./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product58.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -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_spec3_product58.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 ae631a30e0cfb00652c35b082fd4038988aa5f3b2e1b026ceeb94d0624c45642 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-13 17:59:32,531 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 17:59:32,533 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 17:59:32,560 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 17:59:32,562 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 17:59:32,563 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 17:59:32,566 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 17:59:32,570 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 17:59:32,572 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 17:59:32,575 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 17:59:32,576 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 17:59:32,577 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 17:59:32,577 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 17:59:32,579 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 17:59:32,580 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 17:59:32,581 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 17:59:32,582 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 17:59:32,583 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 17:59:32,586 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 17:59:32,590 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 17:59:32,591 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 17:59:32,592 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 17:59:32,592 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 17:59:32,593 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 17:59:32,594 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 17:59:32,599 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 17:59:32,599 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 17:59:32,600 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 17:59:32,601 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 17:59:32,601 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 17:59:32,602 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 17:59:32,602 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 17:59:32,603 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 17:59:32,603 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 17:59:32,604 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 17:59:32,604 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 17:59:32,605 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 17:59:32,605 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 17:59:32,605 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 17:59:32,605 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 17:59:32,606 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 17:59:32,607 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 17:59:32,608 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-13 17:59:32,630 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 17:59:32,631 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 17:59:32,631 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 17:59:32,631 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 17:59:32,631 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 17:59:32,632 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 17:59:32,632 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 17:59:32,632 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 17:59:32,632 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 17:59:32,633 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 17:59:32,633 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-13 17:59:32,633 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 17:59:32,633 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-13 17:59:32,633 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 17:59:32,634 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 17:59:32,634 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 17:59:32,634 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 17:59:32,634 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-13 17:59:32,634 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 17:59:32,635 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 17:59:32,635 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 17:59:32,635 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 17:59:32,635 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 17:59:32,636 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 17:59:32,636 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 17:59:32,636 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 17:59:32,636 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 17:59:32,636 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 17:59:32,636 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 17:59:32,636 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-13 17:59:32,637 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-13 17:59:32,637 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-13 17:59:32,637 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 17:59:32,637 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae631a30e0cfb00652c35b082fd4038988aa5f3b2e1b026ceeb94d0624c45642 [2022-07-13 17:59:32,825 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 17:59:32,851 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 17:59:32,853 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 17:59:32,853 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 17:59:32,854 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 17:59:32,855 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product58.cil.c [2022-07-13 17:59:32,921 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43ed69dac/592fd4dfefc34dd0b5a613cca6c5af18/FLAG35c997b56 [2022-07-13 17:59:33,295 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 17:59:33,296 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product58.cil.c [2022-07-13 17:59:33,304 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43ed69dac/592fd4dfefc34dd0b5a613cca6c5af18/FLAG35c997b56 [2022-07-13 17:59:33,314 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43ed69dac/592fd4dfefc34dd0b5a613cca6c5af18 [2022-07-13 17:59:33,316 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 17:59:33,317 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 17:59:33,318 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 17:59:33,318 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 17:59:33,320 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 17:59:33,320 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 05:59:33" (1/1) ... [2022-07-13 17:59:33,321 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e324c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:59:33, skipping insertion in model container [2022-07-13 17:59:33,321 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 05:59:33" (1/1) ... [2022-07-13 17:59:33,325 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 17:59:33,350 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 17:59:33,531 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_spec3_product58.cil.c[13037,13050] [2022-07-13 17:59:33,573 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 17:59:33,586 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 17:59:33,633 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_spec3_product58.cil.c[13037,13050] [2022-07-13 17:59:33,652 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 17:59:33,663 INFO L208 MainTranslator]: Completed translation [2022-07-13 17:59:33,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:59:33 WrapperNode [2022-07-13 17:59:33,666 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 17:59:33,667 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 17:59:33,667 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 17:59:33,667 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 17:59:33,674 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:59:33" (1/1) ... [2022-07-13 17:59:33,693 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:59:33" (1/1) ... [2022-07-13 17:59:33,712 INFO L137 Inliner]: procedures = 57, calls = 158, calls flagged for inlining = 26, calls inlined = 23, statements flattened = 283 [2022-07-13 17:59:33,713 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 17:59:33,713 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 17:59:33,713 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 17:59:33,713 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 17:59:33,720 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:59:33" (1/1) ... [2022-07-13 17:59:33,721 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:59:33" (1/1) ... [2022-07-13 17:59:33,722 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:59:33" (1/1) ... [2022-07-13 17:59:33,723 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:59:33" (1/1) ... [2022-07-13 17:59:33,727 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:59:33" (1/1) ... [2022-07-13 17:59:33,740 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:59:33" (1/1) ... [2022-07-13 17:59:33,741 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:59:33" (1/1) ... [2022-07-13 17:59:33,743 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 17:59:33,743 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 17:59:33,744 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 17:59:33,744 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 17:59:33,744 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:59:33" (1/1) ... [2022-07-13 17:59:33,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 17:59:33,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 17:59:33,771 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) [2022-07-13 17:59:33,772 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 [2022-07-13 17:59:33,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 17:59:33,800 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-07-13 17:59:33,800 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-07-13 17:59:33,800 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-07-13 17:59:33,801 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-07-13 17:59:33,801 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-07-13 17:59:33,801 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-07-13 17:59:33,801 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-07-13 17:59:33,801 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-07-13 17:59:33,801 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-07-13 17:59:33,801 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-07-13 17:59:33,802 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-07-13 17:59:33,802 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-07-13 17:59:33,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-13 17:59:33,802 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-07-13 17:59:33,802 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-07-13 17:59:33,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 17:59:33,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 17:59:33,849 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 17:59:33,850 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 17:59:34,047 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 17:59:34,052 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 17:59:34,052 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-13 17:59:34,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 05:59:34 BoogieIcfgContainer [2022-07-13 17:59:34,053 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 17:59:34,054 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-13 17:59:34,055 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-13 17:59:34,057 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-13 17:59:34,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.07 05:59:33" (1/3) ... [2022-07-13 17:59:34,057 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20acd292 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 05:59:34, skipping insertion in model container [2022-07-13 17:59:34,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:59:33" (2/3) ... [2022-07-13 17:59:34,058 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20acd292 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 05:59:34, skipping insertion in model container [2022-07-13 17:59:34,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 05:59:34" (3/3) ... [2022-07-13 17:59:34,059 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product58.cil.c [2022-07-13 17:59:34,067 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-13 17:59:34,068 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-13 17:59:34,097 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-13 17:59:34,101 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@1bda8f17, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@29e852fc [2022-07-13 17:59:34,101 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-13 17:59:34,104 INFO L276 IsEmpty]: Start isEmpty. Operand has 94 states, 73 states have (on average 1.3835616438356164) internal successors, (101), 81 states have internal predecessors, (101), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2022-07-13 17:59:34,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-07-13 17:59:34,111 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:59:34,111 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 17:59:34,111 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:59:34,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:59:34,115 INFO L85 PathProgramCache]: Analyzing trace with hash -1031602919, now seen corresponding path program 1 times [2022-07-13 17:59:34,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:59:34,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613564139] [2022-07-13 17:59:34,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:59:34,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:59:34,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:34,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-13 17:59:34,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:34,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 17:59:34,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:59:34,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613564139] [2022-07-13 17:59:34,234 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613564139] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:59:34,234 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:59:34,234 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-13 17:59:34,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107878135] [2022-07-13 17:59:34,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:59:34,239 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-13 17:59:34,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:59:34,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-13 17:59:34,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-13 17:59:34,257 INFO L87 Difference]: Start difference. First operand has 94 states, 73 