/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain EqDomain -i ../sv-benchmarks/c/product-lines/minepump_spec2_product09.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 12:01:14,815 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 12:01:14,818 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 12:01:14,852 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 12:01:14,852 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 12:01:14,854 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 12:01:14,857 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 12:01:14,859 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 12:01:14,861 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 12:01:14,864 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 12:01:14,865 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 12:01:14,866 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 12:01:14,867 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 12:01:14,869 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 12:01:14,871 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 12:01:14,871 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 12:01:14,872 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 12:01:14,872 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 12:01:14,874 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 12:01:14,878 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 12:01:14,879 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 12:01:14,879 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 12:01:14,880 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 12:01:14,881 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 12:01:14,894 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 12:01:14,894 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 12:01:14,894 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 12:01:14,895 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 12:01:14,895 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 12:01:14,896 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 12:01:14,896 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 12:01:14,896 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 12:01:14,897 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 12:01:14,898 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 12:01:14,898 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 12:01:14,898 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 12:01:14,899 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 12:01:14,899 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 12:01:14,899 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 12:01:14,900 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 12:01:14,900 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 12:01:14,901 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-01 12:01:14,923 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 12:01:14,924 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 12:01:14,924 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 12:01:14,924 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 12:01:14,925 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 12:01:14,925 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 12:01:14,925 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 12:01:14,925 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 12:01:14,925 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 12:01:14,925 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 12:01:14,926 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 12:01:14,926 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 12:01:14,926 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 12:01:14,926 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 12:01:14,926 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 12:01:14,926 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 12:01:14,926 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 12:01:14,926 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 12:01:14,927 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 12:01:14,927 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 12:01:14,927 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 12:01:14,927 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 12:01:14,927 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 12:01:14,927 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 12:01:14,928 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 12:01:14,928 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 12:01:14,928 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 12:01:14,928 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 12:01:14,928 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 12:01:14,928 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 12:01:14,928 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 12:01:14,928 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 12:01:14,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 12:01:14,929 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 12:01:14,929 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 12:01:14,929 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 12:01:14,929 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 12:01:14,929 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 12:01:14,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 12:01:14,929 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 12:01:14,929 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 12:01:14,929 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/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> EqDomain [2023-04-01 12:01:15,139 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 12:01:15,158 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 12:01:15,159 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 12:01:15,160 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 12:01:15,161 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 12:01:15,162 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product09.cil.c [2023-04-01 12:01:16,204 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 12:01:16,364 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 12:01:16,365 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product09.cil.c [2023-04-01 12:01:16,373 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/618a2f8eb/208734dc643e4f838659bb0fae3a0856/FLAG7aaedd8ed [2023-04-01 12:01:16,383 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/618a2f8eb/208734dc643e4f838659bb0fae3a0856 [2023-04-01 12:01:16,385 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 12:01:16,386 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 12:01:16,387 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 12:01:16,387 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 12:01:16,389 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 12:01:16,390 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 12:01:16" (1/1) ... [2023-04-01 12:01:16,391 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@98f3e31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 12:01:16, skipping insertion in model container [2023-04-01 12:01:16,391 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 12:01:16" (1/1) ... [2023-04-01 12:01:16,396 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 12:01:16,435 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 12:01:16,525 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product09.cil.c[1605,1618] [2023-04-01 12:01:16,597 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 12:01:16,608 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 12:01:16,628 