./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product10.cil.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec1_product10.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1fbaddd6fd169b7b48095dcc33030c6e5a8d967c7f37e463c0b8f5252997cc40 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-20 18:05:45,696 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-20 18:05:45,698 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-20 18:05:45,722 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-20 18:05:45,723 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-20 18:05:45,726 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-20 18:05:45,728 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-20 18:05:45,733 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-20 18:05:45,734 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-20 18:05:45,739 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-20 18:05:45,739 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-20 18:05:45,741 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-20 18:05:45,741 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-20 18:05:45,743 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-20 18:05:45,744 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-20 18:05:45,745 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-20 18:05:45,746 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-20 18:05:45,747 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-20 18:05:45,750 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-20 18:05:45,754 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-20 18:05:45,756 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-20 18:05:45,756 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-20 18:05:45,758 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-20 18:05:45,758 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-20 18:05:45,760 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-20 18:05:45,761 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-20 18:05:45,761 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-20 18:05:45,762 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-20 18:05:45,762 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-20 18:05:45,763 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-20 18:05:45,764 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-20 18:05:45,764 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-20 18:05:45,765 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-20 18:05:45,766 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-20 18:05:45,767 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-20 18:05:45,767 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-20 18:05:45,767 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-20 18:05:45,768 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-20 18:05:45,768 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-20 18:05:45,768 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-20 18:05:45,769 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-20 18:05:45,770 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-02-20 18:05:45,800 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-20 18:05:45,800 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-20 18:05:45,800 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-20 18:05:45,801 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-20 18:05:45,801 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-20 18:05:45,802 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-20 18:05:45,802 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-20 18:05:45,802 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-20 18:05:45,802 INFO L138 SettingsManager]: * Use SBE=true [2022-02-20 18:05:45,803 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-20 18:05:45,803 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-20 18:05:45,803 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-20 18:05:45,804 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-20 18:05:45,804 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-20 18:05:45,804 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-20 18:05:45,804 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-20 18:05:45,804 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-20 18:05:45,804 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-20 18:05:45,804 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-20 18:05:45,805 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-20 18:05:45,805 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-20 18:05:45,805 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-20 18:05:45,805 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-20 18:05:45,805 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-20 18:05:45,805 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 18:05:45,806 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-20 18:05:45,806 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-20 18:05:45,807 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-20 18:05:45,807 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-20 18:05:45,807 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-20 18:05:45,807 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-20 18:05:45,808 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-02-20 18:05:45,808 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-20 18:05:45,808 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1fbaddd6fd169b7b48095dcc33030c6e5a8d967c7f37e463c0b8f5252997cc40 [2022-02-20 18:05:46,019 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-20 18:05:46,036 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-20 18:05:46,039 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-20 18:05:46,040 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-20 18:05:46,040 INFO L275 PluginConnector]: CDTParser initialized [2022-02-20 18:05:46,041 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product10.cil.c [2022-02-20 18:05:46,099 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d370e4692/83c8fa6af45548f398dd54e989527240/FLAGdb032c6c4 [2022-02-20 18:05:46,489 INFO L306 CDTParser]: Found 1 translation units. [2022-02-20 18:05:46,490 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product10.cil.c [2022-02-20 18:05:46,498 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d370e4692/83c8fa6af45548f398dd54e989527240/FLAGdb032c6c4 [2022-02-20 18:05:46,511 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d370e4692/83c8fa6af45548f398dd54e989527240 [2022-02-20 18:05:46,513 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-20 18:05:46,514 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-20 18:05:46,515 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-20 18:05:46,515 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-20 18:05:46,517 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-20 18:05:46,518 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 06:05:46" (1/1) ... [2022-02-20 18:05:46,519 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4510941 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:05:46, skipping insertion in model container [2022-02-20 18:05:46,519 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.02 06:05:46" (1/1) ... [2022-02-20 18:05:46,524 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-20 18:05:46,544 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-20 18:05:46,676 WARN L230 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_spec1_product10.cil.c[1605,1618] [2022-02-20 18:05:46,753 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 18:05:46,760 INFO L203 MainTranslator]: Completed pre-run [2022-02-20 18:05:46,768 WARN L230 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_spec1_product10.cil.c[1605,1618] [2022-02-20 18:05:46,805 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-20 18:05:46,817 INFO L208 MainTranslator]: Completed translation [2022-02-20 18:05:46,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:05:46 WrapperNode [2022-02-20 18:05:46,820 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-20 18:05:46,821 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-20 18:05:46,821 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-20 18:05:46,822 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-20 18:05:46,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:05:46" (1/1) ... [2022-02-20 18:05:46,839 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:05:46" (1/1) ... [2022-02-20 18:05:46,871 INFO L137 Inliner]: procedures = 51, calls = 147, calls flagged for inlining = 19, calls inlined = 14, statements flattened = 183 [2022-02-20 18:05:46,871 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-20 18:05:46,872 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-20 18:05:46,872 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-20 18:05:46,872 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-20 18:05:46,878 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:05:46" (1/1) ... [2022-02-20 18:05:46,878 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:05:46" (1/1) ... [2022-02-20 18:05:46,880 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:05:46" (1/1) ... [2022-02-20 18:05:46,889 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:05:46" (1/1) ... [2022-02-20 18:05:46,893 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:05:46" (1/1) ... [2022-02-20 18:05:46,896 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:05:46" (1/1) ... [2022-02-20 18:05:46,897 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:05:46" (1/1) ... [2022-02-20 18:05:46,899 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-20 18:05:46,899 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-20 18:05:46,899 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-20 18:05:46,900 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-20 18:05:46,900 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:05:46" (1/1) ... [2022-02-20 18:05:46,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-20 18:05:46,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-20 18:05:46,924 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) [2022-02-20 18:05:46,952 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 [2022-02-20 18:05:46,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-20 18:05:46,965 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-02-20 18:05:46,965 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-02-20 18:05:46,965 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-02-20 18:05:46,965 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-02-20 18:05:46,965 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-02-20 18:05:46,965 