states have (on average 1.3835616438356164) internal successors, (101), 81 states have internal predecessors, (101), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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) [2022-07-13 17:59:34,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:59:34,299 INFO L93 Difference]: Finished difference Result 180 states and 245 transitions. [2022-07-13 17:59:34,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-13 17:59:34,301 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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 25 [2022-07-13 17:59:34,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:59:34,309 INFO L225 Difference]: With dead ends: 180 [2022-07-13 17:59:34,309 INFO L226 Difference]: Without dead ends: 85 [2022-07-13 17:59:34,313 INFO L412 NwaCegarLoop]: 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 [2022-07-13 17:59:34,317 INFO L413 NwaCegarLoop]: 119 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, 119 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 [2022-07-13 17:59:34,318 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 17:59:34,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2022-07-13 17:59:34,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2022-07-13 17:59:34,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 66 states have (on average 1.3181818181818181) internal successors, (87), 73 states have internal predecessors, (87), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2022-07-13 17:59:34,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 110 transitions. [2022-07-13 17:59:34,372 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 110 transitions. Word has length 25 [2022-07-13 17:59:34,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:59:34,372 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 110 transitions. [2022-07-13 17:59:34,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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) [2022-07-13 17:59:34,373 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 110 transitions. [2022-07-13 17:59:34,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-07-13 17:59:34,376 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:59:34,376 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 17:59:34,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-13 17:59:34,377 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:59:34,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:59:34,385 INFO L85 PathProgramCache]: Analyzing trace with hash -1999893422, now seen corresponding path program 1 times [2022-07-13 17:59:34,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:59:34,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846595809] [2022-07-13 17:59:34,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:59:34,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:59:34,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:34,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 17:59:34,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:34,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 17:59:34,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:59:34,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846595809] [2022-07-13 17:59:34,434 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846595809] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:59:34,435 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:59:34,435 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 17:59:34,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888278250] [2022-07-13 17:59:34,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:59:34,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 17:59:34,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:59:34,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 17:59:34,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 17:59:34,437 INFO L87 Difference]: Start difference. First operand 85 states and 110 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2022-07-13 17:59:34,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:59:34,448 INFO L93 Difference]: Finished difference Result 135 states and 175 transitions. [2022-07-13 17:59:34,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 17:59:34,448 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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 26 [2022-07-13 17:59:34,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:59:34,449 INFO L225 Difference]: With dead ends: 135 [2022-07-13 17:59:34,449 INFO L226 Difference]: Without dead ends: 76 [2022-07-13 17:59:34,450 INFO L412 NwaCegarLoop]: 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 [2022-07-13 17:59:34,451 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 13 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 177 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 [2022-07-13 17:59:34,451 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 177 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 17:59:34,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-07-13 17:59:34,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2022-07-13 17:59:34,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 60 states have (on average 1.3333333333333333) internal successors, (80), 67 states have internal predecessors, (80), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2022-07-13 17:59:34,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 98 transitions. [2022-07-13 17:59:34,458 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 98 transitions. Word has length 26 [2022-07-13 17:59:34,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:59:34,458 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 98 transitions. [2022-07-13 17:59:34,458 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2022-07-13 17:59:34,458 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 98 transitions. [2022-07-13 17:59:34,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-07-13 17:59:34,459 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:59:34,459 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 17:59:34,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-13 17:59:34,460 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:59:34,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:59:34,460 INFO L85 PathProgramCache]: Analyzing trace with hash -2069285612, now seen corresponding path program 1 times [2022-07-13 17:59:34,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:59:34,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642428722] [2022-07-13 17:59:34,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:59:34,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:59:34,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:34,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-13 17:59:34,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:34,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 17:59:34,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:59:34,526 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642428722] [2022-07-13 17:59:34,527 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642428722] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:59:34,527 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:59:34,527 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 17:59:34,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538371905] [2022-07-13 17:59:34,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:59:34,528 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 17:59:34,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:59:34,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 17:59:34,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 17:59:34,528 INFO L87 Difference]: Start difference. First operand 76 states and 98 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) [2022-07-13 17:59:34,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:59:34,544 INFO L93 Difference]: Finished difference Result 145 states and 190 transitions. [2022-07-13 17:59:34,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 17:59:34,544 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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 31 [2022-07-13 17:59:34,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:59:34,545 INFO L225 Difference]: With dead ends: 145 [2022-07-13 17:59:34,545 INFO L226 Difference]: Without dead ends: 76 [2022-07-13 17:59:34,546 INFO L412 NwaCegarLoop]: 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 [2022-07-13 17:59:34,547 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 92 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 96 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 [2022-07-13 17:59:34,547 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 96 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 17:59:34,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-07-13 17:59:34,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2022-07-13 17:59:34,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 60 states have (on average 1.3166666666666667) internal successors, (79), 67 states have internal predecessors, (79), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2022-07-13 17:59:34,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 97 transitions. [2022-07-13 17:59:34,553 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 97 transitions. Word has length 31 [2022-07-13 17:59:34,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:59:34,554 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 97 transitions. [2022-07-13 17:59:34,554 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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) [2022-07-13 17:59:34,554 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 97 transitions. [2022-07-13 17:59:34,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-07-13 17:59:34,558 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:59:34,558 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 17:59:34,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-13 17:59:34,559 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:59:34,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:59:34,559 INFO L85 PathProgramCache]: Analyzing trace with hash -513760969, now seen corresponding path program 1 times [2022-07-13 17:59:34,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:59:34,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730081199] [2022-07-13 17:59:34,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:59:34,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:59:34,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:34,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-13 17:59:34,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:34,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 17:59:34,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:34,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-13 17:59:34,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:34,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 17:59:34,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:59:34,637 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730081199] [2022-07-13 17:59:34,637 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730081199] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:59:34,637 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:59:34,637 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-13 17:59:34,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436665543] [2022-07-13 17:59:34,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:59:34,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-13 17:59:34,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:59:34,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-13 17:59:34,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-13 17:59:34,638 INFO L87 Difference]: Start difference. First operand 76 states and 97 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-07-13 17:59:34,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:59:34,817 INFO L93 Difference]: Finished difference Result 224 states and 286 transitions. [2022-07-13 17:59:34,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-13 17:59:34,818 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 41 [2022-07-13 17:59:34,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:59:34,819 INFO L225 Difference]: With dead ends: 224 [2022-07-13 17:59:34,819 INFO L226 Difference]: Without dead ends: 155 [2022-07-13 17:59:34,820 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-07-13 17:59:34,820 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 185 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-13 17:59:34,821 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 314 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 17:59:34,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2022-07-13 17:59:34,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 149. [2022-07-13 17:59:34,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 117 states have (on average 1.2735042735042734) internal successors, (149), 125 states have internal predecessors, (149), 15 states have call successors, (15), 13 states have call predecessors, (15), 16 states have return successors, (20), 16 states have call predecessors, (20), 15 states have call successors, (20) [2022-07-13 17:59:34,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 184 transitions. [2022-07-13 17:59:34,843 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 184 transitions. Word has length 41 [2022-07-13 17:59:34,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:59:34,843 INFO L495 AbstractCegarLoop]: Abstraction has 149 states and 184 transitions. [2022-07-13 17:59:34,843 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-07-13 17:59:34,843 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 184 transitions. [2022-07-13 17:59:34,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-07-13 17:59:34,844 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:59:34,844 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 17:59:34,844 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-13 17:59:34,844 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:59:34,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:59:34,845 INFO L85 PathProgramCache]: Analyzing trace with hash 1561264077, now seen corresponding path program 1 times [2022-07-13 17:59:34,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:59:34,845 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49402760] [2022-07-13 17:59:34,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:59:34,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:59:34,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:34,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-13 17:59:34,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:34,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-13 17:59:34,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:34,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-13 17:59:34,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:34,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 17:59:34,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:59:34,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49402760] [2022-07-13 17:59:34,976 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49402760] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:59:34,976 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:59:34,976 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-13 17:59:34,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525021173] [2022-07-13 17:59:34,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:59:34,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-13 17:59:34,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:59:34,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-13 17:59:34,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-13 17:59:34,980 INFO L87 Difference]: Start difference. First operand 149 states and 184 transitions. Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-13 17:59:35,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:59:35,106 INFO L93 Difference]: Finished difference Result 309 states and 384 transitions. [2022-07-13 17:59:35,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-13 17:59:35,106 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 47 [2022-07-13 17:59:35,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:59:35,110 INFO L225 Difference]: With dead ends: 309 [2022-07-13 17:59:35,110 INFO L226 Difference]: Without dead ends: 167 [2022-07-13 17:59:35,112 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2022-07-13 17:59:35,119 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 103 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-13 17:59:35,119 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 378 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 17:59:35,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2022-07-13 17:59:35,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 152. [2022-07-13 17:59:35,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 120 states have (on average 1.2666666666666666) internal successors, (152), 128 states have internal predecessors, (152), 15 states have call successors, (15), 13 states have call predecessors, (15), 16 states have return successors, (20), 16 states have call predecessors, (20), 15 states have call successors, (20) [2022-07-13 17:59:35,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 187 transitions. [2022-07-13 17:59:35,139 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 187 transitions. Word has length 47 [2022-07-13 17:59:35,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:59:35,141 INFO L495 AbstractCegarLoop]: Abstraction has 152 states and 187 transitions. [2022-07-13 17:59:35,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-13 17:59:35,141 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 187 transitions. [2022-07-13 17:59:35,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-07-13 17:59:35,142 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:59:35,142 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 17:59:35,142 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-13 17:59:35,142 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:59:35,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:59:35,143 INFO L85 PathProgramCache]: Analyzing trace with hash 1342409359, now seen corresponding path program 1 times [2022-07-13 17:59:35,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:59:35,143 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718653173] [2022-07-13 17:59:35,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:59:35,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:59:35,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:35,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-13 17:59:35,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:35,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-13 17:59:35,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:35,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-13 17:59:35,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:35,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 17:59:35,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:59:35,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718653173] [2022-07-13 17:59:35,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718653173] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:59:35,196 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:59:35,197 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-13 17:59:35,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668880012] [2022-07-13 17:59:35,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:59:35,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-13 17:59:35,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:59:35,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-13 17:59:35,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-13 17:59:35,199 INFO L87 Difference]: Start difference. First operand 152 states and 187 transitions. Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-13 17:59:35,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:59:35,375 INFO L93 Difference]: Finished difference Result 396 states and 506 transitions. [2022-07-13 17:59:35,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-13 17:59:35,376 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 47 [2022-07-13 17:59:35,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:59:35,379 INFO L225 Difference]: With dead ends: 396 [2022-07-13 17:59:35,379 INFO L226 Difference]: Without dead ends: 251 [2022-07-13 17:59:35,380 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-07-13 17:59:35,381 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 129 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-13 17:59:35,383 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 396 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 17:59:35,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2022-07-13 17:59:35,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 243. [2022-07-13 17:59:35,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 191 states have (on average 1.2513089005235603) internal successors, (239), 202 states have internal predecessors, (239), 26 states have call successors, (26), 23 states have call predecessors, (26), 25 states have return successors, (36), 26 states have call predecessors, (36), 26 states have call successors, (36) [2022-07-13 17:59:35,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 301 transitions. [2022-07-13 17:59:35,407 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 301 transitions. Word has length 47 [2022-07-13 17:59:35,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:59:35,408 INFO L495 AbstractCegarLoop]: Abstraction has 243 states and 301 transitions. [2022-07-13 17:59:35,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-13 17:59:35,408 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 301 transitions. [2022-07-13 17:59:35,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-07-13 17:59:35,409 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:59:35,409 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 17:59:35,409 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-13 17:59:35,409 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:59:35,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:59:35,409 INFO L85 PathProgramCache]: Analyzing trace with hash 2094412649, now seen corresponding path program 1 times [2022-07-13 17:59:35,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:59:35,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634033680] [2022-07-13 17:59:35,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:59:35,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:59:35,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:35,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-13 17:59:35,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:35,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-13 17:59:35,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:35,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-13 17:59:35,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:35,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-13 17:59:35,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:35,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 17:59:35,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:59:35,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634033680] [2022-07-13 17:59:35,485 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634033680] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:59:35,485 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:59:35,485 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-13 17:59:35,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592949605] [2022-07-13 17:59:35,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:59:35,486 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-13 17:59:35,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:59:35,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-13 17:59:35,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-13 17:59:35,487 INFO L87 Difference]: Start difference. First operand 243 states and 301 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-13 17:59:35,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:59:35,808 INFO L93 Difference]: Finished difference Result 583 states and 754 transitions. [2022-07-13 17:59:35,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-13 17:59:35,808 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 51 [2022-07-13 17:59:35,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:59:35,812 INFO L225 Difference]: With dead ends: 583 [2022-07-13 17:59:35,812 INFO L226 Difference]: Without dead ends: 438 [2022-07-13 17:59:35,813 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2022-07-13 17:59:35,815 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 302 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 316 mSolverCounterSat, 94 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 305 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-13 17:59:35,815 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [305 Valid, 423 Invalid, 410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 316 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-13 17:59:35,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2022-07-13 17:59:35,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 404. [2022-07-13 17:59:35,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 318 states have (on average 1.229559748427673) internal successors, (391), 338 states have internal predecessors, (391), 42 states have call successors, (42), 34 states have call predecessors, (42), 43 states have return successors, (69), 43 states have call predecessors, (69), 42 states have call successors, (69) [2022-07-13 17:59:35,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 502 transitions. [2022-07-13 17:59:35,846 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 502 transitions. Word has length 51 [2022-07-13 17:59:35,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:59:35,847 INFO L495 AbstractCegarLoop]: Abstraction has 404 states and 502 transitions. [2022-07-13 17:59:35,847 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-13 17:59:35,848 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 502 transitions. [2022-07-13 17:59:35,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-07-13 17:59:35,851 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:59:35,851 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 17:59:35,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-13 17:59:35,852 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:59:35,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:59:35,852 INFO L85 PathProgramCache]: Analyzing trace with hash 1960399143, now seen corresponding path program 1 times [2022-07-13 17:59:35,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:59:35,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835444491] [2022-07-13 17:59:35,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:59:35,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:59:35,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:35,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-13 17:59:35,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:35,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-13 17:59:35,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:35,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-13 17:59:35,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:35,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-13 17:59:35,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:35,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 17:59:35,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:59:35,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835444491] [2022-07-13 17:59:35,929 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835444491] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:59:35,929 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:59:35,929 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-13 17:59:35,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004588586] [2022-07-13 17:59:35,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:59:35,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-13 17:59:35,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:59:35,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-13 17:59:35,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-13 17:59:35,933 INFO L87 Difference]: Start difference. First operand 404 states and 502 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-13 17:59:36,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:59:36,109 INFO L93 Difference]: Finished difference Result 736 states and 919 transitions. [2022-07-13 17:59:36,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-13 17:59:36,110 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 51 [2022-07-13 17:59:36,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:59:36,112 INFO L225 Difference]: With dead ends: 736 [2022-07-13 17:59:36,112 INFO L226 Difference]: Without dead ends: 426 [2022-07-13 17:59:36,113 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2022-07-13 17:59:36,113 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 147 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 380 SdHoareTripleChecker+Invalid, 244 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-13 17:59:36,114 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 380 Invalid, 244 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 17:59:36,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2022-07-13 17:59:36,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 398. [2022-07-13 17:59:36,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 314 states have (on average 1.2261146496815287) internal successors, (385), 333 states have internal predecessors, (385), 41 states have call successors, (41), 33 states have call predecessors, (41), 42 states have return successors, (68), 42 states have call predecessors, (68), 41 states have call successors, (68) [2022-07-13 17:59:36,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 494 transitions. [2022-07-13 17:59:36,134 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 494 transitions. Word has