/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_spec5_product34.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 12:08:48,705 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 12:08:48,707 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 12:08:48,741 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 12:08:48,741 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 12:08:48,744 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 12:08:48,748 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 12:08:48,752 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 12:08:48,753 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 12:08:48,758 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 12:08:48,760 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 12:08:48,761 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 12:08:48,762 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 12:08:48,764 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 12:08:48,766 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 12:08:48,767 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 12:08:48,768 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 12:08:48,769 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 12:08:48,770 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 12:08:48,775 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 12:08:48,776 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 12:08:48,777 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 12:08:48,779 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 12:08:48,780 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 12:08:48,788 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 12:08:48,789 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 12:08:48,789 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 12:08:48,790 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 12:08:48,791 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 12:08:48,791 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 12:08:48,792 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 12:08:48,792 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 12:08:48,794 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 12:08:48,794 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 12:08:48,795 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 12:08:48,795 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 12:08:48,795 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 12:08:48,796 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 12:08:48,796 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 12:08:48,796 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 12:08:48,797 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 12:08:48,798 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 12:08:48,832 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 12:08:48,832 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 12:08:48,833 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 12:08:48,833 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 12:08:48,834 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 12:08:48,834 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 12:08:48,834 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 12:08:48,834 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 12:08:48,835 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 12:08:48,835 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 12:08:48,835 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 12:08:48,836 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 12:08:48,836 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 12:08:48,836 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 12:08:48,836 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 12:08:48,836 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 12:08:48,836 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 12:08:48,837 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 12:08:48,837 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 12:08:48,837 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 12:08:48,838 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 12:08:48,838 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 12:08:48,838 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 12:08:48,838 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 12:08:48,838 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 12:08:48,838 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 12:08:48,839 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 12:08:48,839 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 12:08:48,839 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 12:08:48,839 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 12:08:48,839 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 12:08:48,839 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 12:08:48,840 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 12:08:48,840 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 12:08:48,840 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 12:08:48,840 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 12:08:48,840 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 12:08:48,840 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 12:08:48,841 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 12:08:48,841 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 12:08:48,841 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 12:08:48,841 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> EqDomain [2023-04-01 12:08:49,079 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 12:08:49,099 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 12:08:49,101 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 12:08:49,102 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 12:08:49,103 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 12:08:49,104 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product34.cil.c [2023-04-01 12:08:50,367 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 12:08:50,644 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 12:08:50,644 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product34.cil.c [2023-04-01 12:08:50,655 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/917f71866/7ad16fd79aa740f8917ae02dc72f186a/FLAG34e6ef839 [2023-04-01 12:08:50,669 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/917f71866/7ad16fd79aa740f8917ae02dc72f186a [2023-04-01 12:08:50,671 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 12:08:50,673 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 12:08:50,674 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 12:08:50,674 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 12:08:50,677 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 12:08:50,678 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 12:08:50" (1/1) ... [2023-04-01 12:08:50,679 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38333da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 12:08:50, skipping insertion in model container [2023-04-01 12:08:50,680 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 12:08:50" (1/1) ... [2023-04-01 12:08:50,686 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 12:08:50,734 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 12:08:50,868 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_spec5_product34.cil.c[2141,2154] [2023-04-01 12:08:50,968 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 12:08:50,985 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 12:08:50,999 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_spec5_product34.cil.c[2141,2154] [2023-04-01 12:08:51,052 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 12:08:51,068 INFO L208 MainTranslator]: Completed translation [2023-04-01 12:08:51,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 12:08:51 WrapperNode [2023-04-01 12:08:51,069 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 12:08:51,070 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 12:08:51,070 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 12:08:51,070 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 12:08:51,079 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 12:08:51" (1/1) ... [2023-04-01 12:08:51,079 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 12:08:51" (1/1) ... [2023-04-01 12:08:51,090 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 12:08:51" (1/1) ... [2023-04-01 12:08:51,090 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 12:08:51" (1/1) ... [2023-04-01 12:08:51,110 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 12:08:51" (1/1) ... [2023-04-01 12:08:51,116 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 12:08:51" (1/1) ... [2023-04-01 12:08:51,120 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 12:08:51" (1/1) ... [2023-04-01 12:08:51,122 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 12:08:51" (1/1) ... [2023-04-01 12:08:51,127 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 12:08:51,128 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 12:08:51,128 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 12:08:51,129 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 12:08:51,129 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 12:08:51" (1/1) ... [2023-04-01 12:08:51,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 12:08:51,146 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 12:08:51,199 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 12:08:51,201 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 12:08:51,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 12:08:51,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 12:08:51,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-01 12:08:51,235 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 12:08:51,238 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-01 12:08:51,239 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-01 12:08:51,239 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-01 12:08:51,239 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-01 12:08:51,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-01 12:08:51,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-01 12:08:51,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-01 12:08:51,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-01 12:08:51,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-01 12:08:51,239 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-01 12:08:51,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-01 12:08:51,240 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-04-01 12:08:51,240 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-04-01 12:08:51,240 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-04-01 12:08:51,240 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-04-01 12:08:51,240 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-04-01 12:08:51,240 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-04-01 12:08:51,240 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2023-04-01 12:08:51,240 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-01 12:08:51,240 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-04-01 12:08:51,241 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-04-01 12:08:51,241 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-04-01 12:08:51,241 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-04-01 12:08:51,241 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-04-01 12:08:51,241 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-04-01 12:08:51,241 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-04-01 12:08:51,241 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-04-01 12:08:51,241 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2023-04-01 