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product09.cil.c[1605,1618] [2023-04-01 12:01:16,666 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 12:01:16,678 INFO L208 MainTranslator]: Completed translation [2023-04-01 12:01:16,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 12:01:16 WrapperNode [2023-04-01 12:01:16,679 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 12:01:16,680 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 12:01:16,680 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 12:01:16,680 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 12:01:16,689 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 12:01:16" (1/1) ... [2023-04-01 12:01:16,689 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 12:01:16" (1/1) ... [2023-04-01 12:01:16,713 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 12:01:16" (1/1) ... [2023-04-01 12:01:16,713 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 12:01:16" (1/1) ... [2023-04-01 12:01:16,742 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 12:01:16" (1/1) ... [2023-04-01 12:01:16,750 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 12:01:16" (1/1) ... [2023-04-01 12:01:16,752 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 12:01:16" (1/1) ... [2023-04-01 12:01:16,754 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 12:01:16" (1/1) ... [2023-04-01 12:01:16,757 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 12:01:16,758 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 12:01:16,758 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 12:01:16,758 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 12:01:16,759 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 12:01:16" (1/1) ... [2023-04-01 12:01:16,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 12:01:16,780 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 12:01:16,806 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-01 12:01:16,829 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-01 12:01:16,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 12:01:16,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 12:01:16,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-01 12:01:16,840 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 12:01:16,841 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-01 12:01:16,841 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-01 12:01:16,841 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-01 12:01:16,842 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-01 12:01:16,842 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-01 12:01:16,842 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-01 12:01:16,842 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-01 12:01:16,842 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-01 12:01:16,842 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-04-01 12:01:16,842 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-04-01 12:01:16,842 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2023-04-01 12:01:16,842 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-04-01 12:01:16,842 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-04-01 12:01:16,842 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-04-01 12:01:16,842 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-04-01 12:01:16,842 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-04-01 12:01:16,843 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2023-04-01 12:01:16,843 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2023-04-01 12:01:16,843 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-04-01 12:01:16,843 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-04-01 12:01:16,843 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-01 12:01:16,843 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-04-01 12:01:16,843 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 12:01:16,843 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-04-01 12:01:16,843 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-04-01 12:01:16,843 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-04-01 12:01:16,843 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-04-01 12:01:16,843 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-04-01 12:01:16,843 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-04-01 12:01:16,844 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-01 12:01:16,844 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-01 12:01:16,844 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-01 12:01:16,844 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-01 12:01:16,844 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 12:01:16,844 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 12:01:16,844 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 12:01:16,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 12:01:16,844 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 12:01:16,845 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-01 12:01:16,845 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-01 12:01:16,845 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-01 12:01:16,846 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-01 12:01:16,846 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-01 12:01:16,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-01 12:01:16,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-01 12:01:16,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 12:01:16,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-01 12:01:16,846 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-01 12:01:16,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 12:01:16,846 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-01 12:01:16,847 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-01 12:01:16,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 12:01:16,847 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-01 12:01:16,847 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-01 12:01:16,847 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-01 12:01:16,848 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-04-01 12:01:16,848 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-04-01 12:01:16,848 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-04-01 12:01:16,848 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-04-01 12:01:16,848 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-01 12:01:16,849 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-04-01 12:01:16,849 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-04-01 12:01:16,849 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-04-01 12:01:16,849 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-04-01 12:01:16,849 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-04-01 12:01:16,849 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-04-01 12:01:16,849 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-04-01 12:01:16,849 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2023-04-01 12:01:16,849 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-04-01 12:01:16,849 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2023-04-01 12:01:16,849 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-04-01 12:01:16,850 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2023-04-01 12:01:16,850 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-04-01 12:01:16,850 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-01 12:01:16,850 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-04-01 12:01:16,850 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-01 12:01:16,850 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-01 12:01:16,850 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-01 12:01:16,851 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 