/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 IntervalDomain -i ../sv-benchmarks/c/product-lines/minepump_spec4_product02.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 23:55:14,827 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 23:55:14,829 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 23:55:14,870 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 23:55:14,871 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 23:55:14,874 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 23:55:14,875 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 23:55:14,876 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 23:55:14,878 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 23:55:14,884 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 23:55:14,884 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 23:55:14,885 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 23:55:14,885 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 23:55:14,886 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 23:55:14,887 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 23:55:14,888 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 23:55:14,888 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 23:55:14,889 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 23:55:14,890 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 23:55:14,891 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 23:55:14,892 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 23:55:14,893 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 23:55:14,894 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 23:55:14,895 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 23:55:14,898 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 23:55:14,898 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 23:55:14,898 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 23:55:14,899 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 23:55:14,900 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 23:55:14,900 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 23:55:14,901 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 23:55:14,901 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 23:55:14,902 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 23:55:14,902 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 23:55:14,903 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 23:55:14,903 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 23:55:14,904 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 23:55:14,904 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 23:55:14,904 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 23:55:14,905 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 23:55:14,906 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 23:55:14,907 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 [2023-03-31 23:55:14,934 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 23:55:14,934 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 23:55:14,934 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 23:55:14,935 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 23:55:14,935 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 23:55:14,935 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 23:55:14,936 INFO L138 SettingsManager]: * User list type=DISABLED [2023-03-31 23:55:14,936 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-03-31 23:55:14,936 INFO L138 SettingsManager]: * Explicit value domain=true [2023-03-31 23:55:14,936 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-03-31 23:55:14,941 INFO L138 SettingsManager]: * Octagon Domain=false [2023-03-31 23:55:14,942 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-03-31 23:55:14,942 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-03-31 23:55:14,942 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-03-31 23:55:14,942 INFO L138 SettingsManager]: * Interval Domain=false [2023-03-31 23:55:14,942 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-03-31 23:55:14,942 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-03-31 23:55:14,942 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-03-31 23:55:14,943 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 23:55:14,943 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 23:55:14,943 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 23:55:14,944 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 23:55:14,944 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 23:55:14,944 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 23:55:14,944 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 23:55:14,944 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 23:55:14,945 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 23:55:14,945 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 23:55:14,945 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 23:55:14,945 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 23:55:14,945 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 23:55:14,945 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 23:55:14,945 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 23:55:14,946 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 23:55:14,946 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-03-31 23:55:14,946 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 23:55:14,946 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 23:55:14,946 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-03-31 23:55:14,946 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 23:55:14,946 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 23:55:14,946 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-03-31 23:55:14,947 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2023-03-31 23:55:15,175 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 23:55:15,197 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 23:55:15,200 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 23:55:15,201 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 23:55:15,205 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 23:55:15,206 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product02.cil.c [2023-03-31 23:55:16,480 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 23:55:16,708 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 23:55:16,713 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product02.cil.c [2023-03-31 23:55:16,723 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d5a83866/b8ce88882f4a42e5ae8f6dd08e546db4/FLAGd61e9c91f [2023-03-31 23:55:16,738 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8d5a83866/b8ce88882f4a42e5ae8f6dd08e546db4 [2023-03-31 23:55:16,742 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 23:55:16,743 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 23:55:16,746 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 23:55:16,747 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 23:55:16,749 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 23:55:16,750 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 11:55:16" (1/1) ... [2023-03-31 23:55:16,751 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c4465d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:55:16, skipping insertion in model container [2023-03-31 23:55:16,752 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 11:55:16" (1/1) ... [2023-03-31 23:55:16,758 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 23:55:16,809 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 23:55:16,924 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_spec4_product02.cil.c[1605,1618] [2023-03-31 23:55:17,048 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 23:55:17,062 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 23:55:17,080 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_spec4_product02.cil.c[1605,1618] [2023-03-31 23:55:17,139 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 23:55:17,154 INFO L208 MainTranslator]: Completed translation [2023-03-31 23:55:17,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:55:17 WrapperNode [2023-03-31 23:55:17,155 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 23:55:17,156 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 23:55:17,156 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 23:55:17,156 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 23:55:17,167 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:55:17" (1/1) ... [2023-03-31 23:55:17,167 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:55:17" (1/1) ... [2023-03-31 23:55:17,186 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:55:17" (1/1) ... [2023-03-31 23:55:17,187 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:55:17" (1/1) ... [2023-03-31 23:55:17,205 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:55:17" (1/1) ... [2023-03-31 23:55:17,211 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:55:17" (1/1) ... [2023-03-31 23:55:17,214 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:55:17" (1/1) ... [2023-03-31 23:55:17,216 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:55:17" (1/1) ... [2023-03-31 23:55:17,220 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 23:55:17,221 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 23:55:17,221 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 23:55:17,221 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 23:55:17,222 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:55:17" (1/1) ... [2023-03-31 23:55:17,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 23:55:17,239 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 23:55:17,249 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) [2023-03-31 23:55:17,251 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 [2023-03-31 23:55:17,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 23:55:17,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 23:55:17,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-03-31 23:55:17,283 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 23:55:17,283 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-03-31 23:55:17,283 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-03-31 23:55:17,283 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-03-31 23:55:17,283 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-03-31 23:55:17,284 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-03-31 23:55:17,284 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-03-31 23:55:17,284 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2023-03-31 23:55:17,284 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2023-03-31 23:55:17,284 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-03-31 23:55:17,284 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-03-31 23:55:17,284 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-03-31 23:55:17,284 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2023-03-31 23:55:17,285 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2023-03-31 23:55:17,285 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-03-31 23:55:17,285 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2023-03-31 23:55:17,285 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-03-31 23:55:17,285 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-03-31 23:55:17,285 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-03-31 23:55:17,285 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2023-03-31 23:55:17,285 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2023-03-31 23:55:17,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2023-03-31 23:55:17,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-03-31 23:55:17,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-03-31 23:55:17,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-03-31 23:55:17,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-03-31 23:55:17,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-03-31 23:55:17,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-03-31 23:55:17,286 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-03-31 23:55:17,286 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2023-03-31 23:55:17,286 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-03-31 23:55:17,286 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2023-03-31 23:55:17,287 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 23:55:17,287 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 23:55:17,287 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 23:55:17,287 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 23:55:17,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 23:55:17,287 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 23:55:17,287 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-03-31 23:55:17,287 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-03-31 23:55:17,287 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-03-31 23:55:17,288 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-03-31 23:55:17,288 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-03-31 23:55:17,288 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-03-31 23:55:17,288 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2023-03-31 23:55:17,288 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-03-31 23:55:17,288 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2023-03-31 23:55:17,288 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-03-31 23:55:17,288 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2023-03-31 23:55:17,288 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-03-31 23:55:17,289 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-03-31 23:55:17,289 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2023-03-31 23:55:17,289 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2023-03-31 23:55:17,289 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2023-03-31 23:55:17,289 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2023-03-31 23:55:17,289 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-03-31 23:55:17,289 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-03-31 23:55:17,289 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-03-31 23:55:17,290 