12:08:51,241 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2023-04-01 12:08:51,242 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2023-04-01 12:08:51,242 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2023-04-01 12:08:51,242 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2023-04-01 12:08:51,242 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-04-01 12:08:51,242 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-04-01 12:08:51,242 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-01 12:08:51,242 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-04-01 12:08:51,242 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 12:08:51,242 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 12:08:51,242 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 12:08:51,243 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 12:08:51,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 12:08:51,243 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-01 12:08:51,243 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-01 12:08:51,243 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-01 12:08:51,243 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-01 12:08:51,243 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-01 12:08:51,243 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-01 12:08:51,243 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-01 12:08:51,244 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-01 12:08:51,244 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-01 12:08:51,244 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-01 12:08:51,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-01 12:08:51,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-01 12:08:51,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 12:08:51,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-01 12:08:51,244 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-01 12:08:51,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 12:08:51,245 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-01 12:08:51,245 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-01 12:08:51,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 12:08:51,245 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-01 12:08:51,245 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-01 12:08:51,245 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-01 12:08:51,245 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-04-01 12:08:51,245 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-04-01 12:08:51,245 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-04-01 12:08:51,246 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-04-01 12:08:51,246 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-04-01 12:08:51,246 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-04-01 12:08:51,246 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2023-04-01 12:08:51,246 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2023-04-01 12:08:51,246 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-04-01 12:08:51,246 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-04-01 12:08:51,246 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-01 12:08:51,246 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-04-01 12:08:51,247 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-04-01 12:08:51,247 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-04-01 12:08:51,247 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-04-01 12:08:51,247 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2023-04-01 12:08:51,247 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2023-04-01 12:08:51,247 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-04-01 12:08:51,247 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-04-01 12:08:51,247 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2023-04-01 12:08:51,247 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-04-01 12:08:51,248 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2023-04-01 12:08:51,248 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-04-01 12:08:51,248 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-01 12:08:51,248 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-04-01 12:08:51,248 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 12:08:51,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 12:08:51,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 12:08:51,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 12:08:51,375 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 12:08:51,378 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 12:08:51,959 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 12:08:52,091 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 12:08:52,091 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-04-01 12:08:52,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 12:08:52 BoogieIcfgContainer [2023-04-01 12:08:52,094 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 12:08:52,097 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 12:08:52,097 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 12:08:52,100 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 12:08:52,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 12:08:50" (1/3) ... [2023-04-01 12:08:52,101 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b3cb8e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 12:08:52, skipping insertion in model container [2023-04-01 12:08:52,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 12:08:51" (2/3) ... [2023-04-01 12:08:52,102 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b3cb8e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 12:08:52, skipping insertion in model container [2023-04-01 12:08:52,102 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 12:08:52" (3/3) ... [2023-04-01 12:08:52,103 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product34.cil.c [2023-04-01 12:08:52,119 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 12:08:52,120 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 12:08:52,187 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 12:08:52,193 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;@122eaff9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 12:08:52,194 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 12:08:52,202 INFO L276 IsEmpty]: Start isEmpty. Operand has 133 states, 59 states have (on average 1.271186440677966) internal successors, (75), 70 states have internal predecessors, (75), 44 states have call successors, (44), 27 states have call predecessors, (44), 27 states have return successors, (44), 42 states have call predecessors, (44), 44 states have call successors, (44) [2023-04-01 12:08:52,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-04-01 12:08:52,213 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 12:08:52,214 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 12:08:52,215 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 12:08:52,220 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 12:08:52,220 INFO L85 PathProgramCache]: Analyzing trace with hash 1968503319, now seen corresponding path program 1 times [2023-04-01 12:08:52,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 12:08:52,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720765825] [2023-04-01 12:08:52,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 12:08:52,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 12:08:52,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 12:08:52,440 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-01 12:08:52,441 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 12:08:52,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720765825] [2023-04-01 12:08:52,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720765825] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 12:08:52,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 12:08:52,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-04-01 12:08:52,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314028022] [2023-04-01 12:08:52,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 12:08:52,449 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-01 12:08:52,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 12:08:52,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-01 12:08:52,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-04-01 12:08:52,486 INFO L87 Difference]: Start difference. First operand has 133 states, 59 states have (on average 1.271186440677966) internal successors, (75), 70 states have internal predecessors, (75), 44 states have call successors, (44), 27 states have call predecessors, (44), 27 states have return successors, (44), 42 states have call predecessors, (44), 44 states have call successors, (44) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-04-01 12:08:52,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 12:08:52,581 INFO L93 Difference]: Finished difference Result 196 states and 237 transitions. [2023-04-01 12:08:52,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-01 12:08:52,584 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 52 [2023-04-01 12:08:52,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 12:08:52,593 INFO L225 Difference]: With dead ends: 196 [2023-04-01 12:08:52,594 INFO L226 Difference]: Without dead ends: 100 [2023-04-01 12:08:52,598 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 12:08:52,602 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-01 12:08:52,603 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 108 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-01 12:08:52,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2023-04-01 12:08:52,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2023-04-01 12:08:52,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 50 states have (on average 1.22) internal successors, (61), 58 states have internal predecessors, (61), 29 states have call successors, (29), 25 states have call predecessors, (29), 20 states have return successors, (24), 22 states have call predecessors, (24), 24 states have call successors, (24) [2023-04-01 12:08:52,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 114 transitions. [2023-04-01 12:08:52,675 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 114 transitions. Word has length 52 [2023-04-01 12:08:52,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 12:08:52,676 INFO L495 AbstractCegarLoop]: Abstraction has 100 states and 114 transitions. [2023-04-01 12:08:52,676 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-04-01 12:08:52,676 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 114 transitions. [2023-04-01 12:08:52,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-04-01 12:08:52,679 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 12:08:52,679 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 12:08:52,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 12:08:52,680 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 12:08:52,680 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 12:08:52,680 INFO L85 PathProgramCache]: Analyzing trace with hash 207174416, now seen corresponding path program 1 times [2023-04-01 12:08:52,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 12:08:52,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757150307] [2023-04-01 12:08:52,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 12:08:52,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 12:08:52,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 12:08:52,801 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-01 12:08:52,802 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 12:08:52,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757150307] [2023-04-01 12:08:52,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757150307] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 