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-02-20 18:05:46,965 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-02-20 18:05:46,967 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-02-20 18:05:46,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-20 18:05:46,968 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-02-20 18:05:46,968 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-02-20 18:05:46,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-20 18:05:46,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-20 18:05:47,016 INFO L234 CfgBuilder]: Building ICFG [2022-02-20 18:05:47,017 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-20 18:05:47,265 INFO L275 CfgBuilder]: Performing block encoding [2022-02-20 18:05:47,270 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-20 18:05:47,271 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-02-20 18:05:47,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 06:05:47 BoogieIcfgContainer [2022-02-20 18:05:47,272 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-20 18:05:47,273 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-20 18:05:47,274 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-20 18:05:47,276 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-20 18:05:47,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.02 06:05:46" (1/3) ... [2022-02-20 18:05:47,277 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35d95a9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 06:05:47, skipping insertion in model container [2022-02-20 18:05:47,278 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.02 06:05:46" (2/3) ... [2022-02-20 18:05:47,278 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35d95a9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.02 06:05:47, skipping insertion in model container [2022-02-20 18:05:47,278 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 06:05:47" (3/3) ... [2022-02-20 18:05:47,279 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product10.cil.c [2022-02-20 18:05:47,286 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-20 18:05:47,286 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-20 18:05:47,333 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-20 18:05:47,338 INFO L339 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=PETRI_NET, 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, mLoopAccelerationTechnique=FAST_UPR [2022-02-20 18:05:47,338 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-02-20 18:05:47,352 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 49 states have (on average 1.3877551020408163) internal successors, (68), 53 states have internal predecessors, (68), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2022-02-20 18:05:47,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-02-20 18:05:47,356 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:05:47,356 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 18:05:47,357 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 18:05:47,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:05:47,360 INFO L85 PathProgramCache]: Analyzing trace with hash 840148196, now seen corresponding path program 1 times [2022-02-20 18:05:47,367 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:05:47,367 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740577025] [2022-02-20 18:05:47,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:05:47,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:05:47,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:05:47,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-02-20 18:05:47,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:05:47,574 INFO L290 TraceCheckUtils]: 0: Hoare triple {66#true} havoc ~retValue_acc~0;~retValue_acc~0 := ~methaneLevelCritical~0;#res := ~retValue_acc~0; {66#true} is VALID [2022-02-20 18:05:47,574 INFO L290 TraceCheckUtils]: 1: Hoare triple {66#true} assume true; {66#true} is VALID [2022-02-20 18:05:47,575 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {66#true} {67#false} #170#return; {67#false} is VALID [2022-02-20 18:05:47,580 INFO L290 TraceCheckUtils]: 0: Hoare triple {66#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(30, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(21, 11);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(25, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {66#true} is VALID [2022-02-20 18:05:47,581 INFO L290 TraceCheckUtils]: 1: Hoare triple {66#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret13#1, main_~retValue_acc~2#1, main_~tmp~1#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; {66#true} is VALID [2022-02-20 18:05:47,581 INFO L290 TraceCheckUtils]: 2: Hoare triple {66#true} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {66#true} is VALID [2022-02-20 18:05:47,581 INFO L290 TraceCheckUtils]: 3: Hoare triple {66#true} assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; {66#true} is VALID [2022-02-20 18:05:47,582 INFO L290 TraceCheckUtils]: 4: Hoare triple {66#true} main_#t~ret13#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;assume -2147483648 <= main_#t~ret13#1 && main_#t~ret13#1 <= 2147483647;main_~tmp~1#1 := main_#t~ret13#1;havoc main_#t~ret13#1; {66#true} is VALID [2022-02-20 18:05:47,582 INFO L290 TraceCheckUtils]: 5: Hoare triple {66#true} assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; {66#true} is VALID [2022-02-20 18:05:47,583 INFO L290 TraceCheckUtils]: 6: Hoare triple {66#true} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet9#1, test_#t~nondet10#1, test_#t~nondet11#1, test_#t~nondet12#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {66#true} is VALID [2022-02-20 18:05:47,583 INFO L290 TraceCheckUtils]: 7: Hoare triple {66#true} assume !true; {67#false} is VALID [2022-02-20 18:05:47,584 INFO L272 TraceCheckUtils]: 8: Hoare triple {67#false} call cleanup(); {67#false} is VALID [2022-02-20 18:05:47,584 INFO L290 TraceCheckUtils]: 9: Hoare triple {67#false} havoc ~i~0;havoc ~__cil_tmp2~0; {67#false} is VALID [2022-02-20 18:05:47,584 INFO L272 TraceCheckUtils]: 10: Hoare triple {67#false} call timeShift(); {67#false} is VALID [2022-02-20 18:05:47,584 INFO L290 TraceCheckUtils]: 11: Hoare triple {67#false} assume !(0 != ~pumpRunning~0); {67#false} is VALID [2022-02-20 18:05:47,585 INFO L290 TraceCheckUtils]: 12: Hoare triple {67#false} assume !(0 != ~systemActive~0); {67#false} is VALID [2022-02-20 18:05:47,585 INFO L290 TraceCheckUtils]: 13: Hoare triple {67#false} assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret47#1, __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification1_spec__1_~tmp~6#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~1#1; {67#false} is VALID [2022-02-20 18:05:47,585 INFO L272 TraceCheckUtils]: 14: Hoare triple {67#false} call __utac_acc__Specification1_spec__1_#t~ret47#1 := isMethaneLevelCritical(); {66#true} is VALID [2022-02-20 18:05:47,585 INFO L290 TraceCheckUtils]: 15: Hoare triple {66#true} havoc ~retValue_acc~0;~retValue_acc~0 := ~methaneLevelCritical~0;#res := ~retValue_acc~0; {66#true} is VALID [2022-02-20 18:05:47,585 INFO L290 TraceCheckUtils]: 16: Hoare triple {66#true} assume true; {66#true} is VALID [2022-02-20 18:05:47,586 INFO L284 TraceCheckUtils]: 17: Hoare quadruple {66#true} {67#false} #170#return; {67#false} is VALID [2022-02-20 18:05:47,586 INFO L290 TraceCheckUtils]: 18: Hoare triple {67#false} assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret47#1 && __utac_acc__Specification1_spec__1_#t~ret47#1 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~6#1 := __utac_acc__Specification1_spec__1_#t~ret47#1;havoc __utac_acc__Specification1_spec__1_#t~ret47#1; {67#false} is VALID [2022-02-20 18:05:47,587 INFO L290 TraceCheckUtils]: 19: Hoare triple {67#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~6#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;havoc isPumpRunning_~retValue_acc~7#1;isPumpRunning_~retValue_acc~7#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; {67#false} is VALID [2022-02-20 18:05:47,587 INFO L290 TraceCheckUtils]: 20: Hoare triple {67#false} __utac_acc__Specification1_spec__1_#t~ret48#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret48#1 && __utac_acc__Specification1_spec__1_#t~ret48#1 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~1#1 := __utac_acc__Specification1_spec__1_#t~ret48#1;havoc __utac_acc__Specification1_spec__1_#t~ret48#1; {67#false} is VALID [2022-02-20 18:05:47,592 INFO L290 TraceCheckUtils]: 21: Hoare triple {67#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :begin_inline___automaton_fail } true; {67#false} is VALID [2022-02-20 18:05:47,592 INFO L290 TraceCheckUtils]: 22: Hoare triple {67#false} assume !false; {67#false} is VALID [2022-02-20 18:05:47,593 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 18:05:47,593 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:05:47,593 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740577025] [2022-02-20 18:05:47,594 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740577025] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:05:47,594 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:05:47,594 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-20 18:05:47,596 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259208654] [2022-02-20 18:05:47,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:05:47,600 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2022-02-20 18:05:47,603 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:05:47,606 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:05:47,641 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 23 edges. 23 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:05:47,641 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-20 18:05:47,642 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:05:47,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-20 18:05:47,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-20 18:05:47,662 INFO L87 Difference]: Start difference. First operand has 63 states, 49 states have (on average 1.3877551020408163) internal successors, (68), 53 states have internal predecessors, (68), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:05:47,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:05:47,751 INFO L93 Difference]: Finished difference Result 118 states and 159 transitions. [2022-02-20 18:05:47,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-20 18:05:47,752 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2022-02-20 18:05:47,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:05:47,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:05:47,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 159 transitions. [2022-02-20 18:05:47,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:05:47,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 159 transitions. [2022-02-20 18:05:47,776 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states and 159 transitions. [2022-02-20 18:05:47,905 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 159 edges. 