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-03-31 23:55:17,290 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-03-31 23:55:17,290 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2023-03-31 23:55:17,290 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-31 23:55:17,290 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-03-31 23:55:17,290 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-03-31 23:55:17,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-31 23:55:17,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-31 23:55:17,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 23:55:17,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-31 23:55:17,291 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-03-31 23:55:17,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 23:55:17,291 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-03-31 23:55:17,291 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-03-31 23:55:17,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 23:55:17,291 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-03-31 23:55:17,291 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-03-31 23:55:17,291 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-03-31 23:55:17,292 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2023-03-31 23:55:17,292 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-03-31 23:55:17,292 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2023-03-31 23:55:17,292 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 23:55:17,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 23:55:17,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 23:55:17,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 23:55:17,447 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 23:55:17,450 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 23:55:17,972 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 23:55:18,093 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 23:55:18,094 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-03-31 23:55:18,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 11:55:18 BoogieIcfgContainer [2023-03-31 23:55:18,097 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 23:55:18,099 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 23:55:18,100 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 23:55:18,102 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 23:55:18,102 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 11:55:16" (1/3) ... [2023-03-31 23:55:18,103 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51adc05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 11:55:18, skipping insertion in model container [2023-03-31 23:55:18,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 11:55:17" (2/3) ... [2023-03-31 23:55:18,103 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51adc05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 11:55:18, skipping insertion in model container [2023-03-31 23:55:18,104 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 11:55:18" (3/3) ... [2023-03-31 23:55:18,105 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product02.cil.c [2023-03-31 23:55:18,121 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 23:55:18,121 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 23:55:18,173 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 23:55:18,181 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;@e051875, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-03-31 23:55:18,181 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 23:55:18,184 INFO L276 IsEmpty]: Start isEmpty. Operand has 107 states, 47 states have (on average 1.2765957446808511) internal successors, (60), 56 states have internal predecessors, (60), 36 states have call successors, (36), 21 states have call predecessors, (36), 21 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2023-03-31 23:55:18,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-03-31 23:55:18,191 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:55:18,191 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:55:18,192 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:55:18,196 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:55:18,197 INFO L85 PathProgramCache]: Analyzing trace with hash 1469489906, now seen corresponding path program 1 times [2023-03-31 23:55:18,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:55:18,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573383566] [2023-03-31 23:55:18,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:55:18,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:55:18,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:55:18,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 23:55:18,402 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:55:18,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573383566] [2023-03-31 23:55:18,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573383566] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:55:18,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:55:18,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-03-31 23:55:18,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673967621] [2023-03-31 23:55:18,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:55:18,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-03-31 23:55:18,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:55:18,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-03-31 23:55:18,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-03-31 23:55:18,447 INFO L87 Difference]: Start difference. First operand has 107 states, 47 states have (on average 1.2765957446808511) internal successors, (60), 56 states have internal predecessors, (60), 36 states have call successors, (36), 21 states have call predecessors, (36), 21 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-03-31 23:55:18,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:55:18,503 INFO L93 Difference]: Finished difference Result 147 states and 178 transitions. [2023-03-31 23:55:18,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-31 23:55:18,506 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 42 [2023-03-31 23:55:18,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:55:18,511 INFO L225 Difference]: With dead ends: 147 [2023-03-31 23:55:18,511 INFO L226 Difference]: Without dead ends: 74 [2023-03-31 23:55:18,513 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 [2023-03-31 23:55:18,515 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-03-31 23:55:18,516 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 82 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 23:55:18,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2023-03-31 23:55:18,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2023-03-31 23:55:18,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 38 states have (on average 1.2105263157894737) internal successors, (46), 44 states have internal predecessors, (46), 21 states have call successors, (21), 19 states have call predecessors, (21), 14 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2023-03-31 23:55:18,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 83 transitions. [2023-03-31 23:55:18,544 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 83 transitions. Word has length 42 [2023-03-31 23:55:18,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:55:18,544 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 83 transitions. [2023-03-31 23:55:18,544 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-03-31 23:55:18,544 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 83 transitions. [2023-03-31 23:55:18,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-03-31 23:55:18,546 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:55:18,546 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:55:18,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-31 23:55:18,546 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:55:18,547 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:55:18,547 INFO L85 PathProgramCache]: Analyzing trace with hash 406833965, now seen corresponding path program 1 times [2023-03-31 23:55:18,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:55:18,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046338314] [2023-03-31 23:55:18,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:55:18,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:55:18,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:55:18,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 23:55:18,682 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:55:18,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046338314] [2023-03-31 23:55:18,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046338314] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:55:18,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:55:18,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-03-31 23:55:18,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110356161] [2023-03-31 23:55:18,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:55:18,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 23:55:18,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:55:18,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 23:55:18,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-31 23:55:18,685 INFO L87 Difference]: Start difference. First operand 74 states and 83 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-03-31 23:55:18,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:55:18,719 INFO L93 Difference]: Finished difference Result 101 states and 112 transitions. [2023-03-31 23:55:18,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 23:55:18,720 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 43 [2023-03-31 23:55:18,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:55:18,725 INFO L225 Difference]: With dead ends: 101 [2023-03-31 23:55:18,725 INFO L226 Difference]: Without dead ends: 66 [2023-03-31 23:55:18,728 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 [2023-03-31 23:55:18,729 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 9 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-03-31 23:55:18,730 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 111 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 23:55:18,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2023-03-31 23:55:18,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2023-03-31 23:55:18,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 33 states have (on average 1.2121212121212122) internal successors, (40), 39 states have internal predecessors, (40), 18 states have call successors, (18), 18 states have call predecessors, (18), 14 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-03-31 23:55:18,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 72 transitions. [2023-03-31 23:55:18,745 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 72 transitions. Word has length 43 [2023-03-31 23:55:18,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:55:18,746 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 72 transitions. [2023-03-31 23:55:18,746 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-03-31 23:55:18,746 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 72 transitions. [2023-03-31 23:55:18,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-03-31 23:55:18,748 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:55:18,748 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:55:18,748 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-03-31 23:55:18,748 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:55:18,749 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:55:18,749 INFO L85 PathProgramCache]: Analyzing trace with hash -103600157, now seen corresponding path program 1 times [2023-03-31 23:55:18,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:55:18,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417835419] [2023-03-31 23:55:18,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:55:18,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:55:18,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:55:18,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 23:55:18,971 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:55:18,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417835419] [2023-03-31 23:55:18,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417835419] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:55:18,973 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:55:18,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-03-31 23:55:18,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139677831] [2023-03-31 23:55:18,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:55:18,974 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-03-31 23:55:18,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:55:18,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-03-31 23:55:18,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-03-31 23:55:18,976 INFO L87 Difference]: Start difference. First operand 66 states and 72 transitions. Second operand has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 4 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-03-31 23:55:19,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:55:19,131 INFO L93 Difference]: Finished difference Result 110 states and 123 transitions. [2023-03-31 23:55:19,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-03-31 23:55:19,136 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 4 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) Word has length 46 [2023-03-31 23:55:19,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:55:19,138 INFO L225 Difference]: With dead ends: 110 [2023-03-31 23:55:19,138 INFO L226 Difference]: Without dead ends: 66 [2023-03-31 23:55:19,141 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 [2023-03-31 23:55:19,144 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 87 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-03-31 23:55:19,146 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 167 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-03-31 