length 51 [2022-07-13 17:59:36,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:59:36,134 INFO L495 AbstractCegarLoop]: Abstraction has 398 states and 494 transitions. [2022-07-13 17:59:36,134 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-13 17:59:36,134 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 494 transitions. [2022-07-13 17:59:36,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-07-13 17:59:36,135 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:59:36,135 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 17:59:36,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-13 17:59:36,135 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:59:36,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:59:36,136 INFO L85 PathProgramCache]: Analyzing trace with hash -1800767755, now seen corresponding path program 1 times [2022-07-13 17:59:36,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:59:36,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690127733] [2022-07-13 17:59:36,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:59:36,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:59:36,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:36,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-13 17:59:36,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:36,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-13 17:59:36,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:36,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-13 17:59:36,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:36,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-07-13 17:59:36,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:36,250 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-13 17:59:36,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:59:36,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690127733] [2022-07-13 17:59:36,250 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690127733] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 17:59:36,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1276951384] [2022-07-13 17:59:36,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:59:36,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 17:59:36,250 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 17:59:36,252 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 17:59:36,253 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-13 17:59:36,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:36,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 15 conjunts are in the unsatisfiable core [2022-07-13 17:59:36,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 17:59:36,455 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 17:59:36,455 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 17:59:36,455 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1276951384] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:59:36,455 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 17:59:36,455 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 14 [2022-07-13 17:59:36,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487082788] [2022-07-13 17:59:36,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:59:36,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-13 17:59:36,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:59:36,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-13 17:59:36,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2022-07-13 17:59:36,457 INFO L87 Difference]: Start difference. First operand 398 states and 494 transitions. Second operand has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-13 17:59:36,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:59:36,562 INFO L93 Difference]: Finished difference Result 1163 states and 1470 transitions. [2022-07-13 17:59:36,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-13 17:59:36,563 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 56 [2022-07-13 17:59:36,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:59:36,565 INFO L225 Difference]: With dead ends: 1163 [2022-07-13 17:59:36,566 INFO L226 Difference]: Without dead ends: 772 [2022-07-13 17:59:36,567 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2022-07-13 17:59:36,567 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 63 mSDsluCounter, 378 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-13 17:59:36,567 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 482 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 17:59:36,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 772 states. [2022-07-13 17:59:36,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 772 to 770. [2022-07-13 17:59:36,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 770 states, 606 states have (on average 1.2145214521452146) internal successors, (736), 640 states have internal predecessors, (736), 81 states have call successors, (81), 66 states have call predecessors, (81), 82 states have return successors, (138), 82 states have call predecessors, (138), 81 states have call successors, (138) [2022-07-13 17:59:36,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 770 states and 955 transitions. [2022-07-13 17:59:36,613 INFO L78 Accepts]: Start accepts. Automaton has 770 states and 955 transitions. Word has length 56 [2022-07-13 17:59:36,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:59:36,613 INFO L495 AbstractCegarLoop]: Abstraction has 770 states and 955 transitions. [2022-07-13 17:59:36,613 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-13 17:59:36,613 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states and 955 transitions. [2022-07-13 17:59:36,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-07-13 17:59:36,614 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:59:36,614 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 17:59:36,634 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-13 17:59:36,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 17:59:36,815 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:59:36,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:59:36,815 INFO L85 PathProgramCache]: Analyzing trace with hash 804933449, now seen corresponding path program 1 times [2022-07-13 17:59:36,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:59:36,815 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516923302] [2022-07-13 17:59:36,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:59:36,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:59:36,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:36,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-13 17:59:36,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:36,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-13 17:59:36,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:36,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-13 17:59:36,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:36,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2022-07-13 17:59:36,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:36,874 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-13 17:59:36,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:59:36,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516923302] [2022-07-13 17:59:36,875 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516923302] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:59:36,875 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:59:36,875 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-13 17:59:36,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213504192] [2022-07-13 17:59:36,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:59:36,876 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-13 17:59:36,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:59:36,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-13 17:59:36,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-13 17:59:36,877 INFO L87 Difference]: Start difference. First operand 770 states and 955 transitions. Second operand has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-13 17:59:37,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:59:37,097 INFO L93 Difference]: Finished difference Result 1547 states and 1916 transitions. [2022-07-13 17:59:37,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-13 17:59:37,097 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 57 [2022-07-13 17:59:37,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:59:37,101 INFO L225 Difference]: With dead ends: 1547 [2022-07-13 17:59:37,101 INFO L226 Difference]: Without dead ends: 784 [2022-07-13 17:59:37,103 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2022-07-13 17:59:37,103 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 215 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 311 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 363 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-13 17:59:37,104 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 523 Invalid, 363 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 311 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 17:59:37,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 784 states. [2022-07-13 17:59:37,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 784 to 770. [2022-07-13 17:59:37,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 770 states, 606 states have (on average 1.198019801980198) internal successors, (726), 640 states have internal predecessors, (726), 81 states have call successors, (81), 66 states have call predecessors, (81), 82 states have return successors, (123), 82 states have call predecessors, (123), 81 states have call successors, (123) [2022-07-13 17:59:37,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 770 states and 930 transitions. [2022-07-13 17:59:37,138 INFO L78 Accepts]: Start accepts. Automaton has 770 states and 930 transitions. Word has length 57 [2022-07-13 17:59:37,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:59:37,139 INFO L495 AbstractCegarLoop]: Abstraction has 770 states and 930 transitions. [2022-07-13 17:59:37,139 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-13 17:59:37,139 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states and 930 transitions. [2022-07-13 17:59:37,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-07-13 17:59:37,141 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:59:37,141 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 17:59:37,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-13 17:59:37,142 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:59:37,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:59:37,142 INFO L85 PathProgramCache]: Analyzing trace with hash 1321374617, now seen corresponding path program 1 times [2022-07-13 17:59:37,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:59:37,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606794998] [2022-07-13 17:59:37,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:59:37,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:59:37,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:37,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-13 17:59:37,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:37,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-13 17:59:37,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:37,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 17:59:37,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:37,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-13 17:59:37,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:37,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-13 17:59:37,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:37,224 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-13 17:59:37,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:59:37,224 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606794998] [2022-07-13 17:59:37,224 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606794998] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:59:37,224 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:59:37,224 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-13 17:59:37,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825803085] [2022-07-13 17:59:37,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:59:37,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-13 17:59:37,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:59:37,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-13 17:59:37,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2022-07-13 17:59:37,226 INFO L87 Difference]: Start difference. First operand 770 states and 930 transitions. Second operand has 11 states, 11 states have (on average 4.454545454545454) internal successors, (49), 7 states have internal predecessors, (49), 3 states have call successors, (6), 5 states have call predecessors, (6), 3 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-13 17:59:38,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:59:38,147 INFO L93 Difference]: Finished difference Result 1873 states and 2319 transitions. [2022-07-13 17:59:38,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2022-07-13 17:59:38,147 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.454545454545454) internal successors, (49), 7 states have internal predecessors, (49), 3 states have call successors, (6), 5 states have call predecessors, (6), 3 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) Word has length 60 [2022-07-13 17:59:38,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:59:38,151 INFO L225 Difference]: With dead ends: 1873 [2022-07-13 17:59:38,151 INFO L226 Difference]: Without dead ends: 1110 [2022-07-13 17:59:38,153 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 622 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=491, Invalid=1765, Unknown=0, NotChecked=0, Total=2256 [2022-07-13 17:59:38,154 INFO L413 NwaCegarLoop]: 179 mSDtfsCounter, 415 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 1283 mSolverCounterSat, 213 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 420 SdHoareTripleChecker+Valid, 510 SdHoareTripleChecker+Invalid, 1496 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 213 IncrementalHoareTripleChecker+Valid, 1283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-13 17:59:38,154 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [420 Valid, 510 Invalid, 1496 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [213 Valid, 1283 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-13 17:59:38,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1110 states. [2022-07-13 17:59:38,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1110 to 738. [2022-07-13 17:59:38,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 738 states, 574 states have (on average 1.1672473867595818) internal successors, (670), 608 states have internal predecessors, (670), 81 states have call successors, (81), 66 states have call predecessors, (81), 82 states have return successors, (117), 82 states have call predecessors, (117), 81 states have call successors, (117) [2022-07-13 17:59:38,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 738 states to 738 states and 868 transitions. [2022-07-13 17:59:38,184 INFO L78 Accepts]: Start accepts. Automaton has 738 states and 868 transitions. Word has length 