12:01:16,851 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-04-01 12:01:16,851 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-01 12:01:16,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 12:01:16,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 12:01:16,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 12:01:16,987 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 12:01:16,989 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 12:01:17,506 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 12:01:17,620 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 12:01:17,620 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-04-01 12:01:17,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 12:01:17 BoogieIcfgContainer [2023-04-01 12:01:17,622 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 12:01:17,624 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 12:01:17,625 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 12:01:17,627 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 12:01:17,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 12:01:16" (1/3) ... [2023-04-01 12:01:17,627 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ca7aad3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 12:01:17, skipping insertion in model container [2023-04-01 12:01:17,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 12:01:16" (2/3) ... [2023-04-01 12:01:17,628 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ca7aad3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 12:01:17, skipping insertion in model container [2023-04-01 12:01:17,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 12:01:17" (3/3) ... [2023-04-01 12:01:17,629 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product09.cil.c [2023-04-01 12:01:17,645 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 12:01:17,645 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 12:01:17,682 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 12:01:17,687 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@25cbf7c8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 12:01:17,687 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 12:01:17,690 INFO L276 IsEmpty]: Start isEmpty. Operand has 116 states, 52 states have (on average 1.2692307692307692) internal successors, (66), 61 states have internal predecessors, (66), 37 states have call successors, (37), 22 states have call predecessors, (37), 22 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2023-04-01 12:01:17,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-04-01 12:01:17,697 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 12:01:17,697 INFO L195 NwaCegarLoop]: 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] [2023-04-01 12:01:17,697 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 12:01:17,701 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 12:01:17,701 INFO L85 PathProgramCache]: Analyzing trace with hash -198467966, now seen corresponding path program 1 times [2023-04-01 12:01:17,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 12:01:17,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012627907] [2023-04-01 12:01:17,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 12:01:17,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 12:01:17,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 12:01:17,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 12:01:17,913 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 12:01:17,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012627907] [2023-04-01 12:01:17,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012627907] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 12:01:17,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 12:01:17,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-01 12:01:17,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692701946] [2023-04-01 12:01:17,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 12:01:17,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-01 12:01:17,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 12:01:17,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-01 12:01:17,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-01 12:01:17,963 INFO L87 Difference]: Start difference. First operand has 116 states, 52 states have (on average 1.2692307692307692) internal successors, (66), 61 states have internal predecessors, (66), 37 states have call successors, (37), 22 states have call predecessors, (37), 22 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) Second operand has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-01 12:01:18,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 12:01:18,029 INFO L93 Difference]: Finished difference Result 144 states and 175 transitions. [2023-04-01 12:01:18,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-01 12:01:18,031 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 46 [2023-04-01 12:01:18,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 12:01:18,039 INFO L225 Difference]: With dead ends: 144 [2023-04-01 12:01:18,039 INFO L226 Difference]: Without dead ends: 74 [2023-04-01 12:01:18,043 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-01 12:01:18,047 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-01 12:01:18,048 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 82 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-01 12:01:18,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2023-04-01 12:01:18,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2023-04-01 12:01:18,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 38 states have (on average 1.2105263157894737) internal successors, (46), 43 states have internal predecessors, (46), 21 states have call successors, (21), 19 states have call predecessors, (21), 14 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-04-01 12:01:18,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 83 transitions. [2023-04-01 12:01:18,088 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 83 transitions. Word has length 46 [2023-04-01 12:01:18,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 12:01:18,089 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 83 transitions. [2023-04-01 12:01:18,089 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-01 12:01:18,090 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 83 transitions. [2023-04-01 12:01:18,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-04-01 12:01:18,094 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 12:01:18,094 INFO L195 NwaCegarLoop]: 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] [2023-04-01 12:01:18,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 12:01:18,095 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 12:01:18,096 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 12:01:18,096 INFO L85 PathProgramCache]: Analyzing trace with hash -999347498, now seen corresponding path program 1 times [2023-04-01 12:01:18,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 12:01:18,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803541583] [2023-04-01 12:01:18,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 12:01:18,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 12:01:18,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 12:01:18,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 12:01:18,213 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 12:01:18,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803541583] [2023-04-01 12:01:18,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803541583] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 12:01:18,214 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 12:01:18,214 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 