23:55:19,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2023-03-31 23:55:19,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2023-03-31 23:55:19,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 33 states have (on average 1.1818181818181819) internal successors, (39), 38 states have internal predecessors, (39), 18 states have call successors, (18), 18 states have call predecessors, (18), 14 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-03-31 23:55:19,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 71 transitions. [2023-03-31 23:55:19,160 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 71 transitions. Word has length 46 [2023-03-31 23:55:19,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:55:19,160 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 71 transitions. [2023-03-31 23:55:19,161 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 states have internal predecessors, (26), 4 states have call successors, (13), 4 states have call predecessors, (13), 3 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2023-03-31 23:55:19,161 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 71 transitions. [2023-03-31 23:55:19,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-03-31 23:55:19,162 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:55:19,162 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:55:19,162 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-03-31 23:55:19,163 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:55:19,163 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:55:19,163 INFO L85 PathProgramCache]: Analyzing trace with hash 1404387911, now seen corresponding path program 1 times [2023-03-31 23:55:19,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:55:19,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546856952] [2023-03-31 23:55:19,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:55:19,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:55:19,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:55:19,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 23:55:19,389 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:55:19,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546856952] [2023-03-31 23:55:19,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546856952] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:55:19,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:55:19,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-03-31 23:55:19,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231315781] [2023-03-31 23:55:19,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:55:19,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-03-31 23:55:19,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:55:19,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-03-31 23:55:19,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2023-03-31 23:55:19,392 INFO L87 Difference]: Start difference. First operand 66 states and 71 transitions. Second operand has 10 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 4 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) [2023-03-31 23:55:19,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:55:19,666 INFO L93 Difference]: Finished difference Result 181 states and 210 transitions. [2023-03-31 23:55:19,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-03-31 23:55:19,666 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 4 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) Word has length 49 [2023-03-31 23:55:19,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:55:19,671 INFO L225 Difference]: With dead ends: 181 [2023-03-31 23:55:19,672 INFO L226 Difference]: Without dead ends: 137 [2023-03-31 23:55:19,673 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2023-03-31 23:55:19,673 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 72 mSDsluCounter, 337 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 393 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-03-31 23:55:19,674 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 393 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-03-31 23:55:19,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2023-03-31 23:55:19,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 129. [2023-03-31 23:55:19,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 70 states have (on average 1.2) internal successors, (84), 80 states have internal predecessors, (84), 31 states have call successors, (31), 31 states have call predecessors, (31), 27 states have return successors, (29), 27 states have call predecessors, (29), 27 states have call successors, (29) [2023-03-31 23:55:19,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 144 transitions. [2023-03-31 23:55:19,710 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 144 transitions. Word has length 49 [2023-03-31 23:55:19,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:55:19,710 INFO L495 AbstractCegarLoop]: Abstraction has 129 states and 144 transitions. [2023-03-31 23:55:19,711 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 4 states have call successors, (14), 4 states have call predecessors, (14), 4 states have return successors, (8), 5 states have call predecessors, (8), 4 states have call successors, (8) [2023-03-31 23:55:19,711 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 144 transitions. [2023-03-31 23:55:19,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-03-31 23:55:19,712 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:55:19,713 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:55:19,713 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-03-31 23:55:19,713 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:55:19,713 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:55:19,714 INFO L85 PathProgramCache]: Analyzing trace with hash -922632535, now seen corresponding path program 1 times [2023-03-31 23:55:19,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:55:19,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137214376] [2023-03-31 23:55:19,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:55:19,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:55:19,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:55:19,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-03-31 23:55:19,801 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:55:19,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137214376] [2023-03-31 23:55:19,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137214376] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:55:19,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 23:55:19,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-03-31 23:55:19,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962625233] [2023-03-31 23:55:19,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:55:19,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 23:55:19,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:55:19,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 23:55:19,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-03-31 23:55:19,805 INFO L87 Difference]: Start difference. First operand 129 states and 144 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (16), 3 states have call predecessors, (16), 2 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) [2023-03-31 23:55:19,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:55:19,833 INFO L93 Difference]: Finished difference Result 170 states and 191 transitions. [2023-03-31 23:55:19,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 23:55:19,834 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (16), 3 states have call predecessors, (16), 2 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) Word has length 55 [2023-03-31 23:55:19,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:55:19,836 INFO L225 Difference]: With dead ends: 170 [2023-03-31 23:55:19,836 INFO L226 Difference]: Without dead ends: 126 [2023-03-31 23:55:19,840 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 [2023-03-31 23:55:19,842 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 44 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-03-31 23:55:19,843 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 58 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 23:55:19,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2023-03-31 23:55:19,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2023-03-31 23:55:19,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 69 states have (on average 1.1594202898550725) internal successors, (80), 78 states have internal predecessors, (80), 30 states have call successors, (30), 30 states have call predecessors, (30), 26 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-03-31 23:55:19,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 136 transitions. [2023-03-31 23:55:19,869 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 136 transitions. Word has length 55 [2023-03-31 23:55:19,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:55:19,869 INFO L495 AbstractCegarLoop]: Abstraction has 126 states and 136 transitions. [2023-03-31 23:55:19,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 3 states have call successors, (16), 3 states have call predecessors, (16), 2 states have return successors, (10), 2 states have call predecessors, (10), 3 states have call successors, (10) [2023-03-31 23:55:19,870 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 136 transitions. [2023-03-31 23:55:19,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-03-31 23:55:19,872 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:55:19,872 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-03-31 23:55:19,872 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-03-31 23:55:19,872 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:55:19,873 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:55:19,873 INFO L85 PathProgramCache]: Analyzing trace with hash 446597307, now seen corresponding path program 1 times [2023-03-31 23:55:19,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:55:19,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675601937] [2023-03-31 23:55:19,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:55:19,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:55:19,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:55:20,238 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 3 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-03-31 23:55:20,238 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:55:20,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675601937] [2023-03-31 23:55:20,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675601937] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 23:55:20,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2111273830] [2023-03-31 23:55:20,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:55:20,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 23:55:20,239 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 23:55:20,245 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) [2023-03-31 23:55:20,272 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-03-31 23:55:20,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:55:20,398 INFO L262 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 51 conjunts are in the unsatisfiable core [2023-03-31 23:55:20,408 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 23:55:20,687 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-03-31 23:55:20,687 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-31 23:55:21,194 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-03-31 23:55:21,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2111273830] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-31 23:55:21,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [621649126] [2023-03-31 23:55:21,220 INFO L159 IcfgInterpreter]: Started Sifa with 57 locations of interest [2023-03-31 23:55:21,221 INFO L166 IcfgInterpreter]: Building call graph [2023-03-31 23:55:21,224 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-03-31 23:55:21,229 INFO L176 IcfgInterpreter]: Starting interpretation [2023-03-31 23:55:21,229 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-03-31 23:55:21,544 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 28 for LOIs [2023-03-31 23:55:21,607 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 30 for LOIs [2023-03-31 23:55:21,763 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 30 for LOIs [2023-03-31 23:55:21,774 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 24 for LOIs [2023-03-31 23:55:21,777 INFO L197 IcfgInterpreter]: Interpreting procedure select_features with input of size 24 for LOIs [2023-03-31 23:55:21,780 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 30 for LOIs [2023-03-31 23:55:22,338 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 47 for LOIs [2023-03-31 23:55:22,374 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 25 for LOIs [2023-03-31 23:55:22,420 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 22 for LOIs [2023-03-31 23:55:22,484 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 22 for LOIs [2023-03-31 23:55:22,488 INFO L197 IcfgInterpreter]: Interpreting procedure getWaterLevel with input of size 22 for LOIs [2023-03-31 23:55:22,492 INFO L197 IcfgInterpreter]: Interpreting procedure valid_product with input of size 24 for LOIs [2023-03-31 23:55:22,497 INFO L197 IcfgInterpreter]: Interpreting procedure select_helpers with input of size 24 for LOIs [2023-03-31 23:55:22,500 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment with input of size 22 for LOIs [2023-03-31 23:55:22,526 INFO L180 IcfgInterpreter]: Interpretation finished [2023-03-31 23:55:24,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [621649126] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:55:24,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-03-31 23:55:24,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [15, 14, 12] total 52 [2023-03-31 23:55:24,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214016311] [2023-03-31 23:55:24,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:55:24,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-03-31 