159 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:05:47,911 INFO L225 Difference]: With dead ends: 118 [2022-02-20 18:05:47,912 INFO L226 Difference]: Without dead ends: 54 [2022-02-20 18:05:47,914 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-20 18:05:47,916 INFO L933 BasicCegarLoop]: 76 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 18:05:47,917 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 18:05:47,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2022-02-20 18:05:47,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2022-02-20 18:05:47,937 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:05:47,938 INFO L82 GeneralOperation]: Start isEquivalent. First operand 54 states. Second operand has 54 states, 42 states have (on average 1.2857142857142858) internal successors, (54), 45 states have internal predecessors, (54), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-02-20 18:05:47,939 INFO L74 IsIncluded]: Start isIncluded. First operand 54 states. Second operand has 54 states, 42 states have (on average 1.2857142857142858) internal successors, (54), 45 states have internal predecessors, (54), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-02-20 18:05:47,939 INFO L87 Difference]: Start difference. First operand 54 states. Second operand has 54 states, 42 states have (on average 1.2857142857142858) internal successors, (54), 45 states have internal predecessors, (54), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-02-20 18:05:47,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:05:47,943 INFO L93 Difference]: Finished difference Result 54 states and 67 transitions. [2022-02-20 18:05:47,943 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 67 transitions. [2022-02-20 18:05:47,943 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:05:47,944 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:05:47,944 INFO L74 IsIncluded]: Start isIncluded. First operand has 54 states, 42 states have (on average 1.2857142857142858) internal successors, (54), 45 states have internal predecessors, (54), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand 54 states. [2022-02-20 18:05:47,944 INFO L87 Difference]: Start difference. First operand has 54 states, 42 states have (on average 1.2857142857142858) internal successors, (54), 45 states have internal predecessors, (54), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand 54 states. [2022-02-20 18:05:47,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:05:47,947 INFO L93 Difference]: Finished difference Result 54 states and 67 transitions. [2022-02-20 18:05:47,947 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 67 transitions. [2022-02-20 18:05:47,957 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:05:47,958 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:05:47,961 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:05:47,961 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:05:47,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 42 states have (on average 1.2857142857142858) internal successors, (54), 45 states have internal predecessors, (54), 7 states have call successors, (7), 5 states have call predecessors, (7), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-02-20 18:05:47,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 67 transitions. [2022-02-20 18:05:47,966 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 67 transitions. Word has length 23 [2022-02-20 18:05:47,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:05:47,984 INFO L470 AbstractCegarLoop]: Abstraction has 54 states and 67 transitions. [2022-02-20 18:05:47,984 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:05:47,984 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 67 transitions. [2022-02-20 18:05:47,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-02-20 18:05:47,985 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:05:47,985 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 18:05:47,985 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-20 18:05:47,986 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 18:05:47,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:05:47,986 INFO L85 PathProgramCache]: Analyzing trace with hash -815618592, now seen corresponding path program 1 times [2022-02-20 18:05:47,987 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:05:47,987 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849161493] [2022-02-20 18:05:47,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:05:47,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:05:48,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:05:48,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-02-20 18:05:48,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:05:48,034 INFO L290 TraceCheckUtils]: 0: Hoare triple {427#true} havoc ~retValue_acc~0;~retValue_acc~0 := ~methaneLevelCritical~0;#res := ~retValue_acc~0; {427#true} is VALID [2022-02-20 18:05:48,034 INFO L290 TraceCheckUtils]: 1: Hoare triple {427#true} assume true; {427#true} is VALID [2022-02-20 18:05:48,035 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {427#true} {428#false} #170#return; {428#false} is VALID [2022-02-20 18:05:48,035 INFO L290 TraceCheckUtils]: 0: Hoare triple {427#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(30, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(21, 11);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(25, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {427#true} is VALID [2022-02-20 18:05:48,035 INFO L290 TraceCheckUtils]: 1: Hoare triple {427#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret13#1, main_~retValue_acc~2#1, main_~tmp~1#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; {427#true} is VALID [2022-02-20 18:05:48,035 INFO L290 TraceCheckUtils]: 2: Hoare triple {427#true} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {427#true} is VALID [2022-02-20 18:05:48,035 INFO L290 TraceCheckUtils]: 3: Hoare triple {427#true} assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; {427#true} is VALID [2022-02-20 18:05:48,036 INFO L290 TraceCheckUtils]: 4: Hoare triple {427#true} main_#t~ret13#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;assume -2147483648 <= main_#t~ret13#1 && main_#t~ret13#1 <= 2147483647;main_~tmp~1#1 := main_#t~ret13#1;havoc main_#t~ret13#1; {427#true} is VALID [2022-02-20 18:05:48,036 INFO L290 TraceCheckUtils]: 5: Hoare triple {427#true} assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; {427#true} is VALID [2022-02-20 18:05:48,036 INFO L290 TraceCheckUtils]: 6: Hoare triple {427#true} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet9#1, test_#t~nondet10#1, test_#t~nondet11#1, test_#t~nondet12#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {429#(= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)} is VALID [2022-02-20 18:05:48,037 INFO L290 TraceCheckUtils]: 7: Hoare triple {429#(= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)} assume !false; {429#(= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)} is VALID [2022-02-20 18:05:48,037 INFO L290 TraceCheckUtils]: 8: Hoare triple {429#(= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)} assume !(test_~splverifierCounter~0#1 < 4); {428#false} is VALID [2022-02-20 18:05:48,038 INFO L272 TraceCheckUtils]: 9: Hoare triple {428#false} call cleanup(); {428#false} is VALID [2022-02-20 18:05:48,038 INFO L290 TraceCheckUtils]: 10: Hoare triple {428#false} havoc ~i~0;havoc ~__cil_tmp2~0; {428#false} is VALID [2022-02-20 18:05:48,038 INFO L272 TraceCheckUtils]: 11: Hoare triple {428#false} call timeShift(); {428#false} is VALID [2022-02-20 18:05:48,038 INFO L290 TraceCheckUtils]: 12: Hoare triple {428#false} assume !(0 != ~pumpRunning~0); {428#false} is VALID [2022-02-20 18:05:48,038 INFO L290 TraceCheckUtils]: 13: Hoare triple {428#false} assume !(0 != ~systemActive~0); {428#false} is VALID [2022-02-20 18:05:48,038 INFO L290 TraceCheckUtils]: 14: Hoare triple {428#false} assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret47#1, __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification1_spec__1_~tmp~6#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~1#1; {428#false} is VALID [2022-02-20 18:05:48,039 INFO L272 TraceCheckUtils]: 15: Hoare triple {428#false} call __utac_acc__Specification1_spec__1_#t~ret47#1 := isMethaneLevelCritical(); {427#true} is VALID [2022-02-20 18:05:48,039 INFO L290 TraceCheckUtils]: 16: Hoare triple {427#true} havoc ~retValue_acc~0;~retValue_acc~0 := ~methaneLevelCritical~0;#res := ~retValue_acc~0; {427#true} is VALID [2022-02-20 18:05:48,039 INFO L290 TraceCheckUtils]: 17: Hoare triple {427#true} assume true; {427#true} is VALID [2022-02-20 18:05:48,039 INFO L284 TraceCheckUtils]: 18: Hoare quadruple {427#true} {428#false} #170#return; {428#false} is VALID [2022-02-20 18:05:48,039 INFO L290 TraceCheckUtils]: 19: Hoare triple {428#false} assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret47#1 && __utac_acc__Specification1_spec__1_#t~ret47#1 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~6#1 := __utac_acc__Specification1_spec__1_#t~ret47#1;havoc __utac_acc__Specification1_spec__1_#t~ret47#1; {428#false} is VALID [2022-02-20 18:05:48,040 INFO L290 TraceCheckUtils]: 20: Hoare triple {428#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~6#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;havoc isPumpRunning_~retValue_acc~7#1;isPumpRunning_~retValue_acc~7#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; {428#false} is VALID [2022-02-20 18:05:48,040 INFO L290 TraceCheckUtils]: 21: Hoare triple {428#false} __utac_acc__Specification1_spec__1_#t~ret48#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret48#1 && __utac_acc__Specification1_spec__1_#t~ret48#1 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~1#1 := __utac_acc__Specification1_spec__1_#t~ret48#1;havoc __utac_acc__Specification1_spec__1_#t~ret48#1; {428#false} is VALID [2022-02-20 18:05:48,040 INFO L290 TraceCheckUtils]: 22: Hoare triple {428#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :begin_inline___automaton_fail } true; {428#false} is VALID [2022-02-20 18:05:48,040 INFO L290 TraceCheckUtils]: 23: Hoare triple {428#false} assume !false; {428#false} is VALID [2022-02-20 18:05:48,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 18:05:48,041 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:05:48,041 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849161493] [2022-02-20 18:05:48,041 