12:08:52,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 12:08:52,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-04-01 12:08:52,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641631032] [2023-04-01 12:08:52,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 12:08:52,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-01 12:08:52,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 12:08:52,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-01 12:08:52,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-04-01 12:08:52,805 INFO L87 Difference]: Start difference. First operand 100 states and 114 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-04-01 12:08:52,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 12:08:52,860 INFO L93 Difference]: Finished difference Result 150 states and 171 transitions. [2023-04-01 12:08:52,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-01 12:08:52,861 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 53 [2023-04-01 12:08:52,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 12:08:52,862 INFO L225 Difference]: With dead ends: 150 [2023-04-01 12:08:52,862 INFO L226 Difference]: Without dead ends: 92 [2023-04-01 12:08:52,863 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 12:08:52,864 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 9 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-01 12:08:52,865 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 163 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-01 12:08:52,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2023-04-01 12:08:52,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2023-04-01 12:08:52,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 45 states have (on average 1.2222222222222223) internal successors, (55), 53 states have internal predecessors, (55), 26 states have call successors, (26), 24 states have call predecessors, (26), 20 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2023-04-01 12:08:52,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 103 transitions. [2023-04-01 12:08:52,877 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 103 transitions. Word has length 53 [2023-04-01 12:08:52,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 12:08:52,878 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 103 transitions. [2023-04-01 12:08:52,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-04-01 12:08:52,878 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 103 transitions. [2023-04-01 12:08:52,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-04-01 12:08:52,880 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 12:08:52,880 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 12:08:52,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-01 12:08:52,880 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 12:08:52,881 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 12:08:52,881 INFO L85 PathProgramCache]: Analyzing trace with hash -1006913653, now seen corresponding path program 1 times [2023-04-01 12:08:52,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 12:08:52,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748468495] [2023-04-01 12:08:52,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 12:08:52,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 12:08:52,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 12:08:53,129 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-01 12:08:53,129 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 12:08:53,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748468495] [2023-04-01 12:08:53,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748468495] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 12:08:53,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 12:08:53,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-01 12:08:53,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59154390] [2023-04-01 12:08:53,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 12:08:53,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-01 12:08:53,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 12:08:53,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-01 12:08:53,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-04-01 12:08:53,132 INFO L87 Difference]: Start difference. First operand 92 states and 103 transitions. Second operand has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 4 states have call successors, (16), 4 states have call predecessors, (16), 3 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) [2023-04-01 12:08:53,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 12:08:53,354 INFO L93 Difference]: Finished difference Result 159 states and 182 transitions. [2023-04-01 12:08:53,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-01 12:08:53,355 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 4 states have call successors, (16), 4 states have call predecessors, (16), 3 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) Word has length 56 [2023-04-01 12:08:53,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 12:08:53,357 INFO L225 Difference]: With dead ends: 159 [2023-04-01 12:08:53,357 INFO L226 Difference]: Without dead ends: 92 [2023-04-01 12:08:53,363 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-04-01 12:08:53,365 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 133 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-04-01 12:08:53,367 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 239 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-04-01 12:08:53,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2023-04-01 12:08:53,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2023-04-01 12:08:53,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 45 states have (on average 1.2) internal successors, (54), 52 states have internal predecessors, (54), 26 states have call successors, (26), 24 states have call predecessors, (26), 20 states have return successors, (22), 20 states have call predecessors, (22), 22 states have call successors, (22) [2023-04-01 12:08:53,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 102 transitions. [2023-04-01 12:08:53,387 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 102 transitions. Word has length 56 [2023-04-01 12:08:53,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 12:08:53,388 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 102 transitions. [2023-04-01 12:08:53,388 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 4 states have call successors, (16), 4 states have call predecessors, (16), 3 states have return successors, (10), 5 states have call predecessors, (10), 4 states have call successors, (10) [2023-04-01 12:08:53,389 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 102 transitions. [2023-04-01 12:08:53,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-04-01 12:08:53,390 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 12:08:53,390 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 12:08:53,390 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-01 12:08:53,391 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 12:08:53,391 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 12:08:53,391 INFO L85 PathProgramCache]: Analyzing trace with hash 600704834, now seen corresponding path program 1 times [2023-04-01 12:08:53,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 12:08:53,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674135666] [2023-04-01 12:08:53,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 12:08:53,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 12:08:53,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 12:08:53,559 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-01 12:08:53,559 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 12:08:53,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674135666] [2023-04-01 12:08:53,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674135666] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 12:08:53,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 12:08:53,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-04-01 12:08:53,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251299084] [2023-04-01 12:08:53,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 12:08:53,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-04-01 12:08:53,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 12:08:53,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-04-01 12:08:53,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-04-01 12:08:53,562 INFO L87 Difference]: Start difference. First operand 92 states and 102 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 4 states have call successors, (18), 4 states have call predecessors, (18), 3 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2023-04-01 12:08:53,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 12:08:53,904 INFO L93 Difference]: Finished difference Result 242 states and 286 transitions. [2023-04-01 12:08:53,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-04-01 12:08:53,905 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 4 states have call successors, (18), 4 states have call predecessors, (18), 3 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 64 [2023-04-01 12:08:53,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 12:08:53,907 INFO L225 Difference]: With dead ends: 242 [2023-04-01 12:08:53,907 INFO L226 Difference]: Without dead ends: 175 [2023-04-01 12:08:53,908 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-04-01 12:08:53,909 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 125 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 278 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 278 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-01 12:08:53,909 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 119 Invalid, 375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 278 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-01 12:08:53,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2023-04-01 12:08:53,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 158. [2023-04-01 12:08:53,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 83 states have (on average 1.2048192771084338) internal successors, (100), 91 states have internal predecessors, (100), 39 states have call successors, (39), 37 states have call predecessors, (39), 35 states have return successors, (39), 36 states have call predecessors, (39), 35 states have call successors, (39) [2023-04-01 12:08:53,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 178 transitions. [2023-04-01 12:08:53,935 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 178 transitions. Word has length 64 [2023-04-01 12:08:53,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 12:08:53,936 INFO L495 AbstractCegarLoop]: Abstraction has 158 states and 178 transitions. [2023-04-01 12:08:53,936 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 4 states have call successors, (18), 4 states have call predecessors, (18), 3 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2023-04-01 12:08:53,936 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 178 transitions. [2023-04-01 12:08:53,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-04-01 12:08:53,938 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 12:08:53,939 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 12:08:53,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-01 12:08:53,939 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 12:08:53,939 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 12:08:53,940 INFO L85 PathProgramCache]: Analyzing trace with hash -298757707, now seen corresponding path program 1 times [2023-04-01 12:08:53,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 12:08:53,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446158643] [2023-04-01 