23:55:24,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:55:24,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-03-31 23:55:24,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=316, Invalid=2336, Unknown=0, NotChecked=0, Total=2652 [2023-03-31 23:55:24,043 INFO L87 Difference]: Start difference. First operand 126 states and 136 transitions. Second operand has 27 states, 18 states have (on average 1.7777777777777777) internal successors, (32), 22 states have internal predecessors, (32), 10 states have call successors, (16), 7 states have call predecessors, (16), 8 states have return successors, (11), 8 states have call predecessors, (11), 8 states have call successors, (11) [2023-03-31 23:55:32,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:55:32,134 INFO L93 Difference]: Finished difference Result 278 states and 323 transitions. [2023-03-31 23:55:32,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-03-31 23:55:32,135 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 18 states have (on average 1.7777777777777777) internal successors, (32), 22 states have internal predecessors, (32), 10 states have call successors, (16), 7 states have call predecessors, (16), 8 states have return successors, (11), 8 states have call predecessors, (11), 8 states have call successors, (11) Word has length 79 [2023-03-31 23:55:32,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:55:32,139 INFO L225 Difference]: With dead ends: 278 [2023-03-31 23:55:32,140 INFO L226 Difference]: Without dead ends: 275 [2023-03-31 23:55:32,142 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 292 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 2076 ImplicationChecksByTransitivity, 8.5s TimeCoverageRelationStatistics Valid=1156, Invalid=5984, Unknown=0, NotChecked=0, Total=7140 [2023-03-31 23:55:32,143 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 256 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 1372 mSolverCounterSat, 210 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 260 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 1582 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 210 IncrementalHoareTripleChecker+Valid, 1372 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-03-31 23:55:32,143 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [260 Valid, 108 Invalid, 1582 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [210 Valid, 1372 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-03-31 23:55:32,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2023-03-31 23:55:32,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 218. [2023-03-31 23:55:32,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 125 states have (on average 1.168) internal successors, (146), 139 states have internal predecessors, (146), 48 states have call successors, (48), 48 states have call predecessors, (48), 44 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2023-03-31 23:55:32,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 238 transitions. [2023-03-31 23:55:32,219 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 238 transitions. Word has length 79 [2023-03-31 23:55:32,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:55:32,219 INFO L495 AbstractCegarLoop]: Abstraction has 218 states and 238 transitions. [2023-03-31 23:55:32,220 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 18 states have (on average 1.7777777777777777) internal successors, (32), 22 states have internal predecessors, (32), 10 states have call successors, (16), 7 states have call predecessors, (16), 8 states have return successors, (11), 8 states have call predecessors, (11), 8 states have call successors, (11) [2023-03-31 23:55:32,220 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 238 transitions. [2023-03-31 23:55:32,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-03-31 23:55:32,221 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 23:55:32,222 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-03-31 23:55:32,231 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-03-31 23:55:32,428 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-03-31 23:55:32,429 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 23:55:32,429 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 23:55:32,429 INFO L85 PathProgramCache]: Analyzing trace with hash -245657936, now seen corresponding path program 1 times [2023-03-31 23:55:32,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-03-31 23:55:32,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766584596] [2023-03-31 23:55:32,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:55:32,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 23:55:32,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:55:32,802 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 3 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-03-31 23:55:32,802 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-03-31 23:55:32,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766584596] [2023-03-31 23:55:32,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766584596] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 23:55:32,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1974011944] [2023-03-31 23:55:32,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 23:55:32,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 23:55:32,803 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 23:55:32,804 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 23:55:32,807 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-03-31 23:55:32,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 23:55:32,910 INFO L262 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 51 conjunts are in the unsatisfiable core [2023-03-31 23:55:32,915 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 23:55:33,095 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-03-31 23:55:33,096 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-31 23:55:33,491 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-03-31 23:55:33,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1974011944] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-31 23:55:33,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2058459786] [2023-03-31 23:55:33,494 INFO L159 IcfgInterpreter]: Started Sifa with 60 locations of interest [2023-03-31 23:55:33,494 INFO L166 IcfgInterpreter]: Building call graph [2023-03-31 23:55:33,495 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-03-31 23:55:33,495 INFO L176 IcfgInterpreter]: Starting interpretation [2023-03-31 23:55:33,495 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-03-31 23:55:33,597 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.init with input of size 28 for LOIs [2023-03-31 23:55:33,624 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 30 for LOIs [2023-03-31 23:55:33,734 INFO L197 IcfgInterpreter]: Interpreting procedure runTest with input of size 30 for LOIs [2023-03-31 23:55:33,740 INFO L197 IcfgInterpreter]: Interpreting procedure setup with input of size 24 for LOIs [2023-03-31 23:55:33,748 INFO L197 IcfgInterpreter]: Interpreting procedure select_features with input of size 24 for LOIs [2023-03-31 23:55:33,750 INFO L197 IcfgInterpreter]: Interpreting procedure test with input of size 30 for LOIs [2023-03-31 23:55:34,333 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 26 for LOIs [2023-03-31 23:55:34,337 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 30 for LOIs [2023-03-31 23:55:34,384 INFO L197 IcfgInterpreter]: Interpreting procedure __utac_acc__Specification4_spec__1 with input of size 23 for LOIs [2023-03-31 23:55:34,417 INFO L197 IcfgInterpreter]: Interpreting procedure isPumpRunning with input of size 23 for LOIs [2023-03-31 23:55:34,419 INFO L197 IcfgInterpreter]: Interpreting procedure getWaterLevel with input of size 23 for LOIs [2023-03-31 23:55:34,421 INFO L197 IcfgInterpreter]: Interpreting procedure changeMethaneLevel with input of size 29 for LOIs [2023-03-31 23:55:34,427 INFO L197 IcfgInterpreter]: Interpreting procedure valid_product with input of size 24 for LOIs [2023-03-31 23:55:34,429 INFO L197 IcfgInterpreter]: Interpreting procedure select_helpers with input of size 24 for LOIs [2023-03-31 23:55:34,431 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment with input of size 29 for LOIs [2023-03-31 23:55:34,435 INFO L180 IcfgInterpreter]: Interpretation finished [2023-03-31 23:55:36,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [2058459786] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 23:55:36,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-03-31 23:55:36,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [15, 14, 12] total 54 [2023-03-31 23:55:36,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187514986] [2023-03-31 23:55:36,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 23:55:36,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2023-03-31 23:55:36,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-03-31 23:55:36,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2023-03-31 23:55:36,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=319, Invalid=2543, Unknown=0, NotChecked=0, Total=2862 [2023-03-31 23:55:36,282 INFO L87 Difference]: Start difference. First operand 218 states and 238 transitions. Second operand has 29 states, 19 states have (on average 1.736842105263158) internal successors, (33), 23 states have internal predecessors, (33), 11 states have call successors, (16), 7 states have call predecessors, (16), 9 states have return successors, (12), 9 states have call predecessors, (12), 9 states have call successors, (12) [2023-03-31 23:55:46,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 23:55:46,078 INFO L93 Difference]: Finished difference Result 353 states and 428 transitions. [2023-03-31 23:55:46,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2023-03-31 23:55:46,078 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 19 states have (on average 1.736842105263158) internal successors, (33), 23 states have internal predecessors, (33), 11 states have call successors, (16), 7 states have call predecessors, (16), 9 states have return successors, (12), 9 states have call predecessors, (12), 9 states have call successors, (12) Word has length 82 [2023-03-31 23:55:46,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 23:55:46,079 INFO L225 Difference]: With dead ends: 353 [2023-03-31 23:55:46,079 INFO L226 Difference]: Without dead ends: 0 [2023-03-31 23:55:46,083 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 207 SyntacticMatches, 12 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3818 ImplicationChecksByTransitivity, 10.3s TimeCoverageRelationStatistics Valid=1630, Invalid=9290, Unknown=0, NotChecked=0, Total=10920 [2023-03-31 23:55:46,083 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 512 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 1818 mSolverCounterSat, 458 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 512 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 2276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 458 IncrementalHoareTripleChecker+Valid, 1818 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-03-31 23:55:46,084 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [512 Valid, 196 Invalid, 2276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [458 Valid, 1818 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-03-31 23:55:46,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-03-31 23:55:46,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-03-31 23:55:46,084 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) [2023-03-31 23:55:46,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-03-31 23:55:46,085 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 82 [2023-03-31 23:55:46,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 23:55:46,085 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-03-31 23:55:46,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 19 states have (on average 1.736842105263158) internal successors, (33), 23 states have internal predecessors, (33), 11 states have call successors, (16), 7 states have call predecessors, (16), 9 states have return successors, (12), 9 states have call predecessors, (12), 9 states have call successors, (12) [2023-03-31 23:55:46,085 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-03-31 23:55:46,085 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-03-31 23:55:46,088 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-03-31 23:55:46,096 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-03-31 23:55:46,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-03-31 23:55:46,295 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-03-31 23:55:56,825 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 11) no Hoare annotation was computed. [2023-03-31 23:55:56,825 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 11) no Hoare annotation was computed. [2023-03-31 23:55:56,825 INFO L899 garLoopResultBuilder]: For program point L476-2(lines 476 497) no Hoare annotation was computed. [2023-03-31 23:55:56,825 INFO L899 garLoopResultBuilder]: For program point L498(lines 475 499) no Hoare annotation was computed. [2023-03-31 23:55:56,825 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 451 506) no Hoare annotation was computed. [2023-03-31 23:55:56,825 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_freeEXIT(lines 451 506) no Hoare annotation was computed. [2023-03-31 23:55:56,825 INFO L899 garLoopResultBuilder]: For program point L482(lines 482 486) no Hoare annotation was computed. [2023-03-31 23:55:56,825 INFO L899 garLoopResultBuilder]: For program point L539(lines 539 543) no Hoare annotation was computed. [2023-03-31 23:55:56,826 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetFINAL(lines 507 566) no Hoare annotation was computed. [2023-03-31 23:55:56,826 INFO L899 garLoopResultBuilder]: For program point L533-2(lines 533 558) no Hoare annotation was computed. [2023-03-31 23:55:56,826 INFO L899 garLoopResultBuilder]: For program point L559(lines 532 560) no Hoare annotation was computed. [2023-03-31 23:55:56,826 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_resetEXIT(lines 507 566) no Hoare annotation was computed. [2023-03-31 23:55:56,826 