12:01:18,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324616101] [2023-04-01 12:01:18,214 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 12:01:18,216 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 12:01:18,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 12:01:18,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 12:01:18,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 12:01:18,217 INFO L87 Difference]: Start difference. First operand 74 states and 83 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-01 12:01:18,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 12:01:18,251 INFO L93 Difference]: Finished difference Result 102 states and 114 transitions. [2023-04-01 12:01:18,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 12:01:18,251 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 47 [2023-04-01 12:01:18,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 12:01:18,252 INFO L225 Difference]: With dead ends: 102 [2023-04-01 12:01:18,252 INFO L226 Difference]: Without dead ends: 66 [2023-04-01 12:01:18,253 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 12:01:18,255 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 7 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-01 12:01:18,256 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 114 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-01 12:01:18,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2023-04-01 12:01:18,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2023-04-01 12:01:18,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 33 states have (on average 1.2121212121212122) internal successors, (40), 38 states have internal predecessors, (40), 18 states have call successors, (18), 18 states have call predecessors, (18), 14 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-04-01 12:01:18,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 72 transitions. [2023-04-01 12:01:18,263 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 72 transitions. Word has length 47 [2023-04-01 12:01:18,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 12:01:18,263 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 72 transitions. [2023-04-01 12:01:18,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-04-01 12:01:18,263 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 72 transitions. [2023-04-01 12:01:18,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-04-01 12:01:18,266 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 12:01:18,266 INFO L195 NwaCegarLoop]: 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] [2023-04-01 12:01:18,266 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 12:01:18,266 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 12:01:18,266 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 12:01:18,267 INFO L85 PathProgramCache]: Analyzing trace with hash -1964645719, now seen corresponding path program 1 times [2023-04-01 12:01:18,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 12:01:18,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122626318] [2023-04-01 12:01:18,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 12:01:18,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 12:01:18,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 12:01:18,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 12:01:18,368 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 12:01:18,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122626318] [2023-04-01 12:01:18,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122626318] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 12:01:18,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 12:01:18,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 12:01:18,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153761803] [2023-04-01 12:01:18,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 12:01:18,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 12:01:18,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 12:01:18,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 12:01:18,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 12:01:18,370 INFO L87 Difference]: Start difference. First operand 66 states and 72 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) [2023-04-01 12:01:18,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 12:01:18,394 INFO L93 Difference]: Finished difference Result 107 states and 120 transitions. [2023-04-01 12:01:18,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 12:01:18,396 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) Word has length 49 [2023-04-01 12:01:18,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 12:01:18,397 INFO L225 Difference]: With dead ends: 107 [2023-04-01 12:01:18,397 INFO L226 Difference]: Without dead ends: 66 [2023-04-01 12:01:18,398 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 12:01:18,399 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 48 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-01 12:01:18,399 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 61 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-01 12:01:18,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2023-04-01 12:01:18,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2023-04-01 12:01:18,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 33 states have (on average 1.1818181818181819) internal successors, (39), 37 states have internal predecessors, (39), 18 states have call successors, (18), 18 states have call predecessors, (18), 14 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-04-01 12:01:18,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 71 transitions. [2023-04-01 12:01:18,416 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 71 transitions. Word has length 49 [2023-04-01 12:01:18,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 12:01:18,416 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 71 transitions. [2023-04-01 12:01:18,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 3 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (8), 2 states have call predecessors, (8), 3 states have call successors, (8) [2023-04-01 12:01:18,416 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 71 transitions. [2023-04-01 12:01:18,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-04-01 12:01:18,417 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 12:01:18,417 INFO L195 NwaCegarLoop]: 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] [2023-04-01 12:01:18,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-01 12:01:18,418 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 12:01:18,418 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 12:01:18,418 INFO L85 PathProgramCache]: Analyzing trace with hash 1248624704, now seen corresponding path program 1 times [2023-04-01 12:01:18,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 12:01:18,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405665236] [2023-04-01 12:01:18,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 12:01:18,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 12:01:18,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 12:01:18,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 12:01:18,600 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 12:01:18,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405665236] [2023-04-01 12:01:18,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405665236] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 12:01:18,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 12:01:18,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-01 12:01:18,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153384454] [2023-04-01 12:01:18,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 12:01:18,602 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-01 12:01:18,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 12:01:18,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-01 12:01:18,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-04-01 12:01:18,603 INFO L87 Difference]: Start difference. First operand 66 states and 71 transitions. Second operand has 6 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 3 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2023-04-01 12:01:18,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 12:01:18,723 INFO L93 Difference]: Finished difference Result 140 states and 157 transitions. [2023-04-01 12:01:18,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-04-01 12:01:18,723 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 3 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 52 [2023-04-01 12:01:18,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 12:01:18,728 INFO L225 Difference]: With dead ends: 140 [2023-04-01 12:01:18,728 INFO L226 Difference]: Without dead ends: 99 [2023-04-01 12:01:18,729 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-04-01 12:01:18,736 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 32 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 12:01:18,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 245 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 12:01:18,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2023-04-01 12:01:18,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 95. [2023-04-01 12:01:18,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 50 states have (on average 1.18) internal successors, (59), 56 states have internal predecessors, (59), 24 states have call successors, (24), 24 states have call predecessors, (24), 20 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-04-01 12:01:18,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 103 transitions. [2023-04-01 12:01:18,752 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 103 transitions. Word has length 52 [2023-04-01 12:01:18,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 12:01:18,755 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 103 transitions. [2023-04-01 12:01:18,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 3 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2023-04-01 12:01:18,755 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 103 transitions. [2023-04-01 12:01:18,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-04-01 12:01:18,757 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 12:01:18,757 INFO L195 NwaCegarLoop]: 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] [2023-04-01 12:01:18,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-01 12:01:18,758 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 12:01:18,758 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 12:01:18,758 INFO L85 PathProgramCache]: Analyzing trace with hash -380181310, now seen corresponding path program 1 times [2023-04-01 12:01:18,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 12:01:18,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221723537] [2023-04-01 12:01:18,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 12:01:18,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 12:01:18,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 12:01:18,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 12:01:18,882 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 12:01:18,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221723537] [2023-04-01 12:01:18,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221723537] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 12:01:18,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 12:01:18,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-01 12:01:18,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149985482] [2023-04-01 12:01:18,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 12:01:18,884 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-01 12:01:18,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 12:01:18,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-01 12:01:18,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-04-01 12:01:18,885 INFO L87 Difference]: Start difference. First operand 95 states and 103 transitions. Second operand has 6 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 3 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-04-01 12:01:18,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 12:01:18,979 INFO L93 Difference]: Finished difference Result 157 states and 176 transitions. [2023-04-01 12:01:18,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-01 12:01:18,980 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 3 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 55 [2023-04-01 12:01:18,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 12:01:18,980 INFO L225 Difference]: With dead ends: 157 [2023-04-01 12:01:18,980 INFO L226 Difference]: Without dead ends: 0 [2023-04-01 12:01:18,981 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-04-01 12:01:18,982 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 32 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 12:01:18,982 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 177 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 12:01:18,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-01 12:01:18,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-01 12:01:18,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-04-01 12:01:18,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-01 12:01:18,983 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 55 [2023-04-01 12:01:18,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 12:01:18,983 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-01 12:01:18,983 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 3 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-04-01 12:01:18,983 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-01 12:01:18,983 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-01 12:01:18,985 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-01 12:01:18,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-01 12:01:18,987 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-01 12:01:19,353 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-04-01 12:01:19,353 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-04-01 12:01:19,353 INFO L899 garLoopResultBuilder]: For program point L158(lines 135 159) no Hoare annotation was computed. [2023-04-01 12:01:19,354 INFO L899 garLoopResultBuilder]: For program point L142(lines 142 146) no Hoare annotation was computed. [2023-04-01 12:01:19,354 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 111 166) no Hoare annotation was computed. [2023-04-01 12:01:19,354 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 111 166) no Hoare annotation was computed. [2023-04-01 12:01:19,354 INFO L899 garLoopResultBuilder]: For program point L136-2(lines 136 157) no Hoare annotation was computed. [2023-04-01 12:01:19,354 INFO L899 garLoopResultBuilder]: For program point L193-2(lines 193 218) no Hoare annotation was computed. [2023-04-01 12:01:19,354 INFO L899 garLoopResultBuilder]: For program point L219(lines 192 220) no Hoare annotation was computed. [2023-04-01 12:01:19,354 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 167 226) no Hoare annotation was computed. [2023-04-01 12:01:19,354 INFO L899 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2023-04-01 12:01:19,354 INFO L899 garLoopResultBuilder]: For program point L212-1(line 212) no Hoare annotation was computed. [2023-04-01 12:01:19,354 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 167 226) no Hoare annotation was computed. [2023-04-01 12:01:19,354 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 