12:08:53,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 12:08:53,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 12:08:53,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 12:08:54,383 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-01 12:08:54,383 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 12:08:54,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446158643] [2023-04-01 12:08:54,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446158643] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 12:08:54,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 12:08:54,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-04-01 12:08:54,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961229044] [2023-04-01 12:08:54,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 12:08:54,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-01 12:08:54,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 12:08:54,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-01 12:08:54,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2023-04-01 12:08:54,388 INFO L87 Difference]: Start difference. First operand 158 states and 178 transitions. Second operand has 12 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 4 states have call successors, (20), 3 states have call predecessors, (20), 6 states have return successors, (14), 7 states have call predecessors, (14), 4 states have call successors, (14) [2023-04-01 12:08:54,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 12:08:54,827 INFO L93 Difference]: Finished difference Result 435 states and 503 transitions. [2023-04-01 12:08:54,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-04-01 12:08:54,827 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 4 states have call successors, (20), 3 states have call predecessors, (20), 6 states have return successors, (14), 7 states have call predecessors, (14), 4 states have call successors, (14) Word has length 73 [2023-04-01 12:08:54,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 12:08:54,833 INFO L225 Difference]: With dead ends: 435 [2023-04-01 12:08:54,833 INFO L226 Difference]: Without dead ends: 302 [2023-04-01 12:08:54,835 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2023-04-01 12:08:54,836 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 133 mSDsluCounter, 621 mSDsCounter, 0 mSdLazyCounter, 653 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 761 SdHoareTripleChecker+Invalid, 658 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 653 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-01 12:08:54,837 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 761 Invalid, 658 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 653 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-01 12:08:54,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2023-04-01 12:08:54,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 290. [2023-04-01 12:08:54,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 158 states have (on average 1.2151898734177216) internal successors, (192), 172 states have internal predecessors, (192), 69 states have call successors, (69), 65 states have call predecessors, (69), 62 states have return successors, (73), 66 states have call predecessors, (73), 65 states have call successors, (73) [2023-04-01 12:08:54,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 334 transitions. [2023-04-01 12:08:54,888 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 334 transitions. Word has length 73 [2023-04-01 12:08:54,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 12:08:54,888 INFO L495 AbstractCegarLoop]: Abstraction has 290 states and 334 transitions. [2023-04-01 12:08:54,888 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 4.222222222222222) internal successors, (38), 9 states have internal predecessors, (38), 4 states have call successors, (20), 3 states have call predecessors, (20), 6 states have return successors, (14), 7 states have call predecessors, (14), 4 states have call successors, (14) [2023-04-01 12:08:54,889 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 334 transitions. [2023-04-01 12:08:54,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-04-01 12:08:54,890 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 12:08:54,891 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 12:08:54,891 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-01 12:08:54,891 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 12:08:54,891 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 12:08:54,891 INFO L85 PathProgramCache]: Analyzing trace with hash 1004057177, now seen corresponding path program 1 times [2023-04-01 12:08:54,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 12:08:54,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657602667] [2023-04-01 12:08:54,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 12:08:54,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 12:08:54,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 12:08:55,074 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-04-01 12:08:55,074 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 12:08:55,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657602667] [2023-04-01 12:08:55,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657602667] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 12:08:55,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 12:08:55,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-04-01 12:08:55,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869512865] [2023-04-01 12:08:55,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 12:08:55,075 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-01 12:08:55,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 12:08:55,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-01 12:08:55,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-04-01 12:08:55,077 INFO L87 Difference]: Start difference. First operand 290 states and 334 transitions. Second operand has 7 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 4 states have call successors, (20), 4 states have call predecessors, (20), 4 states have return successors, (14), 4 states have call predecessors, (14), 3 states have call successors, (14) [2023-04-01 12:08:55,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 12:08:55,387 INFO L93 Difference]: Finished difference Result 583 states and 693 transitions. [2023-04-01 12:08:55,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-04-01 12:08:55,388 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 4 states have call successors, (20), 4 states have call predecessors, (20), 4 states have return successors, (14), 4 states have call predecessors, (14), 3 states have call successors, (14) Word has length 73 [2023-04-01 12:08:55,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 12:08:55,393 INFO L225 Difference]: With dead ends: 583 [2023-04-01 12:08:55,394 INFO L226 Difference]: Without dead ends: 318 [2023-04-01 12:08:55,394 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2023-04-01 12:08:55,396 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 102 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 355 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-04-01 12:08:55,398 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 189 Invalid, 432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 355 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-04-01 12:08:55,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2023-04-01 12:08:55,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 287. [2023-04-01 12:08:55,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 155 states have (on average 1.1806451612903226) internal successors, (183), 169 states have internal predecessors, (183), 69 states have call successors, (69), 65 states have call predecessors, (69), 62 states have return successors, (73), 66 states have call predecessors, (73), 65 states have call successors, (73) [2023-04-01 12:08:55,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 325 transitions. [2023-04-01 12:08:55,440 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 325 transitions. Word has length 73 [2023-04-01 12:08:55,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 12:08:55,444 INFO L495 AbstractCegarLoop]: Abstraction has 287 states and 325 transitions. [2023-04-01 12:08:55,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.5) internal successors, (39), 6 states have internal predecessors, (39), 4 states have call successors, (20), 4 states have call predecessors, (20), 4 states have return successors, (14), 4 states have call predecessors, (14), 3 states have call successors, (14) [2023-04-01 12:08:55,449 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 325 transitions. [2023-04-01 12:08:55,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-04-01 12:08:55,452 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 12:08:55,452 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 12:08:55,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-01 12:08:55,453 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 12:08:55,453 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 12:08:55,453 INFO L85 PathProgramCache]: Analyzing trace with hash -1399275013, now seen corresponding path program 1 times [2023-04-01 12:08:55,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 12:08:55,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301735296] [2023-04-01 12:08:55,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 12:08:55,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 12:08:55,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 12:08:55,787 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-04-01 12:08:55,787 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 12:08:55,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301735296] [2023-04-01 12:08:55,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301735296] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 12:08:55,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 12:08:55,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-04-01 12:08:55,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211072363] [2023-04-01 12:08:55,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 12:08:55,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-04-01 12:08:55,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 12:08:55,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-04-01 12:08:55,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2023-04-01 12:08:55,790 INFO L87 Difference]: Start difference. First operand 287 states and 325 transitions. Second operand has 9 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 4 states have call successors, (21), 5 states have call predecessors, (21), 4 states have return successors, (15), 5 states have call predecessors, (15), 4 states have call successors, (15) [2023-04-01 12:08:56,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 12:08:56,288 INFO L93 Difference]: Finished difference Result 880 states and 1022 transitions. [2023-04-01 12:08:56,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-04-01 12:08:56,289 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 4 states have call successors, (21), 5 states have call predecessors, (21), 4 states have return successors, (15), 5 states have call predecessors, (15), 4 states have call successors, (15) Word has length 76 [2023-04-01 12:08:56,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 12:08:56,295 INFO L225 Difference]: With dead ends: 880 [2023-04-01 12:08:56,295 INFO L226 Difference]: Without dead ends: 674 [2023-04-01 12:08:56,296 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2023-04-01 12:08:56,298 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 183 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 535 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 