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849161493] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:05:48,041 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:05:48,041 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 18:05:48,042 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344189907] [2022-02-20 18:05:48,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:05:48,043 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2022-02-20 18:05:48,043 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:05:48,043 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:05:48,061 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:05:48,061 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 18:05:48,061 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:05:48,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 18:05:48,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 18:05:48,062 INFO L87 Difference]: Start difference. First operand 54 states and 67 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:05:48,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:05:48,116 INFO L93 Difference]: Finished difference Result 73 states and 89 transitions. [2022-02-20 18:05:48,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 18:05:48,117 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2022-02-20 18:05:48,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:05:48,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:05:48,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 89 transitions. [2022-02-20 18:05:48,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:05:48,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 89 transitions. [2022-02-20 18:05:48,121 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 89 transitions. [2022-02-20 18:05:48,182 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 89 edges. 89 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:05:48,184 INFO L225 Difference]: With dead ends: 73 [2022-02-20 18:05:48,184 INFO L226 Difference]: Without dead ends: 45 [2022-02-20 18:05:48,184 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 18:05:48,185 INFO L933 BasicCegarLoop]: 54 mSDtfsCounter, 13 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 18:05:48,186 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [16 Valid, 91 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 18:05:48,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2022-02-20 18:05:48,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2022-02-20 18:05:48,189 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:05:48,189 INFO L82 GeneralOperation]: Start isEquivalent. First operand 45 states. Second operand has 45 states, 36 states have (on average 1.3055555555555556) internal successors, (47), 39 states have internal predecessors, (47), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-02-20 18:05:48,190 INFO L74 IsIncluded]: Start isIncluded. First operand 45 states. Second operand has 45 states, 36 states have (on average 1.3055555555555556) internal successors, (47), 39 states have internal predecessors, (47), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-02-20 18:05:48,190 INFO L87 Difference]: Start difference. First operand 45 states. Second operand has 45 states, 36 states have (on average 1.3055555555555556) internal successors, (47), 39 states have internal predecessors, (47), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-02-20 18:05:48,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:05:48,191 INFO L93 Difference]: Finished difference Result 45 states and 55 transitions. [2022-02-20 18:05:48,191 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 55 transitions. [2022-02-20 18:05:48,192 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:05:48,192 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:05:48,192 INFO L74 IsIncluded]: Start isIncluded. First operand has 45 states, 36 states have (on average 1.3055555555555556) internal successors, (47), 39 states have internal predecessors, (47), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand 45 states. [2022-02-20 18:05:48,192 INFO L87 Difference]: Start difference. First operand has 45 states, 36 states have (on average 1.3055555555555556) internal successors, (47), 39 states have internal predecessors, (47), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand 45 states. [2022-02-20 18:05:48,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:05:48,194 INFO L93 Difference]: Finished difference Result 45 states and 55 transitions. [2022-02-20 18:05:48,194 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 55 transitions. [2022-02-20 18:05:48,194 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:05:48,194 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:05:48,194 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:05:48,194 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:05:48,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 36 states have (on average 1.3055555555555556) internal successors, (47), 39 states have internal predecessors, (47), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-02-20 18:05:48,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 55 transitions. [2022-02-20 18:05:48,196 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 55 transitions. Word has length 24 [2022-02-20 18:05:48,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:05:48,196 INFO L470 AbstractCegarLoop]: Abstraction has 45 states and 55 transitions. [2022-02-20 18:05:48,197 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:05:48,197 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 55 transitions. [2022-02-20 18:05:48,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-02-20 18:05:48,197 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:05:48,197 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 18:05:48,198 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-20 18:05:48,198 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 18:05:48,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:05:48,198 INFO L85 PathProgramCache]: Analyzing trace with hash -1341846046, now seen corresponding path program 1 times [2022-02-20 18:05:48,198 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:05:48,199 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446246960] [2022-02-20 18:05:48,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:05:48,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:05:48,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:05:48,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-02-20 18:05:48,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:05:48,255 INFO L290 TraceCheckUtils]: 0: Hoare triple {691#true} havoc ~retValue_acc~0;~retValue_acc~0 := ~methaneLevelCritical~0;#res := ~retValue_acc~0; {691#true} is VALID [2022-02-20 18:05:48,256 INFO L290 TraceCheckUtils]: 1: Hoare triple {691#true} assume true; {691#true} is VALID [2022-02-20 18:05:48,256 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {691#true} {692#false} #170#return; {692#false} is VALID [2022-02-20 18:05:48,256 INFO L290 TraceCheckUtils]: 0: Hoare triple {691#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(30, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(21, 11);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(25, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {691#true} is VALID [2022-02-20 18:05:48,256 INFO L290 TraceCheckUtils]: 1: Hoare triple {691#true} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret13#1, main_~retValue_acc~2#1, main_~tmp~1#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; {691#true} is VALID [2022-02-20 18:05:48,257 INFO L290 TraceCheckUtils]: 2: Hoare triple {691#true} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {691#true} is VALID [2022-02-20 18:05:48,257 INFO L290 TraceCheckUtils]: 3: Hoare triple {691#true} assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; {691#true} is VALID [2022-02-20 18:05:48,257 INFO L290 TraceCheckUtils]: 4: Hoare triple {691#true} main_#t~ret13#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;assume -2147483648 <= main_#t~ret13#1 && main_#t~ret13#1 <= 2147483647;main_~tmp~1#1 := main_#t~ret13#1;havoc main_#t~ret13#1; {691#true} is VALID [2022-02-20 18:05:48,257 INFO L290 TraceCheckUtils]: 5: Hoare triple {691#true} assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; {691#true} is VALID [2022-02-20 18:05:48,257 INFO L290 TraceCheckUtils]: 6: Hoare triple {691#true} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet9#1, test_#t~nondet10#1, test_#t~nondet11#1, test_#t~nondet12#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {691#true} is VALID [2022-02-20 18:05:48,258 INFO L290 TraceCheckUtils]: 7: Hoare triple {691#true} assume !false; {691#true} is VALID [2022-02-20 18:05:48,258 INFO L290 TraceCheckUtils]: 8: Hoare triple {691#true} assume test_~splverifierCounter~0#1 < 4; {691#true} is VALID [2022-02-20 18:05:48,258 INFO L290 TraceCheckUtils]: 9: Hoare triple {691#true} assume -2147483648 <= test_#t~nondet9#1 && test_#t~nondet9#1 <= 2147483647;test_~tmp~0#1 := test_#t~nondet9#1;havoc test_#t~nondet9#1; {691#true} is VALID [2022-02-20 18:05:48,258 INFO L290 TraceCheckUtils]: 10: Hoare triple {691#true} assume !(0 != test_~tmp~0#1); {691#true} is VALID [2022-02-20 18:05:48,258 INFO L290 TraceCheckUtils]: 11: Hoare triple {691#true} assume -2147483648 <= test_#t~nondet10#1 && test_#t~nondet10#1 <= 2147483647;test_~tmp___0~0#1 := test_#t~nondet10#1;havoc test_#t~nondet10#1; {691#true} is VALID [2022-02-20 18:05:48,259 INFO L290 TraceCheckUtils]: 12: Hoare triple {691#true} assume !(0 != test_~tmp___0~0#1); {691#true} is VALID [2022-02-20 18:05:48,259 INFO L290 TraceCheckUtils]: 13: Hoare triple {691#true} assume -2147483648 <= test_#t~nondet11#1 && test_#t~nondet11#1 <= 2147483647;test_~tmp___2~0#1 := test_#t~nondet11#1;havoc test_#t~nondet11#1; {691#true} is VALID [2022-02-20 18:05:48,259 INFO L290 TraceCheckUtils]: 14: Hoare triple {691#true} assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; {693#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:05:48,260 INFO L290 TraceCheckUtils]: 15: Hoare triple {693#(= 1 ~systemActive~0)} assume { :end_inline_startSystem } true; {693#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:05:48,260 INFO L272 TraceCheckUtils]: 16: Hoare triple {693#(= 1 ~systemActive~0)} call timeShift(); {693#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:05:48,261 INFO L290 TraceCheckUtils]: 17: Hoare triple {693#(= 1 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {693#(= 1 ~systemActive~0)} is VALID [2022-02-20 18:05:48,261 INFO L290 TraceCheckUtils]: 18: Hoare triple {693#(= 1 ~systemActive~0)} assume !