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 507 566) no Hoare annotation was computed. [2023-03-31 23:55:56,826 INFO L899 garLoopResultBuilder]: For program point L552(line 552) no Hoare annotation was computed. [2023-03-31 23:55:56,826 INFO L899 garLoopResultBuilder]: For program point L552-1(line 552) no Hoare annotation was computed. [2023-03-31 23:55:56,826 INFO L899 garLoopResultBuilder]: For program point valid_productEXIT(lines 87 95) no Hoare annotation was computed. [2023-03-31 23:55:56,828 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 87 95) the Hoare annotation is: true [2023-03-31 23:55:56,828 INFO L899 garLoopResultBuilder]: For program point L385(lines 385 391) no Hoare annotation was computed. [2023-03-31 23:55:56,828 INFO L895 garLoopResultBuilder]: At program point L383(line 383) the Hoare annotation is: (let ((.cse0 (not (= |#NULL.offset| 0))) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (< |#StackHeapBarrier| 0)) (.cse4 (not (= ~head~0.offset 0))) (.cse5 (< 1 ~methaneLevelCritical~0)) (.cse6 (not (= |#NULL.base| 0))) (.cse7 (< ~methaneLevelCritical~0 0)) (.cse8 (not (= ~head~0.base 0))) (.cse9 (not (= ~cleanupTimeShifts~0 4)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (< ~waterLevel~0 2) .cse7 .cse8 .cse9))) [2023-03-31 23:55:56,828 INFO L899 garLoopResultBuilder]: For program point L383-1(line 383) no Hoare annotation was computed. [2023-03-31 23:55:56,828 INFO L899 garLoopResultBuilder]: For program point L381(lines 381 394) no Hoare annotation was computed. [2023-03-31 23:55:56,829 INFO L899 garLoopResultBuilder]: For program point L381-1(lines 373 397) no Hoare annotation was computed. [2023-03-31 23:55:56,829 INFO L902 garLoopResultBuilder]: At program point L379(line 379) the Hoare annotation is: true [2023-03-31 23:55:56,829 INFO L899 garLoopResultBuilder]: For program point L379-1(line 379) no Hoare annotation was computed. [2023-03-31 23:55:56,829 INFO L899 garLoopResultBuilder]: For program point __utac_acc__Specification4_spec__1EXIT(lines 373 397) no Hoare annotation was computed. [2023-03-31 23:55:56,829 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 373 397) the Hoare annotation is: true [2023-03-31 23:55:56,829 INFO L895 garLoopResultBuilder]: At program point L387(line 387) the Hoare annotation is: (let ((.cse0 (not (= |#NULL.offset| 0))) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (< |#StackHeapBarrier| 0)) (.cse4 (not (= ~head~0.offset 0))) (.cse5 (< 1 ~methaneLevelCritical~0)) (.cse6 (not (= |#NULL.base| 0))) (.cse7 (< ~methaneLevelCritical~0 0)) (.cse8 (not (= ~head~0.base 0))) (.cse9 (not (= ~cleanupTimeShifts~0 4)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (< ~waterLevel~0 2) .cse7 .cse8 .cse9))) [2023-03-31 23:55:56,829 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 837 859) no Hoare annotation was computed. [2023-03-31 23:55:56,830 INFO L895 garLoopResultBuilder]: At program point L849(line 849) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (or (not (= (select |#length| 12) 25)) (not (= (select .cse0 0) 48)) (not (= |#NULL.offset| 0)) (not (= 9 (select |#length| 11))) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 9 (select |#length| 5))) (not (= 30 (select |#length| 7))) (not (= ~pumpRunning~0 0)) (not (= 31 (select |#length| 2))) (not (= (select |#valid| 12) 1)) (not (= 2 (select |#length| 1))) (not (= 9 (select |#length| 14))) (not (= |old(~waterLevel~0)| 1)) (not (= (select |#length| 15) 25)) (not (= (select |#valid| 6) 1)) (not (= (select |#valid| 3) 1)) (not (= ~head~0.offset 0)) (not (= (select |#valid| 11) 1)) (not (= (select |#length| 9) 21)) (not (= 30 (select |#length| 10))) (not (= (select |#valid| 15) 1)) (not (= (select |#length| 6) 21)) (not (= 1 (select |#valid| 5))) (not (= (select |#length| 8) 9)) (not (= (select |#length| 3) 12)) (not (= (select |#valid| 0) 0)) (not (= (select .cse0 1) 0)) (not (= (select |#valid| 1) 1)) (not (= |old(~systemActive~0)| 1)) (not (= (select |#valid| 8) 1)) (not (= 30 (select |#length| 13))) (not (= (select |#valid| 4) 1)) (not (= |#NULL.base| 0)) (and (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= main_~tmp~5 1) (= ~waterLevel~0 1)) (not (= (select |#valid| 7) 1)) (not (= (select |#valid| 10) 1)) (not (= (select |#valid| 14) 1)) (not (= (select |#valid| 13) 1)) (not (= 30 (select |#length| 4))) (not (= (select |#valid| 2) 1)) (<= |#StackHeapBarrier| 0) (not (= (select |#valid| 9) 1)) (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4)))) [2023-03-31 23:55:56,830 INFO L895 garLoopResultBuilder]: At program point L849-1(line 849) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (or (not (= (select |#length| 12) 25)) (not (= (select .cse0 0) 48)) (not (= |#NULL.offset| 0)) (not (= 9 (select |#length| 11))) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 9 (select |#length| 5))) (not (= 30 (select |#length| 7))) (not (= ~pumpRunning~0 0)) (not (= 31 (select |#length| 2))) (not (= (select |#valid| 12) 1)) (not (= 2 (select |#length| 1))) (not (= 9 (select |#length| 14))) (not (= |old(~waterLevel~0)| 1)) (not (= (select |#length| 15) 25)) (not (= (select |#valid| 6) 1)) (not (= (select |#valid| 3) 1)) (not (= ~head~0.offset 0)) (not (= (select |#valid| 11) 1)) (not (= (select |#length| 9) 21)) (not (= 30 (select |#length| 10))) (not (= (select |#valid| 15) 1)) (not (= (select |#length| 6) 21)) (not (= 1 (select |#valid| 5))) (not (= (select |#length| 8) 9)) (not (= (select |#length| 3) 12)) (not (= (select |#valid| 0) 0)) (not (= (select .cse0 1) 0)) (not (= (select |#valid| 1) 1)) (not (= |old(~systemActive~0)| 1)) (not (= (select |#valid| 8) 1)) (not (= 30 (select |#length| 13))) (not (= (select |#valid| 4) 1)) (not (= |#NULL.base| 0)) (and (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= main_~tmp~5 1) (= ~waterLevel~0 1)) (not (= (select |#valid| 7) 1)) (not (= (select |#valid| 10) 1)) (not (= (select |#valid| 14) 1)) (not (= (select |#valid| 13) 1)) (not (= 30 (select |#length| 4))) (not (= (select |#valid| 2) 1)) (<= |#StackHeapBarrier| 0) (not (= (select |#valid| 9) 1)) (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4)))) [2023-03-31 23:55:56,830 INFO L899 garLoopResultBuilder]: For program point L847(lines 847 854) no Hoare annotation was computed. [2023-03-31 23:55:56,830 INFO L899 garLoopResultBuilder]: For program point L847-1(lines 847 854) no Hoare annotation was computed. [2023-03-31 23:55:56,830 INFO L899 garLoopResultBuilder]: For program point L845(line 845) no Hoare annotation was computed. [2023-03-31 23:55:56,830 INFO L895 garLoopResultBuilder]: At program point L844(line 844) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (or (not (= (select |#length| 12) 25)) (not (= (select .cse0 0) 48)) (not (= |#NULL.offset| 0)) (not (= 9 (select |#length| 11))) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 9 (select |#length| 5))) (not (= 30 (select |#length| 7))) (not (= ~pumpRunning~0 0)) (not (= 31 (select |#length| 2))) (not (= (select |#valid| 12) 1)) (not (= 2 (select |#length| 1))) (not (= 9 (select |#length| 14))) (not (= |old(~waterLevel~0)| 1)) (not (= (select |#length| 15) 25)) (not (= (select |#valid| 6) 1)) (not (= (select |#valid| 3) 1)) (not (= ~head~0.offset 0)) (not (= (select |#valid| 11) 1)) (not (= (select |#length| 9) 21)) (not (= 30 (select |#length| 10))) (not (= (select |#valid| 15) 1)) (not (= (select |#length| 6) 21)) (not (= 1 (select |#valid| 5))) (not (= (select |#length| 8) 9)) (not (= (select |#length| 3) 12)) (not (= (select |#valid| 0) 0)) (not (= (select .cse0 1) 0)) (and (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= (select |#valid| 1) 1)) (not (= |old(~systemActive~0)| 1)) (not (= (select |#valid| 8) 1)) (not (= 30 (select |#length| 13))) (not (= (select |#valid| 4) 1)) (not (= |#NULL.base| 0)) (not (= (select |#valid| 7) 1)) (not (= (select |#valid| 10) 1)) (not (= (select |#valid| 14) 1)) (not (= (select |#valid| 13) 1)) (not (= 30 (select |#length| 4))) (not (= (select |#valid| 2) 1)) (<= |#StackHeapBarrier| 0) (not (= (select |#valid| 9) 1)) (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4)))) [2023-03-31 23:55:56,831 INFO L895 garLoopResultBuilder]: At program point L843(line 843) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (or (not (= (select |#length| 12) 25)) (not (= (select .cse0 0) 48)) (not (= |#NULL.offset| 0)) (not (= 9 (select |#length| 11))) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 9 (select |#length| 5))) (not (= 30 (select |#length| 7))) (not (= ~pumpRunning~0 0)) (not (= 31 (select |#length| 2))) (not (= (select |#valid| 12) 1)) (not (= 2 (select |#length| 1))) (not (= 9 (select |#length| 14))) (not (= |old(~waterLevel~0)| 1)) (not (= (select |#length| 15) 25)) (not (= (select |#valid| 6) 1)) (not (= (select |#valid| 3) 1)) (not (= ~head~0.offset 0)) (not (= (select |#valid| 11) 1)) (not (= (select |#length| 9) 21)) (not (= 30 (select |#length| 10))) (not (= (select |#valid| 15) 1)) (not (= (select |#length| 6) 21)) (not (= 1 (select |#valid| 5))) (not (= (select |#length| 8) 9)) (not (= (select |#length| 3) 12)) (not (= (select |#valid| 0) 0)) (not (= (select .cse0 1) 0)) (and (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= (select |#valid| 1) 1)) (not (= |old(~systemActive~0)| 1)) (not (= (select |#valid| 8) 1)) (not (= 30 (select |#length| 13))) (not (= (select |#valid| 4) 1)) (not (= |#NULL.base| 0)) (not (= (select |#valid| 7) 1)) (not (= (select |#valid| 10) 1)) (not (= (select |#valid| 14) 1)) (not (= (select |#valid| 13) 1)) (not (= 30 (select |#length| 4))) (not (= (select |#valid| 2) 1)) (<= |#StackHeapBarrier| 0) (not (= (select |#valid| 9) 1)) (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4)))) [2023-03-31 23:55:56,831 INFO L895 garLoopResultBuilder]: At program point L843-1(line 843) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (or (not (= (select |#length| 12) 25)) (not (= (select .cse0 0) 48)) (not (= |#NULL.offset| 0)) (not (= 9 (select |#length| 11))) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 9 (select |#length| 5))) (not (= 30 (select |#length| 7))) (not (= ~pumpRunning~0 0)) (not (= 31 (select |#length| 2))) (not (= (select |#valid| 12) 1)) (not (= 2 (select |#length| 1))) (not (= 9 (select |#length| 14))) (not (= |old(~waterLevel~0)| 1)) (not (= (select |#length| 15) 25)) (not (= (select |#valid| 6) 1)) (not (= (select |#valid| 3) 1)) (not (= ~head~0.offset 0)) (not (= (select |#valid| 11) 1)) (not (= (select |#length| 9) 21)) (not (= 30 (select |#length| 10))) (not (= (select |#valid| 15) 1)) (not (= (select |#length| 6) 21)) (not (= 1 (select |#valid| 5))) (not (= (select |#length| 8) 9)) (not (= (select |#length| 3) 12)) (not (= (select |#valid| 0) 0)) (not (= (select .cse0 1) 0)) (and (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= (select |#valid| 1) 1)) (not (= |old(~systemActive~0)| 1)) (not (= (select |#valid| 8) 1)) (not (= 30 (select |#length| 13))) (not (= (select |#valid| 4) 1)) (not (= |#NULL.base| 0)) (not (= (select |#valid| 7) 1)) (not (= (select |#valid| 10) 1)) (not (= (select |#valid| 14) 1)) (not (= (select |#valid| 13) 1)) (not (= 30 (select |#length| 4))) (not (= (select |#valid| 2) 1)) (<= |#StackHeapBarrier| 0) (not (= (select |#valid| 9) 1)) (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4)))) [2023-03-31 23:55:56,832 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 837 859) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (or (not (= (select |#length| 12) 25)) (not (= (select .cse0 0) 48)) (not (= |#NULL.offset| 0)) (not (= 9 (select |#length| 11))) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 9 (select |#length| 5))) (not (= 30 (select |#length| 7))) (not (= ~pumpRunning~0 0)) (not (= 31 (select |#length| 2))) (not (= (select |#valid| 12) 1)) (not (= 2 (select |#length| 1))) (not (= 9 (select |#length| 14))) (not (= |old(~waterLevel~0)| 1)) (not (= (select |#length| 15) 25)) (not (= (select |#valid| 6) 1)) (not (= (select |#valid| 3) 1)) (not (= ~head~0.offset 0)) (not (= (select |#valid| 11) 1)) (not (= (select |#length| 9) 21)) (not (= 30 (select |#length| 10))) (not (= (select |#valid| 15) 1)) (not (= (select |#length| 6) 21)) (not (= 1 (select |#valid| 5))) (not (= (select |#length| 8) 9)) (not (= (select |#length| 3) 12)) (not (= (select |#valid| 0) 0)) (not (= (select .cse0 1) 0)) (and (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= (select |#valid| 1) 1)) (not (= |old(~systemActive~0)| 1)) (not (= (select |#valid| 8) 1)) (not (= 30 (select |#length| 13))) (not (= (select |#valid| 4) 1)) (not (= |#NULL.base| 0)) (not (= (select |#valid| 7) 1)) (not (= (select |#valid| 10) 1)) (not (= (select |#valid| 14) 1)) (not (= (select |#valid| 13) 1)) (not (= 30 (select |#length| 4))) (not (= (select |#valid| 2) 1)) (<= |#StackHeapBarrier| 0) (not (= (select |#valid| 9) 1)) (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4)))) [2023-03-31 23:55:56,832 INFO L899 garLoopResultBuilder]: For program point L801(line 801) no Hoare annotation was computed. [2023-03-31 23:55:56,832 INFO L899 garLoopResultBuilder]: For program point Specification2EXIT(lines 796 819) no Hoare annotation was computed. [2023-03-31 23:55:56,832 INFO L899 garLoopResultBuilder]: For program point Specification2FINAL(lines 796 819) no Hoare annotation was computed. [2023-03-31 23:55:56,832 INFO L899 garLoopResultBuilder]: For program point L814(line 814) no Hoare annotation was computed. [2023-03-31 23:55:56,832 INFO L899 garLoopResultBuilder]: For program point L813(line 813) no Hoare annotation was computed. [2023-03-31 23:55:56,832 INFO L899 garLoopResultBuilder]: For program point L812(line 812) no Hoare annotation was computed. [2023-03-31 23:55:56,832 INFO L899 garLoopResultBuilder]: For program point L811(line 811) no Hoare annotation was computed. [2023-03-31 23:55:56,832 INFO L899 garLoopResultBuilder]: For program point L810(line 810) no Hoare annotation was computed. [2023-03-31 23:55:56,832 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 796 819) no Hoare annotation was computed. [2023-03-31 23:55:56,832 INFO L899 garLoopResultBuilder]: For program point L809(line 809) no Hoare annotation was computed. [2023-03-31 23:55:56,833 INFO L899 garLoopResultBuilder]: For program point L808(line 808) no Hoare annotation was computed. [2023-03-31 23:55:56,833 INFO L899 garLoopResultBuilder]: For program point L807(line 807) no Hoare annotation was computed. [2023-03-31 23:55:56,833 INFO L899 garLoopResultBuilder]: For program point L806(line 806) no Hoare annotation was computed. [2023-03-31 23:55:56,833 INFO L899 garLoopResultBuilder]: For program point L805(line 805) no Hoare annotation was computed. [2023-03-31 23:55:56,833 INFO L899 garLoopResultBuilder]: For program point L804(line 804) no Hoare annotation was computed. [2023-03-31 23:55:56,833 INFO L899 garLoopResultBuilder]: For program point L803(line 803) no Hoare annotation was computed. [2023-03-31 23:55:56,833 INFO L899 garLoopResultBuilder]: For program point L802(line 802) no Hoare annotation was computed. [2023-03-31 23:55:56,833 INFO L899 garLoopResultBuilder]: For program point select_featuresEXIT(lines 73 79) no Hoare annotation was computed. [2023-03-31 23:55:56,833 INFO L902 garLoopResultBuilder]: At program point select_featuresFINAL(lines 73 79) the Hoare annotation is: true [2023-03-31 23:55:56,833 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 718 763) no Hoare annotation was computed. [2023-03-31 23:55:56,833 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argtypeEXIT(lines 718 763) no Hoare annotation was computed. [2023-03-31 23:55:56,833 INFO L899 garLoopResultBuilder]: For program point processEnvironmentEXIT(lines 134 140) no Hoare annotation was computed. [2023-03-31 23:55:56,834 INFO L902 garLoopResultBuilder]: At program point processEnvironmentFINAL(lines 134 140) the Hoare annotation is: true [2023-03-31 23:55:56,834 INFO L895 garLoopResultBuilder]: At program point L283(lines 234 284) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (or (not (= (select |#length| 12) 25)) (not (= (select .cse0 0) 48)) (not (= |#NULL.offset| 0)) (not (= 9 (select |#length| 11))) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 9 (select |#length| 5))) (not (= 30 (select |#length| 7))) (not (= ~pumpRunning~0 0)) (not (= 31 (select |#length| 2))) (not (= (select |#valid| 12) 1)) (not (= 2 (select |#length| 1))) (not (= 9 (select |#length| 14))) (not (= |old(~waterLevel~0)| 1)) (not (= (select |#length| 15) 25)) (not (= (select |#valid| 6) 1)) (not (= (select |#valid| 3) 1)) (not (= ~head~0.offset 0)) (not (= (select |#valid| 11) 1)) (not (= (select |#length| 9) 21)) (not (= 30 (select |#length| 10))) (not (= (select |#valid| 15) 1)) (not (= (select |#length| 6) 21)) (not (= 1 (select |#valid| 5))) (not (= (select |#length| 8) 9)) (not (= (select |#length| 3) 12)) (not (= (select |#valid| 0) 0)) (not (= (select .cse0 1) 0)) (not (= (select |#valid| 1) 1)) (not (= |old(~systemActive~0)| 1)) (not (= (select |#valid| 8) 1)) (not (= 30 (select |#length| 13))) (not (= (select |#valid| 4) 1)) (not (= |#NULL.base| 0)) (not (= (select |#valid| 7) 1)) (not (= (select |#valid| 10) 1)) (not (= (select |#valid| 14) 1)) (not (= (select |#valid| 13) 1)) (not (= 30 (select |#length| 4))) (not (= (select |#valid| 2) 1)) (<= |#StackHeapBarrier| 0) (not (= (select |#valid| 9) 1)) (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4)))) [2023-03-31 23:55:56,834 INFO L899 garLoopResultBuilder]: For program point testFINAL(lines 225 290) no Hoare annotation was computed. [2023-03-31 23:55:56,834 INFO L895 garLoopResultBuilder]: At program point L273-2(lines 265 278) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse12 (= ~waterLevel~0 1)) (.cse1 (= 2 ~waterLevel~0)) (.cse2 (<= test_~tmp___0~0 2147483647)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse5 (= 1 ~systemActive~0)) (.cse11 (= ~methaneLevelCritical~0 1)) (.cse6 (<= test_~tmp~0 2147483647)) (.cse7 (<= 0 (+ test_~tmp___0~0 2147483648))) (.cse8 (<= 0 (+ test_~tmp___2~0 2147483648))) (.cse9 (<= 0 (+ test_~tmp~0 2147483648))) (.cse10 (<= test_~tmp___2~0 2147483647))) (or (not (= (select |#length| 12) 25)) (not (= (select .cse0 0) 48)) (not (= |#NULL.offset| 0)) (not (= 9 (select |#length| 11))) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 9 (select |#length| 5))) (not (= 30 (select |#length| 7))) (not (= ~pumpRunning~0 0)) (not (= 31 (select |#length| 2))) (not (= (select |#valid| 12) 1)) (not (= 2 (select |#length| 1))) (not (= 9 (select |#length| 14))) (not (= |old(~waterLevel~0)| 1)) (not (= (select |#length| 15) 25)) (not (= (select |#valid| 6) 1)) (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (not (= (select |#valid| 3) 1)) (not (= ~head~0.offset 0)) (not (= (select |#valid| 11) 1)) (not (= (select |#length| 9) 21)) (and .cse2 .cse3 .cse5 .cse11 .cse6 .cse7 .cse12 .cse8 .cse9 .cse10) (not (= 30 (select |#length| 10))) (not (= (select |#valid| 15) 1)) (not (= (select |#length| 6) 21)) (not (= 1 (select |#valid| 5))) (not (= (select |#length| 8) 9)) (not (= (select |#length| 3) 12)) (not (= (select |#valid| 0) 0)) (not (= (select .cse0 1) 0)) (and .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse12 .cse8 .cse9 .cse10) (not (= (select |#valid| 1) 1)) (not (= |old(~systemActive~0)| 1)) (not (= (select |#valid| 8) 1)) (not (= 30 (select |#length| 13))) (not (= (select |#valid| 4) 1)) (not (= |#NULL.base| 0)) (not (= (select |#valid| 7) 1)) (not (= (select |#valid| 10) 1)) (and .cse1 .cse2 .cse3 .cse5 .cse11 .cse6 .cse7 .cse8 .cse9 .cse10) (not (= (select |#valid| 14) 1)) (not (= (select |#valid| 13) 1)) (not (= 30 (select |#length| 4))) (not (= (select |#valid| 2) 1)) (<= |#StackHeapBarrier| 0) (not (= (select |#valid| 9) 1)) (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4)))) [2023-03-31 23:55:56,835 INFO L899 garLoopResultBuilder]: For program point L236(lines 235 282) no Hoare annotation was computed. [2023-03-31 23:55:56,835 INFO L895 garLoopResultBuilder]: At program point L267(line 267) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse12 (= ~waterLevel~0 1)) (.cse1 (= 2 ~waterLevel~0)) (.cse2 (<= test_~tmp___0~0 2147483647)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse5 (= 1 ~systemActive~0)) (.cse11 (= ~methaneLevelCritical~0 1)) (.cse6 (<= test_~tmp~0 2147483647)) (.cse7 (<= 0 (+ test_~tmp___0~0 2147483648))) (.cse8 (<= 0 (+ test_~tmp___2~0 2147483648))) (.cse9 (<= 0 (+ test_~tmp~0 2147483648))) (.cse10 (<= test_~tmp___2~0 2147483647))) (or (not (= (select |#length| 12) 25)) (not (= (select .cse0 0) 48)) (not (= |#NULL.offset| 0)) (not (= 9 (select |#length| 11))) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 9 (select |#length| 5))) (not (= 30 (select |#length| 7))) (not (= ~pumpRunning~0 0)) (not (= 31 (select |#length| 2))) (not (= (select |#valid| 12) 1)) (not (= 2 (select |#length| 1))) (not (= 9 (select |#length| 14))) (not (= |old(~waterLevel~0)| 1)) (not (= (select |#length| 15) 25)) (not (= (select |#valid| 6) 1)) (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (not (= (select |#valid| 3) 1)) (not (= ~head~0.offset 0)) (not (= (select |#valid| 11) 1)) (not (= (select |#length| 9) 21)) (and .cse2 .cse3 .cse5 .cse11 .cse6 .cse7 .cse12 .cse8 .cse9 .cse10) (not (= 30 (select |#length| 10))) (not (= (select |#valid| 15) 1)) (not (= (select |#length| 6) 21)) (not (= 1 (select |#valid| 5))) (not (= (select |#length| 8) 9)) (not (= (select |#length| 3) 12)) (not (= (select |#valid| 0) 0)) (not (= (select .cse0 1) 0)) (and .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse12 .cse8 .cse9 .cse10) (not (= (select |#valid| 1) 1)) (not (= |old(~systemActive~0)| 1)) (not (= (select |#valid| 8) 1)) (not (= 30 (select |#length| 13))) (not (= (select |#valid| 4) 1)) (not (= |#NULL.base| 0)) (not (= (select |#valid| 7) 1)) (not (= (select |#valid| 10) 1)) (and .cse1 .cse2 .cse3 .cse5 .cse11 .cse6 .cse7 .cse8 .cse9 .cse10) (not (= (select |#valid| 14) 1)) (not (= (select |#valid| 13) 1)) (not (= 30 (select |#length| 4))) (not (= (select |#valid| 2) 1)) (<= |#StackHeapBarrier| 0) (not (= (select |#valid| 9) 1)) (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4)))) [2023-03-31 23:55:56,835 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 225 290) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (or (not (= (select |#length| 12) 25)) (not (= (select .cse0 0) 48)) (not (= |#NULL.offset| 0)) (not (= 9 (select |#length| 11))) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 9 (select |#length| 5))) (not (= 30 (select |#length| 7))) (not (= ~pumpRunning~0 0)) (not (= 31 (select |#length| 2))) (not (= (select |#valid| 12) 1)) (not (= 2 (select |#length| 1))) (not (= 9 (select |#length| 14))) (not (= |old(~waterLevel~0)| 1)) (not (= (select |#length| 15) 25)) (not (= (select |#valid| 6) 1)) (not (= (select |#valid| 3) 1)) (not (= ~head~0.offset 0)) (not (= (select |#valid| 11) 1)) (not (= (select |#length| 9) 21)) (not (= 30 (select |#length| 10))) (not (= (select |#valid| 15) 1)) (not (= (select |#length| 6) 21)) (not (= 1 (select |#valid| 5))) (not (= (select |#length| 8) 9)) (not (= (select |#length| 3) 12)) (not (= (select |#valid| 0) 0)) (not (= (select .cse0 1) 0)) (and (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= (select |#valid| 1) 1)) (not (= |old(~systemActive~0)| 1)) (not (= (select |#valid| 8) 1)) (not (= 30 (select |#length| 13))) (not (= (select |#valid| 4) 1)) (not (= |#NULL.base| 0)) (not (= (select |#valid| 7) 1)) (not (= (select |#valid| 10) 1)) (not (= (select |#valid| 14) 1)) (not (= (select |#valid| 13) 1)) (not (= 30 (select |#length| 4))) (not (= (select |#valid| 2) 1)) (<= |#StackHeapBarrier| 0) (not (= (select |#valid| 9) 1)) (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4)))) [2023-03-31 23:55:56,835 INFO L899 garLoopResultBuilder]: For program point L265(lines 265 278) no Hoare annotation was computed. [2023-03-31 23:55:56,836 INFO L895 garLoopResultBuilder]: At program point L257(line 257) the Hoare annotation is: (let ((.cse10 (= ~waterLevel~0 1)) (.cse12 (= ~methaneLevelCritical~0 0)) (.cse0 (select |#memory_int| 1)) (.cse1 (= test_~tmp___2~0 0)) (.cse2 (<= 0 (+ test_~tmp___1~0 2147483648))) (.cse13 (= 2 ~waterLevel~0)) (.cse3 (<= test_~tmp___0~0 2147483647)) (.cse4 (= test_~splverifierCounter~0 0)) (.cse5 (= 1 ~systemActive~0)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse7 (<= test_~tmp___1~0 2147483647)) (.cse8 (<= test_~tmp~0 2147483647)) (.cse9 (<= 0 (+ test_~tmp___0~0 2147483648))) (.cse11 (<= 0 (+ test_~tmp~0 2147483648)))) (or (not (= (select |#length| 12) 25)) (not (= (select .cse0 0) 48)) (not (= |#NULL.offset| 0)) (not (= 9 (select |#length| 11))) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 9 (select |#length| 5))) (not (= 30 (select |#length| 7))) (not (= ~pumpRunning~0 0)) (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11) (not (= 31 (select |#length| 2))) (not (= (select |#valid| 12) 1)) (not (= 2 (select |#length| 1))) (and .cse3 .cse4 .cse12 .cse5 .cse8 .cse9 .cse10 .cse11) (not (= 9 (select |#length| 14))) (not (= |old(~waterLevel~0)| 1)) (not (= (select |#length| 15) 25)) (not (= (select |#valid| 6) 1)) (not (= (select |#valid| 3) 1)) (not (= ~head~0.offset 0)) (and .cse13 .cse3 .cse4 .cse12 .cse5 .cse8 .cse9 .cse11) (not (= (select |#valid| 11) 1)) (not (= (select |#length| 9) 21)) (not (= 30 (select |#length| 10))) (not (= (select |#valid| 15) 1)) (not (= (select |#length| 6) 21)) (not (= 1 (select |#valid| 5))) (not (= (select |#length| 8) 9)) (not (= (select |#length| 3) 12)) (not (= (select |#valid| 0) 0)) (not (= (select .cse0 1) 0)) (not (= (select |#valid| 1) 1)) (not (= |old(~systemActive~0)| 1)) (not (= (select |#valid| 8) 1)) (and .cse1 .cse2 .cse13 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse11) (not (= 30 (select |#length| 13))) (not (= (select |#valid| 4) 1)) (not (= |#NULL.base| 0)) (not (= (select |#valid| 7) 1)) (not (= (select |#valid| 10) 1)) (not (= (select |#valid| 14) 1)) (not (= (select |#valid| 13) 1)) (not (= 30 (select |#length| 4))) (not (= (select |#valid| 2) 1)) (<= |#StackHeapBarrier| 0) (not (= (select |#valid| 9) 1)) (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4)))) [2023-03-31 23:55:56,836 INFO L899 garLoopResultBuilder]: For program point L255(lines 255 261) no Hoare annotation was computed. [2023-03-31 23:55:56,836 INFO L899 garLoopResultBuilder]: For program point L255-1(lines 255 261) no Hoare annotation was computed. [2023-03-31 23:55:56,836 INFO L895 garLoopResultBuilder]: At program point L280(lines 235 282) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse3 (= ~waterLevel~0 1)) (.cse4 (select |#memory_int| 1)) (.cse5 (= 2 ~waterLevel~0)) (.cse6 (<= test_~tmp___0~0 2147483647)) (.cse0 (= test_~splverifierCounter~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse12 (= ~methaneLevelCritical~0 1)) (.cse7 (<= test_~tmp~0 2147483647)) (.cse8 (<= 0 (+ test_~tmp___0~0 2147483648))) (.cse9 (<= 0 (+ test_~tmp___2~0 2147483648))) (.cse10 (<= 0 (+ test_~tmp~0 2147483648))) (.cse11 (<= test_~tmp___2~0 2147483647))) (or (not (= (select |#length| 12) 25)) (and .cse0 .cse1 .cse2 .cse3) (not (= (select .cse4 0) 48)) (not (= |#NULL.offset| 0)) (not (= 9 (select |#length| 11))) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 9 (select |#length| 5))) (not (= 30 (select |#length| 7))) (not (= ~pumpRunning~0 0)) (not (= 31 (select |#length| 2))) (not (= (select |#valid| 12) 1)) (not (= 2 (select |#length| 1))) (not (= 9 (select |#length| 14))) (not (= |old(~waterLevel~0)| 1)) (not (= (select |#length| 15) 25)) (not (= (select |#valid| 6) 1)) (and .cse5 .cse6 .cse0 .cse1 .cse2 .cse7 .cse8 .cse9 .cse10 .cse11) (not (= (select |#valid| 3) 1)) (not (= ~head~0.offset 0)) (not (= (select |#valid| 11) 1)) (not (= (select |#length| 9) 21)) (and .cse6 .cse0 .cse2 .cse12 .cse7 .cse8 .cse3 .cse9 .cse10 .cse11) (not (= 30 (select |#length| 10))) (not (= (select |#valid| 15) 1)) (not (= (select |#length| 6) 21)) (not (= 1 (select |#valid| 5))) (not (= (select |#length| 8) 9)) (not (= (select |#length| 3) 12)) (not (= (select |#valid| 0) 0)) (not (= (select .cse4 1) 0)) (not (= (select |#valid| 1) 1)) (not (= |old(~systemActive~0)| 1)) (not (= (select |#valid| 8) 1)) (not (= 30 (select |#length| 13))) (not (= (select |#valid| 4) 1)) (not (= |#NULL.base| 0)) (not (= (select |#valid| 7) 1)) (not (= (select |#valid| 10) 1)) (and .cse5 .cse6 .cse0 .cse2 .cse12 .cse7 .cse8 .cse9 .cse10 .cse11) (not (= (select |#valid| 14) 1)) (not (= (select |#valid| 13) 1)) (not (= 30 (select |#length| 4))) (not (= (select |#valid| 2) 1)) (<= |#StackHeapBarrier| 0) (not (= (select |#valid| 9) 1)) (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4)))) [2023-03-31 23:55:56,837 INFO L895 garLoopResultBuilder]: At program point L247(line 247) the Hoare annotation is: (let ((.cse8 (= ~methaneLevelCritical~0 1)) (.cse0 (select |#memory_int| 1)) (.cse13 (= ~waterLevel~0 1)) (.cse1 (= test_~tmp___2~0 0)) (.cse2 (<= 0 (+ test_~tmp___1~0 2147483648))) (.cse3 (= 2 ~waterLevel~0)) (.cse4 (<= test_~tmp___0~0 2147483647)) (.cse5 (= test_~splverifierCounter~0 0)) (.cse14 (= ~methaneLevelCritical~0 0)) (.cse6 (not (= test_~tmp~0 0))) (.cse7 (= 1 ~systemActive~0)) (.cse9 (<= test_~tmp___1~0 2147483647)) (.cse10 (<= test_~tmp~0 2147483647)) (.cse11 (<= 0 (+ test_~tmp___0~0 2147483648))) (.cse12 (<= 0 (+ test_~tmp~0 2147483648)))) (or (not (= (select |#length| 12) 25)) (not (= (select .cse0 0) 48)) (not (= |#NULL.offset| 0)) (not (= 9 (select |#length| 11))) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 9 (select |#length| 5))) (not (= 30 (select |#length| 7))) (not (= ~pumpRunning~0 0)) (not (= 31 (select |#length| 2))) (not (= (select |#valid| 12) 1)) (not (= 2 (select |#length| 1))) (not (= 9 (select |#length| 14))) (not (= |old(~waterLevel~0)| 1)) (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12) (not (= (select |#length| 15) 25)) (and .cse1 .cse2 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse13 .cse12) (not (= (select |#valid| 6) 1)) (not (= (select |#valid| 3) 1)) (not (= ~head~0.offset 0)) (not (= (select |#valid| 11) 1)) (not (= (select |#length| 9) 21)) (not (= 30 (select |#length| 10))) (not (= (select |#valid| 15) 1)) (not (= (select |#length| 6) 21)) (not (= 1 (select |#valid| 5))) (not (= (select |#length| 8) 9)) (not (= (select |#length| 3) 12)) (not (= (select |#valid| 0) 0)) (not (= (select .cse0 1) 0)) (and .cse5 .cse14 .cse6 .cse7 .cse10 .cse13 .cse12) (not (= (select |#valid| 1) 1)) (not (= |old(~systemActive~0)| 1)) (not (= (select |#valid| 8) 1)) (not (= 30 (select |#length| 13))) (not (= (select |#valid| 4) 1)) (not (= |#NULL.base| 0)) (not (= (select |#valid| 7) 1)) (not (= (select |#valid| 10) 1)) (not (= (select |#valid| 14) 1)) (not (= (select |#valid| 13) 1)) (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse14 .cse6 .cse7 .cse9 .cse10 .cse11 .cse12) (not (= 30 (select |#length| 4))) (not (= (select |#valid| 2) 1)) (<= |#StackHeapBarrier| 0) (not (= (select |#valid| 9) 1)) (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4)))) [2023-03-31 23:55:56,837 INFO L899 garLoopResultBuilder]: For program point L245(lines 245 251) no Hoare annotation was computed. [2023-03-31 23:55:56,837 INFO L899 garLoopResultBuilder]: For program point L245-1(lines 245 251) no Hoare annotation was computed. [2023-03-31 23:55:56,837 INFO L899 garLoopResultBuilder]: For program point testEXIT(lines 225 290) no Hoare annotation was computed. [2023-03-31 23:55:56,837 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 340 362) no Hoare annotation was computed. [2023-03-31 23:55:56,837 INFO L899 garLoopResultBuilder]: For program point printEnvironmentEXIT(lines 340 362) no Hoare annotation was computed. [2023-03-31 23:55:56,837 INFO L899 garLoopResultBuilder]: For program point activatePumpEXIT(lines 141 148) no Hoare annotation was computed. [2023-03-31 23:55:56,837 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 141 148) no Hoare annotation was computed. [2023-03-31 23:55:56,837 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 363 371) the Hoare annotation is: true [2023-03-31 23:55:56,837 INFO L899 garLoopResultBuilder]: For program point getWaterLevelEXIT(lines 363 371) no Hoare annotation was computed. [2023-03-31 23:55:56,838 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 331 339) no Hoare annotation was computed. [2023-03-31 23:55:56,838 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 331 339) no Hoare annotation was computed. [2023-03-31 23:55:56,838 INFO L895 garLoopResultBuilder]: At program point L123(line 123) the Hoare annotation is: (let ((.cse0 (not (= |#NULL.offset| 0))) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (< |#StackHeapBarrier| 0)) (.cse4 (not (= ~head~0.offset 0))) (.cse5 (< 1 ~methaneLevelCritical~0)) (.cse6 (not (= |#NULL.base| 0))) (.cse7 (< ~methaneLevelCritical~0 0)) (.cse8 (not (= ~head~0.base 0))) (.cse9 (not (= ~cleanupTimeShifts~0 4)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (< |old(~waterLevel~0)| 2) .cse5 .cse6 (= |old(~waterLevel~0)| ~waterLevel~0) .cse7 .cse8 .cse9) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1)) .cse2 .cse3 .cse4 .cse5 .cse6 (= ~waterLevel~0 1) .cse7 .cse8 .cse9))) [2023-03-31 23:55:56,838 INFO L895 garLoopResultBuilder]: At program point L121(lines 121 127) the Hoare annotation is: (let ((.cse0 (not (= |#NULL.offset| 0))) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (< |#StackHeapBarrier| 0)) (.cse4 (not (= ~head~0.offset 0))) (.cse5 (< 1 ~methaneLevelCritical~0)) (.cse6 (not (= |#NULL.base| 0))) (.cse7 (< ~methaneLevelCritical~0 0)) (.cse8 (not (= ~head~0.base 0))) (.cse9 (not (= ~cleanupTimeShifts~0 4)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (< |old(~waterLevel~0)| 2) .cse5 .cse6 (= |old(~waterLevel~0)| ~waterLevel~0) .cse7 .cse8 .cse9) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1)) .cse2 .cse3 .cse4 .cse5 .cse6 (= ~waterLevel~0 1) .cse7 .cse8 .cse9))) [2023-03-31 23:55:56,838 INFO L895 garLoopResultBuilder]: At program point L116(line 116) the Hoare annotation is: (let ((.cse0 (not (= |#NULL.offset| 0))) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (< |#StackHeapBarrier| 0)) (.cse4 (not (= ~head~0.offset 0))) (.cse5 (< 1 ~methaneLevelCritical~0)) (.cse6 (not (= |#NULL.base| 0))) (.cse7 (< ~methaneLevelCritical~0 0)) (.cse8 (not (= ~head~0.base 0))) (.cse9 (not (= ~cleanupTimeShifts~0 4)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (< |old(~waterLevel~0)| 2) .cse5 .cse6 .cse7 .cse8 .cse9) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1)) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9))) [2023-03-31 23:55:56,838 INFO L899 garLoopResultBuilder]: For program point L114(lines 113 132) no Hoare annotation was computed. [2023-03-31 23:55:56,838 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 110 133) no Hoare annotation was computed. [2023-03-31 23:55:56,838 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 110 133) the Hoare annotation is: (let ((.cse0 (not (= |#NULL.offset| 0))) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (< |#StackHeapBarrier| 0)) (.cse4 (not (= ~head~0.offset 0))) (.cse5 (< 1 ~methaneLevelCritical~0)) (.cse6 (not (= |#NULL.base| 0))) (.cse7 (< ~methaneLevelCritical~0 0)) (.cse8 (not (= ~head~0.base 0))) (.cse9 (not (= ~cleanupTimeShifts~0 4)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (< |old(~waterLevel~0)| 2) .cse5 .cse6 (= |old(~waterLevel~0)| ~waterLevel~0) .cse7 .cse8 .cse9) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1)) .cse2 .cse3 .cse4 .cse5 .cse6 (= ~waterLevel~0 1) .cse7 .cse8 .cse9))) [2023-03-31 23:55:56,838 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 110 133) no Hoare annotation was computed. [2023-03-31 23:55:56,838 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 766 795) no Hoare annotation was computed. [2023-03-31 23:55:56,839 INFO L902 garLoopResultBuilder]: At program point L791(lines 766 795) the Hoare annotation is: true [2023-03-31 23:55:56,839 INFO L899 garLoopResultBuilder]: For program point L787(line 787) no Hoare annotation was computed. [2023-03-31 23:55:56,839 INFO L899 garLoopResultBuilder]: For program point L780(lines 780 784) no Hoare annotation was computed. [2023-03-31 23:55:56,839 INFO L902 garLoopResultBuilder]: At program point L780-1(lines 780 784) the Hoare annotation is: true [2023-03-31 23:55:56,839 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 766 795) the Hoare annotation is: true [2023-03-31 23:55:56,839 INFO L902 garLoopResultBuilder]: At program point L776-2(lines 776 790) the Hoare annotation is: true [2023-03-31 23:55:56,839 INFO L902 garLoopResultBuilder]: At program point L772(line 772) the Hoare annotation is: true [2023-03-31 23:55:56,839 INFO L899 garLoopResultBuilder]: For program point L772-1(line 772) no Hoare annotation was computed. [2023-03-31 23:55:56,839 INFO L899 garLoopResultBuilder]: For program point lowerWaterLevelEXIT(lines 295 306) no Hoare annotation was computed. [2023-03-31 23:55:56,839 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 295 306) the Hoare annotation is: true [2023-03-31 23:55:56,839 INFO L899 garLoopResultBuilder]: For program point startSystemEXIT(lines 213 220) no Hoare annotation was computed. [2023-03-31 23:55:56,840 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 213 220) the Hoare annotation is: (let ((.cse0 (not (= |#NULL.offset| 0))) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (< |#StackHeapBarrier| 0)) (.cse3 (not (= ~head~0.offset 0))) (.cse4 (= 1 ~systemActive~0)) (.cse5 (not (= |old(~systemActive~0)| 1))) (.cse6 (< 1 ~methaneLevelCritical~0)) (.cse7 (not (= |#NULL.base| 0))) (.cse8 (< ~methaneLevelCritical~0 0)) (.cse9 (not (= ~head~0.base 0))) (.cse10 (not (= ~cleanupTimeShifts~0 4)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (< ~waterLevel~0 2) .cse8 .cse9 .cse10) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10))) [2023-03-31 23:55:56,840 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 307 318) no Hoare annotation was computed. [2023-03-31 23:55:56,840 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 307 318) the Hoare annotation is: (let ((.cse0 (not (= |#NULL.offset| 0))) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (< |#StackHeapBarrier| 0)) (.cse4 (not (= ~head~0.offset 0))) (.cse5 (< 1 ~methaneLevelCritical~0)) (.cse6 (not (= |#NULL.base| 0))) (.cse7 (< ~methaneLevelCritical~0 0)) (.cse8 (not (= ~head~0.base 0))) (.cse9 (not (= ~cleanupTimeShifts~0 4)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (< |old(~waterLevel~0)| 2) .cse5 .cse6 (= |old(~waterLevel~0)| ~waterLevel~0) .cse7 .cse8 .cse9) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1)) .cse2 .cse3 .cse4 .cse5 .cse6 (= ~waterLevel~0 1) .cse7 .cse8 .cse9))) [2023-03-31 23:55:56,840 INFO L902 garLoopResultBuilder]: At program point ERROR(lines 50 57) the Hoare annotation is: true [2023-03-31 23:55:56,840 INFO L899 garLoopResultBuilder]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2023-03-31 23:55:56,840 INFO L899 garLoopResultBuilder]: For program point __automaton_failEXIT(lines 50 57) no Hoare annotation was computed. [2023-03-31 23:55:56,840 INFO L902 garLoopResultBuilder]: At program point select_helpersFINAL(lines 80 86) the Hoare annotation is: true [2023-03-31 23:55:56,840 INFO L899 garLoopResultBuilder]: For program point select_helpersEXIT(lines 80 86) no Hoare annotation was computed. [2023-03-31 23:55:56,840 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 168 176) no Hoare annotation was computed. [2023-03-31 23:55:56,840 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 168 176) the Hoare annotation is: true [2023-03-31 23:55:56,840 INFO L899 garLoopResultBuilder]: For program point L207(line 207) no Hoare annotation was computed. [2023-03-31 23:55:56,841 INFO L899 garLoopResultBuilder]: For program point L207-1(line 207) no Hoare annotation was computed. [2023-03-31 23:55:56,841 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 177 212) no Hoare annotation was computed. [2023-03-31 23:55:56,841 INFO L899 garLoopResultBuilder]: For program point printPumpEXIT(lines 177 212) no Hoare annotation was computed. [2023-03-31 23:55:56,841 INFO L899 garLoopResultBuilder]: For program point __utac__exception__cf_handler_setEXIT(lines 405 450) no Hoare annotation was computed. [2023-03-31 23:55:56,841 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 405 450) no Hoare annotation was computed. [2023-03-31 23:55:56,841 INFO L899 garLoopResultBuilder]: For program point runTestEXIT(lines 827 836) no Hoare annotation was computed. [2023-03-31 23:55:56,841 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 827 836) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (or (not (= (select |#length| 12) 25)) (not (= (select .cse0 0) 48)) (not (= |#NULL.offset| 0)) (not (= 9 (select |#length| 11))) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 9 (select |#length| 5))) (not (= 30 (select |#length| 7))) (not (= ~pumpRunning~0 0)) (not (= 31 (select |#length| 2))) (not (= (select |#valid| 12) 1)) (not (= 2 (select |#length| 1))) (not (= 9 (select |#length| 14))) (not (= |old(~waterLevel~0)| 1)) (not (= (select |#length| 15) 25)) (not (= (select |#valid| 6) 1)) (not (= (select |#valid| 3) 1)) (not (= ~head~0.offset 0)) (not (= (select |#valid| 11) 1)) (not (= (select |#length| 9) 21)) (not (= 30 (select |#length| 10))) (not (= (select |#valid| 15) 1)) (not (= (select |#length| 6) 21)) (not (= 1 (select |#valid| 5))) (not (= (select |#length| 8) 9)) (not (= (select |#length| 3) 12)) (not (= (select |#valid| 0) 0)) (not (= (select .cse0 1) 0)) (and (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) (not (= (select |#valid| 1) 1)) (not (= |old(~systemActive~0)| 1)) (not (= (select |#valid| 8) 1)) (not (= 30 (select |#length| 13))) (not (= (select |#valid| 4) 1)) (not (= |#NULL.base| 0)) (not (= (select |#valid| 7) 1)) (not (= (select |#valid| 10) 1)) (not (= (select |#valid| 14) 1)) (not (= (select |#valid| 13) 1)) (not (= 30 (select |#length| 4))) (not (= (select |#valid| 2) 1)) (<= |#StackHeapBarrier| 0) (not (= (select |#valid| 9) 1)) (not (= ~head~0.base 0)) (not (= ~cleanupTimeShifts~0 4)))) [2023-03-31 23:55:56,841 INFO L899 garLoopResultBuilder]: For program point runTestFINAL(lines 827 836) no Hoare annotation was computed. [2023-03-31 23:55:56,841 INFO L899 garLoopResultBuilder]: For program point L162-1(line 162) no Hoare annotation was computed. [2023-03-31 23:55:56,841 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 157 167) no Hoare annotation was computed. [2023-03-31 23:55:56,842 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 157 167) no Hoare annotation was computed. [2023-03-31 23:55:56,842 INFO L899 garLoopResultBuilder]: For program point L162(line 162) no Hoare annotation was computed. [2023-03-31 23:55:56,842 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 149 156) no Hoare annotation was computed. [2023-03-31 23:55:56,842 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 149 156) no