167 226) no Hoare annotation was computed. [2023-04-01 12:01:19,354 INFO L899 garLoopResultBuilder]: For program point L199(lines 199 203) no Hoare annotation was computed. [2023-04-01 12:01:19,354 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 872 880) no Hoare annotation was computed. [2023-04-01 12:01:19,355 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 872 880) the Hoare annotation is: true [2023-04-01 12:01:19,355 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 742 764) no Hoare annotation was computed. [2023-04-01 12:01:19,355 INFO L895 garLoopResultBuilder]: At program point L754(line 754) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= ~pumpRunning~0 0)) (= ~methaneLevelCritical~0 0)) [2023-04-01 12:01:19,355 INFO L895 garLoopResultBuilder]: At program point L754-1(line 754) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= ~pumpRunning~0 0)) (= ~methaneLevelCritical~0 0)) [2023-04-01 12:01:19,355 INFO L899 garLoopResultBuilder]: For program point L752(lines 752 759) no Hoare annotation was computed. [2023-04-01 12:01:19,355 INFO L899 garLoopResultBuilder]: For program point L752-1(lines 752 759) no Hoare annotation was computed. [2023-04-01 12:01:19,355 INFO L899 garLoopResultBuilder]: For program point L750(line 750) no Hoare annotation was computed. [2023-04-01 12:01:19,355 INFO L895 garLoopResultBuilder]: At program point L749(line 749) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= ~pumpRunning~0 0)) (= ~methaneLevelCritical~0 0)) [2023-04-01 12:01:19,355 INFO L895 garLoopResultBuilder]: At program point L748(line 748) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= ~pumpRunning~0 0)) (= ~methaneLevelCritical~0 0)) [2023-04-01 12:01:19,356 INFO L895 garLoopResultBuilder]: At program point L748-1(line 748) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= ~pumpRunning~0 0)) (= ~methaneLevelCritical~0 0)) [2023-04-01 12:01:19,356 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 742 764) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= ~pumpRunning~0 0)) (= ~methaneLevelCritical~0 0)) [2023-04-01 12:01:19,356 INFO L899 garLoopResultBuilder]: For program point L705(line 705) no Hoare annotation was computed. [2023-04-01 12:01:19,356 INFO L899 garLoopResultBuilder]: For program point L704(line 704) no Hoare annotation was computed. [2023-04-01 12:01:19,356 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 697 720) no Hoare annotation was computed. [2023-04-01 12:01:19,356 INFO L899 garLoopResultBuilder]: For program point L703(line 703) no Hoare annotation was computed. [2023-04-01 12:01:19,356 INFO L899 garLoopResultBuilder]: For program point L702(line 702) no Hoare annotation was computed. [2023-04-01 12:01:19,356 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 697 720) no Hoare annotation was computed. [2023-04-01 12:01:19,356 INFO L899 garLoopResultBuilder]: For program point L715(line 715) no Hoare annotation was computed. [2023-04-01 12:01:19,356 INFO L899 garLoopResultBuilder]: For program point L714(line 714) no Hoare annotation was computed. [2023-04-01 12:01:19,356 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 697 720) no Hoare annotation was computed. [2023-04-01 12:01:19,356 INFO L899 garLoopResultBuilder]: For program point L713(line 713) no Hoare annotation was computed. [2023-04-01 12:01:19,357 INFO L899 garLoopResultBuilder]: For program point L712(line 712) no Hoare annotation was computed. [2023-04-01 12:01:19,357 INFO L899 garLoopResultBuilder]: For program point L711(line 711) no Hoare annotation was computed. [2023-04-01 12:01:19,357 INFO L899 garLoopResultBuilder]: For program point L710(line 710) no Hoare annotation was computed. [2023-04-01 12:01:19,357 INFO L899 garLoopResultBuilder]: For program point L709(line 709) no Hoare annotation was computed. [2023-04-01 12:01:19,357 INFO L899 garLoopResultBuilder]: For program point L708(line 708) no Hoare annotation was computed. [2023-04-01 12:01:19,357 INFO L899 garLoopResultBuilder]: For program point L707(line 707) no Hoare annotation was computed. [2023-04-01 12:01:19,357 INFO L899 garLoopResultBuilder]: For program point L706(line 706) no Hoare annotation was computed. [2023-04-01 12:01:19,357 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 858 864) no Hoare annotation was computed. [2023-04-01 12:01:19,357 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 858 864) the Hoare annotation is: true [2023-04-01 12:01:19,357 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 378 423) no Hoare annotation was computed. [2023-04-01 12:01:19,357 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 378 423) no Hoare annotation was computed. [2023-04-01 12:01:19,357 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 529 535) no Hoare annotation was computed. [2023-04-01 12:01:19,357 INFO L902 garLoopResultBuilder]: At program point processEnvironmentFINAL(lines 529 535) the Hoare annotation is: true [2023-04-01 12:01:19,358 INFO L895 garLoopResultBuilder]: At program point L475-2(lines 469 480) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= ~pumpRunning~0 0)) (= test_~splverifierCounter~0 0)) [2023-04-01 12:01:19,358 INFO L899 garLoopResultBuilder]: For program point L440(lines 439 484) no Hoare annotation was computed. [2023-04-01 12:01:19,358 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 429 492) no Hoare annotation was computed. [2023-04-01 12:01:19,358 INFO L895 garLoopResultBuilder]: At program point L461(line 461) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= ~pumpRunning~0 0)) (= test_~splverifierCounter~0 0)) [2023-04-01 12:01:19,358 INFO L899 garLoopResultBuilder]: For program point L459(lines 459 465) no Hoare annotation was computed. [2023-04-01 12:01:19,358 INFO L899 garLoopResultBuilder]: For program point L459-1(lines 459 465) no Hoare annotation was computed. [2023-04-01 12:01:19,358 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 429 492) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= ~pumpRunning~0 0)) (= ~methaneLevelCritical~0 0)) [2023-04-01 12:01:19,358 INFO L895 garLoopResultBuilder]: At program point L451(line 451) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= ~pumpRunning~0 0)) (= test_~splverifierCounter~0 0)) [2023-04-01 12:01:19,358 INFO L895 garLoopResultBuilder]: At program point L482(lines 439 484) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= ~pumpRunning~0 0)) (= test_~splverifierCounter~0 0)) [2023-04-01 12:01:19,358 INFO L899 garLoopResultBuilder]: For program point L449(lines 449 455) no Hoare annotation was computed. [2023-04-01 12:01:19,358 INFO L899 garLoopResultBuilder]: For program point L449-1(lines 449 455) no Hoare annotation was computed. [2023-04-01 12:01:19,359 INFO L895 garLoopResultBuilder]: At program point L485(lines 438 486) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= ~pumpRunning~0 0))) [2023-04-01 12:01:19,359 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 429 492) no Hoare annotation was computed. [2023-04-01 12:01:19,359 INFO L899 garLoopResultBuilder]: For program point L642-1(line 642) no Hoare annotation was computed. [2023-04-01 12:01:19,359 INFO L895 garLoopResultBuilder]: At program point L651(line 651) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= ~pumpRunning~0 0))) [2023-04-01 12:01:19,359 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 636 664) the Hoare annotation is: true [2023-04-01 12:01:19,359 INFO L899 garLoopResultBuilder]: For program point L649(lines 649 655) no Hoare annotation was computed. [2023-04-01 12:01:19,359 INFO L899 garLoopResultBuilder]: For program point L648(lines 648 658) no Hoare annotation was computed. [2023-04-01 12:01:19,359 INFO L895 garLoopResultBuilder]: At program point L646(line 646) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0))) [2023-04-01 12:01:19,359 INFO L899 garLoopResultBuilder]: For program point L646-1(line 646) no Hoare annotation was computed. [2023-04-01 12:01:19,359 INFO L899 garLoopResultBuilder]: For program point L644(lines 644 661) no Hoare annotation was computed. [2023-04-01 12:01:19,359 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification2_spec__2EXIT(lines 636 664) no Hoare annotation was computed. [2023-04-01 12:01:19,359 INFO L899 garLoopResultBuilder]: For program point L644-1(lines 636 664) no Hoare annotation was computed. [2023-04-01 12:01:19,359 INFO L902 garLoopResultBuilder]: At program point L642(line 642) the Hoare annotation is: true [2023-04-01 12:01:19,360 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 814 836) no Hoare annotation was computed. [2023-04-01 12:01:19,360 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 814 836) no Hoare annotation was computed. [2023-04-01 12:01:19,360 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 628 635) the Hoare annotation is: true [2023-04-01 12:01:19,360 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification2_spec__1EXIT(lines 628 635) no Hoare annotation was computed. [2023-04-01 12:01:19,360 INFO L899 garLoopResultBuilder]: For program point L556(line 556) no Hoare annotation was computed. [2023-04-01 12:01:19,360 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 545 561) no Hoare annotation was computed. [2023-04-01 12:01:19,360 INFO L899 garLoopResultBuilder]: For program point L556-1(lines 545 561) no Hoare annotation was computed. [2023-04-01 12:01:19,360 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 545 561) no Hoare annotation was computed. [2023-04-01 12:01:19,360 INFO L899 garLoopResultBuilder]: For program point L552(lines 552 558) no Hoare annotation was computed. [2023-04-01 12:01:19,360 INFO L899 garLoopResultBuilder]: For program point L550(line 550) no Hoare annotation was computed. [2023-04-01 12:01:19,360 INFO L899 garLoopResultBuilder]: For program point L550-1(line 550) no Hoare annotation was computed. [2023-04-01 12:01:19,360 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 837 845) no Hoare annotation was computed. [2023-04-01 12:01:19,360 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 837 845) no Hoare annotation was computed. [2023-04-01 12:01:19,361 INFO L895 garLoopResultBuilder]: At program point L511(line 511) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= ~pumpRunning~0 0))) [2023-04-01 12:01:19,361 INFO L899 garLoopResultBuilder]: For program point L509(lines 508 527) no Hoare annotation was computed. [2023-04-01 12:01:19,361 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 505 528) no Hoare annotation was computed. [2023-04-01 12:01:19,361 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 505 528) the Hoare annotation is: true [2023-04-01 12:01:19,361 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 505 528) no Hoare annotation was computed. [2023-04-01 12:01:19,361 INFO L902 garLoopResultBuilder]: At program point L518(line 518) the Hoare annotation is: true [2023-04-01 12:01:19,361 INFO L902 garLoopResultBuilder]: At program point L516(lines 516 522) the Hoare annotation is: true [2023-04-01 12:01:19,361 INFO L902 garLoopResultBuilder]: At program point L673(line 673) the Hoare annotation is: true [2023-04-01 12:01:19,361 INFO L899 garLoopResultBuilder]: For program point L673-1(line 673) no Hoare annotation was computed. [2023-04-01 12:01:19,361 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 667 696) no Hoare annotation was computed. [2023-04-01 12:01:19,361 INFO L902 garLoopResultBuilder]: At program point L692(lines 667 696) the Hoare annotation is: true [2023-04-01 12:01:19,361 INFO L899 garLoopResultBuilder]: For program point L688(line 688) no Hoare annotation was computed. [2023-04-01 12:01:19,361 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 667 696) the Hoare annotation is: true [2023-04-01 12:01:19,361 INFO L899 garLoopResultBuilder]: For program point L681(lines 681 685) no Hoare annotation was computed. [2023-04-01 12:01:19,362 INFO L902 garLoopResultBuilder]: At program point L681-1(lines 681 685) the Hoare annotation is: true [2023-04-01 12:01:19,362 INFO L902 garLoopResultBuilder]: At program point L677-2(lines 677 691) the Hoare annotation is: true [2023-04-01 12:01:19,362 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 805 813) the Hoare annotation is: true [2023-04-01 12:01:19,362 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 805 813) no Hoare annotation was computed. [2023-04-01 12:01:19,362 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 769 780) no Hoare annotation was computed. [2023-04-01 12:01:19,362 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 769 780) the Hoare annotation is: true [2023-04-01 12:01:19,362 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 781 792) no Hoare annotation was computed. [2023-04-01 12:01:19,362 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 781 792) the Hoare annotation is: true [2023-04-01 12:01:19,362 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 50 57) the Hoare annotation is: true [2023-04-01 12:01:19,362 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2023-04-01 12:01:19,362 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 50 57) no Hoare annotation was computed. [2023-04-01 12:01:19,362 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 865 871) the Hoare annotation is: true [2023-04-01 12:01:19,362 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 865 871) no Hoare annotation was computed. [2023-04-01 12:01:19,363 INFO L899 garLoopResultBuilder]: For program point activatePump__wrappee__baseEXIT(lines 536 543) no Hoare annotation was computed. [2023-04-01 12:01:19,363 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 536 543) no Hoare annotation was computed. [2023-04-01 12:01:19,363 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 581 589) no Hoare annotation was computed. [2023-04-01 12:01:19,363 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 581 589) the Hoare annotation is: true [2023-04-01 12:01:19,363 INFO L899 garLoopResultBuilder]: For program point L620(line 620) no Hoare annotation was computed. [2023-04-01 12:01:19,363 INFO L899 garLoopResultBuilder]: For program point L620-1(line 620) no Hoare annotation was computed. [2023-04-01 12:01:19,363 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 590 625) no Hoare annotation was computed. [2023-04-01 12:01:19,363 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 590 625) no Hoare annotation was computed. [2023-04-01 12:01:19,363 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 65 110) no Hoare annotation was computed. [2023-04-01 12:01:19,363 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 65 110) no Hoare annotation was computed. [2023-04-01 12:01:19,363 INFO L895 garLoopResultBuilder]: At program point L733(line 733) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= ~pumpRunning~0 0)) (= ~methaneLevelCritical~0 0)) [2023-04-01 12:01:19,363 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 728 738) no Hoare annotation was computed. [2023-04-01 12:01:19,363 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 728 738) the Hoare annotation is: (or (< ~systemActive~0 1) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= ~pumpRunning~0 0)) (= ~methaneLevelCritical~0 0)) [2023-04-01 12:01:19,364 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 728 738) no Hoare annotation was computed. [2023-04-01 12:01:19,364 INFO L899 garLoopResultBuilder]: For program point L575(line 575) no Hoare annotation was computed. [2023-04-01 12:01:19,364 INFO L899 garLoopResultBuilder]: For program point L575-1(line 575) no Hoare annotation was computed. [2023-04-01 12:01:19,364 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 570 580) no Hoare annotation was computed. [2023-04-01 12:01:19,364 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 570 580) no Hoare annotation was computed. [2023-04-01 12:01:19,364 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 562 569) no Hoare annotation was computed. [2023-04-01 12:01:19,364 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 562 569) no Hoare annotation was computed. [2023-04-01 12:01:19,364 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 332 377) no Hoare annotation was computed. [2023-04-01 12:01:19,364 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 332 377) no Hoare annotation was computed. [2023-04-01 12:01:19,364 INFO L899 garLoopResultBuilder]: For program point L279(lines 278 298) no Hoare annotation was computed. [2023-04-01 12:01:19,364 INFO L899 garLoopResultBuilder]: For program point L310(line 310) no Hoare annotation was computed. [2023-04-01 12:01:19,364 INFO L899 garLoopResultBuilder]: For program point L310-1(line 310) no Hoare annotation was computed. [2023-04-01 12:01:19,364 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 316) no Hoare annotation was computed. [2023-04-01 12:01:19,364 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 229 331) no Hoare annotation was computed. [2023-04-01 12:01:19,364 INFO L899 garLoopResultBuilder]: For program point L294(line 294) no Hoare annotation was computed. [2023-04-01 12:01:19,365 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 229 331) no Hoare annotation was computed. [2023-04-01 12:01:19,365 INFO L899 garLoopResultBuilder]: For program point L294-1(line 294) no Hoare annotation was computed. [2023-04-01 12:01:19,365 INFO L899 garLoopResultBuilder]: For program point L253(lines 253 257) no Hoare annotation was computed. [2023-04-01 12:01:19,365 INFO L899 garLoopResultBuilder]: For program point L278-2(lines 278 298) no Hoare annotation was computed. [2023-04-01 12:01:19,365 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 229 331) no Hoare annotation was computed. [2023-04-01 12:01:19,365 INFO L899 garLoopResultBuilder]: For program point L299(lines 277 300) no Hoare annotation was computed. [2023-04-01 12:01:19,365 INFO L899 garLoopResultBuilder]: For program point L258(lines 258 274) no Hoare annotation was computed. [2023-04-01 12:01:19,365 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 848 857) no Hoare annotation was computed. [2023-04-01 12:01:19,365 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 848 857) no Hoare annotation was computed. [2023-04-01 12:01:19,365 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-01 12:01:19,365 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-01 12:01:19,365 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-04-01 12:01:19,365 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-04-01 12:01:19,365 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 793 804) the Hoare annotation is: true [2023-04-01 12:01:19,365 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 793 804) no Hoare annotation was computed. [2023-04-01 12:01:19,365 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 721 727) no Hoare annotation was computed. [2023-04-01 12:01:19,366 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 721 727) the Hoare annotation is: true [2023-04-01 12:01:19,366 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-01 12:01:19,366 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (<= 1 ~systemActive~0)) [2023-04-01 12:01:19,366 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-01 12:01:19,366 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-01 12:01:19,368 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-04-01 12:01:19,370 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-01 12:01:19,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.04 12:01:19 BoogieIcfgContainer [2023-04-01 12:01:19,378 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-01 12:01:19,378 INFO L158 Benchmark]: Toolchain (without parser) took 2992.28ms. Allocated memory is still 307.2MB. Free memory was 245.7MB in the beginning and 246.5MB in the end (delta: -727.9kB). Peak memory consumption was 154.1MB. Max. memory is 8.0GB. [2023-04-01 12:01:19,379 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 179.3MB. Free memory was 127.9MB in the beginning and 127.8MB in the end (delta: 143.4kB). There was no memory consumed. Max. memory is 8.0GB. [2023-04-01 12:01:19,379 INFO L158 Benchmark]: CACSL2BoogieTranslator took 292.11ms. Allocated memory is still 307.2MB. Free memory was 245.7MB in the beginning and 227.8MB in the end (delta: 17.9MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-04-01 12:01:19,379 INFO L158 Benchmark]: Boogie Preprocessor took 77.54ms. Allocated memory is still 307.2MB. Free memory was 227.8MB in the beginning and 224.4MB in the end (delta: 3.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-04-01 12:01:19,379 INFO L158 Benchmark]: RCFGBuilder took 864.63ms. Allocated memory is still 307.2MB. Free memory was 224.4MB in the beginning and 231.9MB in the end (delta: -7.4MB). Peak memory consumption was 23.4MB. Max. memory is 8.0GB. [2023-04-01 12:01:19,379 INFO L158 Benchmark]: TraceAbstraction took 1753.69ms. Allocated memory is still 307.2MB. Free memory was 230.8MB in the beginning and 246.5MB in the end (delta: -15.7MB). Peak memory consumption was 138.0MB. Max. memory is 8.0GB. [2023-04-01 12:01:19,380 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 179.3MB. Free memory was 127.9MB in the beginning and 127.8MB in the end (delta: 143.4kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 292.11ms. Allocated memory is still 307.2MB. Free memory was 245.7MB in the beginning and 227.8MB in the end (delta: 17.9MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 77.54ms. Allocated memory is still 307.2MB. Free memory was 227.8MB in the beginning and 224.4MB in the end (delta: 3.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 864.63ms. Allocated memory is still 307.2MB. Free memory was 224.4MB in the beginning and 231.9MB in the end (delta: -7.4MB). Peak memory consumption was 23.4MB. Max. memory is 8.0GB. * TraceAbstraction took 1753.69ms. Allocated memory is still 307.2MB. Free memory was 230.8MB in the beginning and 246.5MB in the end (delta: -15.7MB). Peak memory consumption was 138.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 163 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 125 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 119 mSDsluCounter, 679 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 364 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 200 IncrementalHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 315 mSDtfsCounter, 200 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=116occurred in iteration=0, InterpolantAutomatonStates: 22, 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, 5 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 153 PreInvPairs, 165 NumberOfFragments, 269 HoareAnnotationTreeSize, 153 FomulaSimplifications, 8 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 42 FomulaSimplificationsInter, 622 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 249 NumberOfCodeBlocks, 249 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 244 ConstructedInterpolants, 0 QuantifiedInterpolants, 416 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 438]: Loop Invariant Derived loop invariant: (systemActive < 1 || !(\old(methaneLevelCritical) == 0)) || !(pumpRunning == 0) - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 439]: Loop Invariant Derived loop invariant: ((systemActive < 1 || !(\old(methaneLevelCritical) == 0)) || !(pumpRunning == 0)) || splverifierCounter == 0 - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-04-01 12:01:19,395 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...