(0 != ~systemActive~0); {692#false} is VALID [2022-02-20 18:05:48,261 INFO L290 TraceCheckUtils]: 19: Hoare triple {692#false} assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret47#1, __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification1_spec__1_~tmp~6#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~1#1; {692#false} is VALID [2022-02-20 18:05:48,262 INFO L272 TraceCheckUtils]: 20: Hoare triple {692#false} call __utac_acc__Specification1_spec__1_#t~ret47#1 := isMethaneLevelCritical(); {691#true} is VALID [2022-02-20 18:05:48,262 INFO L290 TraceCheckUtils]: 21: Hoare triple {691#true} havoc ~retValue_acc~0;~retValue_acc~0 := ~methaneLevelCritical~0;#res := ~retValue_acc~0; {691#true} is VALID [2022-02-20 18:05:48,262 INFO L290 TraceCheckUtils]: 22: Hoare triple {691#true} assume true; {691#true} is VALID [2022-02-20 18:05:48,262 INFO L284 TraceCheckUtils]: 23: Hoare quadruple {691#true} {692#false} #170#return; {692#false} is VALID [2022-02-20 18:05:48,262 INFO L290 TraceCheckUtils]: 24: Hoare triple {692#false} assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret47#1 && __utac_acc__Specification1_spec__1_#t~ret47#1 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~6#1 := __utac_acc__Specification1_spec__1_#t~ret47#1;havoc __utac_acc__Specification1_spec__1_#t~ret47#1; {692#false} is VALID [2022-02-20 18:05:48,262 INFO L290 TraceCheckUtils]: 25: Hoare triple {692#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp~6#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;havoc isPumpRunning_~retValue_acc~7#1;isPumpRunning_~retValue_acc~7#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; {692#false} is VALID [2022-02-20 18:05:48,263 INFO L290 TraceCheckUtils]: 26: Hoare triple {692#false} __utac_acc__Specification1_spec__1_#t~ret48#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret48#1 && __utac_acc__Specification1_spec__1_#t~ret48#1 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~1#1 := __utac_acc__Specification1_spec__1_#t~ret48#1;havoc __utac_acc__Specification1_spec__1_#t~ret48#1; {692#false} is VALID [2022-02-20 18:05:48,263 INFO L290 TraceCheckUtils]: 27: Hoare triple {692#false} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :begin_inline___automaton_fail } true; {692#false} is VALID [2022-02-20 18:05:48,263 INFO L290 TraceCheckUtils]: 28: Hoare triple {692#false} assume !false; {692#false} is VALID [2022-02-20 18:05:48,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 18:05:48,264 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:05:48,264 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446246960] [2022-02-20 18:05:48,264 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446246960] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:05:48,264 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:05:48,264 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-20 18:05:48,264 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315634151] [2022-02-20 18:05:48,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:05:48,265 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2022-02-20 18:05:48,265 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:05:48,265 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:05:48,286 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 29 edges. 29 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:05:48,286 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-20 18:05:48,286 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:05:48,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-20 18:05:48,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 18:05:48,287 INFO L87 Difference]: Start difference. First operand 45 states and 55 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:05:48,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:05:48,334 INFO L93 Difference]: Finished difference Result 83 states and 104 transitions. [2022-02-20 18:05:48,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-20 18:05:48,334 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2022-02-20 18:05:48,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:05:48,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:05:48,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 104 transitions. [2022-02-20 18:05:48,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:05:48,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 104 transitions. [2022-02-20 18:05:48,338 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 3 states and 104 transitions. [2022-02-20 18:05:48,405 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 104 edges. 104 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:05:48,407 INFO L225 Difference]: With dead ends: 83 [2022-02-20 18:05:48,407 INFO L226 Difference]: Without dead ends: 45 [2022-02-20 18:05:48,409 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-20 18:05:48,414 INFO L933 BasicCegarLoop]: 53 mSDtfsCounter, 49 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 18:05:48,415 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [49 Valid, 53 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 18:05:48,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2022-02-20 18:05:48,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2022-02-20 18:05:48,424 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:05:48,424 INFO L82 GeneralOperation]: Start isEquivalent. First operand 45 states. Second operand has 45 states, 36 states have (on average 1.2777777777777777) internal successors, (46), 39 states have internal predecessors, (46), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-02-20 18:05:48,424 INFO L74 IsIncluded]: Start isIncluded. First operand 45 states. Second operand has 45 states, 36 states have (on average 1.2777777777777777) internal successors, (46), 39 states have internal predecessors, (46), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-02-20 18:05:48,424 INFO L87 Difference]: Start difference. First operand 45 states. Second operand has 45 states, 36 states have (on average 1.2777777777777777) internal successors, (46), 39 states have internal predecessors, (46), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-02-20 18:05:48,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:05:48,427 INFO L93 Difference]: Finished difference Result 45 states and 54 transitions. [2022-02-20 18:05:48,427 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 54 transitions. [2022-02-20 18:05:48,427 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:05:48,427 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:05:48,428 INFO L74 IsIncluded]: Start isIncluded. First operand has 45 states, 36 states have (on average 1.2777777777777777) internal successors, (46), 39 states have internal predecessors, (46), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand 45 states. [2022-02-20 18:05:48,428 INFO L87 Difference]: Start difference. First operand has 45 states, 36 states have (on average 1.2777777777777777) internal successors, (46), 39 states have internal predecessors, (46), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand 45 states. [2022-02-20 18:05:48,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:05:48,431 INFO L93 Difference]: Finished difference Result 45 states and 54 transitions. [2022-02-20 18:05:48,431 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 54 transitions. [2022-02-20 18:05:48,433 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:05:48,433 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:05:48,433 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:05:48,433 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:05:48,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 36 states have (on average 1.2777777777777777) internal successors, (46), 39 states have internal predecessors, (46), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-02-20 18:05:48,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 54 transitions. [2022-02-20 18:05:48,435 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 54 transitions. Word has length 29 [2022-02-20 18:05:48,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:05:48,435 INFO L470 AbstractCegarLoop]: Abstraction has 45 states and 54 transitions. [2022-02-20 18:05:48,435 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:05:48,436 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 54 transitions. [2022-02-20 18:05:48,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-02-20 18:05:48,436 INFO L506 BasicCegarLoop]: Found error trace [2022-02-20 18:05:48,436 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-20 18:05:48,436 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-20 18:05:48,436 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-02-20 18:05:48,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-20 18:05:48,437 INFO L85 PathProgramCache]: Analyzing trace with hash -1776934239, now seen corresponding path program 1 times [2022-02-20 18:05:48,437 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-20 18:05:48,438 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034533600] [2022-02-20 18:05:48,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-20 18:05:48,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-20 18:05:48,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:05:48,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-02-20 18:05:48,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-20 18:05:48,554 INFO L290 TraceCheckUtils]: 0: Hoare triple {967#true} havoc ~retValue_acc~0;~retValue_acc~0 := ~methaneLevelCritical~0;#res := ~retValue_acc~0; {967#true} is VALID [2022-02-20 18:05:48,554 INFO L290 TraceCheckUtils]: 1: Hoare triple {967#true} assume true; {967#true} is VALID [2022-02-20 18:05:48,556 INFO L284 TraceCheckUtils]: 2: Hoare quadruple {967#true} {969#(= ~pumpRunning~0 0)} #170#return; {969#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:48,557 INFO L290 TraceCheckUtils]: 0: Hoare triple {967#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(30, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(21, 11);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(25, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; {969#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:48,558 INFO L290 TraceCheckUtils]: 1: Hoare triple {969#(= ~pumpRunning~0 0)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret13#1, main_~retValue_acc~2#1, main_~tmp~1#1;havoc main_~retValue_acc~2#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; {969#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:48,558 INFO L290 TraceCheckUtils]: 2: Hoare triple {969#(= ~pumpRunning~0 0)} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {969#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:48,558 INFO L290 TraceCheckUtils]: 3: Hoare triple {969#(= ~pumpRunning~0 0)} assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; {969#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:48,561 INFO L290 TraceCheckUtils]: 4: Hoare triple {969#(= ~pumpRunning~0 0)} main_#t~ret13#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;assume -2147483648 <= main_#t~ret13#1 && main_#t~ret13#1 <= 2147483647;main_~tmp~1#1 := main_#t~ret13#1;havoc main_#t~ret13#1; {969#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:48,562 INFO L290 TraceCheckUtils]: 5: Hoare triple {969#(= ~pumpRunning~0 0)} assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; {969#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:48,562 INFO L290 TraceCheckUtils]: 6: Hoare triple {969#(= ~pumpRunning~0 0)} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet9#1, test_#t~nondet10#1, test_#t~nondet11#1, test_#t~nondet12#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {969#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:48,562 INFO L290 TraceCheckUtils]: 7: Hoare triple {969#(= ~pumpRunning~0 0)} assume !false; {969#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:48,563 INFO L290 TraceCheckUtils]: 8: Hoare triple {969#(= ~pumpRunning~0 0)} assume test_~splverifierCounter~0#1 < 4; {969#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:48,563 INFO L290 TraceCheckUtils]: 9: Hoare triple {969#(= ~pumpRunning~0 0)} assume -2147483648 <= test_#t~nondet9#1 && test_#t~nondet9#1 <= 2147483647;test_~tmp~0#1 := test_#t~nondet9#1;havoc test_#t~nondet9#1; {969#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:48,563 INFO L290 TraceCheckUtils]: 10: Hoare triple {969#(= ~pumpRunning~0 0)} assume !(0 != test_~tmp~0#1); {969#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:48,564 INFO L290 TraceCheckUtils]: 11: Hoare triple {969#(= ~pumpRunning~0 0)} assume -2147483648 <= test_#t~nondet10#1 && test_#t~nondet10#1 <= 2147483647;test_~tmp___0~0#1 := test_#t~nondet10#1;havoc test_#t~nondet10#1; {969#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:48,566 INFO L290 TraceCheckUtils]: 12: Hoare triple {969#(= ~pumpRunning~0 0)} assume !(0 != test_~tmp___0~0#1); {969#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:48,567 INFO L290 TraceCheckUtils]: 13: Hoare triple {969#(= ~pumpRunning~0 0)} assume -2147483648 <= test_#t~nondet11#1 && test_#t~nondet11#1 <= 2147483647;test_~tmp___2~0#1 := test_#t~nondet11#1;havoc test_#t~nondet11#1; {969#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:48,569 INFO L290 TraceCheckUtils]: 14: Hoare triple {969#(= ~pumpRunning~0 0)} assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; {969#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:48,569 INFO L290 TraceCheckUtils]: 15: Hoare triple {969#(= ~pumpRunning~0 0)} assume { :end_inline_startSystem } true; {969#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:48,571 INFO L272 TraceCheckUtils]: 16: Hoare triple {969#(= ~pumpRunning~0 0)} call timeShift(); {969#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:48,572 INFO L290 TraceCheckUtils]: 17: Hoare triple {969#(= ~pumpRunning~0 0)} assume !(0 != ~pumpRunning~0); {969#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:48,572 INFO L290 TraceCheckUtils]: 18: Hoare triple {969#(= ~pumpRunning~0 0)} assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; {969#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:48,573 INFO L290 TraceCheckUtils]: 19: Hoare triple {969#(= ~pumpRunning~0 0)} assume { :end_inline_processEnvironment } true; {969#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:48,573 INFO L290 TraceCheckUtils]: 20: Hoare triple {969#(= ~pumpRunning~0 0)} assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret47#1, __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification1_spec__1_~tmp~6#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~1#1; {969#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:48,573 INFO L272 TraceCheckUtils]: 21: Hoare triple {969#(= ~pumpRunning~0 0)} call __utac_acc__Specification1_spec__1_#t~ret47#1 := isMethaneLevelCritical(); {967#true} is VALID [2022-02-20 18:05:48,574 INFO L290 TraceCheckUtils]: 22: Hoare triple {967#true} havoc ~retValue_acc~0;~retValue_acc~0 := ~methaneLevelCritical~0;#res := ~retValue_acc~0; {967#true} is VALID [2022-02-20 18:05:48,575 INFO L290 TraceCheckUtils]: 23: Hoare triple {967#true} assume true; {967#true} is VALID [2022-02-20 18:05:48,576 INFO L284 TraceCheckUtils]: 24: Hoare quadruple {967#true} {969#(= ~pumpRunning~0 0)} #170#return; {969#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:48,576 INFO L290 TraceCheckUtils]: 25: Hoare triple {969#(= ~pumpRunning~0 0)} assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret47#1 && __utac_acc__Specification1_spec__1_#t~ret47#1 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp~6#1 := __utac_acc__Specification1_spec__1_#t~ret47#1;havoc __utac_acc__Specification1_spec__1_#t~ret47#1; {969#(= ~pumpRunning~0 0)} is VALID [2022-02-20 18:05:48,578 INFO L290 TraceCheckUtils]: 26: Hoare triple {969#(= ~pumpRunning~0 0)} assume 0 != __utac_acc__Specification1_spec__1_~tmp~6#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;havoc isPumpRunning_~retValue_acc~7#1;isPumpRunning_~retValue_acc~7#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; {973#(= |timeShift_isPumpRunning_#res#1| 0)} is VALID [2022-02-20 18:05:48,578 INFO L290 TraceCheckUtils]: 27: Hoare triple {973#(= |timeShift_isPumpRunning_#res#1| 0)} __utac_acc__Specification1_spec__1_#t~ret48#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;assume -2147483648 <= __utac_acc__Specification1_spec__1_#t~ret48#1 && __utac_acc__Specification1_spec__1_#t~ret48#1 <= 2147483647;__utac_acc__Specification1_spec__1_~tmp___0~1#1 := __utac_acc__Specification1_spec__1_#t~ret48#1;havoc __utac_acc__Specification1_spec__1_#t~ret48#1; {974#(= |timeShift___utac_acc__Specification1_spec__1_~tmp___0~1#1| 0)} is VALID [2022-02-20 18:05:48,579 INFO L290 TraceCheckUtils]: 28: Hoare triple {974#(= |timeShift___utac_acc__Specification1_spec__1_~tmp___0~1#1| 0)} assume 0 != __utac_acc__Specification1_spec__1_~tmp___0~1#1;assume { :begin_inline___automaton_fail } true; {968#false} is VALID [2022-02-20 18:05:48,579 INFO L290 TraceCheckUtils]: 29: Hoare triple {968#false} assume !false; {968#false} is VALID [2022-02-20 18:05:48,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-20 18:05:48,580 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-20 18:05:48,580 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034533600] [2022-02-20 18:05:48,580 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034533600] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-20 18:05:48,580 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-20 18:05:48,580 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-20 18:05:48,580 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566811298] [2022-02-20 18:05:48,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-20 18:05:48,581 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2022-02-20 18:05:48,581 INFO L84 Accepts]: Finished accepts. word is accepted. [2022-02-20 18:05:48,581 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:05:48,604 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 30 edges. 30 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:05:48,604 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-20 18:05:48,604 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-20 18:05:48,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-20 18:05:48,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-20 18:05:48,605 INFO L87 Difference]: Start difference. First operand 45 states and 54 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:05:48,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:05:48,710 INFO L93 Difference]: Finished difference Result 82 states and 101 transitions. [2022-02-20 18:05:48,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-20 18:05:48,710 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2022-02-20 18:05:48,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-02-20 18:05:48,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:05:48,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 101 transitions. [2022-02-20 18:05:48,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:05:48,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 101 transitions. [2022-02-20 18:05:48,714 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 5 states and 101 transitions. [2022-02-20 18:05:48,777 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 101 edges. 101 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-20 18:05:48,778 INFO L225 Difference]: With dead ends: 82 [2022-02-20 18:05:48,778 INFO L226 Difference]: Without dead ends: 0 [2022-02-20 18:05:48,780 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-02-20 18:05:48,787 INFO L933 BasicCegarLoop]: 47 mSDtfsCounter, 32 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-02-20 18:05:48,788 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [32 Valid, 136 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-02-20 18:05:48,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-02-20 18:05:48,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-02-20 18:05:48,789 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-20 18:05:48,789 INFO L82 GeneralOperation]: Start isEquivalent. First operand 0 states. Second 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) [2022-02-20 18:05:48,789 INFO L74 IsIncluded]: Start isIncluded. First operand 0 states. Second 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) [2022-02-20 18:05:48,789 INFO L87 Difference]: Start difference. First operand 0 states. Second 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) [2022-02-20 18:05:48,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:05:48,789 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-02-20 18:05:48,789 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-20 18:05:48,789 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:05:48,789 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:05:48,789 INFO L74 IsIncluded]: Start isIncluded. First 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) Second operand 0 states. [2022-02-20 18:05:48,789 INFO L87 Difference]: Start difference. First 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) Second operand 0 states. [2022-02-20 18:05:48,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-20 18:05:48,789 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2022-02-20 18:05:48,789 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-20 18:05:48,789 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:05:48,789 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-20 18:05:48,790 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-20 18:05:48,790 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-20 18:05:48,790 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) [2022-02-20 18:05:48,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-02-20 18:05:48,790 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30 [2022-02-20 18:05:48,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-02-20 18:05:48,791 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-02-20 18:05:48,791 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-02-20 18:05:48,791 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-02-20 18:05:48,791 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-20 18:05:48,793 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-02-20 18:05:48,793 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-20 18:05:48,794 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-02-20 18:05:48,904 INFO L858 garLoopResultBuilder]: For program point L95-1(lines 91 102) no Hoare annotation was computed. [2022-02-20 18:05:48,904 INFO L861 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 91 102) the Hoare annotation is: true [2022-02-20 18:05:48,904 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 91 102) no Hoare annotation was computed. [2022-02-20 18:05:48,904 INFO L861 garLoopResultBuilder]: At program point L226-2(lines 226 240) the Hoare annotation is: true [2022-02-20 18:05:48,904 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 216 245) no Hoare annotation was computed. [2022-02-20 18:05:48,905 INFO L861 garLoopResultBuilder]: At program point L222(line 222) the Hoare annotation is: true [2022-02-20 18:05:48,905 INFO L858 garLoopResultBuilder]: For program point L222-1(line 222) no Hoare annotation was computed. [2022-02-20 18:05:48,905 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 216 245) the Hoare annotation is: true [2022-02-20 18:05:48,905 INFO L861 garLoopResultBuilder]: At program point L241(lines 216 245) the Hoare annotation is: true [2022-02-20 18:05:48,905 INFO L858 garLoopResultBuilder]: For program point L237(line 237) no Hoare annotation was computed. [2022-02-20 18:05:48,905 INFO L858 garLoopResultBuilder]: For program point L230(lines 230 234) no Hoare annotation was computed. [2022-02-20 18:05:48,905 INFO L861 garLoopResultBuilder]: At program point L230-1(lines 230 234) the Hoare annotation is: true [2022-02-20 18:05:48,905 INFO L858 garLoopResultBuilder]: For program point L227(line 227) no Hoare annotation was computed. [2022-02-20 18:05:48,905 INFO L858 garLoopResultBuilder]: For program point L830(lines 830 836) no Hoare annotation was computed. [2022-02-20 18:05:48,905 INFO L858 garLoopResultBuilder]: For program point L826(lines 826 839) no Hoare annotation was computed. [2022-02-20 18:05:48,905 INFO L861 garLoopResultBuilder]: At program point L826-1(lines 818 842) the Hoare annotation is: true [2022-02-20 18:05:48,905 INFO L861 garLoopResultBuilder]: At program point L824(line 824) the Hoare annotation is: true [2022-02-20 18:05:48,905 INFO L858 garLoopResultBuilder]: For program point L824-1(line 824) no Hoare annotation was computed. [2022-02-20 18:05:48,905 INFO L858 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2022-02-20 18:05:48,905 INFO L858 garLoopResultBuilder]: For program point L692-1(lines 691 710) no Hoare annotation was computed. [2022-02-20 18:05:48,905 INFO L858 garLoopResultBuilder]: For program point L71(lines 71 75) no Hoare annotation was computed. [2022-02-20 18:05:48,905 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 688 711) no Hoare annotation was computed. [2022-02-20 18:05:48,905 INFO L854 garLoopResultBuilder]: At program point L71-2(lines 67 78) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2022-02-20 18:05:48,905 INFO L854 garLoopResultBuilder]: At program point L769(lines 764 772) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |timeShift_isPumpRunning_#res#1| 0)) [2022-02-20 18:05:48,905 INFO L858 garLoopResultBuilder]: For program point L699-1(lines 699 705) no Hoare annotation was computed. [2022-02-20 18:05:48,905 INFO L854 garLoopResultBuilder]: At program point L55(lines 50 57) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2022-02-20 18:05:48,906 INFO L861 garLoopResultBuilder]: At program point timeShiftENTRY(lines 688 711) the Hoare annotation is: true [2022-02-20 18:05:48,906 INFO L861 garLoopResultBuilder]: At program point L716(lines 712 718) the Hoare annotation is: true [2022-02-20 18:05:48,906 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 688 711) no Hoare annotation was computed. [2022-02-20 18:05:48,906 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2022-02-20 18:05:48,906 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 103 111) the Hoare annotation is: true [2022-02-20 18:05:48,906 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 103 111) no Hoare annotation was computed. [2022-02-20 18:05:48,906 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 103 111) no Hoare annotation was computed. [2022-02-20 18:05:48,906 INFO L858 garLoopResultBuilder]: For program point L159(lines 158 205) no Hoare annotation was computed. [2022-02-20 18:05:48,906 INFO L858 garLoopResultBuilder]: For program point L188(lines 188 201) no Hoare annotation was computed. [2022-02-20 18:05:48,906 INFO L854 garLoopResultBuilder]: At program point L180(line 180) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-02-20 18:05:48,906 INFO L854 garLoopResultBuilder]: At program point L275(lines 271 277) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-02-20 18:05:48,906 INFO L861 garLoopResultBuilder]: At program point L209(lines 148 213) the Hoare annotation is: true [2022-02-20 18:05:48,906 INFO L854 garLoopResultBuilder]: At program point L874(lines 869 877) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-02-20 18:05:48,906 INFO L858 garLoopResultBuilder]: For program point L168(lines 168 174) no Hoare annotation was computed. [2022-02-20 18:05:48,906 INFO L858 garLoopResultBuilder]: For program point L168-1(lines 168 174) no Hoare annotation was computed. [2022-02-20 18:05:48,906 INFO L854 garLoopResultBuilder]: At program point L866(lines 862 868) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-02-20 18:05:48,906 INFO L858 garLoopResultBuilder]: For program point L160(lines 160 164) no Hoare annotation was computed. [2022-02-20 18:05:48,906 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-02-20 18:05:48,906 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-02-20 18:05:48,906 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-02-20 18:05:48,907 INFO L854 garLoopResultBuilder]: At program point L206(lines 157 207) the Hoare annotation is: false [2022-02-20 18:05:48,907 INFO L858 garLoopResultBuilder]: For program point L301(lines 301 308) no Hoare annotation was computed. [2022-02-20 18:05:48,907 INFO L858 garLoopResultBuilder]: For program point L301-2(lines 301 308) no Hoare annotation was computed. [2022-02-20 18:05:48,907 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-02-20 18:05:48,907 INFO L861 garLoopResultBuilder]: At program point L285(lines 278 287) the Hoare annotation is: true [2022-02-20 18:05:48,907 INFO L854 garLoopResultBuilder]: At program point L859(lines 855 861) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-02-20 18:05:48,907 INFO L861 garLoopResultBuilder]: At program point L310(lines 291 313) the Hoare annotation is: true [2022-02-20 18:05:48,907 INFO L858 garLoopResultBuilder]: For program point L178(lines 178 184) no Hoare annotation was computed. [2022-02-20 18:05:48,907 INFO L858 garLoopResultBuilder]: For program point L178-1(lines 178 184) no Hoare annotation was computed. [2022-02-20 18:05:48,907 INFO L854 garLoopResultBuilder]: At program point L814(lines 809 816) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-02-20 18:05:48,907 INFO L854 garLoopResultBuilder]: At program point L203(lines 158 205) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-02-20 18:05:48,907 INFO L854 garLoopResultBuilder]: At program point L170(line 170) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-02-20 18:05:48,907 INFO L858 garLoopResultBuilder]: For program point L196(lines 196 200) no Hoare annotation was computed. [2022-02-20 18:05:48,907 INFO L854 garLoopResultBuilder]: At program point L196-2(lines 188 201) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-02-20 18:05:48,907 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 79 90) no Hoare annotation was computed. [2022-02-20 18:05:48,907 INFO L861 garLoopResultBuilder]: At program point waterRiseENTRY(lines 79 90) the Hoare annotation is: true [2022-02-20 18:05:48,907 INFO L858 garLoopResultBuilder]: For program point L83-1(lines 79 90) no Hoare annotation was computed. [2022-02-20 18:05:48,909 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-02-20 18:05:48,910 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-20 18:05:48,913 WARN L170 areAnnotationChecker]: L95-1 has no Hoare annotation [2022-02-20 18:05:48,913 WARN L170 areAnnotationChecker]: L95-1 has no Hoare annotation [2022-02-20 18:05:48,913 WARN L170 areAnnotationChecker]: L71 has no Hoare annotation [2022-02-20 18:05:48,913 WARN L170 areAnnotationChecker]: L692-1 has no Hoare annotation [2022-02-20 18:05:48,913 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalFINAL has no Hoare annotation [2022-02-20 18:05:48,913 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2022-02-20 18:05:48,913 WARN L170 areAnnotationChecker]: L83-1 has no Hoare annotation [2022-02-20 18:05:48,913 WARN L170 areAnnotationChecker]: L83-1 has no Hoare annotation [2022-02-20 18:05:48,913 WARN L170 areAnnotationChecker]: L95-1 has no Hoare annotation [2022-02-20 18:05:48,913 WARN L170 areAnnotationChecker]: L222-1 has no Hoare annotation [2022-02-20 18:05:48,913 WARN L170 areAnnotationChecker]: L71 has no Hoare annotation [2022-02-20 18:05:48,913 WARN L170 areAnnotationChecker]: L71 has no Hoare annotation [2022-02-20 18:05:48,913 WARN L170 areAnnotationChecker]: L692-1 has no Hoare annotation [2022-02-20 18:05:48,913 WARN L170 areAnnotationChecker]: L692-1 has no Hoare annotation [2022-02-20 18:05:48,913 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalFINAL has no Hoare annotation [2022-02-20 18:05:48,913 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2022-02-20 18:05:48,913 WARN L170 areAnnotationChecker]: L83-1 has no Hoare annotation [2022-02-20 18:05:48,913 WARN L170 areAnnotationChecker]: changeMethaneLevelEXIT has no Hoare annotation [2022-02-20 18:05:48,913 WARN L170 areAnnotationChecker]: L222-1 has no Hoare annotation [2022-02-20 18:05:48,913 WARN L170 areAnnotationChecker]: L692-1 has no Hoare annotation [2022-02-20 18:05:48,913 WARN L170 areAnnotationChecker]: L699-1 has no Hoare annotation [2022-02-20 18:05:48,913 WARN L170 areAnnotationChecker]: L699-1 has no Hoare annotation [2022-02-20 18:05:48,913 WARN L170 areAnnotationChecker]: isMethaneLevelCriticalEXIT has no Hoare annotation [2022-02-20 18:05:48,927 WARN L170 areAnnotationChecker]: waterRiseEXIT has no Hoare annotation [2022-02-20 18:05:48,927 WARN L170 areAnnotationChecker]: L178-1 has no Hoare annotation [2022-02-20 18:05:48,928 WARN L170 areAnnotationChecker]: L227 has no Hoare annotation [2022-02-20 18:05:48,928 WARN L170 areAnnotationChecker]: L824-1 has no Hoare annotation [2022-02-20 18:05:48,928 WARN L170 areAnnotationChecker]: L824-1 has no Hoare annotation [2022-02-20 18:05:48,928 WARN L170 areAnnotationChecker]: L168-1 has no Hoare annotation [2022-02-20 18:05:48,928 WARN L170 areAnnotationChecker]: L188 has no Hoare annotation [2022-02-20 18:05:48,928 WARN L170 areAnnotationChecker]: L188 has no Hoare annotation [2022-02-20 18:05:48,928 WARN L170 areAnnotationChecker]: cleanupEXIT has no Hoare annotation [2022-02-20 18:05:48,928 WARN L170 areAnnotationChecker]: L227 has no Hoare annotation [2022-02-20 18:05:48,928 WARN L170 areAnnotationChecker]: L826 has no Hoare annotation [2022-02-20 18:05:48,928 WARN L170 areAnnotationChecker]: L826 has no Hoare annotation [2022-02-20 18:05:48,928 WARN L170 areAnnotationChecker]: L301 has no Hoare annotation [2022-02-20 18:05:48,928 WARN L170 areAnnotationChecker]: L178 has no Hoare annotation [2022-02-20 18:05:48,928 WARN L170 areAnnotationChecker]: L178 has no Hoare annotation [2022-02-20 18:05:48,929 WARN L170 areAnnotationChecker]: L196 has no Hoare annotation [2022-02-20 18:05:48,929 WARN L170 areAnnotationChecker]: L196 has no Hoare annotation [2022-02-20 18:05:48,929 WARN L170 areAnnotationChecker]: cleanupEXIT has no Hoare annotation [2022-02-20 18:05:48,929 WARN L170 areAnnotationChecker]: L230 has no Hoare annotation [2022-02-20 18:05:48,929 WARN L170 areAnnotationChecker]: L230 has no Hoare annotation [2022-02-20 18:05:48,929 WARN L170 areAnnotationChecker]: L830 has no Hoare annotation [2022-02-20 18:05:48,929 WARN L170 areAnnotationChecker]: timeShiftFINAL has no Hoare annotation [2022-02-20 18:05:48,929 WARN L170 areAnnotationChecker]: L301 has no Hoare annotation [2022-02-20 18:05:48,929 WARN L170 areAnnotationChecker]: L301 has no Hoare annotation [2022-02-20 18:05:48,929 WARN L170 areAnnotationChecker]: L178-1 has no Hoare annotation [2022-02-20 18:05:48,929 WARN L170 areAnnotationChecker]: L237 has no Hoare annotation [2022-02-20 18:05:48,929 WARN L170 areAnnotationChecker]: L830 has no Hoare annotation [2022-02-20 18:05:48,929 WARN L170 areAnnotationChecker]: L830 has no Hoare annotation [2022-02-20 18:05:48,930 WARN L170 areAnnotationChecker]: timeShiftFINAL has no Hoare annotation [2022-02-20 18:05:48,930 WARN L170 areAnnotationChecker]: L301-2 has no Hoare annotation [2022-02-20 18:05:48,930 WARN L170 areAnnotationChecker]: L159 has no Hoare annotation [2022-02-20 18:05:48,930 WARN L170 areAnnotationChecker]: L301-2 has no Hoare annotation [2022-02-20 18:05:48,930 WARN L170 areAnnotationChecker]: L237 has no Hoare annotation [2022-02-20 18:05:48,930 WARN L170 areAnnotationChecker]: L54 has no Hoare annotation [2022-02-20 18:05:48,930 WARN L170 areAnnotationChecker]: L54 has no Hoare annotation [2022-02-20 18:05:48,930 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2022-02-20 18:05:48,930 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2022-02-20 18:05:48,930 WARN L170 areAnnotationChecker]: timeShiftEXIT has no Hoare annotation [2022-02-20 18:05:48,930 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2022-02-20 18:05:48,930 WARN L170 areAnnotationChecker]: L159 has no Hoare annotation [2022-02-20 18:05:48,931 WARN L170 areAnnotationChecker]: L159 has no Hoare annotation [2022-02-20 18:05:48,931 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2022-02-20 18:05:48,931 WARN L170 areAnnotationChecker]: L160 has no Hoare annotation [2022-02-20 18:05:48,931 WARN L170 areAnnotationChecker]: L168 has no Hoare annotation [2022-02-20 18:05:48,931 WARN L170 areAnnotationChecker]: L168 has no Hoare annotation [2022-02-20 18:05:48,931 WARN L170 areAnnotationChecker]: L168-1 has no Hoare annotation [2022-02-20 18:05:48,931 INFO L163 areAnnotationChecker]: CFG has 18 edges. 18 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2022-02-20 18:05:48,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.02 06:05:48 BoogieIcfgContainer [2022-02-20 18:05:48,942 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-20 18:05:48,942 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-20 18:05:48,942 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-20 18:05:48,943 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-20 18:05:48,943 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.02 06:05:47" (3/4) ... [2022-02-20 18:05:48,945 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-02-20 18:05:48,949 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-02-20 18:05:48,949 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-02-20 18:05:48,949 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-02-20 18:05:48,949 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-02-20 18:05:48,950 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-02-20 18:05:48,955 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2022-02-20 18:05:48,955 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-02-20 18:05:48,956 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-02-20 18:05:48,956 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-02-20 18:05:48,956 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-02-20 18:05:48,956 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-02-20 18:05:48,956 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-02-20 18:05:48,973 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(pumpRunning == 0) || !(1 == systemActive)) || \result == 0 [2022-02-20 18:05:48,982 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-02-20 18:05:48,982 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-20 18:05:48,983 INFO L158 Benchmark]: Toolchain (without parser) took 2468.91ms. Allocated memory was 88.1MB in the beginning and 125.8MB in the end (delta: 37.7MB). Free memory was 52.4MB in the beginning and 54.8MB in the end (delta: -2.5MB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB. [2022-02-20 18:05:48,983 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 88.1MB. Free memory was 59.3MB in the beginning and 59.2MB in the end (delta: 26.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-20 18:05:48,983 INFO L158 Benchmark]: CACSL2BoogieTranslator took 305.05ms. Allocated memory was 88.1MB in the beginning and 125.8MB in the end (delta: 37.7MB). Free memory was 52.2MB in the beginning and 90.5MB in the end (delta: -38.3MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2022-02-20 18:05:48,983 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.89ms. Allocated memory is still 125.8MB. Free memory was 90.1MB in the beginning and 88.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-20 18:05:48,984 INFO L158 Benchmark]: Boogie Preprocessor took 26.68ms. Allocated memory is still 125.8MB. Free memory was 88.0MB in the beginning and 86.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-20 18:05:48,984 INFO L158 Benchmark]: RCFGBuilder took 373.12ms. Allocated memory is still 125.8MB. Free memory was 86.3MB in the beginning and 69.8MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-02-20 18:05:48,984 INFO L158 Benchmark]: TraceAbstraction took 1668.40ms. Allocated memory is still 125.8MB. Free memory was 69.1MB in the beginning and 59.0MB in the end (delta: 10.1MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2022-02-20 18:05:48,984 INFO L158 Benchmark]: Witness Printer took 39.58ms. Allocated memory is still 125.8MB. Free memory was 59.0MB in the beginning and 54.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-02-20 18:05:48,985 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 88.1MB. Free memory was 59.3MB in the beginning and 59.2MB in the end (delta: 26.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 305.05ms. Allocated memory was 88.1MB in the beginning and 125.8MB in the end (delta: 37.7MB). Free memory was 52.2MB in the beginning and 90.5MB in the end (delta: -38.3MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.89ms. Allocated memory is still 125.8MB. Free memory was 90.1MB in the beginning and 88.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.68ms. Allocated memory is still 125.8MB. Free memory was 88.0MB in the beginning and 86.5MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 373.12ms. Allocated memory is still 125.8MB. Free memory was 86.3MB in the beginning and 69.8MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1668.40ms. Allocated memory is still 125.8MB. Free memory was 69.1MB in the beginning and 59.0MB in the end (delta: 10.1MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. * Witness Printer took 39.58ms. Allocated memory is still 125.8MB. Free memory was 59.0MB in the beginning and 54.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * 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 6 procedures, 63 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 97 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 94 mSDsluCounter, 356 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 126 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 230 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=63occurred in iteration=0, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 28 LocationsWithAnnotation, 92 PreInvPairs, 106 NumberOfFragments, 124 HoareAnnotationTreeSize, 92 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 28 FomulaSimplificationsInter, 125 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 106 NumberOfCodeBlocks, 106 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 102 ConstructedInterpolants, 0 QuantifiedInterpolants, 164 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 809]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 712]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 291]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 148]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 818]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 158]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 869]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 764]: Loop Invariant Derived loop invariant: (!(pumpRunning == 0) || !(1 == systemActive)) || \result == 0 - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) || !(1 == systemActive) - InvariantResult [Line: 278]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: !(pumpRunning == 0) || !(1 == systemActive) - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 157]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2022-02-20 18:05:49,013 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE