/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product01.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 16:37:21,862 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 16:37:21,865 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 16:37:21,901 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 16:37:21,902 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 16:37:21,903 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 16:37:21,905 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 16:37:21,908 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 16:37:21,910 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 16:37:21,911 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 16:37:21,913 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 16:37:21,914 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 16:37:21,915 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 16:37:21,916 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 16:37:21,918 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 16:37:21,919 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 16:37:21,921 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 16:37:21,922 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 16:37:21,924 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 16:37:21,927 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 16:37:21,930 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 16:37:21,933 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 16:37:21,938 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 16:37:21,939 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 16:37:21,955 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 16:37:21,956 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 16:37:21,956 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 16:37:21,957 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 16:37:21,958 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 16:37:21,959 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 16:37:21,960 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 16:37:21,961 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 16:37:21,961 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 16:37:21,962 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 16:37:21,964 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 16:37:21,964 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 16:37:21,965 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 16:37:21,965 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 16:37:21,966 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 16:37:21,967 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 16:37:21,968 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 16:37:21,969 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-28 16:37:22,023 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 16:37:22,024 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 16:37:22,026 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 16:37:22,026 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 16:37:22,026 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 16:37:22,027 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 16:37:22,027 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 16:37:22,028 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 16:37:22,028 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 16:37:22,029 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 16:37:22,030 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 16:37:22,030 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 16:37:22,030 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 16:37:22,031 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 16:37:22,031 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 16:37:22,031 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 16:37:22,031 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 16:37:22,032 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 16:37:22,032 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 16:37:22,032 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 16:37:22,032 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 16:37:22,033 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 16:37:22,033 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 16:37:22,033 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 16:37:22,034 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 16:37:22,034 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 16:37:22,034 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 16:37:22,034 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 16:37:22,035 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 16:37:22,035 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 16:37:22,483 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 16:37:22,516 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 16:37:22,520 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 16:37:22,521 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 16:37:22,522 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 16:37:22,523 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product01.cil.c [2020-10-28 16:37:22,613 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c64083964/a20b8ab904f747e381ecfde10e8247e3/FLAGc70a90026 [2020-10-28 16:37:23,415 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 16:37:23,416 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product01.cil.c [2020-10-28 16:37:23,442 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c64083964/a20b8ab904f747e381ecfde10e8247e3/FLAGc70a90026 [2020-10-28 16:37:23,693 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c64083964/a20b8ab904f747e381ecfde10e8247e3 [2020-10-28 16:37:23,699 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 16:37:23,712 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 16:37:23,715 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 16:37:23,715 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 16:37:23,719 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 16:37:23,720 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 04:37:23" (1/1) ... [2020-10-28 16:37:23,724 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@187e57ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:37:23, skipping insertion in model container [2020-10-28 16:37:23,725 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 04:37:23" (1/1) ... [2020-10-28 16:37:23,733 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 16:37:23,813 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 16:37:24,256 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 16:37:24,267 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 16:37:24,353 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 16:37:24,399 INFO L208 MainTranslator]: Completed translation [2020-10-28 16:37:24,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:37:24 WrapperNode [2020-10-28 16:37:24,402 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 16:37:24,403 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 16:37:24,403 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 16:37:24,403 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 16:37:24,416 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:37:24" (1/1) ... [2020-10-28 16:37:24,418 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:37:24" (1/1) ... [2020-10-28 16:37:24,440 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:37:24" (1/1) ... [2020-10-28 16:37:24,440 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:37:24" (1/1) ... [2020-10-28 16:37:24,470 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:37:24" (1/1) ... [2020-10-28 16:37:24,479 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:37:24" (1/1) ... [2020-10-28 16:37:24,485 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:37:24" (1/1) ... [2020-10-28 16:37:24,493 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 16:37:24,494 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 16:37:24,495 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 16:37:24,495 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 16:37:24,496 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:37:24" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 16:37:24,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 16:37:24,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 16:37:24,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-28 16:37:24,580 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 16:37:24,581 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-28 16:37:24,581 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-28 16:37:24,582 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-28 16:37:24,582 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-28 16:37:24,582 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 16:37:24,582 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-28 16:37:24,583 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-28 16:37:24,583 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-28 16:37:24,583 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-28 16:37:24,584 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-28 16:37:24,584 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-28 16:37:24,585 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-28 16:37:24,585 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-28 16:37:24,585 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-28 16:37:24,585 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-28 16:37:24,585 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-28 16:37:24,585 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-28 16:37:24,586 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-28 16:37:24,586 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-28 16:37:24,586 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-28 16:37:24,586 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-28 16:37:24,586 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-28 16:37:24,586 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-28 16:37:24,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-10-28 16:37:24,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-28 16:37:24,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-28 16:37:24,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-28 16:37:24,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-28 16:37:24,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-28 16:37:24,587 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-28 16:37:24,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-28 16:37:24,588 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 16:37:24,588 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 16:37:24,588 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 16:37:24,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 16:37:24,588 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 16:37:24,588 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-28 16:37:24,589 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-28 16:37:24,589 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-28 16:37:24,589 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-28 16:37:24,589 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-28 16:37:24,589 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-28 16:37:24,589 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-28 16:37:24,590 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-28 16:37:24,590 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-28 16:37:24,590 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-28 16:37:24,590 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-28 16:37:24,590 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-28 16:37:24,591 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-28 16:37:24,591 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 16:37:24,591 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-28 16:37:24,592 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-28 16:37:24,592 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-28 16:37:24,592 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-28 16:37:24,592 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-28 16:37:24,593 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-28 16:37:24,593 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-28 16:37:24,593 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-28 16:37:24,593 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-10-28 16:37:24,593 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-28 16:37:24,593 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-28 16:37:24,594 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-28 16:37:24,594 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 16:37:24,594 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 16:37:24,594 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-28 16:37:24,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 16:37:24,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 16:37:24,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 16:37:24,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 16:37:24,597 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-28 16:37:24,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 16:37:24,597 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-28 16:37:24,598 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-28 16:37:24,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 16:37:24,598 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-28 16:37:24,598 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-28 16:37:24,598 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-28 16:37:24,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 16:37:24,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 16:37:24,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 16:37:25,868 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 16:37:25,869 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-28 16:37:25,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 04:37:25 BoogieIcfgContainer [2020-10-28 16:37:25,873 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 16:37:25,878 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 16:37:25,878 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 16:37:25,881 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 16:37:25,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 04:37:23" (1/3) ... [2020-10-28 16:37:25,883 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3851e6e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 04:37:25, skipping insertion in model container [2020-10-28 16:37:25,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:37:24" (2/3) ... [2020-10-28 16:37:25,884 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3851e6e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 04:37:25, skipping insertion in model container [2020-10-28 16:37:25,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 04:37:25" (3/3) ... [2020-10-28 16:37:25,886 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product01.cil.c [2020-10-28 16:37:25,900 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 16:37:25,905 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-28 16:37:25,921 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-28 16:37:25,950 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 16:37:25,950 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 16:37:25,950 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 16:37:25,951 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 16:37:25,951 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 16:37:25,951 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 16:37:25,951 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 16:37:25,951 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 16:37:25,973 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states. [2020-10-28 16:37:25,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-28 16:37:25,982 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:37:25,983 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:37:25,983 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:37:25,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:37:25,990 INFO L82 PathProgramCache]: Analyzing trace with hash -158101819, now seen corresponding path program 1 times [2020-10-28 16:37:26,000 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:37:26,000 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1782887998] [2020-10-28 16:37:26,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:37:26,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:37:26,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:26,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:26,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:28,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:28,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:31,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:37:31,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-28 16:37:31,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:37:31,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-28 16:37:31,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:37:31,341 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:37:31,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:37:31,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-28 16:37:31,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:37:31,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9 [2020-10-28 16:37:31,779 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:37:31,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:37:31,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:37:31,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:31,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:37:31,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:37:31,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:37:31,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-28 16:37:31,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:37:31,861 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:37:31,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:37:31,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:37:31,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:37:31,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:37:31,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:37:31,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:37:31,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:31,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:37:31,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:37:31,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:37:31,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:37:31,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:37:31,886 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:37:31,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:37:31,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:37:31,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:37:31,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:37:31,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:37:31,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:37:31,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:31,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:37:31,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:37:31,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:37:31,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:37:31,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:37:31,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:37:31,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:37:31,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:37:31,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:37:31,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:37:31,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:37:31,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:37:31,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:31,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:37:31,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:37:31,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:37:31,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:37:31,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:37:31,902 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:37:31,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:37:31,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:37:31,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:37:31,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:37:31,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:37:31,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:37:31,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:31,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:37:31,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:37:31,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:37:31,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:37:31,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:37:31,909 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:37:31,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:37:31,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:37:31,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:37:31,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:37:31,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 16:37:31,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:37:31,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:31,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:37:31,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:37:31,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:37:31,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:37:31,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:37:31,915 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:37:31,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:37:31,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:37:31,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:37:31,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:37:31,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 16:37:31,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:37:31,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:31,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:37:31,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:37:31,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:37:31,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:37:31,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:37:31,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:37:31,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:37:31,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:37:31,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:37:31,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:37:31,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:37:31,939 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1782887998] [2020-10-28 16:37:31,941 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:37:31,941 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-28 16:37:31,942 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627822254] [2020-10-28 16:37:31,947 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-28 16:37:31,947 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:37:31,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-28 16:37:31,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-28 16:37:31,964 INFO L87 Difference]: Start difference. First operand 131 states. Second operand 3 states. [2020-10-28 16:37:32,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:37:32,961 INFO L93 Difference]: Finished difference Result 204 states and 276 transitions. [2020-10-28 16:37:32,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-28 16:37:32,963 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-10-28 16:37:32,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:37:32,975 INFO L225 Difference]: With dead ends: 204 [2020-10-28 16:37:32,975 INFO L226 Difference]: Without dead ends: 110 [2020-10-28 16:37:32,980 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-28 16:37:32,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-10-28 16:37:33,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 82. [2020-10-28 16:37:33,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2020-10-28 16:37:33,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 95 transitions. [2020-10-28 16:37:33,059 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 95 transitions. Word has length 47 [2020-10-28 16:37:33,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:37:33,059 INFO L481 AbstractCegarLoop]: Abstraction has 82 states and 95 transitions. [2020-10-28 16:37:33,059 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-28 16:37:33,060 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 95 transitions. [2020-10-28 16:37:33,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-10-28 16:37:33,063 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:37:33,063 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:37:33,063 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 16:37:33,064 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:37:33,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:37:33,065 INFO L82 PathProgramCache]: Analyzing trace with hash -1818870399, now seen corresponding path program 1 times [2020-10-28 16:37:33,065 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:37:33,065 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1562753651] [2020-10-28 16:37:33,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:37:33,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:37:33,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:33,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:33,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:34,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:34,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:36,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:37:36,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-28 16:37:36,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:37:36,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3272 [2020-10-28 16:37:36,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:37:36,373 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:37:36,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:37:36,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:37:36,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-28 16:37:36,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:37:36,689 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:37:36,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:37:36,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:37:36,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:36,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:37:36,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:37:36,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:37:36,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-28 16:37:36,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:37:36,793 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:37:36,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:37:36,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:37:36,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 16:37:36,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:37:36,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:37:36,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:37:36,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:36,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:37:36,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:37:36,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:37:36,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:37:36,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:37:36,825 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:37:36,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:37:36,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:37:36,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:37:36,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:37:36,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:37:36,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:37:36,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:36,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:37:36,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:37:36,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:37:36,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:37:36,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:37:36,831 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:37:36,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:37:36,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:37:36,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:37:36,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:37:36,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:37:36,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:37:36,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:36,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:37:36,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:37:36,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:37:36,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:37:36,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:37:36,838 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:37:36,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:37:36,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:37:36,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:37:36,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:37:36,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:37:36,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:37:36,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:36,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:37:36,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:37:36,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:37:36,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:37:36,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:37:36,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:37:36,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:37:36,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:37:36,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:37:36,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:37:36,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 16:37:36,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:37:36,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:36,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:37:36,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:37:36,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:37:36,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:37:36,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:37:36,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:37:36,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:37:36,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:37:36,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:37:36,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:37:36,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 16:37:36,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:37:36,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:36,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:37:36,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:37:36,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:37:36,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:37:36,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:37:36,857 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:37:36,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:37:36,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:37:36,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:37:36,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:37:36,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:37:36,869 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1562753651] [2020-10-28 16:37:36,869 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:37:36,869 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 16:37:36,869 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268633635] [2020-10-28 16:37:36,871 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 16:37:36,871 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:37:36,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 16:37:36,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 16:37:36,872 INFO L87 Difference]: Start difference. First operand 82 states and 95 transitions. Second operand 5 states. [2020-10-28 16:37:37,303 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 16:37:38,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:37:38,044 INFO L93 Difference]: Finished difference Result 168 states and 216 transitions. [2020-10-28 16:37:38,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 16:37:38,045 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 48 [2020-10-28 16:37:38,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:37:38,047 INFO L225 Difference]: With dead ends: 168 [2020-10-28 16:37:38,047 INFO L226 Difference]: Without dead ends: 110 [2020-10-28 16:37:38,049 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 16:37:38,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-10-28 16:37:38,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 82. [2020-10-28 16:37:38,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2020-10-28 16:37:38,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 94 transitions. [2020-10-28 16:37:38,094 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 94 transitions. Word has length 48 [2020-10-28 16:37:38,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:37:38,095 INFO L481 AbstractCegarLoop]: Abstraction has 82 states and 94 transitions. [2020-10-28 16:37:38,095 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 16:37:38,095 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 94 transitions. [2020-10-28 16:37:38,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-28 16:37:38,097 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:37:38,097 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] [2020-10-28 16:37:38,097 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 16:37:38,098 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:37:38,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:37:38,098 INFO L82 PathProgramCache]: Analyzing trace with hash 704113521, now seen corresponding path program 1 times [2020-10-28 16:37:38,098 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:37:38,099 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1872996663] [2020-10-28 16:37:38,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:37:38,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:37:38,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:38,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:39,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:39,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:41,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:37:41,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-28 16:37:41,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 16:37:41,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3736 [2020-10-28 16:37:41,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:37:41,863 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:37:41,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:37:41,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-28 16:37:41,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 16:37:41,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:37:42,220 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:37:42,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:37:42,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:37:42,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:42,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:37:42,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:37:42,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:37:42,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 36 [2020-10-28 16:37:42,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:37:42,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:37:42,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:37:42,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:37:42,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:37:42,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:37:42,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:37:42,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:37:42,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:42,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:37:42,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:37:42,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:37:42,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:37:42,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:37:42,290 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:37:42,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:37:42,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:37:42,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:37:42,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:37:42,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:37:42,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:37:42,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:42,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:37:42,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:37:42,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:37:42,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:37:42,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:37:42,296 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:37:42,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:37:42,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:37:42,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:37:42,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:37:42,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:37:42,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:37:42,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:42,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:37:42,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:37:42,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:37:42,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:37:42,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:37:42,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:37:42,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:37:42,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:37:42,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:37:42,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:37:42,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:37:42,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:37:42,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:42,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:37:42,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:37:42,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:37:42,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:37:42,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:37:42,311 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:37:42,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:37:42,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:37:42,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:37:42,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:37:42,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 16:37:42,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:37:42,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:42,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:37:42,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:37:42,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:37:42,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:37:42,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:37:42,320 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:37:42,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:37:42,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-28 16:37:42,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:37:42,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:37:42,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 16:37:42,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:37:42,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:42,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:37:42,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:37:42,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:37:42,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:37:42,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:37:42,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:37:42,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:37:42,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:37:42,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:37:42,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:37:42,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-28 16:37:42,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:37:42,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:42,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:37:42,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:37:42,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:37:42,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:37:42,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:37:42,333 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:37:42,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:37:42,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:37:42,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:37:42,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:37:42,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:37:42,350 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1872996663] [2020-10-28 16:37:42,351 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:37:42,352 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 16:37:42,352 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620747311] [2020-10-28 16:37:42,353 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 16:37:42,353 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:37:42,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 16:37:42,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 16:37:42,354 INFO L87 Difference]: Start difference. First operand 82 states and 94 transitions. Second operand 4 states. [2020-10-28 16:37:42,925 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:37:43,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:37:43,457 INFO L93 Difference]: Finished difference Result 134 states and 160 transitions. [2020-10-28 16:37:43,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 16:37:43,460 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-10-28 16:37:43,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:37:43,462 INFO L225 Difference]: With dead ends: 134 [2020-10-28 16:37:43,462 INFO L226 Difference]: Without dead ends: 94 [2020-10-28 16:37:43,463 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-28 16:37:43,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2020-10-28 16:37:43,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 73. [2020-10-28 16:37:43,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-10-28 16:37:43,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 82 transitions. [2020-10-28 16:37:43,509 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 82 transitions. Word has length 51 [2020-10-28 16:37:43,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:37:43,510 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 82 transitions. [2020-10-28 16:37:43,510 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 16:37:43,510 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 82 transitions. [2020-10-28 16:37:43,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-10-28 16:37:43,512 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:37:43,512 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] [2020-10-28 16:37:43,512 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 16:37:43,513 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:37:43,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:37:43,513 INFO L82 PathProgramCache]: Analyzing trace with hash -465162954, now seen corresponding path program 1 times [2020-10-28 16:37:43,514 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:37:43,514 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1494115148] [2020-10-28 16:37:43,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:37:43,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:37:43,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:43,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:44,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:45,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:37:45,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-28 16:37:45,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 16:37:45,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1969 [2020-10-28 16:37:45,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:37:45,520 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:37:45,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 16:37:45,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:37:45,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-28 16:37:45,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 16:37:45,872 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:37:45,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:37:45,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:37:45,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:45,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:37:45,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:37:45,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:37:45,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-28 16:37:45,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:37:45,993 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:37:45,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:37:45,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:37:45,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 16:37:45,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:37:46,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:37:46,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:37:46,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:46,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:37:46,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:37:46,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:37:46,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:37:46,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:37:46,033 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:37:46,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:37:46,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:37:46,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:37:46,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:37:46,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:37:46,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:37:46,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:46,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:37:46,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:37:46,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:37:46,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:37:46,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:37:46,040 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:37:46,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:37:46,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:37:46,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:37:46,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:37:46,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:37:46,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:37:46,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:46,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:37:46,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:37:46,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:37:46,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:37:46,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:37:46,046 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:37:46,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:37:46,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:37:46,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:37:46,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:37:46,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:37:46,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:37:46,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:46,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:37:46,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:37:46,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:37:46,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:37:46,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:37:46,053 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:37:46,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:37:46,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:37:46,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:37:46,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:37:46,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 16:37:46,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:37:46,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:46,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:37:46,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:37:46,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:37:46,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:37:46,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:37:46,058 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:37:46,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:37:46,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:37:46,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:37:46,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:37:46,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-28 16:37:46,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:37:46,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:46,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:37:46,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:37:46,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:37:46,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:37:46,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:37:46,063 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:37:46,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:37:46,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:37:46,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:37:46,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:37:46,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 16:37:46,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:37:46,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:37:46,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:37:46,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:37:46,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:37:46,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 16:37:46,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:37:46,073 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:37:46,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 16:37:46,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:37:46,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:37:46,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:37:46,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:37:46,109 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1494115148] [2020-10-28 16:37:46,109 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:37:46,109 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-28 16:37:46,110 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124919860] [2020-10-28 16:37:46,110 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 16:37:46,111 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:37:46,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 16:37:46,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-28 16:37:46,112 INFO L87 Difference]: Start difference. First operand 73 states and 82 transitions. Second operand 7 states. [2020-10-28 16:37:46,644 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 16:37:47,503 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 16:37:47,853 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 16:37:48,120 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-28 16:37:48,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:37:48,211 INFO L93 Difference]: Finished difference Result 130 states and 158 transitions. [2020-10-28 16:37:48,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-28 16:37:48,212 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 55 [2020-10-28 16:37:48,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:37:48,212 INFO L225 Difference]: With dead ends: 130 [2020-10-28 16:37:48,213 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 16:37:48,218 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-28 16:37:48,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 16:37:48,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 16:37:48,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 16:37:48,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 16:37:48,219 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 55 [2020-10-28 16:37:48,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:37:48,220 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 16:37:48,220 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 16:37:48,220 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 16:37:48,220 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 16:37:48,220 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 16:37:48,222 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 16:37:49,572 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 16 [2020-10-28 16:37:49,754 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 16 [2020-10-28 16:37:49,989 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 16 [2020-10-28 16:37:50,172 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 12 [2020-10-28 16:37:50,395 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 16 [2020-10-28 16:37:50,597 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 16 [2020-10-28 16:37:50,777 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 12 [2020-10-28 16:37:50,984 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 16 [2020-10-28 16:37:51,246 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:37:51,471 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 12 [2020-10-28 16:37:51,693 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 12 [2020-10-28 16:37:51,927 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 16 [2020-10-28 16:37:52,122 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 16 [2020-10-28 16:37:52,336 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 12 [2020-10-28 16:37:52,401 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-28 16:37:52,401 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-28 16:37:52,401 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-28 16:37:52,402 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-28 16:37:52,402 INFO L274 CegarLoopResult]: For program point L576(lines 553 577) no Hoare annotation was computed. [2020-10-28 16:37:52,402 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 529 584) no Hoare annotation was computed. [2020-10-28 16:37:52,402 INFO L274 CegarLoopResult]: For program point L560(lines 560 564) no Hoare annotation was computed. [2020-10-28 16:37:52,402 INFO L274 CegarLoopResult]: For program point L560-1(lines 560 564) no Hoare annotation was computed. [2020-10-28 16:37:52,402 INFO L274 CegarLoopResult]: For program point L555(line 555) no Hoare annotation was computed. [2020-10-28 16:37:52,402 INFO L274 CegarLoopResult]: For program point L554-2(lines 554 575) no Hoare annotation was computed. [2020-10-28 16:37:52,402 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 529 584) no Hoare annotation was computed. [2020-10-28 16:37:52,402 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 529 584) no Hoare annotation was computed. [2020-10-28 16:37:52,402 INFO L274 CegarLoopResult]: For program point L611-2(lines 611 636) no Hoare annotation was computed. [2020-10-28 16:37:52,402 INFO L274 CegarLoopResult]: For program point L637(lines 610 638) no Hoare annotation was computed. [2020-10-28 16:37:52,403 INFO L274 CegarLoopResult]: For program point L630(line 630) no Hoare annotation was computed. [2020-10-28 16:37:52,403 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 585 644) no Hoare annotation was computed. [2020-10-28 16:37:52,403 INFO L274 CegarLoopResult]: For program point L630-1(line 630) no Hoare annotation was computed. [2020-10-28 16:37:52,403 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 585 644) no Hoare annotation was computed. [2020-10-28 16:37:52,403 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 585 644) no Hoare annotation was computed. [2020-10-28 16:37:52,403 INFO L274 CegarLoopResult]: For program point L617(lines 617 621) no Hoare annotation was computed. [2020-10-28 16:37:52,403 INFO L274 CegarLoopResult]: For program point L617-1(lines 617 621) no Hoare annotation was computed. [2020-10-28 16:37:52,403 INFO L274 CegarLoopResult]: For program point L612(line 612) no Hoare annotation was computed. [2020-10-28 16:37:52,403 INFO L277 CegarLoopResult]: At program point select_helpersFINAL(lines 248 254) the Hoare annotation is: true [2020-10-28 16:37:52,404 INFO L274 CegarLoopResult]: For program point select_helpersEXIT(lines 248 254) no Hoare annotation was computed. [2020-10-28 16:37:52,404 INFO L274 CegarLoopResult]: For program point valid_productEXIT(lines 255 263) no Hoare annotation was computed. [2020-10-28 16:37:52,404 INFO L277 CegarLoopResult]: At program point valid_productENTRY(lines 255 263) the Hoare annotation is: true [2020-10-28 16:37:52,404 INFO L274 CegarLoopResult]: For program point valid_productFINAL(lines 255 263) no Hoare annotation was computed. [2020-10-28 16:37:52,404 INFO L270 CegarLoopResult]: At program point L129(line 129) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-10-28 16:37:52,404 INFO L270 CegarLoopResult]: At program point L128(line 128) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-10-28 16:37:52,405 INFO L270 CegarLoopResult]: At program point L128-1(line 128) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-10-28 16:37:52,405 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 122 144) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-10-28 16:37:52,405 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 122 144) no Hoare annotation was computed. [2020-10-28 16:37:52,405 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 122 144) no Hoare annotation was computed. [2020-10-28 16:37:52,405 INFO L270 CegarLoopResult]: At program point L134(line 134) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-10-28 16:37:52,405 INFO L270 CegarLoopResult]: At program point L134-1(line 134) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-10-28 16:37:52,405 INFO L274 CegarLoopResult]: For program point L132(lines 132 139) no Hoare annotation was computed. [2020-10-28 16:37:52,406 INFO L274 CegarLoopResult]: For program point L132-1(lines 132 139) no Hoare annotation was computed. [2020-10-28 16:37:52,406 INFO L274 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-10-28 16:37:52,406 INFO L274 CegarLoopResult]: For program point Specification2EXIT(lines 77 100) no Hoare annotation was computed. [2020-10-28 16:37:52,406 INFO L274 CegarLoopResult]: For program point L95(line 95) no Hoare annotation was computed. [2020-10-28 16:37:52,406 INFO L274 CegarLoopResult]: For program point L94(line 94) no Hoare annotation was computed. [2020-10-28 16:37:52,406 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-28 16:37:52,406 INFO L274 CegarLoopResult]: For program point Specification2ENTRY(lines 77 100) no Hoare annotation was computed. [2020-10-28 16:37:52,406 INFO L274 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-10-28 16:37:52,407 INFO L274 CegarLoopResult]: For program point Specification2FINAL(lines 77 100) no Hoare annotation was computed. [2020-10-28 16:37:52,407 INFO L274 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-10-28 16:37:52,407 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-28 16:37:52,407 INFO L274 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-10-28 16:37:52,407 INFO L274 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-10-28 16:37:52,407 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-28 16:37:52,407 INFO L274 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-10-28 16:37:52,407 INFO L274 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-10-28 16:37:52,407 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-28 16:37:52,408 INFO L274 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-10-28 16:37:52,408 INFO L274 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-10-28 16:37:52,408 INFO L274 CegarLoopResult]: For program point isPumpRunningEXIT(lines 330 338) no Hoare annotation was computed. [2020-10-28 16:37:52,408 INFO L277 CegarLoopResult]: At program point isPumpRunningENTRY(lines 330 338) the Hoare annotation is: true [2020-10-28 16:37:52,408 INFO L274 CegarLoopResult]: For program point isPumpRunningFINAL(lines 330 338) no Hoare annotation was computed. [2020-10-28 16:37:52,408 INFO L274 CegarLoopResult]: For program point L346(lines 346 354) no Hoare annotation was computed. [2020-10-28 16:37:52,408 INFO L274 CegarLoopResult]: For program point L346-2(lines 346 354) no Hoare annotation was computed. [2020-10-28 16:37:52,408 INFO L274 CegarLoopResult]: For program point L369(line 369) no Hoare annotation was computed. [2020-10-28 16:37:52,408 INFO L274 CegarLoopResult]: For program point L369-1(line 369) no Hoare annotation was computed. [2020-10-28 16:37:52,409 INFO L274 CegarLoopResult]: For program point printPumpFINAL(lines 339 374) no Hoare annotation was computed. [2020-10-28 16:37:52,409 INFO L274 CegarLoopResult]: For program point printPumpENTRY(lines 339 374) no Hoare annotation was computed. [2020-10-28 16:37:52,409 INFO L274 CegarLoopResult]: For program point L358(lines 358 366) no Hoare annotation was computed. [2020-10-28 16:37:52,409 INFO L274 CegarLoopResult]: For program point L358-2(lines 358 366) no Hoare annotation was computed. [2020-10-28 16:37:52,409 INFO L274 CegarLoopResult]: For program point printPumpEXIT(lines 339 374) no Hoare annotation was computed. [2020-10-28 16:37:52,409 INFO L274 CegarLoopResult]: For program point select_featuresEXIT(lines 241 247) no Hoare annotation was computed. [2020-10-28 16:37:52,409 INFO L277 CegarLoopResult]: At program point select_featuresFINAL(lines 241 247) the Hoare annotation is: true [2020-10-28 16:37:52,409 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 483 528) no Hoare annotation was computed. [2020-10-28 16:37:52,409 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 483 528) no Hoare annotation was computed. [2020-10-28 16:37:52,410 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 483 528) no Hoare annotation was computed. [2020-10-28 16:37:52,410 INFO L274 CegarLoopResult]: For program point L827(lines 827 828) no Hoare annotation was computed. [2020-10-28 16:37:52,410 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 796 841) no Hoare annotation was computed. [2020-10-28 16:37:52,410 INFO L274 CegarLoopResult]: For program point L820(lines 820 821) no Hoare annotation was computed. [2020-10-28 16:37:52,410 INFO L274 CegarLoopResult]: For program point L816(lines 816 823) no Hoare annotation was computed. [2020-10-28 16:37:52,410 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 820 821) no Hoare annotation was computed. [2020-10-28 16:37:52,410 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 827 828) no Hoare annotation was computed. [2020-10-28 16:37:52,410 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 796 841) no Hoare annotation was computed. [2020-10-28 16:37:52,411 INFO L274 CegarLoopResult]: For program point L810(lines 810 830) no Hoare annotation was computed. [2020-10-28 16:37:52,411 INFO L274 CegarLoopResult]: For program point L810-1(lines 810 830) no Hoare annotation was computed. [2020-10-28 16:37:52,411 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 796 841) no Hoare annotation was computed. [2020-10-28 16:37:52,411 INFO L270 CegarLoopResult]: At program point runTestENTRY(lines 109 118) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-10-28 16:37:52,411 INFO L274 CegarLoopResult]: For program point runTestEXIT(lines 109 118) no Hoare annotation was computed. [2020-10-28 16:37:52,411 INFO L274 CegarLoopResult]: For program point runTestFINAL(lines 109 118) no Hoare annotation was computed. [2020-10-28 16:37:52,411 INFO L274 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 319 329) no Hoare annotation was computed. [2020-10-28 16:37:52,411 INFO L274 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 319 329) no Hoare annotation was computed. [2020-10-28 16:37:52,412 INFO L274 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 319 329) no Hoare annotation was computed. [2020-10-28 16:37:52,412 INFO L274 CegarLoopResult]: For program point L324(line 324) no Hoare annotation was computed. [2020-10-28 16:37:52,412 INFO L274 CegarLoopResult]: For program point L324-1(line 324) no Hoare annotation was computed. [2020-10-28 16:37:52,412 INFO L274 CegarLoopResult]: For program point deactivatePumpENTRY(lines 311 318) no Hoare annotation was computed. [2020-10-28 16:37:52,412 INFO L274 CegarLoopResult]: For program point deactivatePumpEXIT(lines 311 318) no Hoare annotation was computed. [2020-10-28 16:37:52,412 INFO L274 CegarLoopResult]: For program point deactivatePumpFINAL(lines 311 318) no Hoare annotation was computed. [2020-10-28 16:37:52,412 INFO L274 CegarLoopResult]: For program point processEnvironmentEXIT(lines 296 302) no Hoare annotation was computed. [2020-10-28 16:37:52,412 INFO L277 CegarLoopResult]: At program point processEnvironmentFINAL(lines 296 302) the Hoare annotation is: true [2020-10-28 16:37:52,412 INFO L270 CegarLoopResult]: At program point testENTRY(lines 376 439) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-10-28 16:37:52,413 INFO L274 CegarLoopResult]: For program point testFINAL(lines 376 439) no Hoare annotation was computed. [2020-10-28 16:37:52,413 INFO L270 CegarLoopResult]: At program point L432(lines 385 433) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~pumpRunning~0 0))) [2020-10-28 16:37:52,413 INFO L274 CegarLoopResult]: For program point L422(lines 422 426) no Hoare annotation was computed. [2020-10-28 16:37:52,413 INFO L270 CegarLoopResult]: At program point L422-2(lines 416 427) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (<= test_~splverifierCounter~0 0) (not (= 1 ~systemActive~0))) [2020-10-28 16:37:52,413 INFO L274 CegarLoopResult]: For program point L387(lines 386 431) no Hoare annotation was computed. [2020-10-28 16:37:52,413 INFO L274 CegarLoopResult]: For program point L416(lines 416 427) no Hoare annotation was computed. [2020-10-28 16:37:52,413 INFO L270 CegarLoopResult]: At program point L408(line 408) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (<= test_~splverifierCounter~0 0) (not (= 1 ~systemActive~0))) [2020-10-28 16:37:52,414 INFO L274 CegarLoopResult]: For program point L406(lines 406 412) no Hoare annotation was computed. [2020-10-28 16:37:52,414 INFO L274 CegarLoopResult]: For program point L406-1(lines 406 412) no Hoare annotation was computed. [2020-10-28 16:37:52,414 INFO L270 CegarLoopResult]: At program point L398(line 398) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (<= test_~splverifierCounter~0 0) (not (= 1 ~systemActive~0))) [2020-10-28 16:37:52,414 INFO L270 CegarLoopResult]: At program point L429(lines 386 431) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (<= test_~splverifierCounter~0 0) (not (= 1 ~systemActive~0))) [2020-10-28 16:37:52,414 INFO L274 CegarLoopResult]: For program point L396(lines 396 402) no Hoare annotation was computed. [2020-10-28 16:37:52,414 INFO L274 CegarLoopResult]: For program point L396-1(lines 396 402) no Hoare annotation was computed. [2020-10-28 16:37:52,414 INFO L274 CegarLoopResult]: For program point L388(lines 388 392) no Hoare annotation was computed. [2020-10-28 16:37:52,415 INFO L274 CegarLoopResult]: For program point testEXIT(lines 376 439) no Hoare annotation was computed. [2020-10-28 16:37:52,415 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 774 775) no Hoare annotation was computed. [2020-10-28 16:37:52,415 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 781 782) no Hoare annotation was computed. [2020-10-28 16:37:52,415 INFO L274 CegarLoopResult]: For program point L764(lines 764 784) no Hoare annotation was computed. [2020-10-28 16:37:52,415 INFO L274 CegarLoopResult]: For program point L764-1(lines 764 784) no Hoare annotation was computed. [2020-10-28 16:37:52,415 INFO L274 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 750 795) no Hoare annotation was computed. [2020-10-28 16:37:52,415 INFO L274 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 750 795) no Hoare annotation was computed. [2020-10-28 16:37:52,415 INFO L274 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 750 795) no Hoare annotation was computed. [2020-10-28 16:37:52,415 INFO L274 CegarLoopResult]: For program point L781(lines 781 782) no Hoare annotation was computed. [2020-10-28 16:37:52,415 INFO L274 CegarLoopResult]: For program point L774(lines 774 775) no Hoare annotation was computed. [2020-10-28 16:37:52,416 INFO L274 CegarLoopResult]: For program point L770(lines 770 777) no Hoare annotation was computed. [2020-10-28 16:37:52,416 INFO L274 CegarLoopResult]: For program point L205(lines 205 213) no Hoare annotation was computed. [2020-10-28 16:37:52,416 INFO L274 CegarLoopResult]: For program point L205-2(lines 205 213) no Hoare annotation was computed. [2020-10-28 16:37:52,416 INFO L274 CegarLoopResult]: For program point printEnvironmentEXIT(lines 197 219) no Hoare annotation was computed. [2020-10-28 16:37:52,416 INFO L274 CegarLoopResult]: For program point printEnvironmentENTRY(lines 197 219) no Hoare annotation was computed. [2020-10-28 16:37:52,416 INFO L274 CegarLoopResult]: For program point printEnvironmentFINAL(lines 197 219) no Hoare annotation was computed. [2020-10-28 16:37:52,416 INFO L274 CegarLoopResult]: For program point select_oneENTRY(lines 231 240) no Hoare annotation was computed. [2020-10-28 16:37:52,416 INFO L274 CegarLoopResult]: For program point select_oneFINAL(lines 231 240) no Hoare annotation was computed. [2020-10-28 16:37:52,417 INFO L274 CegarLoopResult]: For program point select_oneEXIT(lines 231 240) no Hoare annotation was computed. [2020-10-28 16:37:52,417 INFO L274 CegarLoopResult]: For program point L671(lines 671 675) no Hoare annotation was computed. [2020-10-28 16:37:52,417 INFO L274 CegarLoopResult]: For program point L735(lines 735 746) no Hoare annotation was computed. [2020-10-28 16:37:52,417 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 647 749) no Hoare annotation was computed. [2020-10-28 16:37:52,417 INFO L274 CegarLoopResult]: For program point L698(lines 698 702) no Hoare annotation was computed. [2020-10-28 16:37:52,417 INFO L274 CegarLoopResult]: For program point L696-2(lines 696 716) no Hoare annotation was computed. [2020-10-28 16:37:52,417 INFO L274 CegarLoopResult]: For program point L717(lines 695 718) no Hoare annotation was computed. [2020-10-28 16:37:52,417 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 647 749) no Hoare annotation was computed. [2020-10-28 16:37:52,417 INFO L274 CegarLoopResult]: For program point L676(lines 676 692) no Hoare annotation was computed. [2020-10-28 16:37:52,418 INFO L274 CegarLoopResult]: For program point L736(lines 736 743) no Hoare annotation was computed. [2020-10-28 16:37:52,418 INFO L274 CegarLoopResult]: For program point L697(lines 696 716) no Hoare annotation was computed. [2020-10-28 16:37:52,418 INFO L274 CegarLoopResult]: For program point L728(line 728) no Hoare annotation was computed. [2020-10-28 16:37:52,418 INFO L274 CegarLoopResult]: For program point L728-1(line 728) no Hoare annotation was computed. [2020-10-28 16:37:52,418 INFO L274 CegarLoopResult]: For program point L693(lines 693 734) no Hoare annotation was computed. [2020-10-28 16:37:52,418 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 647 749) no Hoare annotation was computed. [2020-10-28 16:37:52,418 INFO L274 CegarLoopResult]: For program point L712(line 712) no Hoare annotation was computed. [2020-10-28 16:37:52,418 INFO L274 CegarLoopResult]: For program point L712-1(line 712) no Hoare annotation was computed. [2020-10-28 16:37:52,418 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 16:37:52,419 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string73.base| |old(#t~string73.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string74.base| |old(#t~string74.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string73.offset| |old(#t~string73.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~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~string74.offset| |old(#t~string74.offset)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#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~string9.base| |old(#t~string9.base)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-28 16:37:52,419 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 16:37:52,419 INFO L274 CegarLoopResult]: For program point activatePumpFINAL(lines 303 310) no Hoare annotation was computed. [2020-10-28 16:37:52,419 INFO L274 CegarLoopResult]: For program point activatePumpEXIT(lines 303 310) no Hoare annotation was computed. [2020-10-28 16:37:52,420 INFO L274 CegarLoopResult]: For program point activatePumpENTRY(lines 303 310) no Hoare annotation was computed. [2020-10-28 16:37:52,420 INFO L274 CegarLoopResult]: For program point getWaterLevelENTRY(lines 220 228) no Hoare annotation was computed. [2020-10-28 16:37:52,420 INFO L274 CegarLoopResult]: For program point getWaterLevelFINAL(lines 220 228) no Hoare annotation was computed. [2020-10-28 16:37:52,420 INFO L274 CegarLoopResult]: For program point getWaterLevelEXIT(lines 220 228) no Hoare annotation was computed. [2020-10-28 16:37:52,420 INFO L270 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 176 187) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-10-28 16:37:52,420 INFO L274 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 176 187) no Hoare annotation was computed. [2020-10-28 16:37:52,420 INFO L274 CegarLoopResult]: For program point L180-1(lines 176 187) no Hoare annotation was computed. [2020-10-28 16:37:52,420 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-28 16:37:52,420 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-28 16:37:52,421 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-28 16:37:52,421 INFO L270 CegarLoopResult]: At program point L285(line 285) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-10-28 16:37:52,421 INFO L270 CegarLoopResult]: At program point L283(lines 283 289) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-10-28 16:37:52,421 INFO L270 CegarLoopResult]: At program point L278(line 278) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~pumpRunning~0 0))) [2020-10-28 16:37:52,421 INFO L274 CegarLoopResult]: For program point L276(lines 275 294) no Hoare annotation was computed. [2020-10-28 16:37:52,421 INFO L270 CegarLoopResult]: At program point timeShiftENTRY(lines 272 295) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-10-28 16:37:52,421 INFO L274 CegarLoopResult]: For program point timeShiftEXIT(lines 272 295) no Hoare annotation was computed. [2020-10-28 16:37:52,422 INFO L274 CegarLoopResult]: For program point timeShiftFINAL(lines 272 295) no Hoare annotation was computed. [2020-10-28 16:37:52,422 INFO L274 CegarLoopResult]: For program point L65(line 65) no Hoare annotation was computed. [2020-10-28 16:37:52,422 INFO L274 CegarLoopResult]: For program point cleanupEXIT(lines 44 73) no Hoare annotation was computed. [2020-10-28 16:37:52,422 INFO L277 CegarLoopResult]: At program point cleanupENTRY(lines 44 73) the Hoare annotation is: true [2020-10-28 16:37:52,422 INFO L274 CegarLoopResult]: For program point L58(lines 58 62) no Hoare annotation was computed. [2020-10-28 16:37:52,422 INFO L277 CegarLoopResult]: At program point L58-1(lines 58 62) the Hoare annotation is: true [2020-10-28 16:37:52,422 INFO L274 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-10-28 16:37:52,422 INFO L277 CegarLoopResult]: At program point L54-2(lines 54 68) the Hoare annotation is: true [2020-10-28 16:37:52,422 INFO L277 CegarLoopResult]: At program point L50(line 50) the Hoare annotation is: true [2020-10-28 16:37:52,423 INFO L274 CegarLoopResult]: For program point L50-1(line 50) no Hoare annotation was computed. [2020-10-28 16:37:52,423 INFO L277 CegarLoopResult]: At program point L69(lines 44 73) the Hoare annotation is: true [2020-10-28 16:37:52,423 INFO L277 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 188 196) the Hoare annotation is: true [2020-10-28 16:37:52,423 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 188 196) no Hoare annotation was computed. [2020-10-28 16:37:52,423 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 188 196) no Hoare annotation was computed. [2020-10-28 16:37:52,423 INFO L277 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 152 163) the Hoare annotation is: true [2020-10-28 16:37:52,423 INFO L274 CegarLoopResult]: For program point L156-1(lines 152 163) no Hoare annotation was computed. [2020-10-28 16:37:52,423 INFO L274 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 152 163) no Hoare annotation was computed. [2020-10-28 16:37:52,424 INFO L274 CegarLoopResult]: For program point setupEXIT(lines 101 107) no Hoare annotation was computed. [2020-10-28 16:37:52,424 INFO L277 CegarLoopResult]: At program point setupFINAL(lines 101 107) the Hoare annotation is: true [2020-10-28 16:37:52,424 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 16:37:52,424 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~systemActive~0 1) (= ~pumpRunning~0 0)) [2020-10-28 16:37:52,424 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 16:37:52,424 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 16:37:52,424 INFO L274 CegarLoopResult]: For program point waterRiseEXIT(lines 164 175) no Hoare annotation was computed. [2020-10-28 16:37:52,424 INFO L274 CegarLoopResult]: For program point L168-1(lines 164 175) no Hoare annotation was computed. [2020-10-28 16:37:52,425 INFO L270 CegarLoopResult]: At program point waterRiseENTRY(lines 164 175) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-10-28 16:37:52,425 INFO L274 CegarLoopResult]: For program point __automaton_failFINAL(lines 468 475) no Hoare annotation was computed. [2020-10-28 16:37:52,425 INFO L277 CegarLoopResult]: At program point __automaton_failENTRY(lines 468 475) the Hoare annotation is: true [2020-10-28 16:37:52,425 INFO L274 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-10-28 16:37:52,425 INFO L274 CegarLoopResult]: For program point __automaton_failEXIT(lines 468 475) no Hoare annotation was computed. [2020-10-28 16:37:52,425 INFO L274 CegarLoopResult]: For program point L450-1(lines 442 466) no Hoare annotation was computed. [2020-10-28 16:37:52,425 INFO L277 CegarLoopResult]: At program point L448(line 448) the Hoare annotation is: true [2020-10-28 16:37:52,425 INFO L274 CegarLoopResult]: For program point L448-1(line 448) no Hoare annotation was computed. [2020-10-28 16:37:52,426 INFO L277 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 442 466) the Hoare annotation is: true [2020-10-28 16:37:52,426 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 442 466) no Hoare annotation was computed. [2020-10-28 16:37:52,426 INFO L270 CegarLoopResult]: At program point L456(line 456) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~pumpRunning~0 0))) [2020-10-28 16:37:52,426 INFO L274 CegarLoopResult]: For program point L454(lines 454 460) no Hoare annotation was computed. [2020-10-28 16:37:52,426 INFO L277 CegarLoopResult]: At program point L452(line 452) the Hoare annotation is: true [2020-10-28 16:37:52,426 INFO L274 CegarLoopResult]: For program point L452-1(line 452) no Hoare annotation was computed. [2020-10-28 16:37:52,426 INFO L274 CegarLoopResult]: For program point L450(lines 450 463) no Hoare annotation was computed. [2020-10-28 16:37:52,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 04:37:52 BoogieIcfgContainer [2020-10-28 16:37:52,444 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 16:37:52,446 INFO L168 Benchmark]: Toolchain (without parser) took 28744.39 ms. Allocated memory was 151.0 MB in the beginning and 533.7 MB in the end (delta: 382.7 MB). Free memory was 125.1 MB in the beginning and 313.1 MB in the end (delta: -188.0 MB). Peak memory consumption was 318.6 MB. Max. memory is 8.0 GB. [2020-10-28 16:37:52,447 INFO L168 Benchmark]: CDTParser took 0.64 ms. Allocated memory is still 151.0 MB. Free memory is still 124.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 16:37:52,450 INFO L168 Benchmark]: CACSL2BoogieTranslator took 687.32 ms. Allocated memory is still 151.0 MB. Free memory was 124.4 MB in the beginning and 105.1 MB in the end (delta: 19.4 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. [2020-10-28 16:37:52,458 INFO L168 Benchmark]: Boogie Preprocessor took 90.66 ms. Allocated memory is still 151.0 MB. Free memory was 105.1 MB in the beginning and 101.2 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-28 16:37:52,460 INFO L168 Benchmark]: RCFGBuilder took 1378.63 ms. Allocated memory is still 151.0 MB. Free memory was 101.2 MB in the beginning and 57.2 MB in the end (delta: 44.1 MB). Peak memory consumption was 44.4 MB. Max. memory is 8.0 GB. [2020-10-28 16:37:52,461 INFO L168 Benchmark]: TraceAbstraction took 26566.22 ms. Allocated memory was 151.0 MB in the beginning and 533.7 MB in the end (delta: 382.7 MB). Free memory was 56.6 MB in the beginning and 313.1 MB in the end (delta: -256.4 MB). Peak memory consumption was 247.9 MB. Max. memory is 8.0 GB. [2020-10-28 16:37:52,472 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.64 ms. Allocated memory is still 151.0 MB. Free memory is still 124.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 687.32 ms. Allocated memory is still 151.0 MB. Free memory was 124.4 MB in the beginning and 105.1 MB in the end (delta: 19.4 MB). Peak memory consumption was 18.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 90.66 ms. Allocated memory is still 151.0 MB. Free memory was 105.1 MB in the beginning and 101.2 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1378.63 ms. Allocated memory is still 151.0 MB. Free memory was 101.2 MB in the beginning and 57.2 MB in the end (delta: 44.1 MB). Peak memory consumption was 44.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 26566.22 ms. Allocated memory was 151.0 MB in the beginning and 533.7 MB in the end (delta: 382.7 MB). Free memory was 56.6 MB in the beginning and 313.1 MB in the end (delta: -256.4 MB). Peak memory consumption was 247.9 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: 781]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 774]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 820]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 827]: 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: 385]: Loop Invariant Derived loop invariant: !(systemActive == 1) || !(pumpRunning == 0) - InvariantResult [Line: 386]: Loop Invariant Derived loop invariant: (!(pumpRunning == 0) || splverifierCounter <= 0) || !(1 == systemActive) - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 35 procedures, 206 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 22.2s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 5.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 283 SDtfs, 407 SDslu, 86 SDs, 0 SdLazy, 498 SolverSat, 230 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 79 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=131occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 77 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 41 LocationsWithAnnotation, 136 PreInvPairs, 152 NumberOfFragments, 491 HoareAnnotationTreeSize, 136 FomulaSimplifications, 8292 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 41 FomulaSimplificationsInter, 4821 FormulaSimplificationTreeSizeReductionInter, 2.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 16.1s InterpolantComputationTime, 201 NumberOfCodeBlocks, 201 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 197 ConstructedInterpolants, 0 QuantifiedInterpolants, 56170 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...