60 [2022-07-13 17:59:38,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:59:38,185 INFO L495 AbstractCegarLoop]: Abstraction has 738 states and 868 transitions. [2022-07-13 17:59:38,185 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.454545454545454) internal successors, (49), 7 states have internal predecessors, (49), 3 states have call successors, (6), 5 states have call predecessors, (6), 3 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-13 17:59:38,185 INFO L276 IsEmpty]: Start isEmpty. Operand 738 states and 868 transitions. [2022-07-13 17:59:38,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-07-13 17:59:38,188 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:59:38,188 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 17:59:38,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-13 17:59:38,188 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:59:38,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:59:38,188 INFO L85 PathProgramCache]: Analyzing trace with hash 981971162, now seen corresponding path program 1 times [2022-07-13 17:59:38,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:59:38,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976742899] [2022-07-13 17:59:38,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:59:38,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:59:38,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:38,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-13 17:59:38,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:38,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-13 17:59:38,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:38,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 17:59:38,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:38,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-13 17:59:38,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:38,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-07-13 17:59:38,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:38,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-13 17:59:38,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:38,268 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-07-13 17:59:38,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:59:38,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976742899] [2022-07-13 17:59:38,269 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976742899] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 17:59:38,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1119485739] [2022-07-13 17:59:38,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:59:38,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 17:59:38,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 17:59:38,270 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 17:59:38,272 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-13 17:59:38,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:38,341 INFO L263 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-13 17:59:38,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 17:59:38,493 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-07-13 17:59:38,493 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-13 17:59:38,686 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-13 17:59:38,687 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1119485739] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-13 17:59:38,687 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-13 17:59:38,687 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 9] total 19 [2022-07-13 17:59:38,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627666669] [2022-07-13 17:59:38,687 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-13 17:59:38,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-07-13 17:59:38,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:59:38,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-07-13 17:59:38,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2022-07-13 17:59:38,689 INFO L87 Difference]: Start difference. First operand 738 states and 868 transitions. Second operand has 19 states, 19 states have (on average 7.157894736842105) internal successors, (136), 14 states have internal predecessors, (136), 7 states have call successors, (18), 10 states have call predecessors, (18), 8 states have return successors, (16), 8 states have call predecessors, (16), 7 states have call successors, (16) [2022-07-13 17:59:39,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:59:39,819 INFO L93 Difference]: Finished difference Result 1547 states and 1879 transitions. [2022-07-13 17:59:39,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2022-07-13 17:59:39,820 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 7.157894736842105) internal successors, (136), 14 states have internal predecessors, (136), 7 states have call successors, (18), 10 states have call predecessors, (18), 8 states have return successors, (16), 8 states have call predecessors, (16), 7 states have call successors, (16) Word has length 89 [2022-07-13 17:59:39,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:59:39,820 INFO L225 Difference]: With dead ends: 1547 [2022-07-13 17:59:39,820 INFO L226 Difference]: Without dead ends: 0 [2022-07-13 17:59:39,824 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 185 SyntacticMatches, 1 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1289 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=965, Invalid=4005, Unknown=0, NotChecked=0, Total=4970 [2022-07-13 17:59:39,824 INFO L413 NwaCegarLoop]: 151 mSDtfsCounter, 1188 mSDsluCounter, 806 mSDsCounter, 0 mSdLazyCounter, 1199 mSolverCounterSat, 546 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1188 SdHoareTripleChecker+Valid, 957 SdHoareTripleChecker+Invalid, 1745 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 546 IncrementalHoareTripleChecker+Valid, 1199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-13 17:59:39,825 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1188 Valid, 957 Invalid, 1745 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [546 Valid, 1199 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-13 17:59:39,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-13 17:59:39,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-13 17:59:39,825 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) [2022-07-13 17:59:39,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-13 17:59:39,826 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 89 [2022-07-13 17:59:39,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:59:39,826 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-13 17:59:39,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 7.157894736842105) internal successors, (136), 14 states have internal predecessors, (136), 7 states have call successors, (18), 10 states have call predecessors, (18), 8 states have return successors, (16), 8 states have call predecessors, (16), 7 states have call successors, (16) [2022-07-13 17:59:39,826 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-13 17:59:39,826 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-13 17:59:39,828 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-13 17:59:39,848 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-13 17:59:40,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-07-13 17:59:40,046 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-13 17:59:45,021 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 805 811) no Hoare annotation was computed. [2022-07-13 17:59:45,022 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 805 811) the Hoare annotation is: true [2022-07-13 17:59:45,022 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 596 607) the Hoare annotation is: (let ((.cse0 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse3 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse5 (not (= ~pumpRunning~0 1))) (.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse4 (not (<= ~waterLevel~0 2))) (.cse7 (not (= |old(~methaneLevelCritical~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse3 .cse5 .cse4) (or .cse2 .cse6 .cse5 .cse4 .cse7) (or .cse1 .cse2 .cse6 .cse4 .cse7))) [2022-07-13 17:59:45,022 INFO L899 garLoopResultBuilder]: For program point L600-1(lines 596 607) no Hoare annotation was computed. [2022-07-13 17:59:45,022 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 596 607) no Hoare annotation was computed. [2022-07-13 17:59:45,022 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 608 616) the Hoare annotation is: true [2022-07-13 17:59:45,022 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 608 616) no Hoare annotation was computed. [2022-07-13 17:59:45,022 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 608 616) no Hoare annotation was computed. [2022-07-13 17:59:45,022 INFO L899 garLoopResultBuilder]: For program point L576(lines 576 580) no Hoare annotation was computed. [2022-07-13 17:59:45,023 INFO L895 garLoopResultBuilder]: At program point L576-2(lines 572 583) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse4 (and (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 1))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= |old(~pumpRunning~0)| 1))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse5 .cse6 .cse3) (or .cse0 (not (= ~methaneLevelCritical~0 ~systemActive~0)) .cse6 .cse3) (or .cse4 .cse1 .cse2 .cse5 .cse3))) [2022-07-13 17:59:45,023 INFO L895 garLoopResultBuilder]: At program point L853(line 853) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse4 (and (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 1))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= |old(~pumpRunning~0)| 1))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse5 .cse6 .cse3) (or .cse0 (not (= ~methaneLevelCritical~0 ~systemActive~0)) .cse6 .cse3) (or .cse4 .cse1 .cse2 .cse5 .cse3))) [2022-07-13 17:59:45,023 INFO L895 garLoopResultBuilder]: At program point L560(lines 555 562) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= |old(~pumpRunning~0)| 1))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse5 .cse3) (or .cse0 .cse5 .cse1 .cse3) (or .cse4 (not (= ~methaneLevelCritical~0 ~systemActive~0)) .cse2 .cse3))) [2022-07-13 17:59:45,023 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 781 804) no Hoare annotation was computed. [2022-07-13 17:59:45,023 INFO L895 garLoopResultBuilder]: At program point L895(lines 890 897) the Hoare annotation is: (let ((.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= |old(~pumpRunning~0)| 1))) (.cse5 (and (= ~pumpRunning~0 0) (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5 .cse6 .cse3) (or .cse1 .cse2 .cse4 .cse5 .cse3) (or .cse0 (not (= ~methaneLevelCritical~0 ~systemActive~0)) .cse6 .cse3))) [2022-07-13 17:59:45,023 INFO L895 garLoopResultBuilder]: At program point L668(lines 663 671) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse4 (and (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 1))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= |old(~pumpRunning~0)| 1))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse5 .cse6 .cse3) (or .cse0 (not (= ~methaneLevelCritical~0 ~systemActive~0)) .cse6 .cse3) (or .cse4 .cse1 .cse2 .cse5 .cse3))) [2022-07-13 17:59:45,024 INFO L895 garLoopResultBuilder]: At program point L858(line 858) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| 1))) (.cse0 (not (= 1 ~systemActive~0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse1 .cse3) (or .cse5 .cse6 .cse0 .cse4 .cse3) (or .cse5 .cse6 (not (= ~methaneLevelCritical~0 ~systemActive~0)) .cse2 .cse3))) [2022-07-13 17:59:45,024 INFO L895 garLoopResultBuilder]: At program point L858-1(lines 839 863) the Hoare annotation is: (let ((.cse7 (= ~pumpRunning~0 0)) (.cse11 (<= ~waterLevel~0 1)) (.cse12 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse13 (= ~pumpRunning~0 1))) (let ((.cse6 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse10 (and .cse8 .cse13)) (.cse0 (and .cse11 .cse12 .cse13)) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (not (= |old(~pumpRunning~0)| 1))) (.cse4 (and .cse7 .cse11 .cse12)) (.cse9 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 (and .cse7 .cse8) (not (= ~methaneLevelCritical~0 ~systemActive~0)) .cse9 .cse5 .cse10) (or (and .cse7 .cse11 .cse8) .cse6 .cse1 .cse2 .cse5 .cse10) (or .cse0 .cse1 .cse3 .cse4 .cse9 .cse5)))) [2022-07-13 17:59:45,024 INFO L899 garLoopResultBuilder]: For program point L792-1(lines 792 798) no Hoare annotation was computed. [2022-07-13 17:59:45,024 INFO L899 garLoopResultBuilder]: For program point L982(lines 982 986) no Hoare annotation was computed. [2022-07-13 17:59:45,024 INFO L899 garLoopResultBuilder]: For program point L693(lines 693 699) no Hoare annotation was computed. [2022-07-13 17:59:45,024 INFO L899 garLoopResultBuilder]: For program point L982-2(lines 982 986) no Hoare annotation was computed. [2022-07-13 17:59:45,024 INFO L899 garLoopResultBuilder]: For program point L689(lines 689 702) no Hoare annotation was computed. [2022-07-13 17:59:45,024 INFO L895 garLoopResultBuilder]: At program point L689-1(lines 674 706) the Hoare annotation is: (let ((.cse11 (= 1 ~systemActive~0))) (let ((.cse3 (<= ~waterLevel~0 1)) (.cse9 (<= |timeShift___utac_acc__Specification3_spec__1_~tmp___0~0#1| 1)) (.cse10 (<= |timeShift_getWaterLevel_#res#1| 1)) (.cse15 (not (<= |old(~waterLevel~0)| 1))) (.cse0 (not .cse11)) (.cse12 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= |old(~pumpRunning~0)| 1))) (.cse4 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse13 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (= ~pumpRunning~0 0)) (.cse2 (= ~methaneLevelCritical~0 |timeShift___utac_acc__Specification3_spec__1_~tmp~4#1|)) (.cse14 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 1)) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse7 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 (and .cse2 .cse3 .cse4 .cse5) .cse6 .cse7 (and .cse8 .cse2 .cse3 .cse4)) (or .cse0 (and .cse8 .cse2 .cse3 .cse9 .cse10) (and .cse2 .cse3 .cse11 .cse9 .cse10 .cse5) .cse12 .cse1 .cse7) (or .cse13 .cse0 (and .cse8 .cse2 .cse3 .cse14) (and .cse2 .cse11 .cse14 .cse5) .cse12 .cse7) (or .cse15 .cse13 (and .cse9 .cse10) .cse0 .cse12) (or .cse15 .cse0 .cse12 .cse1 .cse4) (or .cse13 (and .cse8 .cse2 .cse14) (and .cse2 .cse14 .cse5) (not (= ~methaneLevelCritical~0 ~systemActive~0)) .cse6 .cse7)))) [2022-07-13 17:59:45,025 INFO L895 garLoopResultBuilder]: At program point L681(line 681) the Hoare annotation is: (let ((.cse7 (= ~pumpRunning~0 0)) (.cse11 (<= ~waterLevel~0 1)) (.cse12 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse13 (= ~pumpRunning~0 1))) (let ((.cse6 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse10 (and .cse8 .cse13)) (.cse0 (and .cse11 .cse12 .cse13)) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (not (= |old(~pumpRunning~0)| 1))) (.cse4 (and .cse7 .cse11 .cse12)) (.cse9 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 (and .cse7 .cse8) (not (= ~methaneLevelCritical~0 ~systemActive~0)) .cse9 .cse5 .cse10) (or (and .cse7 .cse11 .cse8) .cse6 .cse1 .cse2 .cse5 .cse10) (or .cse0 .cse1 .cse3 .cse4 .cse9 .cse5)))) [2022-07-13 17:59:45,025 INFO L899 garLoopResultBuilder]: For program point L681-1(line 681) no Hoare annotation was computed. [2022-07-13 17:59:45,025 INFO L899 garLoopResultBuilder]: For program point L785-1(lines 784 803) no Hoare annotation was computed. [2022-07-13 17:59:45,025 INFO L899 garLoopResultBuilder]: For program point L847(lines 847 855) no Hoare annotation was computed. [2022-07-13 17:59:45,025 INFO L899 garLoopResultBuilder]: For program point L843(lines 843 860) no Hoare annotation was computed. [2022-07-13 17:59:45,025 INFO L895 garLoopResultBuilder]: At program point L645(lines 640 648) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= |old(~pumpRunning~0)| 1))) (.cse3 (not (<= |old(~waterLevel~0)| 2))) (.cse11 (= ~pumpRunning~0 1)) (.cse7 (= ~pumpRunning~0 0)) (.cse8 (= ~methaneLevelCritical~0 |timeShift___utac_acc__Specification3_spec__1_~tmp~4#1|)) (.cse9 (<= ~waterLevel~0 1)) (.cse6 (<= |timeShift_getWaterLevel_#res#1| 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 (not (= ~methaneLevelCritical~0 ~systemActive~0)) .cse2 .cse3) (or .cse4 (not (= |old(~waterLevel~0)| 1)) .cse0 .cse5 (= |timeShift_getWaterLevel_#res#1| 1)) (or (not (<= |old(~waterLevel~0)| 1)) .cse4 .cse0 .cse5 .cse6) (let ((.cse10 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse4 .cse0 (and .cse7 .cse8 .cse9 .cse10) .cse5 (and .cse8 .cse10 .cse11) .cse3)) (let ((.cse12 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (or .cse0 .cse5 .cse1 .cse3 (and .cse8 .cse9 .cse12 .cse6 .cse11) (and .cse7 .cse8 .cse9 .cse12 .cse6))))) [2022-07-13 17:59:45,025 INFO L895 garLoopResultBuilder]: At program point L988(lines 973 991) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse4 (and (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 1))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= |old(~pumpRunning~0)| 1))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse5 .cse6 .cse3) (or .cse0 (not (= ~methaneLevelCritical~0 ~systemActive~0)) .cse6 .cse3) (or .cse4 .cse1 .cse2 .cse5 .cse3))) [2022-07-13 17:59:45,025 INFO L895 garLoopResultBuilder]: At program point L914(lines 909 917) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| 1))) (.