469 SdHoareTripleChecker+Invalid, 598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-01 12:08:56,299 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 469 Invalid, 598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 535 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-01 12:08:56,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 674 states. [2023-04-01 12:08:56,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 674 to 574. [2023-04-01 12:08:56,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 574 states, 315 states have (on average 1.1904761904761905) internal successors, (375), 342 states have internal predecessors, (375), 133 states have call successors, (133), 126 states have call predecessors, (133), 125 states have return successors, (149), 132 states have call predecessors, (149), 129 states have call successors, (149) [2023-04-01 12:08:56,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 574 states and 657 transitions. [2023-04-01 12:08:56,374 INFO L78 Accepts]: Start accepts. Automaton has 574 states and 657 transitions. Word has length 76 [2023-04-01 12:08:56,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 12:08:56,375 INFO L495 AbstractCegarLoop]: Abstraction has 574 states and 657 transitions. [2023-04-01 12:08:56,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 4 states have call successors, (21), 5 states have call predecessors, (21), 4 states have return successors, (15), 5 states have call predecessors, (15), 4 states have call successors, (15) [2023-04-01 12:08:56,375 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 657 transitions. [2023-04-01 12:08:56,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-04-01 12:08:56,382 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 12:08:56,382 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 12:08:56,382 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-01 12:08:56,382 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 12:08:56,383 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 12:08:56,383 INFO L85 PathProgramCache]: Analyzing trace with hash -1821152371, now seen corresponding path program 1 times [2023-04-01 12:08:56,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 12:08:56,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599375969] [2023-04-01 12:08:56,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 12:08:56,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 12:08:56,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 12:08:56,600 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-04-01 12:08:56,601 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 12:08:56,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599375969] [2023-04-01 12:08:56,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599375969] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-01 12:08:56,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1686665194] [2023-04-01 12:08:56,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 12:08:56,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 12:08:56,602 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 12:08:56,607 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-01 12:08:56,615 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-01 12:08:56,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 12:08:56,781 INFO L262 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 8 conjunts are in the unsatisfiable core [2023-04-01 12:08:56,789 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-01 12:08:57,030 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 21 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 12:08:57,031 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-01 12:08:57,372 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-04-01 12:08:57,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1686665194] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-01 12:08:57,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [619443511] [2023-04-01 12:08:57,442 INFO L159 IcfgInterpreter]: Started Sifa with 85 locations of interest [2023-04-01 12:08:57,442 INFO L166 IcfgInterpreter]: Building call graph [2023-04-01 12:08:57,446 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-04-01 12:08:57,450 INFO L176 IcfgInterpreter]: Starting interpretation [2023-04-01 12:08:57,451 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-04-01 12:08:58,020 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 31 for LOIs [2023-04-01 12:08:58,064 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 131 for LOIs [2023-04-01 12:08:59,950 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 131 for LOIs [2023-04-01 12:09:00,453 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 121 for LOIs [2023-04-01 12:09:00,480 INFO L197 IcfgInterpreter]: Interpreting procedure select_features with input of size 121 for LOIs [2023-04-01 12:09:00,505 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 131 for LOIs [2023-04-01 12:09:06,682 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 166 for LOIs [2023-04-01 12:09:06,728 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 165 for LOIs [2023-04-01 12:09:08,765 INFO L197 IcfgInterpreter]: Interpreting procedure lowerWaterLevel with input of size 123 for LOIs [2023-04-01 12:09:08,785 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__3 with input of size 118 for LOIs [2023-04-01 12:09:09,272 INFO L197 IcfgInterpreter]: Interpreting procedure __automaton_fail with input of size 128 for LOIs [2023-04-01 12:09:09,287 INFO L197 IcfgInterpreter]: Interpreting procedure getWaterLevel with input of size 118 for LOIs [2023-04-01 12:09:09,301 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__2 with input of size 160 for LOIs [2023-04-01 12:09:09,870 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 115 for LOIs [2023-04-01 12:09:09,889 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification5_spec__1 with input of size 123 for LOIs [2023-04-01 12:09:09,910 INFO L197 IcfgInterpreter]: Interpreting procedure valid_product with input of size 121 for LOIs [2023-04-01 12:09:09,936 INFO L197 IcfgInterpreter]: Interpreting procedure select_helpers with input of size 121 for LOIs [2023-04-01 12:09:09,954 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment with input of size 128 for LOIs [2023-04-01 12:09:11,164 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterLevel with input of size 119 for LOIs [2023-04-01 12:09:11,489 INFO L197 IcfgInterpreter]: Interpreting procedure isHighWaterSensorDry with input of size 119 for LOIs [2023-04-01 12:09:11,517 INFO L197 IcfgInterpreter]: Interpreting procedure activatePump with input of size 131 for LOIs [2023-04-01 12:09:11,537 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__base with input of size 122 for LOIs [2023-04-01 12:09:11,556 INFO L180 IcfgInterpreter]: Interpretation finished [2023-04-01 12:09:32,455 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '7074#(and (= (select |#length| 15) 25) (= 9 (select |#length| 5)) (= (select |#length| 9) 21) (= 30 (select |#length| 7)) (= 1 (select |#valid| 5)) (= (select |#length| 3) 12) (= (select |#valid| 15) 1) (= (select |#valid| 9) 1) (not (= ~pumpRunning~0 0)) (= (select |#length| 12) 25) (<= ~pumpRunning~0 2147483647) (= (select |#valid| 11) 1) (= ~methaneLevelCritical~0 0) (= 30 (select |#length| 4)) (not (= 2 ~waterLevel~0)) (= 31 (select |#length| 2)) (= ~head~0.offset 0) (= 2 (select |#length| 1)) (= (select |#length| 8) 9) (= (select |#valid| 3) 1) (= (select |#valid| 7) 1) (= 30 (select |#length| 13)) (= 1 ~systemActive~0) (= 30 (select |#length| 10)) (= (select |#valid| 12) 1) (not (= |#StackHeapBarrier| 0)) (= (select |#valid| 4) 1) (= (select |#valid| 1) 1) (= (select |#length| 6) 21) (= (select |#valid| 14) 1) (= 9 (select |#length| 14)) (= (select |#valid| 0) 0) (= ~head~0.base 0) (= (select |#valid| 2) 1) (<= 0 (+ ~pumpRunning~0 2147483648)) (= |#NULL.offset| 0) (= 9 (select |#length| 11)) (= (select (select |#memory_int| 1) 0) 48) (= (select |#valid| 6) 1) (= (select (select |#memory_int| 1) 1) 0) (= ~switchedOnBeforeTS~0 0) (= (select |#valid| 10) 1) (= (select |#valid| 8) 1) (= (select |#valid| 13) 1) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))' at error location [2023-04-01 12:09:32,455 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-04-01 12:09:32,455 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-01 12:09:32,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 19 [2023-04-01 12:09:32,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319366835] [2023-04-01 12:09:32,456 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-01 12:09:32,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-04-01 12:09:32,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 12:09:32,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-04-01 12:09:32,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=451, Invalid=4805, Unknown=0, NotChecked=0, Total=5256 [2023-04-01 12:09:32,459 INFO L87 Difference]: Start difference. First operand 574 states and 657 transitions. Second operand has 19 states, 12 states have (on average 8.0) internal successors, (96), 15 states have internal predecessors, (96), 7 states have call successors, (45), 6 states have call predecessors, (45), 11 states have return successors, (43), 10 states have call predecessors, (43), 6 states have call successors, (43) [2023-04-01 12:09:33,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 12:09:33,202 INFO L93 Difference]: Finished difference Result 827 states and 955 transitions. [2023-04-01 12:09:33,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-04-01 12:09:33,207 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 12 states have (on average 8.0) internal successors, (96), 15 states have internal predecessors, (96), 7 states have call successors, (45), 6 states have call predecessors, (45), 11 states have return successors, (43), 10 states have call predecessors, (43), 6 states have call successors, (43) Word has length 114 [2023-04-01 12:09:33,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 12:09:33,209 INFO L225 Difference]: With dead ends: 827 [2023-04-01 12:09:33,209 INFO L226 Difference]: Without dead ends: 0 [2023-04-01 12:09:33,217 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 367 GetRequests, 278 SyntacticMatches, 7 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2830 ImplicationChecksByTransitivity, 21.3s TimeCoverageRelationStatistics Valid=559, Invalid=6413, Unknown=0, NotChecked=0, Total=6972 [2023-04-01 12:09:33,218 INFO L413 NwaCegarLoop]: 164 mSDtfsCounter, 231 mSDsluCounter, 1019 mSDsCounter, 0 mSdLazyCounter, 928 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 1183 SdHoareTripleChecker+Invalid, 1053 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 928 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-04-01 12:09:33,219 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 1183 Invalid, 1053 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 928 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-04-01 12:09:33,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-01 12:09:33,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-01 12:09:33,222 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 12:09:33,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-01 12:09:33,224 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 114 [2023-04-01 12:09:33,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 12:09:33,224 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-01 12:09:33,225 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 12 states have (on average 8.0) internal successors, (96), 15 states have internal predecessors, (96), 7 states have call successors, (45), 6 states have call predecessors, (45), 11 states have return successors, (43), 10 states have call predecessors, (43), 6 states have call successors, (43) [2023-04-01 12:09:33,225 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-01 12:09:33,225 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-01 12:09:33,228 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-01 12:09:33,244 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-04-01 12:09:33,444 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-01 12:09:33,447 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-01 12:09:35,716 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-04-01 12:09:35,716 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-04-01 12:09:35,716 INFO L899 garLoopResultBuilder]: For program point L180(lines 180 184) no Hoare annotation was computed. [2023-04-01 12:09:35,716 INFO L899 garLoopResultBuilder]: For program point L174-2(lines 174 195) no Hoare annotation was computed. [2023-04-01 12:09:35,716 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 149 204) no Hoare annotation was computed. [2023-04-01 12:09:35,716 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 149 204) no Hoare annotation was computed. [2023-04-01 12:09:35,716 INFO L899 garLoopResultBuilder]: For program point L196(lines 173 197) no Hoare annotation was computed. [2023-04-01 12:09:35,716 INFO L899 garLoopResultBuilder]: For program point L257(lines 230 258) no Hoare annotation was computed. [2023-04-01 12:09:35,716 INFO L899 garLoopResultBuilder]: For program point L250(line 250) no Hoare annotation was computed. [2023-04-01 12:09:35,716 INFO L899 garLoopResultBuilder]: For program point L250-1(line 250) no Hoare annotation was computed. [2023-04-01 12:09:35,717 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 205 264) no Hoare annotation was computed. [2023-04-01 12:09:35,717 INFO L899 garLoopResultBuilder]: For program point L237(lines 237 241) no Hoare annotation was computed. [2023-04-01 12:09:35,717 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 205 264) no Hoare annotation was computed. [2023-04-01 12:09:35,717 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 205 264) no Hoare annotation was computed. [2023-04-01 12:09:35,717 INFO L899 garLoopResultBuilder]: For program point L231-2(lines 231 256) no Hoare annotation was computed. [2023-04-01 12:09:35,717 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 78 86) no Hoare annotation was computed. [2023-04-01 12:09:35,717 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 78 86) the Hoare annotation is: true [2023-04-01 12:09:35,717 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 925 947) no Hoare annotation was computed. [2023-04-01 12:09:35,717 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 925 947) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 0)) (not (= |old(~systemActive~0)| 1))) [2023-04-01 12:09:35,718 INFO L895 garLoopResultBuilder]: At program point L937(line 937) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= main_~tmp~7 1) (= ~switchedOnBeforeTS~0 0)) (not (= |old(~systemActive~0)| 1))) [2023-04-01 12:09:35,718 INFO L895 garLoopResultBuilder]: At program point L937-1(line 937) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= main_~tmp~7 1) (= ~switchedOnBeforeTS~0 0)) (not (= |old(~systemActive~0)| 1))) [2023-04-01 12:09:35,718 INFO L899 garLoopResultBuilder]: For program point L935(lines 935 942) no Hoare annotation was computed. [2023-04-01 12:09:35,718 INFO L899 garLoopResultBuilder]: For program point L935-1(lines 935 942) no Hoare annotation was computed. [2023-04-01 12:09:35,718 INFO L899 garLoopResultBuilder]: For program point L933(line 933) no Hoare annotation was computed. [2023-04-01 12:09:35,718 INFO L895 garLoopResultBuilder]: At program point L932(line 932) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 0)) (not (= |old(~systemActive~0)| 1))) [2023-04-01 12:09:35,718 INFO L895 garLoopResultBuilder]: At program point L931(line 931) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 0)) (not (= |old(~systemActive~0)| 1))) [2023-04-01 12:09:35,718 INFO L895 garLoopResultBuilder]: At program point L931-1(line 931) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 0)) (not (= |old(~systemActive~0)| 1))) [2023-04-01 12:09:35,718 INFO L899 garLoopResultBuilder]: For program point L897(line 897) no Hoare annotation was computed. [2023-04-01 12:09:35,718 INFO L899 garLoopResultBuilder]: For program point L896(line 896) no Hoare annotation was computed. [2023-04-01 12:09:35,718 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 883 906) no Hoare annotation was computed. [2023-04-01 12:09:35,719 INFO L899 garLoopResultBuilder]: For program point L895(line 895) no Hoare annotation was computed. [2023-04-01 12:09:35,719 INFO L899 garLoopResultBuilder]: For program point L894(line 894) no Hoare annotation was computed. [2023-04-01 12:09:35,719 INFO L899 garLoopResultBuilder]: For program point L893(line 893) no Hoare annotation was computed. [2023-04-01 12:09:35,719 INFO L899 garLoopResultBuilder]: For program point L892(line 892) no Hoare annotation was computed. [2023-04-01 12:09:35,719 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 883 906) no Hoare annotation was computed. [2023-04-01 12:09:35,719 INFO L899 garLoopResultBuilder]: For program point L891(line 891) no Hoare annotation was computed. [2023-04-01 12:09:35,719 INFO L899 garLoopResultBuilder]: For program point L890(line 890) no Hoare annotation was computed. [2023-04-01 12:09:35,719 INFO L899 garLoopResultBuilder]: For program point L889(line 889) no Hoare annotation was computed. [2023-04-01 12:09:35,719 INFO L899 garLoopResultBuilder]: For program point L888(line 888) no Hoare annotation was computed. [2023-04-01 12:09:35,719 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 883 906) no Hoare annotation was computed. [2023-04-01 12:09:35,719 INFO L899 garLoopResultBuilder]: For program point L901(line 901) no Hoare annotation was computed. [2023-04-01 12:09:35,719 INFO L899 garLoopResultBuilder]: For program point L900(line 900) no Hoare annotation was computed. [2023-04-01 12:09:35,719 INFO L899 garLoopResultBuilder]: For program point L899(line 899) no Hoare annotation was computed. [2023-04-01 12:09:35,720 INFO L899 garLoopResultBuilder]: For program point L898(line 898) no Hoare annotation was computed. [2023-04-01 12:09:35,720 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 64 70) no Hoare annotation was computed. [2023-04-01 12:09:35,720 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 64 70) the Hoare annotation is: true [2023-04-01 12:09:35,720 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 416 461) no Hoare annotation was computed. [2023-04-01 12:09:35,720 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 416 461) no Hoare annotation was computed. [2023-04-01 12:09:35,720 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 549 562) the Hoare annotation is: true [2023-04-01 12:09:35,720 INFO L899 garLoopResultBuilder]: For program point isHighWaterSensorDryEXIT(lines 549 562) no Hoare annotation was computed. [2023-04-01 12:09:35,720 INFO L895 garLoopResultBuilder]: At program point L697(line 697) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1)) .cse1 (= ~pumpRunning~0 1)) (or (< 2 ~waterLevel~0) .cse2 .cse0 (<= ~waterLevel~0 1) .cse1) (or (not (= ~waterLevel~0 1)) .cse2 .cse0 .cse1))) [2023-04-01 12:09:35,720 INFO L899 garLoopResultBuilder]: For program point L697-1(lines 678 702) no Hoare annotation was computed. [2023-04-01 12:09:35,721 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 678 702) no Hoare annotation was computed. [2023-04-01 12:09:35,721 INFO L895 garLoopResultBuilder]: At program point L692(line 692) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 (and .cse2 (= 0 processEnvironment_~tmp~4)) .cse3) (or (< 2 ~waterLevel~0) .cse0 .cse2 .cse1 (<= ~waterLevel~0 1) .cse3) (or .cse1 (not (= |old(~pumpRunning~0)| 1)) .cse3))) [2023-04-01 12:09:35,721 INFO L895 garLoopResultBuilder]: At program point L688(line 688) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or (< 2 ~waterLevel~0) .cse0 (= ~pumpRunning~0 0) .cse1 (<= ~waterLevel~0 1) .cse2) (or .cse1 (not (= |old(~pumpRunning~0)| 1)) .cse2))) [2023-04-01 12:09:35,721 INFO L899 garLoopResultBuilder]: For program point L686(lines 686 694) no Hoare annotation was computed. [2023-04-01 12:09:35,721 INFO L895 garLoopResultBuilder]: At program point L684(line 684) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (< 2 ~waterLevel~0) .cse0 .cse1 .cse2 (<= ~waterLevel~0 1) .cse3) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse2 (not (= |old(~pumpRunning~0)| 1)) .cse3))) [2023-04-01 12:09:35,721 INFO L899 garLoopResultBuilder]: For program point L684-1(line 684) no Hoare annotation was computed. [2023-04-01 12:09:35,721 INFO L899 garLoopResultBuilder]: For program point L682(lines 682 699) no Hoare annotation was computed. [2023-04-01 12:09:35,721 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 678 702) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (= ~pumpRunning~0 0)) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= |old(~pumpRunning~0)| 1)) .cse1 (= ~pumpRunning~0 1)) (or (< 2 ~waterLevel~0) .cse2 .cse3 .cse0 (<= ~waterLevel~0 1) .cse1) (or (not (= ~waterLevel~0 1)) .cse2 .cse3 .cse0 .cse1))) [2023-04-01 12:09:35,722 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 670 676) no Hoare annotation was computed. [2023-04-01 12:09:35,722 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 670 676) the Hoare annotation is: true [2023-04-01 12:09:35,722 INFO L895 garLoopResultBuilder]: At program point L609(line 609) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 1)) (.cse1 (< 1 ~waterLevel~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse5 (= ~pumpRunning~0 0)) (.cse0 (= test_~splverifierCounter~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse2 (= ~switchedOnBeforeTS~0 1) .cse4) (and .cse5 .cse0 .cse1 .cse2 .cse3) (and .cse5 .cse0 .cse2 (= ~waterLevel~0 1)))) [2023-04-01 12:09:35,722 INFO L899 garLoopResultBuilder]: For program point L607(lines 607 620) no Hoare annotation was computed. [2023-04-01 12:09:35,722 INFO L895 garLoopResultBuilder]: At program point L599(line 599) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 1)) (.cse1 (< 1 ~waterLevel~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse5 (= ~pumpRunning~0 0)) (.cse0 (= test_~splverifierCounter~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse2 (= ~switchedOnBeforeTS~0 1) .cse4) (and .cse5 .cse0 .cse1 .cse2 .cse3) (and .cse5 .cse0 .cse2 (= ~waterLevel~0 1)))) [2023-04-01 12:09:35,722 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 567 632) no Hoare annotation was computed. [2023-04-01 12:09:35,722 INFO L899 garLoopResultBuilder]: For program point L597(lines 597 603) no Hoare annotation was computed. [2023-04-01 12:09:35,722 INFO L899 garLoopResultBuilder]: For program point L597-1(lines 597 603) no Hoare annotation was computed. [2023-04-01 12:09:35,722 INFO L895 garLoopResultBuilder]: At program point L622(lines 577 624) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 1)) (.cse1 (< 1 ~waterLevel~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse5 (= ~pumpRunning~0 0)) (.cse0 (= test_~splverifierCounter~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse2 (= ~switchedOnBeforeTS~0 1) .cse4) (and .cse5 .cse0 .cse1 .cse2 .cse3 (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (and .cse5 .cse0 .cse2 (= ~waterLevel~0 1)))) [2023-04-01 12:09:35,723 INFO L895 garLoopResultBuilder]: At program point L589(line 589) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 1)) (.cse3 (< 1 ~waterLevel~0)) (.cse4 (<= ~waterLevel~0 2)) (.cse6 (= ~pumpRunning~0 0)) (.cse0 (= test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~waterLevel~0 1))) (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3 .cse1 .cse4)) .cse5) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (= ~switchedOnBeforeTS~0 1) .cse5) (and .cse6 .cse0 .cse3 .cse1 .cse4) (and .cse6 .cse0 .cse1 .cse2))) [2023-04-01 12:09:35,723 INFO L899 garLoopResultBuilder]: For program point L587(lines 587 593) no Hoare annotation was computed. [2023-04-01 12:09:35,723 INFO L899 garLoopResultBuilder]: For program point L587-1(lines 587 593) no Hoare annotation was computed. [2023-04-01 12:09:35,723 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 567 632) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-01 12:09:35,723 INFO L895 garLoopResultBuilder]: At program point L625(lines 576 626) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-01 12:09:35,723 INFO L895 garLoopResultBuilder]: At program point L615-2(lines 607 620) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 1)) (.cse1 (< 1 ~waterLevel~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse5 (= ~pumpRunning~0 0)) (.cse0 (= test_~splverifierCounter~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (not (= |old(~pumpRunning~0)| 0)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse2 (= ~switchedOnBeforeTS~0 1) .cse4) (and .cse5 .cse0 .cse1 .cse2 .cse3) (and .cse5 .cse0 .cse2 (= ~waterLevel~0 1)))) [2023-04-01 12:09:35,723 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 567 632) no Hoare annotation was computed. [2023-04-01 12:09:35,723 INFO L899 garLoopResultBuilder]: For program point L578(lines 577 624) no Hoare annotation was computed. [2023-04-01 12:09:35,724 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 517 539) no Hoare annotation was computed. [2023-04-01 12:09:35,724 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 517 539) no Hoare annotation was computed. [2023-04-01 12:09:35,724 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 703 710) no Hoare annotation was computed. [2023-04-01 12:09:35,724 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 703 710) the Hoare annotation is: (or (< 2 ~waterLevel~0) (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0)) (<= ~waterLevel~0 1) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) [2023-04-01 12:09:35,724 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 540 548) the Hoare annotation is: true [2023-04-01 12:09:35,724 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 540 548) no Hoare annotation was computed. [2023-04-01 12:09:35,724 INFO L899 garLoopResultBuilder]: For program point isHighWaterLevelEXIT(lines 775 793) no Hoare annotation was computed. [2023-04-01 12:09:35,724 INFO L902 garLoopResultBuilder]: At program point L782(line 782) the Hoare annotation is: true [2023-04-01 12:09:35,724 INFO L899 garLoopResultBuilder]: For program point L782-1(line 782) no Hoare annotation was computed. [2023-04-01 12:09:35,724 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 775 793) the Hoare annotation is: true [2023-04-01 12:09:35,725 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 508 516) no Hoare annotation was computed. [2023-04-01 12:09:35,725 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 508 516) no Hoare annotation was computed. [2023-04-01 12:09:35,725 INFO L895 garLoopResultBuilder]: At program point L659(line 659) the Hoare annotation is: (let ((.cse5 (= ~switchedOnBeforeTS~0 1)) (.cse2 (= ~waterLevel~0 1)) (.cse6 (= ~pumpRunning~0 1)) (.cse7 (not (= |old(~pumpRunning~0)| 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (= 1 ~systemActive~0))) (.cse8 (<= |old(~waterLevel~0)| 1)) (.cse9 (< 2 |old(~waterLevel~0)|)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (= ~switchedOnBeforeTS~0 0))) (and (or .cse0 (and .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) .cse4) (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (and .cse5 .cse6) .cse4 .cse7) (or .cse4 (and .cse5 .cse2 .cse6) .cse7 .cse8 .cse9) (or .cse0 .cse4 .cse8 .cse9 (and .cse1 (= |old(~waterLevel~0)| ~waterLevel~0) .cse3)))) [2023-04-01 12:09:35,725 INFO L895 garLoopResultBuilder]: At program point L657(lines 657 663) the Hoare annotation is: (let ((.cse5 (= ~switchedOnBeforeTS~0 1)) (.cse2 (= ~waterLevel~0 1)) (.cse7 (not (= |old(~pumpRunning~0)| 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (= 1 ~systemActive~0))) (.cse8 (<= |old(~waterLevel~0)| 1)) (.cse9 (< 2 |old(~waterLevel~0)|)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (= ~switchedOnBeforeTS~0 0)) (.cse6 (= ~pumpRunning~0 1))) (and (or .cse0 (and .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) .cse4) (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (and .cse5 .cse6) .cse4 .cse7) (or .cse4 (and .cse5 .cse2 .cse6) .cse7 .cse8 .cse9) (let ((.cse10 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse0 .cse4 .cse8 .cse9 (and .cse1 .cse10 .cse3) (and .cse10 .cse6))))) [2023-04-01 12:09:35,725 INFO L895 garLoopResultBuilder]: At program point L652(line 652) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (= ~switchedOnBeforeTS~0 1)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (= ~pumpRunning~0 1)) (.cse1 (not (= 1 ~systemActive~0))) (.cse7 (not (= |old(~pumpRunning~0)| 1))) (.cse2 (<= |old(~waterLevel~0)| 1)) (.cse3 (< 2 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1) (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (and .cse4 (or .cse5 (= ~waterLevel~0 1)) .cse6) .cse1 .cse7) (or (and .cse4 .cse5 .cse6) .cse1 .cse7 .cse2 .cse3))) [2023-04-01 12:09:35,725 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 643 669) no Hoare annotation was computed. [2023-04-01 12:09:35,725 INFO L899 garLoopResultBuilder]: For program point L650(lines 646 668) no Hoare annotation was computed. [2023-04-01 12:09:35,726 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 643 669) the Hoare annotation is: (let ((.cse7 (= ~pumpRunning~0 0)) (.cse3 (<= |old(~waterLevel~0)| 1)) (.cse4 (< 2 |old(~waterLevel~0)|)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse8 (= ~waterLevel~0 1)) (.cse11 (= ~pumpRunning~0 1)) (.cse10 (not (= |old(~pumpRunning~0)| 1))) (.cse0 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse2 (not (= 1 ~systemActive~0))) (.cse5 (= ~switchedOnBeforeTS~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse6 .cse2 (and .cse7 .cse8)) (or .cse1 (and .cse7 .cse9) .cse2 .cse3 .cse4) (or .cse2 .cse10 .cse3 .cse4 (and .cse9 .cse11)) (or .cse0 (and (= ~switchedOnBeforeTS~0 1) (or .cse9 .cse8) .cse11) .cse2 .cse10) (or .cse0 .cse1 .cse6 .cse2 .cse5))) [2023-04-01 12:09:35,726 INFO L899 garLoopResultBuilder]: For program point L648(lines 646 668) no Hoare annotation was computed. [2023-04-01 12:09:35,726 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 643 669) no Hoare annotation was computed. [2023-04-01 12:09:35,726 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 853 882) no Hoare annotation was computed. [2023-04-01 12:09:35,726 INFO L902 garLoopResultBuilder]: At program point L863-2(lines 863 877) the Hoare annotation is: true [2023-04-01 12:09:35,726 INFO L902 garLoopResultBuilder]: At program point L859(line 859) the Hoare annotation is: true [2023-04-01 12:09:35,726 INFO L899 garLoopResultBuilder]: For program point L859-1(line 859) no Hoare annotation was computed. [2023-04-01 12:09:35,726 INFO L902 garLoopResultBuilder]: At program point L878(lines 853 882) the Hoare annotation is: true [2023-04-01 12:09:35,726 INFO L899 garLoopResultBuilder]: For program point L874(line 874) no Hoare annotation was computed. [2023-04-01 12:09:35,727 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 853 882) the Hoare annotation is: true [2023-04-01 12:09:35,727 INFO L899 garLoopResultBuilder]: For program point L867(lines 867 871) no Hoare annotation was computed. [2023-04-01 12:09:35,727 INFO L902 garLoopResultBuilder]: At program point L867-1(lines 867 871) the Hoare annotation is: true [2023-04-01 12:09:35,727 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 472 483) no Hoare annotation was computed. [2023-04-01 12:09:35,727 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 472 483) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~pumpRunning~0 1))) (.cse2 (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0))) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3 (= ~waterLevel~0 1)) (or .cse0 .cse1 .cse2 .cse3 (<= |old(~waterLevel~0)| 1) (< 2 |old(~waterLevel~0)|)))) [2023-04-01 12:09:35,727 INFO L899 garLoopResultBuilder]: For program point startSystemEXIT(lines 794 801) no Hoare annotation was computed. [2023-04-01 12:09:35,727 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 794 801) the Hoare annotation is: (let ((.cse3 (< 2 ~waterLevel~0)) (.cse0 (not (= ~pumpRunning~0 0))) (.cse4 (<= ~waterLevel~0 1)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (not (= |old(~systemActive~0)| 1))) (.cse5 (not (= ~pumpRunning~0 1)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse1 .cse2 .cse5) (or .cse3 .cse0 .cse4 .cse1 .cse2) (or .cse1 .cse2 .cse5 (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0))))) [2023-04-01 12:09:35,727 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 484 495) no Hoare annotation was computed. [2023-04-01 12:09:35,728 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 484 495) the Hoare annotation is: (let ((.cse7 (not (= |old(~waterLevel~0)| 1))) (.cse0 (not (= 1 ~systemActive~0))) (.cse5 (<= |old(~waterLevel~0)| 1)) (.cse6 (< 2 |old(~waterLevel~0)|)) (.cse1 (not (= ~pumpRunning~0 1))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (= ~waterLevel~0 1))) (and (or .cse0 .cse1 (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse2 .cse3) (or .cse2 .cse3 (let ((.cse4 (not (= ~pumpRunning~0 0)))) (and (or .cse4 .cse0 .cse5 .cse6) (or .cse4 .cse7 .cse0)))) (or (and (or .cse7 .cse0) (or .cse0 .cse5 .cse6)) .cse1 .cse2 .cse3))) [2023-04-01 12:09:35,728 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 88 95) the Hoare annotation is: true [2023-04-01 12:09:35,728 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 92) no Hoare annotation was computed. [2023-04-01 12:09:35,728 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 88 95) no Hoare annotation was computed. [2023-04-01 12:09:35,728 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 71 77) the Hoare annotation is: true [2023-04-01 12:09:35,728 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 71 77) no Hoare annotation was computed. [2023-04-01 12:09:35,728 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification5_spec__1EXIT(lines 804 811) no Hoare annotation was computed. [2023-04-01 12:09:35,728 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 804 811) the Hoare annotation is: (or (not (= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (not (= ~waterLevel~0 1)) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= ~switchedOnBeforeTS~0 0)) [2023-04-01 12:09:35,728 INFO L899 garLoopResultBuilder]: For program point L817(line 817) no Hoare annotation was computed. [2023-04-01 12:09:35,729 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification5_spec__2EXIT(lines 812 821) no Hoare annotation was computed. [2023-04-01 12:09:35,729 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 812 821) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|))) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (= ~switchedOnBeforeTS~0 0))) (and (or .cse0 (not (= ~waterLevel~0 1)) .cse1 .cse2 .cse3) (or .cse0 .cse2 (= ~switchedOnBeforeTS~0 1) (not (= ~pumpRunning~0 1))) (or .cse0 (< 2 ~waterLevel~0) .cse1 .cse2 (<= ~waterLevel~0 1) .cse3))) [2023-04-01 12:09:35,729 INFO L895 garLoopResultBuilder]: At program point L832(line 832) the Hoare annotation is: (let ((.cse0 (< 2 ~waterLevel~0)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (<= ~waterLevel~0 1))) (and (or .cse0 .cse1 .cse2 (not (= ~pumpRunning~0 1))) (or .cse0 (not (= ~pumpRunning~0 0)) .cse1 .cse2 (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0))))) [2023-04-01 12:09:35,729 INFO L899 garLoopResultBuilder]: For program point L832-1(line 832) no Hoare annotation was computed. [2023-04-01 12:09:35,729 INFO L899 garLoopResultBuilder]: For program point L830(lines 830 847) no Hoare annotation was computed. [2023-04-01 12:09:35,729 INFO L899 garLoopResultBuilder]: For program point L830-1(lines 822 850) no Hoare annotation was computed. [2023-04-01 12:09:35,729 INFO L902 garLoopResultBuilder]: At program point L828(line 828) the Hoare annotation is: true [2023-04-01 12:09:35,729 INFO L899 garLoopResultBuilder]: For program point L828-1(line 828) no Hoare annotation was computed. [2023-04-01 12:09:35,730 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification5_spec__3EXIT(lines 822 850) no Hoare annotation was computed. [2023-04-01 12:09:35,730 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 822 850) the Hoare annotation is: true [2023-04-01 12:09:35,730 INFO L895 garLoopResultBuilder]: At program point L837(line 837) the Hoare annotation is: (let ((.cse3 (not (= ~pumpRunning~0 1))) (.cse0 (< 2 ~waterLevel~0)) (.cse4 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (<= ~waterLevel~0 1)) (.cse5 (not (= ~pumpRunning~0 ~switchedOnBeforeTS~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (= ~waterLevel~0 1)) .cse4 .cse1 .cse5) (or .cse1 .cse3 .cse5) (or .cse0 .cse4 .cse1 .cse2 .cse5))) [2023-04-01 12:09:35,730 INFO L899 garLoopResultBuilder]: For program point L835(lines 835 841) no Hoare annotation was computed. [2023-04-01 12:09:35,730 INFO L899 garLoopResultBuilder]: For program point L834(lines 834 844) no Hoare annotation was computed. [2023-04-01 12:09:35,730 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 730 738) no Hoare annotation was computed. [2023-04-01 12:09:35,730 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 730 738) the Hoare annotation is: true [2023-04-01 12:09:35,730 INFO L899 garLoopResultBuilder]: For program point L769(line 769) no Hoare annotation was computed. [2023-04-01 12:09:35,730 INFO L899 garLoopResultBuilder]: For program point L769-1(line 769) no Hoare annotation was computed. [2023-04-01 12:09:35,730 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 739 774) no Hoare annotation was computed. [2023-04-01 12:09:35,731 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 739 774) no Hoare annotation was computed. [2023-04-01 12:09:35,731 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 103 148) no Hoare annotation was computed. [2023-04-01 12:09:35,731 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 103 148) no Hoare annotation was computed. [2023-04-01 12:09:35,731 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 914 924) no Hoare annotation was computed. [2023-04-01 12:09:35,731 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 914 924) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 0)) (not (= |old(~systemActive~0)| 1))) [2023-04-01 12:09:35,731 INFO L895 garLoopResultBuilder]: At program point L919(line 919) the Hoare annotation is: (or (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1))) [2023-04-01 12:09:35,731 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 914 924) no Hoare annotation was computed. [2023-04-01 12:09:35,731 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 719 729) no Hoare annotation was computed. [2023-04-01 12:09:35,731 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 719 729) no Hoare annotation was computed. [2023-04-01 12:09:35,731 INFO L899 garLoopResultBuilder]: For program point L724(line 724) no Hoare annotation was computed. [2023-04-01 12:09:35,732 INFO L899 garLoopResultBuilder]: For program point L724-1(line 724) no Hoare annotation was computed. [2023-04-01 12:09:35,732 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 711 718) no Hoare annotation was computed. [2023-04-01 12:09:35,732 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 711 718) no Hoare annotation was computed. [2023-04-01 12:09:35,732 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 370 415) no Hoare annotation was computed. [2023-04-01 12:09:35,732 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 370 415) no Hoare annotation was computed. [2023-04-01 12:09:35,732 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 54 63) no Hoare annotation was computed. [2023-04-01 12:09:35,732 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 54 63) no Hoare annotation was computed. [2023-04-01 12:09:35,732 INFO L899 garLoopResultBuilder]: For program point L316-2(lines 316 336) no Hoare annotation was computed. [2023-04-01 12:09:35,732 INFO L899 garLoopResultBuilder]: For program point L337(lines 315 338) no Hoare annotation was computed. [2023-04-01 12:09:35,732 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 267 369) no Hoare annotation was computed. [2023-04-01 12:09:35,732 INFO L899 garLoopResultBuilder]: For program point L296(lines 296 312) no Hoare annotation was computed. [2023-04-01 12:09:35,732 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 267 369) no Hoare annotation was computed. [2023-04-01 12:09:35,732 INFO L899 garLoopResultBuilder]: For program point L317(lines 316 336) no Hoare annotation was computed. [2023-04-01 12:09:35,733 INFO L899 garLoopResultBuilder]: For program point L348(line 348) no Hoare annotation was computed. [2023-04-01 12:09:35,733 INFO L899 garLoopResultBuilder]: For program point L348-1(line 348) no Hoare annotation was computed. [2023-04-01 12:09:35,733 INFO L899 garLoopResultBuilder]: For program point L313(lines 313 354) no Hoare annotation was computed. [2023-04-01 12:09:35,733 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 267 369) no Hoare annotation was computed. [2023-04-01 12:09:35,733 INFO L899 garLoopResultBuilder]: For program point L332(line 332) no Hoare annotation was computed. [2023-04-01 12:09:35,733 INFO L899 garLoopResultBuilder]: For program point L332-1(line 332) no Hoare annotation was computed. [2023-04-01 12:09:35,733 INFO L899 garLoopResultBuilder]: For program point L291(lines 291 295) no Hoare annotation was computed. [2023-04-01 12:09:35,733 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (= |old(~waterLevel~0)| ~waterLevel~0) (= ~waterLevel~0 1))) [2023-04-01 12:09:35,733 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-01 12:09:35,733 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-04-01 12:09:35,733 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-04-01 12:09:35,734 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 496 507) the Hoare annotation is: true [2023-04-01 12:09:35,734 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 496 507) no Hoare annotation was computed. [2023-04-01 12:09:35,734 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 907 913) no Hoare annotation was computed. [2023-04-01 12:09:35,734 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 907 913) the Hoare annotation is: true [2023-04-01 12:09:35,734 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-01 12:09:35,734 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1) (= ~switchedOnBeforeTS~0 0)) [2023-04-01 12:09:35,734 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-01 12:09:35,734 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-01 12:09:35,737 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 12:09:35,739 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-01 12:09:35,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.04 12:09:35 BoogieIcfgContainer [2023-04-01 12:09:35,751 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-01 12:09:35,752 INFO L158 Benchmark]: Toolchain (without parser) took 45079.10ms. Allocated memory was 224.4MB in the beginning and 942.7MB in the end (delta: 718.3MB). Free memory was 174.9MB in the beginning and 528.9MB in the end (delta: -354.0MB). Peak memory consumption was 365.7MB. Max. memory is 8.0GB. [2023-04-01 12:09:35,752 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 186.6MB. Free memory is still 134.8MB. There was no memory consumed. Max. memory is 8.0GB. [2023-04-01 12:09:35,752 INFO L158 Benchmark]: CACSL2BoogieTranslator took 395.19ms. Allocated memory is still 224.4MB. Free memory was 174.9MB in the beginning and 156.5MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-04-01 12:09:35,752 INFO L158 Benchmark]: Boogie Preprocessor took 57.69ms. Allocated memory is still 224.4MB. Free memory was 156.5MB in the beginning and 152.9MB in the end (delta: 3.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-04-01 12:09:35,753 INFO L158 Benchmark]: RCFGBuilder took 966.19ms. Allocated memory is still 224.4MB. Free memory was 152.9MB in the beginning and 159.7MB in the end (delta: -6.8MB). Peak memory consumption was 35.6MB. Max. memory is 8.0GB. [2023-04-01 12:09:35,753 INFO L158 Benchmark]: TraceAbstraction took 43654.29ms. Allocated memory was 224.4MB in the beginning and 942.7MB in the end (delta: 718.3MB). Free memory was 159.2MB in the beginning and 528.9MB in the end (delta: -369.7MB). Peak memory consumption was 349.0MB. Max. memory is 8.0GB. [2023-04-01 12:09:35,754 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 186.6MB. Free memory is still 134.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 395.19ms. Allocated memory is still 224.4MB. Free memory was 174.9MB in the beginning and 156.5MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 57.69ms. Allocated memory is still 224.4MB. Free memory was 156.5MB in the beginning and 152.9MB in the end (delta: 3.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 966.19ms. Allocated memory is still 224.4MB. Free memory was 152.9MB in the beginning and 159.7MB in the end (delta: -6.8MB). Peak memory consumption was 35.6MB. Max. memory is 8.0GB. * TraceAbstraction took 43654.29ms. Allocated memory was 224.4MB in the beginning and 942.7MB in the end (delta: 718.3MB). Free memory was 159.2MB in the beginning and 528.9MB in the end (delta: -369.7MB). Peak memory consumption was 349.0MB. 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: 92]: 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 41 procedures, 180 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 43.6s, OverallIterations: 8, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 964 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 916 mSDsluCounter, 3231 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2439 mSDsCounter, 410 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2959 IncrementalHoareTripleChecker+Invalid, 3369 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 410 mSolverCounterUnsat, 792 mSDtfsCounter, 2959 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 465 GetRequests, 318 SyntacticMatches, 8 SemanticMatches, 139 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2924 ImplicationChecksByTransitivity, 21.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=574occurred in iteration=7, InterpolantAutomatonStates: 76, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 160 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 737 PreInvPairs, 791 NumberOfFragments, 1784 HoareAnnotationTreeSize, 737 FomulaSimplifications, 2924 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 54 FomulaSimplificationsInter, 4835 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 675 NumberOfCodeBlocks, 675 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 779 ConstructedInterpolants, 0 QuantifiedInterpolants, 1513 SizeOfPredicates, 3 NumberOfNonLiveVariables, 475 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 10 InterpolantComputations, 7 PerfectInterpolantSequences, 91/110 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: 853]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || ((((splverifierCounter == 0 && 1 < waterLevel) && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1)) || !(\old(waterLevel) == 1)) || !(\old(systemActive) == 1)) || (((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && pumpRunning == 1)) || (((((pumpRunning == 0 && splverifierCounter == 0) && 1 < waterLevel) && 1 == systemActive) && waterLevel <= 2) && pumpRunning == switchedOnBeforeTS)) || (((pumpRunning == 0 && splverifierCounter == 0) && 1 == systemActive) && waterLevel == 1) - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(\old(systemActive) == 1) - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-04-01 12:09:35,784 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...