Hoare annotation was computed. [2023-03-31 23:55:56,842 INFO L899 garLoopResultBuilder]: For program point __utac__get_this_argEXIT(lines 672 717) no Hoare annotation was computed. [2023-03-31 23:55:56,842 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 672 717) no Hoare annotation was computed. [2023-03-31 23:55:56,842 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 63 72) no Hoare annotation was computed. [2023-03-31 23:55:56,842 INFO L899 garLoopResultBuilder]: For program point select_oneEXIT(lines 63 72) no Hoare annotation was computed. [2023-03-31 23:55:56,842 INFO L899 garLoopResultBuilder]: For program point L634(line 634) no Hoare annotation was computed. [2023-03-31 23:55:56,842 INFO L899 garLoopResultBuilder]: For program point L634-1(line 634) no Hoare annotation was computed. [2023-03-31 23:55:56,842 INFO L899 garLoopResultBuilder]: For program point L593(lines 593 597) no Hoare annotation was computed. [2023-03-31 23:55:56,842 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(lines 569 671) no Hoare annotation was computed. [2023-03-31 23:55:56,842 INFO L899 garLoopResultBuilder]: For program point L618-2(lines 618 638) no Hoare annotation was computed. [2023-03-31 23:55:56,843 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtFINAL(lines 569 671) no Hoare annotation was computed. [2023-03-31 23:55:56,843 INFO L899 garLoopResultBuilder]: For program point L639(lines 617 640) no Hoare annotation was computed. [2023-03-31 23:55:56,843 INFO L899 garLoopResultBuilder]: For program point L598(lines 598 614) no Hoare annotation was computed. [2023-03-31 23:55:56,843 INFO L899 garLoopResultBuilder]: For program point __utac__error_stack_mgtEXIT(lines 569 671) no Hoare annotation was computed. [2023-03-31 23:55:56,843 INFO L899 garLoopResultBuilder]: For program point L619(lines 618 638) no Hoare annotation was computed. [2023-03-31 23:55:56,843 INFO L899 garLoopResultBuilder]: For program point L650(line 650) no Hoare annotation was computed. [2023-03-31 23:55:56,843 INFO L899 garLoopResultBuilder]: For program point L650-1(line 650) no Hoare annotation was computed. [2023-03-31 23:55:56,843 INFO L899 garLoopResultBuilder]: For program point L615(lines 615 656) no Hoare annotation was computed. [2023-03-31 23:55:56,843 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~head~0.base)| ~head~0.base) (= ~head~0.offset |old(~head~0.offset)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~systemActive~0)| ~systemActive~0) (= |old(#NULL.base)| |#NULL.base|)) [2023-03-31 23:55:56,843 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-03-31 23:55:56,843 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 319 330) the Hoare annotation is: (let ((.cse0 (not (= |#NULL.offset| 0))) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (< |old(~methaneLevelCritical~0)| 0)) (.cse3 (< 1 |old(~methaneLevelCritical~0)|)) (.cse4 (not (= 1 ~systemActive~0))) (.cse5 (< |#StackHeapBarrier| 0)) (.cse6 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse7 (not (= ~head~0.offset 0))) (.cse8 (not (= |#NULL.base| 0))) (.cse9 (not (= ~head~0.base 0))) (.cse10 (not (= ~cleanupTimeShifts~0 4)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (< ~waterLevel~0 2) .cse9 .cse10))) [2023-03-31 23:55:56,843 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 319 330) no Hoare annotation was computed. [2023-03-31 23:55:56,843 INFO L899 garLoopResultBuilder]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2023-03-31 23:55:56,844 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-03-31 23:55:56,844 INFO L899 garLoopResultBuilder]: For program point setupEXIT(lines 820 826) no Hoare annotation was computed. [2023-03-31 23:55:56,844 INFO L902 garLoopResultBuilder]: At program point setupFINAL(lines 820 826) the Hoare annotation is: true [2023-03-31 23:55:56,844 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-03-31 23:55:56,844 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (let ((.cse0 (select |#memory_int| 1))) (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) (= ~pumpRunning~0 0) (= (select |#valid| 9) 1) (= (select |#length| 12) 25) (= (select |#valid| 11) 1) (= ~methaneLevelCritical~0 0) (= 30 (select |#length| 4)) (= 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) (= (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) (= |#NULL.offset| 0) (= 9 (select |#length| 11)) (= ~waterLevel~0 1) (= (select .cse0 0) 48) (= (select |#valid| 6) 1) (= (select .cse0 1) 0) (= (select |#valid| 10) 1) (= (select |#valid| 8) 1) (= (select |#valid| 13) 1) (< 0 |#StackHeapBarrier|) (= ~cleanupTimeShifts~0 4) (= |#NULL.base| 0))) [2023-03-31 23:55:56,844 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-03-31 23:55:56,844 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-03-31 23:55:56,847 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2023-03-31 23:55:56,849 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-03-31 23:55:56,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 31.03 11:55:56 BoogieIcfgContainer [2023-03-31 23:55:56,867 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-03-31 23:55:56,868 INFO L158 Benchmark]: Toolchain (without parser) took 40124.38ms. Allocated memory was 337.6MB in the beginning and 587.2MB in the end (delta: 249.6MB). Free memory was 289.8MB in the beginning and 372.8MB in the end (delta: -83.0MB). Peak memory consumption was 347.3MB. Max. memory is 8.0GB. [2023-03-31 23:55:56,868 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 206.6MB. Free memory is still 156.7MB. There was no memory consumed. Max. memory is 8.0GB. [2023-03-31 23:55:56,868 INFO L158 Benchmark]: CACSL2BoogieTranslator took 408.88ms. Allocated memory is still 337.6MB. Free memory was 289.4MB in the beginning and 271.9MB in the end (delta: 17.5MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-03-31 23:55:56,868 INFO L158 Benchmark]: Boogie Preprocessor took 64.74ms. Allocated memory is still 337.6MB. Free memory was 271.9MB in the beginning and 268.5MB in the end (delta: 3.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-03-31 23:55:56,868 INFO L158 Benchmark]: RCFGBuilder took 875.93ms. Allocated memory is still 337.6MB. Free memory was 268.5MB in the beginning and 273.2MB in the end (delta: -4.8MB). Peak memory consumption was 33.7MB. Max. memory is 8.0GB. [2023-03-31 23:55:56,869 INFO L158 Benchmark]: TraceAbstraction took 38767.62ms. Allocated memory was 337.6MB in the beginning and 587.2MB in the end (delta: 249.6MB). Free memory was 272.7MB in the beginning and 372.8MB in the end (delta: -100.1MB). Peak memory consumption was 329.3MB. Max. memory is 8.0GB. [2023-03-31 23:55:56,870 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 206.6MB. Free memory is still 156.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 408.88ms. Allocated memory is still 337.6MB. Free memory was 289.4MB in the beginning and 271.9MB in the end (delta: 17.5MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 64.74ms. Allocated memory is still 337.6MB. Free memory was 271.9MB in the beginning and 268.5MB in the end (delta: 3.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 875.93ms. Allocated memory is still 337.6MB. Free memory was 268.5MB in the beginning and 273.2MB in the end (delta: -4.8MB). Peak memory consumption was 33.7MB. Max. memory is 8.0GB. * TraceAbstraction took 38767.62ms. Allocated memory was 337.6MB in the beginning and 587.2MB in the end (delta: 249.6MB). Free memory was 272.7MB in the beginning and 372.8MB in the end (delta: -100.1MB). Peak memory consumption was 329.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 156 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 38.7s, OverallIterations: 7, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 18.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 994 SdHoareTripleChecker+Valid, 3.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 980 mSDsluCounter, 1115 SdHoareTripleChecker+Invalid, 2.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 755 mSDsCounter, 702 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3562 IncrementalHoareTripleChecker+Invalid, 4264 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 702 mSolverCounterUnsat, 360 mSDtfsCounter, 3562 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 658 GetRequests, 433 SyntacticMatches, 12 SemanticMatches, 213 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 5936 ImplicationChecksByTransitivity, 18.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=218occurred in iteration=6, InterpolantAutomatonStates: 122, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 65 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 42 LocationsWithAnnotation, 272 PreInvPairs, 380 NumberOfFragments, 5226 HoareAnnotationTreeSize, 272 FomulaSimplifications, 22476 FormulaSimplificationTreeSizeReduction, 2.5s HoareSimplificationTime, 42 FomulaSimplificationsInter, 23416 FormulaSimplificationTreeSizeReductionInter, 8.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 557 NumberOfCodeBlocks, 557 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 707 ConstructedInterpolants, 0 QuantifiedInterpolants, 2106 SizeOfPredicates, 16 NumberOfNonLiveVariables, 672 ConjunctsInSsa, 102 ConjunctsInUnsatCore, 11 InterpolantComputations, 5 PerfectInterpolantSequences, 56/138 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: OVERALL_TIME: 2.2s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 31, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 134, DAG_INTERPRETER_EARLY_EXITS: 2, TOOLS_POST_APPLICATIONS: 121, TOOLS_POST_TIME: 0.6s, TOOLS_POST_CALL_APPLICATIONS: 103, TOOLS_POST_CALL_TIME: 0.6s, TOOLS_POST_RETURN_APPLICATIONS: 74, TOOLS_POST_RETURN_TIME: 0.5s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 298, TOOLS_QUANTIFIERELIM_TIME: 1.7s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.1s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 418, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 92, DOMAIN_JOIN_TIME: 0.2s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 134, DOMAIN_ISBOTTOM_TIME: 0.1s, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME: 0.4s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 0.4s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 74, CALL_SUMMARIZER_CACHE_MISSES: 23, CALL_SUMMARIZER_OVERALL_TIME: 0.1s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.1s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 1561, DAG_COMPRESSION_RETAINED_NODES: 430, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 235]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((((((!(unknown-#length-unknown[12] == 25) || (((splverifierCounter == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1)) || !(unknown-#memory_int-unknown[1][0] == 48)) || !(#NULL == 0)) || !(9 == unknown-#length-unknown[11])) || !(\old(methaneLevelCritical) == 0)) || !(9 == unknown-#length-unknown[5])) || !(30 == unknown-#length-unknown[7])) || !(pumpRunning == 0)) || !(31 == unknown-#length-unknown[2])) || !(\valid[12] == 1)) || !(2 == unknown-#length-unknown[1])) || !(9 == unknown-#length-unknown[14])) || !(\old(waterLevel) == 1)) || !(unknown-#length-unknown[15] == 25)) || !(\valid[6] == 1)) || (((((((((2 == waterLevel && tmp___0 <= 2147483647) && splverifierCounter == 0) && methaneLevelCritical == 0) && 1 == systemActive) && tmp <= 2147483647) && 0 <= tmp___0 + 2147483648) && 0 <= tmp___2 + 2147483648) && 0 <= tmp + 2147483648) && tmp___2 <= 2147483647)) || !(\valid[3] == 1)) || !(head == 0)) || !(\valid[11] == 1)) || !(unknown-#length-unknown[9] == 21)) || (((((((((tmp___0 <= 2147483647 && splverifierCounter == 0) && 1 == systemActive) && methaneLevelCritical == 1) && tmp <= 2147483647) && 0 <= tmp___0 + 2147483648) && waterLevel == 1) && 0 <= tmp___2 + 2147483648) && 0 <= tmp + 2147483648) && tmp___2 <= 2147483647)) || !(30 == unknown-#length-unknown[10])) || !(\valid[15] == 1)) || !(unknown-#length-unknown[6] == 21)) || !(1 == \valid[5])) || !(unknown-#length-unknown[8] == 9)) || !(unknown-#length-unknown[3] == 12)) || !(\valid[0] == 0)) || !(unknown-#memory_int-unknown[1][1] == 0)) || !(\valid[1] == 1)) || !(\old(systemActive) == 1)) || !(\valid[8] == 1)) || !(30 == unknown-#length-unknown[13])) || !(\valid[4] == 1)) || !(#NULL == 0)) || !(\valid[7] == 1)) || !(\valid[10] == 1)) || (((((((((2 == waterLevel && tmp___0 <= 2147483647) && splverifierCounter == 0) && 1 == systemActive) && methaneLevelCritical == 1) && tmp <= 2147483647) && 0 <= tmp___0 + 2147483648) && 0 <= tmp___2 + 2147483648) && 0 <= tmp + 2147483648) && tmp___2 <= 2147483647)) || !(\valid[14] == 1)) || !(\valid[13] == 1)) || !(30 == unknown-#length-unknown[4])) || !(\valid[2] == 1)) || unknown-#StackHeapBarrier-unknown <= 0) || !(\valid[9] == 1)) || !(head == 0)) || !(cleanupTimeShifts == 4) - InvariantResult [Line: 234]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((!(unknown-#length-unknown[12] == 25) || !(unknown-#memory_int-unknown[1][0] == 48)) || !(#NULL == 0)) || !(9 == unknown-#length-unknown[11])) || !(\old(methaneLevelCritical) == 0)) || !(9 == unknown-#length-unknown[5])) || !(30 == unknown-#length-unknown[7])) || !(pumpRunning == 0)) || !(31 == unknown-#length-unknown[2])) || !(\valid[12] == 1)) || !(2 == unknown-#length-unknown[1])) || !(9 == unknown-#length-unknown[14])) || !(\old(waterLevel) == 1)) || !(unknown-#length-unknown[15] == 25)) || !(\valid[6] == 1)) || !(\valid[3] == 1)) || !(head == 0)) || !(\valid[11] == 1)) || !(unknown-#length-unknown[9] == 21)) || !(30 == unknown-#length-unknown[10])) || !(\valid[15] == 1)) || !(unknown-#length-unknown[6] == 21)) || !(1 == \valid[5])) || !(unknown-#length-unknown[8] == 9)) || !(unknown-#length-unknown[3] == 12)) || !(\valid[0] == 0)) || !(unknown-#memory_int-unknown[1][1] == 0)) || !(\valid[1] == 1)) || !(\old(systemActive) == 1)) || !(\valid[8] == 1)) || !(30 == unknown-#length-unknown[13])) || !(\valid[4] == 1)) || !(#NULL == 0)) || !(\valid[7] == 1)) || !(\valid[10] == 1)) || !(\valid[14] == 1)) || !(\valid[13] == 1)) || !(30 == unknown-#length-unknown[4])) || !(\valid[2] == 1)) || unknown-#StackHeapBarrier-unknown <= 0) || !(\valid[9] == 1)) || !(head == 0)) || !(cleanupTimeShifts == 4) - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-03-31 23:55:56,897 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...