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse1 .cse3) (or .cse5 (not (= ~methaneLevelCritical~0 ~systemActive~0)) .cse2 .cse3) (or (not (<= |old(~waterLevel~0)| 1)) .cse5 .cse0 .cse4) (or .cse5 .cse0 .cse4 .cse3 (and (= |timeShift_isPumpRunning_#res#1| 1) (= ~methaneLevelCritical~0 |timeShift___utac_acc__Specification3_spec__1_~tmp~4#1|) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 1))))) [2022-07-13 17:59:45,026 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 781 804) the Hoare annotation is: (let ((.cse8 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse1 (not (= |old(~pumpRunning~0)| 1))) (.cse4 (and .cse8 (= ~pumpRunning~0 1))) (.cse0 (not (= 1 ~systemActive~0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (and (= ~pumpRunning~0 0) .cse8)) (.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse3 .cse4) (or .cse6 .cse7 .cse0 .cse5 .cse3) (or .cse6 .cse7 (not (= ~methaneLevelCritical~0 ~systemActive~0)) .cse2 .cse3)))) [2022-07-13 17:59:45,026 INFO L899 garLoopResultBuilder]: For program point L559(line 559) no Hoare annotation was computed. [2022-07-13 17:59:45,026 INFO L899 garLoopResultBuilder]: For program point L683(lines 683 703) no Hoare annotation was computed. [2022-07-13 17:59:45,026 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 781 804) no Hoare annotation was computed. [2022-07-13 17:59:45,026 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 559) no Hoare annotation was computed. [2022-07-13 17:59:45,026 INFO L902 garLoopResultBuilder]: At program point L66-1(lines 66 70) the Hoare annotation is: true [2022-07-13 17:59:45,026 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 52 81) no Hoare annotation was computed. [2022-07-13 17:59:45,026 INFO L899 garLoopResultBuilder]: For program point L63(line 63) no Hoare annotation was computed. [2022-07-13 17:59:45,026 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 52 81) the Hoare annotation is: true [2022-07-13 17:59:45,026 INFO L902 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: true [2022-07-13 17:59:45,027 INFO L902 garLoopResultBuilder]: At program point L58(line 58) the Hoare annotation is: true [2022-07-13 17:59:45,027 INFO L899 garLoopResultBuilder]: For program point L58-1(line 58) no Hoare annotation was computed. [2022-07-13 17:59:45,027 INFO L902 garLoopResultBuilder]: At program point L77(lines 52 81) the Hoare annotation is: true [2022-07-13 17:59:45,027 INFO L899 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2022-07-13 17:59:45,027 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2022-07-13 17:59:45,027 INFO L899 garLoopResultBuilder]: For program point L729(lines 729 735) no Hoare annotation was computed. [2022-07-13 17:59:45,027 INFO L895 garLoopResultBuilder]: At program point L184(lines 179 187) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-13 17:59:45,027 INFO L899 garLoopResultBuilder]: For program point L729-1(lines 729 735) no Hoare annotation was computed. [2022-07-13 17:59:45,027 INFO L899 garLoopResultBuilder]: For program point L721(lines 721 725) no Hoare annotation was computed. [2022-07-13 17:59:45,028 INFO L895 garLoopResultBuilder]: At program point L176(lines 172 178) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-13 17:59:45,028 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-13 17:59:45,028 INFO L895 garLoopResultBuilder]: At program point L767(lines 718 768) the Hoare annotation is: false [2022-07-13 17:59:45,028 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-13 17:59:45,028 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-13 17:59:45,028 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 147) no Hoare annotation was computed. [2022-07-13 17:59:45,028 INFO L899 garLoopResultBuilder]: For program point L140-2(lines 140 147) no Hoare annotation was computed. [2022-07-13 17:59:45,028 INFO L895 garLoopResultBuilder]: At program point L169(lines 165 171) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-13 17:59:45,028 INFO L899 garLoopResultBuilder]: For program point L739(lines 739 745) no Hoare annotation was computed. [2022-07-13 17:59:45,028 INFO L899 garLoopResultBuilder]: For program point L739-1(lines 739 745) no Hoare annotation was computed. [2022-07-13 17:59:45,029 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-13 17:59:45,029 INFO L895 garLoopResultBuilder]: At program point L764(lines 719 766) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 1)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse3 (<= ~waterLevel~0 2)) (.cse6 (= ~pumpRunning~0 0)) (.cse0 (= ~methaneLevelCritical~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse3 .cse4) (and .cse6 .cse1 .cse5 .cse2 .cse3) (and .cse6 .cse0 (<= ~waterLevel~0 1) .cse1 .cse2))) [2022-07-13 17:59:45,029 INFO L902 garLoopResultBuilder]: At program point L124(lines 117 126) the Hoare annotation is: true [2022-07-13 17:59:45,029 INFO L895 garLoopResultBuilder]: At program point L731(line 731) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 1)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse3 (<= ~waterLevel~0 2)) (.cse6 (= ~pumpRunning~0 0)) (.cse0 (= ~methaneLevelCritical~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse3 .cse4) (and .cse6 .cse1 .cse5 .cse2 .cse3) (and .cse6 .cse0 (<= ~waterLevel~0 1) .cse1 .cse2))) [2022-07-13 17:59:45,029 INFO L902 garLoopResultBuilder]: At program point L149(lines 130 152) the Hoare annotation is: true [2022-07-13 17:59:45,029 INFO L899 garLoopResultBuilder]: For program point L757(lines 757 761) no Hoare annotation was computed. [2022-07-13 17:59:45,029 INFO L895 garLoopResultBuilder]: At program point L757-2(lines 749 762) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 1)) (.cse0 (= ~methaneLevelCritical~0 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse3 .cse4) (and .cse6 .cse0 .cse1 .cse2 .cse3) (and .cse6 .cse1 .cse5 .cse2 .cse3))) [2022-07-13 17:59:45,029 INFO L895 garLoopResultBuilder]: At program point L113(lines 109 115) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-13 17:59:45,029 INFO L899 garLoopResultBuilder]: For program point L720(lines 719 766) no Hoare annotation was computed. [2022-07-13 17:59:45,030 INFO L899 garLoopResultBuilder]: For program point L749(lines 749 762) no Hoare annotation was computed. [2022-07-13 17:59:45,030 INFO L895 garLoopResultBuilder]: At program point L741(line 741) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 1)) (.cse0 (= ~methaneLevelCritical~0 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse3 .cse4) (and .cse6 .cse0 .cse1 .cse2 .cse3) (and .cse6 .cse1 .cse5 .cse2 .cse3))) [2022-07-13 17:59:45,030 INFO L895 garLoopResultBuilder]: At program point L997(lines 992 999) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 1)) (.cse0 (= ~methaneLevelCritical~0 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse3 .cse4) (and .cse6 .cse0 .cse1 .cse2 .cse3) (and .cse6 .cse1 .cse5 .cse2 .cse3))) [2022-07-13 17:59:45,030 INFO L902 garLoopResultBuilder]: At program point L770(lines 709 774) the Hoare annotation is: true [2022-07-13 17:59:45,030 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 813 837) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse6 (not (= ~methaneLevelCritical~0 ~systemActive~0))) (.cse4 (not (<= ~waterLevel~0 2))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= |old(~pumpRunning~0)| 1))) (.cse8 (not (<= ~waterLevel~0 1))) (.cse9 (= ~pumpRunning~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse8 .cse9) (or .cse0 .cse1 .cse6 .cse4 .cse7) (or .cse2 .cse3 .cse5 .cse8 .cse9))) [2022-07-13 17:59:45,030 INFO L895 garLoopResultBuilder]: At program point L832(line 832) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (<= ~waterLevel~0 2))) (.cse1 (not (= ~methaneLevelCritical~0 ~systemActive~0))) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 1 ~systemActive~0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= |old(~pumpRunning~0)| 1))) (.cse7 (not (<= ~waterLevel~0 1))) (.cse8 (= ~pumpRunning~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse2) (or .cse6 .cse1 .cse3 .cse7 .cse8) (or .cse4 .cse5 .cse6 .cse7 .cse8))) [2022-07-13 17:59:45,030 INFO L899 garLoopResultBuilder]: For program point L832-1(lines 813 837) no Hoare annotation was computed. [2022-07-13 17:59:45,030 INFO L899 garLoopResultBuilder]: For program point L880(lines 880 886) no Hoare annotation was computed. [2022-07-13 17:59:45,031 INFO L895 garLoopResultBuilder]: At program point L880-2(lines 873 889) the Hoare annotation is: (let ((.cse7 (<= ~waterLevel~0 1)) (.cse4 (= 1 ~systemActive~0))) (let ((.cse10 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse9 (not (<= ~waterLevel~0 2))) (.cse1 (not (= |processEnvironment__wrappee__highWaterSensor_~tmp~6#1| 0))) (.cse5 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)) (.cse6 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~9#1| 0)) (.cse8 (= ~pumpRunning~0 1)) (.cse11 (not .cse4)) (.cse14 (not (= ~methaneLevelCritical~0 0))) (.cse12 (not (= |old(~pumpRunning~0)| 1))) (.cse13 (not .cse7))) (and (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (= ~pumpRunning~0 0))) (or .cse0 (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse1 .cse2 .cse3 .cse7 .cse4) (not (= ~methaneLevelCritical~0 ~systemActive~0)) (and .cse1 .cse7 .cse4 .cse8) .cse9 .cse10 (and .cse1 .cse4 .cse5 .cse6 .cse8))) (or .cse11 .cse12 .cse10 .cse13) (let ((.cse15 (= |processEnvironment__wrappee__highWaterSensor_isMethaneAlarm_#res#1| ~methaneLevelCritical~0)) (.cse16 (= ~methaneLevelCritical~0 |processEnvironment__wrappee__highWaterSensor_activatePump_~tmp~8#1|))) (or .cse0 .cse11 .cse14 .cse9 (and .cse1 .cse7 .cse4 .cse15 .cse16 .cse8) (and .cse1 .cse4 .cse15 .cse16 .cse5 .cse6 .cse8))) (or .cse11 .cse14 .cse12 .cse13)))) [2022-07-13 17:59:45,031 INFO L899 garLoopResultBuilder]: For program point L653(lines 653 659) no Hoare annotation was computed. [2022-07-13 17:59:45,031 INFO L895 garLoopResultBuilder]: At program point L969(lines 954 972) the Hoare annotation is: (let ((.cse9 (<= ~waterLevel~0 1)) (.cse10 (= ~pumpRunning~0 0))) (let ((.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and .cse10 (not (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0)) (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~2#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~9#1| 0))) (.cse2 (not (<= ~waterLevel~0 2))) (.cse4 (and .cse10 .cse9)) (.cse5 (not (= 1 ~systemActive~0))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= |old(~pumpRunning~0)| 1))) (.cse7 (not .cse9))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 ~systemActive~0)) .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse7) (or .cse0 .cse5 .cse1 .cse8 .cse2 .cse4) (or .cse5 .cse8 .cse6 .cse7)))) [2022-07-13 17:59:45,031 INFO L895 garLoopResultBuilder]: At program point L905(lines 898 908) the Hoare annotation is: (let ((.cse4 (= 1 ~systemActive~0)) (.cse7 (<= ~waterLevel~0 1))) (let ((.cse9 (not (= ~methaneLevelCritical~0 1))) (.cse11 (not (= |old(~pumpRunning~0)| 1))) (.cse12 (not .cse7)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse10 (not .cse4)) (.cse13 (not (= ~methaneLevelCritical~0 0))) (.cse8 (not (<= ~waterLevel~0 2))) (.cse1 (not (= |processEnvironment__wrappee__highWaterSensor_~tmp~6#1| 0))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (= ~pumpRunning~0 0)) (.cse5 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)) (.cse6 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~9#1| 0))) (and (or .cse0 (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse1 .cse2 .cse3 .cse7 .cse4) (not (= ~methaneLevelCritical~0 ~systemActive~0)) .cse8 .cse9) (or .cse10 .cse11 .cse9 .cse12) (or .cse10 .cse13 .cse11 .cse12) (let ((.cse14 (= |processEnvironment__wrappee__highWaterSensor_isMethaneAlarm_#res#1| ~methaneLevelCritical~0))) (or .cse0 .cse10 (and .cse1 .cse2 .cse3 .cse7 .cse4 .cse14) .cse13 .cse8 (and .cse1 .cse2 .cse3 .cse4 .cse14 .cse5 .cse6)))))) [2022-07-13 17:59:45,031 INFO L895 garLoopResultBuilder]: At program point L903(line 903) the Hoare annotation is: (let ((.cse9 (<= ~waterLevel~0 1)) (.cse11 (not (= |processEnvironment__wrappee__highWaterSensor_~tmp~6#1| 0))) (.cse12 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse13 (= ~pumpRunning~0 0)) (.cse10 (= 1 ~systemActive~0))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and .cse11 .cse12 .cse13 .cse10 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~9#1| 0))) (.cse3 (and .cse11 .cse12 .cse13 .cse9 .cse10)) (.cse5 (not (<= ~waterLevel~0 2))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not .cse10)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (= |old(~pumpRunning~0)| 1))) (.cse8 (not .cse9))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse3 (not (= ~methaneLevelCritical~0 ~systemActive~0)) .cse5 .cse6) (or .cse2 .cse7 .cse6 .cse8) (or .cse2 .cse4 .cse7 .cse8)))) [2022-07-13 17:59:45,031 INFO L899 garLoopResultBuilder]: For program point L903-1(line 903) no Hoare annotation was computed. [2022-07-13 17:59:45,031 INFO L899 garLoopResultBuilder]: For program point L963(lines 963 967) no Hoare annotation was computed. [2022-07-13 17:59:45,031 INFO L899 garLoopResultBuilder]: For program point L963-2(lines 963 967) no Hoare annotation was computed. [2022-07-13 17:59:45,032 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 813 837) no Hoare annotation was computed. [2022-07-13 17:59:45,032 INFO L895 garLoopResultBuilder]: At program point L827(line 827) the Hoare annotation is: (let ((.cse8 (<= ~waterLevel~0 1))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (<= ~waterLevel~0 2))) (.cse4 (and (= ~pumpRunning~0 0) .cse8)) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= |old(~pumpRunning~0)| 1))) (.cse7 (not .cse8))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 (not (= ~methaneLevelCritical~0 ~systemActive~0)) .cse3 .cse5 .cse4) (or .cse1 .cse6 .cse5 .cse7) (or .cse1 .cse2 .cse6 .cse7)))) [2022-07-13 17:59:45,032 INFO L899 garLoopResultBuilder]: For program point L821(lines 821 829) no Hoare annotation was computed. [2022-07-13 17:59:45,032 INFO L895 garLoopResultBuilder]: At program point L658(lines 649 662) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse10 (<= ~waterLevel~0 1))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (<= ~waterLevel~0 2))) (.cse8 (not (= ~methaneLevelCritical~0 1))) (.cse3 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)) (.cse6 (and .cse2 .cse10)) (.cse1 (not (= 1 ~systemActive~0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (= |old(~pumpRunning~0)| 1))) (.cse9 (not .cse10))) (and (or .cse0 .cse1 (and .cse2 .cse3) .cse4 .cse5 .cse6) (or .cse1 .cse7 .cse8 .cse9) (or .cse0 (not (= ~methaneLevelCritical~0 ~systemActive~0)) .cse5 .cse8 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse3) .cse6) (or .cse1 .cse4 .cse7 .cse9)))) [2022-07-13 17:59:45,032 INFO L899 garLoopResultBuilder]: For program point L817(lines 817 834) no Hoare annotation was computed. [2022-07-13 17:59:45,032 INFO L895 garLoopResultBuilder]: At program point L869(lines 864 871) the Hoare annotation is: (let ((.cse8 (<= ~waterLevel~0 1)) (.cse9 (= 1 ~systemActive~0))) (let ((.cse0 (not .cse9)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= |old(~pumpRunning~0)| 1))) (.cse3 (not .cse8)) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (not (<= ~waterLevel~0 2))) (.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse7 (not (= |processEnvironment__wrappee__highWaterSensor_~tmp~6#1| 0))) (.cse13 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)) (.cse14 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~9#1| 0)) (.cse12 (= ~pumpRunning~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (let ((.cse10 (= |processEnvironment__wrappee__highWaterSensor_isMethaneAlarm_#res#1| ~methaneLevelCritical~0)) (.cse11 (= ~methaneLevelCritical~0 |processEnvironment__wrappee__highWaterSensor_activatePump_~tmp~8#1|))) (or .cse4 .cse0 .cse5 .cse6 (and .cse7 .cse8 .cse9 .cse10 .cse11 .cse12) (and .cse7 .cse9 .cse10 .cse11 .cse13 .cse14 .cse12))) (or .cse0 .cse5 .cse1 .cse3) (or .cse4 (not (= ~methaneLevelCritical~0 ~systemActive~0)) (and .cse7 .cse8 .cse9 .cse12) .cse6 .cse2 (and .cse7 .cse9 .cse13 .cse14 .cse12))))) [2022-07-13 17:59:45,032 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 584 595) no Hoare annotation was computed. [2022-07-13 17:59:45,032 INFO L899 garLoopResultBuilder]: For program point L588-1(lines 584 595) no Hoare annotation was computed. [2022-07-13 17:59:45,033 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 584 595) the Hoare annotation is: (let ((.cse5 (not (= ~pumpRunning~0 0))) (.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 1 ~systemActive~0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= ~pumpRunning~0 1))) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (<= |old(~waterLevel~0)| 1)) .cse5 .cse0 .cse6 .cse3) (or .cse5 .cse0 .cse2 .cse3 .cse4) (or .cse0 .cse6 .cse1 .cse3 .cse4))) [2022-07-13 17:59:45,035 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 17:59:45,036 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-13 17:59:45,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.07 05:59:45 BoogieIcfgContainer [2022-07-13 17:59:45,076 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-13 17:59:45,076 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-13 17:59:45,076 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-13 17:59:45,077 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-13 17:59:45,077 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 05:59:34" (3/4) ... [2022-07-13 17:59:45,079 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-13 17:59:45,083 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-07-13 17:59:45,083 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-07-13 17:59:45,083 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-07-13 17:59:45,083 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-07-13 17:59:45,084 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-07-13 17:59:45,084 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-07-13 17:59:45,084 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-07-13 17:59:45,089 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2022-07-13 17:59:45,089 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-07-13 17:59:45,090 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-13 17:59:45,090 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-13 17:59:45,090 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-13 17:59:45,090 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-13 17:59:45,091 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-13 17:59:45,110 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) && ((((((waterLevel <= 1 && waterLevel <= \old(waterLevel)) && pumpRunning == 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == systemActive)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2))) && ((((((waterLevel <= 1 && waterLevel <= \old(waterLevel)) && pumpRunning == 1) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) <= 2)) [2022-07-13 17:59:45,111 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((waterLevel <= 1 && waterLevel <= \old(waterLevel)) && pumpRunning == 1) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || ((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(\old(waterLevel) <= 2)) && (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(methaneLevelCritical == systemActive)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2)) || (\old(waterLevel) == waterLevel && pumpRunning == 1))) && (((((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) || (\old(waterLevel) == waterLevel && pumpRunning == 1))) && (((((((waterLevel <= 1 && waterLevel <= \old(waterLevel)) && pumpRunning == 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 1)) || ((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2)) [2022-07-13 17:59:45,111 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || (((methaneLevelCritical == tmp && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && pumpRunning == 1)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2)) || (((pumpRunning == 0 && methaneLevelCritical == tmp) && waterLevel <= 1) && waterLevel <= \old(waterLevel))) && (((((!(1 == systemActive) || ((((pumpRunning == 0 && methaneLevelCritical == tmp) && waterLevel <= 1) && tmp___0 <= 1) && \result <= 1)) || (((((methaneLevelCritical == tmp && waterLevel <= 1) && 1 == systemActive) && tmp___0 <= 1) && \result <= 1) && pumpRunning == 1)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) <= 2))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((pumpRunning == 0 && methaneLevelCritical == tmp) && waterLevel <= 1) && \old(waterLevel) == waterLevel)) || (((methaneLevelCritical == tmp && 1 == systemActive) && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2))) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (tmp___0 <= 1 && \result <= 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || waterLevel <= \old(waterLevel))) && (((((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && methaneLevelCritical == tmp) && \old(waterLevel) == waterLevel)) || ((methaneLevelCritical == tmp && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || !(methaneLevelCritical == systemActive)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2)) [2022-07-13 17:59:45,111 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(pumpRunning) == 0) || (((((!(tmp == 0) && pumpRunning == \old(pumpRunning)) && pumpRunning == 0) && 1 == systemActive) && \result == 0) && tmp == 0)) || ((((!(tmp == 0) && pumpRunning == \old(pumpRunning)) && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive)) || !(methaneLevelCritical == systemActive)) || !(waterLevel <= 2)) || !(methaneLevelCritical == 1)) && (((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1)) || !(waterLevel <= 1))) && (((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(waterLevel <= 1))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((((!(tmp == 0) && pumpRunning == \old(pumpRunning)) && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && \result == methaneLevelCritical)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 2)) || ((((((!(tmp == 0) && pumpRunning == \old(pumpRunning)) && pumpRunning == 0) && 1 == systemActive) && \result == methaneLevelCritical) && \result == 0) && tmp == 0)) [2022-07-13 17:59:45,112 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) && ((((((waterLevel <= 1 && waterLevel <= \old(waterLevel)) && pumpRunning == 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == systemActive)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2))) && ((((((waterLevel <= 1 && waterLevel <= \old(waterLevel)) && pumpRunning == 1) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) <= 2)) [2022-07-13 17:59:45,112 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2)) && (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == systemActive)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2))) && ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || \result == 1)) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || \result <= 1)) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((pumpRunning == 0 && methaneLevelCritical == tmp) && waterLevel <= 1) && \old(waterLevel) == waterLevel)) || !(methaneLevelCritical == 0)) || ((methaneLevelCritical == tmp && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || !(\old(waterLevel) <= 2))) && (((((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) <= 2)) || ((((methaneLevelCritical == tmp && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && \result <= 1) && pumpRunning == 1)) || ((((pumpRunning == 0 && methaneLevelCritical == tmp) && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && \result <= 1)) [2022-07-13 17:59:45,112 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 0)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 2)) || (pumpRunning == 0 && waterLevel <= 1)) && (((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1)) || !(waterLevel <= 1))) && (((((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == systemActive)) || !(waterLevel <= 2)) || !(methaneLevelCritical == 1)) || (pumpRunning == \old(pumpRunning) && \result == 0)) || (pumpRunning == 0 && waterLevel <= 1))) && (((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(waterLevel <= 1)) [2022-07-13 17:59:45,112 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(\old(pumpRunning) == 0) || (((((!(tmp == 0) && pumpRunning == \old(pumpRunning)) && pumpRunning == 0) && 1 == systemActive) && \result == 0) && tmp == 0)) || ((((!(tmp == 0) && pumpRunning == \old(pumpRunning)) && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive)) || !(methaneLevelCritical == systemActive)) || (((!(tmp == 0) && waterLevel <= 1) && 1 == systemActive) && pumpRunning == 1)) || !(waterLevel <= 2)) || !(methaneLevelCritical == 1)) || ((((!(tmp == 0) && 1 == systemActive) && \result == 0) && tmp == 0) && pumpRunning == 1)) && (((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1)) || !(waterLevel <= 1))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 2)) || (((((!(tmp == 0) && waterLevel <= 1) && 1 == systemActive) && \result == methaneLevelCritical) && methaneLevelCritical == tmp) && pumpRunning == 1)) || ((((((!(tmp == 0) && 1 == systemActive) && \result == methaneLevelCritical) && methaneLevelCritical == tmp) && \result == 0) && tmp == 0) && pumpRunning == 1))) && (((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(waterLevel <= 1)) [2022-07-13 17:59:45,112 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1)) || !(waterLevel <= 1)) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 2)) || (((((!(tmp == 0) && waterLevel <= 1) && 1 == systemActive) && \result == methaneLevelCritical) && methaneLevelCritical == tmp) && pumpRunning == 1)) || ((((((!(tmp == 0) && 1 == systemActive) && \result == methaneLevelCritical) && methaneLevelCritical == tmp) && \result == 0) && tmp == 0) && pumpRunning == 1))) && (((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(waterLevel <= 1))) && (((((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == systemActive)) || (((!(tmp == 0) && waterLevel <= 1) && 1 == systemActive) && pumpRunning == 1)) || !(waterLevel <= 2)) || !(methaneLevelCritical == 1)) || ((((!(tmp == 0) && 1 == systemActive) && \result == 0) && tmp == 0) && pumpRunning == 1)) [2022-07-13 17:59:45,112 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) && ((((((waterLevel <= 1 && waterLevel <= \old(waterLevel)) && pumpRunning == 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == systemActive)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2))) && ((((((waterLevel <= 1 && waterLevel <= \old(waterLevel)) && pumpRunning == 1) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) <= 2)) [2022-07-13 17:59:45,113 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2)) && (((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == systemActive)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) || (((\result == 1 && methaneLevelCritical == tmp) && \old(waterLevel) == waterLevel) && pumpRunning == 1)) [2022-07-13 17:59:45,113 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(pumpRunning) == 0) || ((((pumpRunning == 0 && !(\result == 0)) && 1 <= tmp___0) && \result == 0) && tmp == 0)) || !(methaneLevelCritical == systemActive)) || !(waterLevel <= 2)) || !(methaneLevelCritical == 1)) || (pumpRunning == 0 && waterLevel <= 1)) && (((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1)) || !(waterLevel <= 1))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((((pumpRunning == 0 && !(\result == 0)) && 1 <= tmp___0) && \result == 0) && tmp == 0)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 2)) || (pumpRunning == 0 && waterLevel <= 1))) && (((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(waterLevel <= 1)) [2022-07-13 17:59:45,113 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) && ((((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || ((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2))) && ((((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || ((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == systemActive)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2)) [2022-07-13 17:59:45,113 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2))) && (((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == systemActive)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2)) [2022-07-13 17:59:45,132 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-13 17:59:45,132 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-13 17:59:45,133 INFO L158 Benchmark]: Toolchain (without parser) took 11816.05ms. Allocated memory was 117.4MB in the beginning and 207.6MB in the end (delta: 90.2MB). Free memory was 84.1MB in the beginning and 177.1MB in the end (delta: -93.0MB). Peak memory consumption was 114.9MB. Max. memory is 16.1GB. [2022-07-13 17:59:45,133 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 88.1MB. Free memory was 43.1MB in the beginning and 43.1MB in the end (delta: 40.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 17:59:45,133 INFO L158 Benchmark]: CACSL2BoogieTranslator took 348.81ms. Allocated memory is still 117.4MB. Free memory was 83.8MB in the beginning and 85.6MB in the end (delta: -1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-13 17:59:45,133 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.53ms. Allocated memory is still 117.4MB. Free memory was 85.0MB in the beginning and 82.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 17:59:45,134 INFO L158 Benchmark]: Boogie Preprocessor took 29.87ms. Allocated memory is still 117.4MB. Free memory was 82.9MB in the beginning and 81.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 17:59:45,134 INFO L158 Benchmark]: RCFGBuilder took 309.98ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 64.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-07-13 17:59:45,134 INFO L158 Benchmark]: TraceAbstraction took 11021.47ms. Allocated memory was 117.4MB in the beginning and 207.6MB in the end (delta: 90.2MB). Free memory was 63.2MB in the beginning and 63.5MB in the end (delta: -337.4kB). Peak memory consumption was 96.8MB. Max. memory is 16.1GB. [2022-07-13 17:59:45,135 INFO L158 Benchmark]: Witness Printer took 55.96ms. Allocated memory is still 207.6MB. Free memory was 63.5MB in the beginning and 177.1MB in the end (delta: -113.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 17:59:45,136 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 88.1MB. Free memory was 43.1MB in the beginning and 43.1MB in the end (delta: 40.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 348.81ms. Allocated memory is still 117.4MB. Free memory was 83.8MB in the beginning and 85.6MB in the end (delta: -1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.53ms. Allocated memory is still 117.4MB. Free memory was 85.0MB in the beginning and 82.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.87ms. Allocated memory is still 117.4MB. Free memory was 82.9MB in the beginning and 81.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 309.98ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 64.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 11021.47ms. Allocated memory was 117.4MB in the beginning and 207.6MB in the end (delta: 90.2MB). Free memory was 63.2MB in the beginning and 63.5MB in the end (delta: -337.4kB). Peak memory consumption was 96.8MB. Max. memory is 16.1GB. * Witness Printer took 55.96ms. Allocated memory is still 207.6MB. Free memory was 63.5MB in the beginning and 177.1MB in the end (delta: -113.5MB). Peak memory consumption was 2.1MB. 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: 559]: 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 8 procedures, 94 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.9s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2880 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2852 mSDsluCounter, 4755 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3266 mSDsCounter, 1054 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3779 IncrementalHoareTripleChecker+Invalid, 4833 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1054 mSolverCounterUnsat, 1489 mSDtfsCounter, 3779 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 526 GetRequests, 329 SyntacticMatches, 3 SemanticMatches, 194 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2022 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=770occurred in iteration=9, InterpolantAutomatonStates: 175, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 12 MinimizatonAttempts, 479 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 2016 PreInvPairs, 2400 NumberOfFragments, 3075 HoareAnnotationTreeSize, 2016 FomulaSimplifications, 396 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 44 FomulaSimplificationsInter, 30915 FormulaSimplificationTreeSizeReductionInter, 4.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 726 NumberOfCodeBlocks, 726 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 800 ConstructedInterpolants, 0 QuantifiedInterpolants, 1612 SizeOfPredicates, 8 NumberOfNonLiveVariables, 837 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 15 InterpolantComputations, 11 PerfectInterpolantSequences, 73/93 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: 555]: Loop Invariant Derived loop invariant: (((((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2))) && (((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == systemActive)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: (((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 0)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 2)) || (pumpRunning == 0 && waterLevel <= 1)) && (((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1)) || !(waterLevel <= 1))) && (((((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == systemActive)) || !(waterLevel <= 2)) || !(methaneLevelCritical == 1)) || (pumpRunning == \old(pumpRunning) && \result == 0)) || (pumpRunning == 0 && waterLevel <= 1))) && (((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(waterLevel <= 1)) - InvariantResult [Line: 864]: Loop Invariant Derived loop invariant: (((((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1)) || !(waterLevel <= 1)) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 2)) || (((((!(tmp == 0) && waterLevel <= 1) && 1 == systemActive) && \result == methaneLevelCritical) && methaneLevelCritical == tmp) && pumpRunning == 1)) || ((((((!(tmp == 0) && 1 == systemActive) && \result == methaneLevelCritical) && methaneLevelCritical == tmp) && \result == 0) && tmp == 0) && pumpRunning == 1))) && (((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(waterLevel <= 1))) && (((((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == systemActive)) || (((!(tmp == 0) && waterLevel <= 1) && 1 == systemActive) && pumpRunning == 1)) || !(waterLevel <= 2)) || !(methaneLevelCritical == 1)) || ((((!(tmp == 0) && 1 == systemActive) && \result == 0) && tmp == 0) && pumpRunning == 1)) - InvariantResult [Line: 718]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 973]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) && ((((((waterLevel <= 1 && waterLevel <= \old(waterLevel)) && pumpRunning == 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == systemActive)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2))) && ((((((waterLevel <= 1 && waterLevel <= \old(waterLevel)) && pumpRunning == 1) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 674]: Loop Invariant Derived loop invariant: (((((((((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || (((methaneLevelCritical == tmp && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && pumpRunning == 1)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2)) || (((pumpRunning == 0 && methaneLevelCritical == tmp) && waterLevel <= 1) && waterLevel <= \old(waterLevel))) && (((((!(1 == systemActive) || ((((pumpRunning == 0 && methaneLevelCritical == tmp) && waterLevel <= 1) && tmp___0 <= 1) && \result <= 1)) || (((((methaneLevelCritical == tmp && waterLevel <= 1) && 1 == systemActive) && tmp___0 <= 1) && \result <= 1) && pumpRunning == 1)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) <= 2))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((pumpRunning == 0 && methaneLevelCritical == tmp) && waterLevel <= 1) && \old(waterLevel) == waterLevel)) || (((methaneLevelCritical == tmp && 1 == systemActive) && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2))) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || (tmp___0 <= 1 && \result <= 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || waterLevel <= \old(waterLevel))) && (((((!(\old(pumpRunning) == 0) || ((pumpRunning == 0 && methaneLevelCritical == tmp) && \old(waterLevel) == waterLevel)) || ((methaneLevelCritical == tmp && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || !(methaneLevelCritical == systemActive)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 992]: Loop Invariant Derived loop invariant: ((((((methaneLevelCritical == 0 && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 1) || ((((1 == systemActive && methaneLevelCritical == 1) && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 1)) || ((((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2)) || ((((pumpRunning == 0 && 1 == systemActive) && methaneLevelCritical == 1) && splverifierCounter == 0) && waterLevel <= 2) - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: (((((((((!(\old(pumpRunning) == 0) || (((((!(tmp == 0) && pumpRunning == \old(pumpRunning)) && pumpRunning == 0) && 1 == systemActive) && \result == 0) && tmp == 0)) || ((((!(tmp == 0) && pumpRunning == \old(pumpRunning)) && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive)) || !(methaneLevelCritical == systemActive)) || (((!(tmp == 0) && waterLevel <= 1) && 1 == systemActive) && pumpRunning == 1)) || !(waterLevel <= 2)) || !(methaneLevelCritical == 1)) || ((((!(tmp == 0) && 1 == systemActive) && \result == 0) && tmp == 0) && pumpRunning == 1)) && (((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1)) || !(waterLevel <= 1))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 2)) || (((((!(tmp == 0) && waterLevel <= 1) && 1 == systemActive) && \result == methaneLevelCritical) && methaneLevelCritical == tmp) && pumpRunning == 1)) || ((((((!(tmp == 0) && 1 == systemActive) && \result == methaneLevelCritical) && methaneLevelCritical == tmp) && \result == 0) && tmp == 0) && pumpRunning == 1))) && (((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(waterLevel <= 1)) - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: (((((((!(\old(pumpRunning) == 0) || (((((!(tmp == 0) && pumpRunning == \old(pumpRunning)) && pumpRunning == 0) && 1 == systemActive) && \result == 0) && tmp == 0)) || ((((!(tmp == 0) && pumpRunning == \old(pumpRunning)) && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive)) || !(methaneLevelCritical == systemActive)) || !(waterLevel <= 2)) || !(methaneLevelCritical == 1)) && (((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1)) || !(waterLevel <= 1))) && (((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(waterLevel <= 1))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((((!(tmp == 0) && pumpRunning == \old(pumpRunning)) && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && \result == methaneLevelCritical)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 2)) || ((((((!(tmp == 0) && pumpRunning == \old(pumpRunning)) && pumpRunning == 0) && 1 == systemActive) && \result == methaneLevelCritical) && \result == 0) && tmp == 0)) - InvariantResult [Line: 709]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) && ((((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || ((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2))) && ((((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || ((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == systemActive)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: (((((((((waterLevel <= 1 && waterLevel <= \old(waterLevel)) && pumpRunning == 1) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || ((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(\old(waterLevel) <= 2)) && (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(methaneLevelCritical == systemActive)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2)) || (\old(waterLevel) == waterLevel && pumpRunning == 1))) && (((((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) || (\old(waterLevel) == waterLevel && pumpRunning == 1))) && (((((((waterLevel <= 1 && waterLevel <= \old(waterLevel)) && pumpRunning == 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 1)) || ((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 909]: Loop Invariant Derived loop invariant: ((((((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2)) && (((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == systemActive)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) || (((\result == 1 && methaneLevelCritical == tmp) && \old(waterLevel) == waterLevel) && pumpRunning == 1)) - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 663]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) && ((((((waterLevel <= 1 && waterLevel <= \old(waterLevel)) && pumpRunning == 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == systemActive)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2))) && ((((((waterLevel <= 1 && waterLevel <= \old(waterLevel)) && pumpRunning == 1) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 572]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) && ((((((waterLevel <= 1 && waterLevel <= \old(waterLevel)) && pumpRunning == 1) || !(1 == systemActive)) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == systemActive)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2))) && ((((((waterLevel <= 1 && waterLevel <= \old(waterLevel)) && pumpRunning == 1) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 719]: Loop Invariant Derived loop invariant: ((((((methaneLevelCritical == 0 && 1 == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 1) || ((((1 == systemActive && methaneLevelCritical == 1) && splverifierCounter == 0) && waterLevel <= 2) && pumpRunning == 1)) || ((((pumpRunning == 0 && 1 == systemActive) && methaneLevelCritical == 1) && splverifierCounter == 0) && waterLevel <= 2)) || ((((pumpRunning == 0 && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 954]: Loop Invariant Derived loop invariant: (((((((!(\old(pumpRunning) == 0) || ((((pumpRunning == 0 && !(\result == 0)) && 1 <= tmp___0) && \result == 0) && tmp == 0)) || !(methaneLevelCritical == systemActive)) || !(waterLevel <= 2)) || !(methaneLevelCritical == 1)) || (pumpRunning == 0 && waterLevel <= 1)) && (((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1)) || !(waterLevel <= 1))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((((pumpRunning == 0 && !(\result == 0)) && 1 <= tmp___0) && \result == 0) && tmp == 0)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 2)) || (pumpRunning == 0 && waterLevel <= 1))) && (((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(waterLevel <= 1)) - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: (((((((!(1 == systemActive) || !(\old(pumpRunning) == 1)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2)) && (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == systemActive)) || !(methaneLevelCritical == 1)) || !(\old(waterLevel) <= 2))) && ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || \result == 1)) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || \result <= 1)) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((pumpRunning == 0 && methaneLevelCritical == tmp) && waterLevel <= 1) && \old(waterLevel) == waterLevel)) || !(methaneLevelCritical == 0)) || ((methaneLevelCritical == tmp && \old(waterLevel) == waterLevel) && pumpRunning == 1)) || !(\old(waterLevel) <= 2))) && (((((!(1 == systemActive) || !(methaneLevelCritical == 0)) || !(\old(pumpRunning) == 1)) || !(\old(waterLevel) <= 2)) || ((((methaneLevelCritical == tmp && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && \result <= 1) && pumpRunning == 1)) || ((((pumpRunning == 0 && methaneLevelCritical == tmp) && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && \result <= 1)) RESULT: Ultimate proved your program to be correct! [2022-07-13 17:59:45,201 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE