./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product48.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 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_spec1_product48.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 ae2f7a85a5093ad80fd05f69a7d0bbcf9a510999a9154b6f2d8037f035f00930 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 04:59:39,753 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 04:59:39,756 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 04:59:39,797 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 04:59:39,797 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 04:59:39,799 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 04:59:39,802 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 04:59:39,806 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 04:59:39,812 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 04:59:39,817 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 04:59:39,818 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 04:59:39,820 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 04:59:39,820 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 04:59:39,822 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 04:59:39,823 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 04:59:39,828 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 04:59:39,829 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 04:59:39,831 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 04:59:39,832 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 04:59:39,838 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 04:59:39,840 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 04:59:39,841 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 04:59:39,842 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 04:59:39,843 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 04:59:39,845 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 04:59:39,852 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 04:59:39,852 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 04:59:39,852 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 04:59:39,853 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 04:59:39,854 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 04:59:39,855 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 04:59:39,855 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 04:59:39,857 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 04:59:39,857 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 04:59:39,859 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 04:59:39,859 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 04:59:39,860 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 04:59:39,860 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 04:59:39,860 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 04:59:39,861 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 04:59:39,861 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 04:59:39,862 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 04:59:39,867 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-21 04:59:39,899 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 04:59:39,900 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 04:59:39,900 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 04:59:39,901 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 04:59:39,901 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 04:59:39,902 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 04:59:39,902 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 04:59:39,903 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 04:59:39,903 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 04:59:39,904 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 04:59:39,904 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-21 04:59:39,904 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 04:59:39,904 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-21 04:59:39,904 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 04:59:39,905 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 04:59:39,905 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 04:59:39,905 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 04:59:39,905 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-21 04:59:39,906 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 04:59:39,906 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 04:59:39,906 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 04:59:39,906 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 04:59:39,906 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 04:59:39,907 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 04:59:39,907 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 04:59:39,907 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 04:59:39,907 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 04:59:39,907 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 04:59:39,908 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 04:59:39,908 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 04:59:39,908 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 04:59:39,908 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 04:59:39,908 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 04:59:39,909 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae2f7a85a5093ad80fd05f69a7d0bbcf9a510999a9154b6f2d8037f035f00930 [2022-07-21 04:59:40,211 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 04:59:40,233 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 04:59:40,235 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 04:59:40,236 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 04:59:40,237 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 04:59:40,238 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product48.cil.c [2022-07-21 04:59:40,293 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bf8bd05a/9ffa54221d9f4be49100cdcff11602ed/FLAGbc53a3eff [2022-07-21 04:59:40,778 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 04:59:40,778 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product48.cil.c [2022-07-21 04:59:40,794 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bf8bd05a/9ffa54221d9f4be49100cdcff11602ed/FLAGbc53a3eff [2022-07-21 04:59:40,810 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7bf8bd05a/9ffa54221d9f4be49100cdcff11602ed [2022-07-21 04:59:40,813 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 04:59:40,815 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 04:59:40,817 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 04:59:40,818 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 04:59:40,821 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 04:59:40,822 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 04:59:40" (1/1) ... [2022-07-21 04:59:40,823 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e6cbcb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:59:40, skipping insertion in model container [2022-07-21 04:59:40,823 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 04:59:40" (1/1) ... [2022-07-21 04:59:40,829 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 04:59:40,884 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 04:59:41,216 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product48.cil.c[17123,17136] [2022-07-21 04:59:41,221 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 04:59:41,230 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 04:59:41,310 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product48.cil.c[17123,17136] [2022-07-21 04:59:41,313 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 04:59:41,329 INFO L208 MainTranslator]: Completed translation [2022-07-21 04:59:41,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:59:41 WrapperNode [2022-07-21 04:59:41,329 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 04:59:41,330 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 04:59:41,331 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 04:59:41,331 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 04:59:41,337 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:59:41" (1/1) ... [2022-07-21 04:59:41,349 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:59:41" (1/1) ... [2022-07-21 04:59:41,376 INFO L137 Inliner]: procedures = 56, calls = 158, calls flagged for inlining = 22, calls inlined = 19, statements flattened = 244 [2022-07-21 04:59:41,377 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 04:59:41,378 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 04:59:41,378 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 04:59:41,378 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 04:59:41,385 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:59:41" (1/1) ... [2022-07-21 04:59:41,385 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:59:41" (1/1) ... [2022-07-21 04:59:41,388 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:59:41" (1/1) ... [2022-07-21 04:59:41,388 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:59:41" (1/1) ... [2022-07-21 04:59:41,394 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:59:41" (1/1) ... [2022-07-21 04:59:41,399 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:59:41" (1/1) ... [2022-07-21 04:59:41,415 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:59:41" (1/1) ... [2022-07-21 04:59:41,418 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 04:59:41,418 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 04:59:41,419 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 04:59:41,419 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 04:59:41,420 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:59:41" (1/1) ... [2022-07-21 04:59:41,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 04:59:41,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 04:59:41,481 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) [2022-07-21 04:59:41,490 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 [2022-07-21 04:59:41,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 04:59:41,522 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-07-21 04:59:41,522 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-07-21 04:59:41,522 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-07-21 04:59:41,522 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-07-21 04:59:41,522 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-07-21 04:59:41,522 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-07-21 04:59:41,522 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-07-21 04:59:41,523 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-07-21 04:59:41,523 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-07-21 04:59:41,523 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-07-21 04:59:41,523 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-07-21 04:59:41,523 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-07-21 04:59:41,523 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-07-21 04:59:41,523 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-07-21 04:59:41,523 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-07-21 04:59:41,523 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-07-21 04:59:41,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 04:59:41,523 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-07-21 04:59:41,523 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-07-21 04:59:41,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 04:59:41,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 04:59:41,594 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 04:59:41,598 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 04:59:41,979 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 04:59:41,986 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 04:59:41,986 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-21 04:59:41,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 04:59:41 BoogieIcfgContainer [2022-07-21 04:59:41,992 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 04:59:41,994 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 04:59:41,995 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 04:59:41,999 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 04:59:41,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 04:59:40" (1/3) ... [2022-07-21 04:59:42,000 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e8f2b2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 04:59:42, skipping insertion in model container [2022-07-21 04:59:42,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:59:41" (2/3) ... [2022-07-21 04:59:42,001 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e8f2b2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 04:59:42, skipping insertion in model container [2022-07-21 04:59:42,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 04:59:41" (3/3) ... [2022-07-21 04:59:42,002 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product48.cil.c [2022-07-21 04:59:42,015 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 04:59:42,016 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 04:59:42,075 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 04:59:42,085 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@456fbbfc, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@7c67b67a [2022-07-21 04:59:42,086 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 04:59:42,093 INFO L276 IsEmpty]: Start isEmpty. Operand has 101 states, 74 states have (on average 1.364864864864865) internal successors, (101), 83 states have internal predecessors, (101), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 13 states have call predecessors, (16), 16 states have call successors, (16) [2022-07-21 04:59:42,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-07-21 04:59:42,102 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 04:59:42,103 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] [2022-07-21 04:59:42,104 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 04:59:42,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 04:59:42,110 INFO L85 PathProgramCache]: Analyzing trace with hash 1258110476, now seen corresponding path program 1 times [2022-07-21 04:59:42,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 04:59:42,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812636938] [2022-07-21 04:59:42,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 04:59:42,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 04:59:42,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:59:42,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 04:59:42,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:59:42,356 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 04:59:42,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 04:59:42,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812636938] [2022-07-21 04:59:42,357 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812636938] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 04:59:42,357 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 04:59:42,358 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 04:59:42,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984776466] [2022-07-21 04:59:42,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 04:59:42,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-21 04:59:42,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 04:59:42,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-21 04:59:42,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-21 04:59:42,397 INFO L87 Difference]: Start difference. First operand has 101 states, 74 states have (on average 1.364864864864865) internal successors, (101), 83 states have internal predecessors, (101), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 13 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-21 04:59:42,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 04:59:42,428 INFO L93 Difference]: Finished difference Result 194 states and 261 transitions. [2022-07-21 04:59:42,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-21 04:59:42,430 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2022-07-21 04:59:42,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 04:59:42,438 INFO L225 Difference]: With dead ends: 194 [2022-07-21 04:59:42,438 INFO L226 Difference]: Without dead ends: 92 [2022-07-21 04:59:42,442 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 [2022-07-21 04:59:42,445 INFO L413 NwaCegarLoop]: 127 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, 127 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 [2022-07-21 04:59:42,446 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 04:59:42,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2022-07-21 04:59:42,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2022-07-21 04:59:42,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 67 states have (on average 1.2985074626865671) internal successors, (87), 75 states have internal predecessors, (87), 16 states have call successors, (16), 9 states have call predecessors, (16), 8 states have return successors, (15), 12 states have call predecessors, (15), 15 states have call successors, (15) [2022-07-21 04:59:42,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 118 transitions. [2022-07-21 04:59:42,486 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 118 transitions. Word has length 23 [2022-07-21 04:59:42,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 04:59:42,487 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 118 transitions. [2022-07-21 04:59:42,487 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-21 04:59:42,488 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 118 transitions. [2022-07-21 04:59:42,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-07-21 04:59:42,490 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 04:59:42,490 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] [2022-07-21 04:59:42,490 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 04:59:42,491 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 04:59:42,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 04:59:42,491 INFO L85 PathProgramCache]: Analyzing trace with hash -1705390326, now seen corresponding path program 1 times [2022-07-21 04:59:42,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 04:59:42,492 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447465151] [2022-07-21 04:59:42,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 04:59:42,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 04:59:42,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:59:42,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-21 04:59:42,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:59:42,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 04:59:42,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 04:59:42,579 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447465151] [2022-07-21 04:59:42,579 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447465151] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 04:59:42,580 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 04:59:42,580 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 04:59:42,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476117161] [2022-07-21 04:59:42,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 04:59:42,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 04:59:42,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 04:59:42,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 04:59:42,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 04:59:42,586 INFO L87 Difference]: Start difference. First operand 92 states and 118 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-21 04:59:42,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 04:59:42,624 INFO L93 Difference]: Finished difference Result 145 states and 185 transitions. [2022-07-21 04:59:42,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 04:59:42,625 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2022-07-21 04:59:42,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 04:59:42,628 INFO L225 Difference]: With dead ends: 145 [2022-07-21 04:59:42,628 INFO L226 Difference]: Without dead ends: 83 [2022-07-21 04:59:42,630 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 [2022-07-21 04:59:42,633 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 17 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 188 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 [2022-07-21 04:59:42,634 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 188 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 04:59:42,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2022-07-21 04:59:42,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2022-07-21 04:59:42,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 61 states have (on average 1.3114754098360655) internal successors, (80), 69 states have internal predecessors, (80), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2022-07-21 04:59:42,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 106 transitions. [2022-07-21 04:59:42,647 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 106 transitions. Word has length 24 [2022-07-21 04:59:42,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 04:59:42,648 INFO L495 AbstractCegarLoop]: Abstraction has 83 states and 106 transitions. [2022-07-21 04:59:42,649 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-21 04:59:42,649 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 106 transitions. [2022-07-21 04:59:42,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-07-21 04:59:42,652 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 04:59:42,652 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] [2022-07-21 04:59:42,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 04:59:42,653 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 04:59:42,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 04:59:42,653 INFO L85 PathProgramCache]: Analyzing trace with hash 581187755, now seen corresponding path program 1 times [2022-07-21 04:59:42,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 04:59:42,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805564787] [2022-07-21 04:59:42,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 04:59:42,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 04:59:42,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:59:42,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-21 04:59:42,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:59:42,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 04:59:42,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 04:59:42,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805564787] [2022-07-21 04:59:42,755 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805564787] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 04:59:42,756 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 04:59:42,756 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 04:59:42,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962177841] [2022-07-21 04:59:42,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 04:59:42,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 04:59:42,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 04:59:42,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 04:59:42,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 04:59:42,759 INFO L87 Difference]: Start difference. First operand 83 states and 106 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-21 04:59:42,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 04:59:42,806 INFO L93 Difference]: Finished difference Result 233 states and 303 transitions. [2022-07-21 04:59:42,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 04:59:42,807 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2022-07-21 04:59:42,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 04:59:42,809 INFO L225 Difference]: With dead ends: 233 [2022-07-21 04:59:42,809 INFO L226 Difference]: Without dead ends: 157 [2022-07-21 04:59:42,810 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 [2022-07-21 04:59:42,811 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 98 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-21 04:59:42,811 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 228 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 04:59:42,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2022-07-21 04:59:42,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 154. [2022-07-21 04:59:42,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 111 states have (on average 1.3333333333333333) internal successors, (148), 126 states have internal predecessors, (148), 26 states have call successors, (26), 16 states have call predecessors, (26), 16 states have return successors, (26), 19 states have call predecessors, (26), 26 states have call successors, (26) [2022-07-21 04:59:42,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 200 transitions. [2022-07-21 04:59:42,836 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 200 transitions. Word has length 29 [2022-07-21 04:59:42,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 04:59:42,836 INFO L495 AbstractCegarLoop]: Abstraction has 154 states and 200 transitions. [2022-07-21 04:59:42,837 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-21 04:59:42,837 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 200 transitions. [2022-07-21 04:59:42,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-07-21 04:59:42,838 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 04:59:42,838 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] [2022-07-21 04:59:42,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-21 04:59:42,839 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 04:59:42,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 04:59:42,839 INFO L85 PathProgramCache]: Analyzing trace with hash 1535507548, now seen corresponding path program 1 times [2022-07-21 04:59:42,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 04:59:42,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778070087] [2022-07-21 04:59:42,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 04:59:42,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 04:59:42,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:59:42,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-21 04:59:42,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:59:42,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 04:59:42,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 04:59:42,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778070087] [2022-07-21 04:59:42,941 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778070087] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 04:59:42,941 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 04:59:42,941 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 04:59:42,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969091354] [2022-07-21 04:59:42,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 04:59:42,942 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 04:59:42,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 04:59:42,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 04:59:42,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 04:59:42,944 INFO L87 Difference]: Start difference. First operand 154 states and 200 transitions. Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-21 04:59:43,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 04:59:43,100 INFO L93 Difference]: Finished difference Result 448 states and 591 transitions. [2022-07-21 04:59:43,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-21 04:59:43,101 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 32 [2022-07-21 04:59:43,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 04:59:43,104 INFO L225 Difference]: With dead ends: 448 [2022-07-21 04:59:43,105 INFO L226 Difference]: Without dead ends: 301 [2022-07-21 04:59:43,106 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-07-21 04:59:43,107 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 77 mSDsluCounter, 407 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-21 04:59:43,107 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 523 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-21 04:59:43,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2022-07-21 04:59:43,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 295. [2022-07-21 04:59:43,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 210 states have (on average 1.3238095238095238) internal successors, (278), 239 states have internal predecessors, (278), 52 states have call successors, (52), 32 states have call predecessors, (52), 32 states have return successors, (54), 38 states have call predecessors, (54), 52 states have call successors, (54) [2022-07-21 04:59:43,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 384 transitions. [2022-07-21 04:59:43,157 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 384 transitions. Word has length 32 [2022-07-21 04:59:43,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 04:59:43,158 INFO L495 AbstractCegarLoop]: Abstraction has 295 states and 384 transitions. [2022-07-21 04:59:43,158 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-21 04:59:43,158 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 384 transitions. [2022-07-21 04:59:43,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-07-21 04:59:43,161 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 04:59:43,161 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] [2022-07-21 04:59:43,161 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-21 04:59:43,162 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 04:59:43,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 04:59:43,162 INFO L85 PathProgramCache]: Analyzing trace with hash 382867040, now seen corresponding path program 1 times [2022-07-21 04:59:43,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 04:59:43,167 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029533189] [2022-07-21 04:59:43,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 04:59:43,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 04:59:43,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:59:43,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-21 04:59:43,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:59:43,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-21 04:59:43,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:59:43,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 04:59:43,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 04:59:43,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029533189] [2022-07-21 04:59:43,255 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029533189] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 04:59:43,255 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 04:59:43,255 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 04:59:43,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767891885] [2022-07-21 04:59:43,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 04:59:43,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 04:59:43,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 04:59:43,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 04:59:43,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 04:59:43,264 INFO L87 Difference]: Start difference. First operand 295 states and 384 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-21 04:59:43,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 04:59:43,602 INFO L93 Difference]: Finished difference Result 781 states and 1029 transitions. [2022-07-21 04:59:43,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-21 04:59:43,603 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 36 [2022-07-21 04:59:43,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 04:59:43,612 INFO L225 Difference]: With dead ends: 781 [2022-07-21 04:59:43,612 INFO L226 Difference]: Without dead ends: 493 [2022-07-21 04:59:43,614 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-07-21 04:59:43,617 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 129 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 264 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-21 04:59:43,617 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 204 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 264 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-21 04:59:43,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2022-07-21 04:59:43,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 479. [2022-07-21 04:59:43,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 479 states, 346 states have (on average 1.2716763005780347) internal successors, (440), 379 states have internal predecessors, (440), 72 states have call successors, (72), 60 states have call predecessors, (72), 60 states have return successors, (92), 66 states have call predecessors, (92), 72 states have call successors, (92) [2022-07-21 04:59:43,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 604 transitions. [2022-07-21 04:59:43,681 INFO L78 Accepts]: Start accepts. Automaton has 479 states and 604 transitions. Word has length 36 [2022-07-21 04:59:43,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 04:59:43,682 INFO L495 AbstractCegarLoop]: Abstraction has 479 states and 604 transitions. [2022-07-21 04:59:43,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-07-21 04:59:43,682 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 604 transitions. [2022-07-21 04:59:43,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-07-21 04:59:43,685 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 04:59:43,685 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] [2022-07-21 04:59:43,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-21 04:59:43,686 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 04:59:43,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 04:59:43,686 INFO L85 PathProgramCache]: Analyzing trace with hash 839687842, now seen corresponding path program 1 times [2022-07-21 04:59:43,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 04:59:43,687 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691238480] [2022-07-21 04:59:43,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 04:59:43,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 04:59:43,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:59:43,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-21 04:59:43,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:59:43,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-21 04:59:43,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:59:43,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 04:59:43,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:59:43,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 04:59:43,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:59:43,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 04:59:43,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:59:43,767 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-21 04:59:43,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 04:59:43,767 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691238480] [2022-07-21 04:59:43,768 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691238480] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 04:59:43,768 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 04:59:43,768 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 04:59:43,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [531840195] [2022-07-21 04:59:43,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 04:59:43,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 04:59:43,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 04:59:43,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 04:59:43,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-21 04:59:43,770 INFO L87 Difference]: Start difference. First operand 479 states and 604 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, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-21 04:59:44,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 04:59:44,090 INFO L93 Difference]: Finished difference Result 1065 states and 1376 transitions. [2022-07-21 04:59:44,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 04:59:44,091 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, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 59 [2022-07-21 04:59:44,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 04:59:44,095 INFO L225 Difference]: With dead ends: 1065 [2022-07-21 04:59:44,095 INFO L226 Difference]: Without dead ends: 593 [2022-07-21 04:59:44,097 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-07-21 04:59:44,098 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 132 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 301 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 361 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-21 04:59:44,098 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 219 Invalid, 361 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 301 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-21 04:59:44,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2022-07-21 04:59:44,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 571. [2022-07-21 04:59:44,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 571 states, 418 states have (on average 1.2392344497607655) internal successors, (518), 451 states have internal predecessors, (518), 80 states have call successors, (80), 60 states have call predecessors, (80), 72 states have return successors, (112), 82 states have call predecessors, (112), 80 states have call successors, (112) [2022-07-21 04:59:44,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 710 transitions. [2022-07-21 04:59:44,143 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 710 transitions. Word has length 59 [2022-07-21 04:59:44,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 04:59:44,144 INFO L495 AbstractCegarLoop]: Abstraction has 571 states and 710 transitions. [2022-07-21 04:59:44,144 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, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-21 04:59:44,145 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 710 transitions. [2022-07-21 04:59:44,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-07-21 04:59:44,147 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 04:59:44,147 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] [2022-07-21 04:59:44,148 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-21 04:59:44,148 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 04:59:44,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 04:59:44,148 INFO L85 PathProgramCache]: Analyzing trace with hash 862320096, now seen corresponding path program 1 times [2022-07-21 04:59:44,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 04:59:44,149 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493307171] [2022-07-21 04:59:44,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 04:59:44,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 04:59:44,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:59:44,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-21 04:59:44,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:59:44,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-21 04:59:44,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:59:44,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 04:59:44,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:59:44,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 04:59:44,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:59:44,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 04:59:44,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:59:44,254 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-21 04:59:44,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 04:59:44,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493307171] [2022-07-21 04:59:44,254 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493307171] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 04:59:44,254 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 04:59:44,255 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 04:59:44,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768539040] [2022-07-21 04:59:44,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 04:59:44,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 04:59:44,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 04:59:44,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 04:59:44,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 04:59:44,256 INFO L87 Difference]: Start difference. First operand 571 states and 710 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-21 04:59:44,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 04:59:44,513 INFO L93 Difference]: Finished difference Result 1169 states and 1490 transitions. [2022-07-21 04:59:44,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 04:59:44,514 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 59 [2022-07-21 04:59:44,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 04:59:44,518 INFO L225 Difference]: With dead ends: 1169 [2022-07-21 04:59:44,518 INFO L226 Difference]: Without dead ends: 605 [2022-07-21 04:59:44,520 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-07-21 04:59:44,523 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 133 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-21 04:59:44,524 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 192 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-21 04:59:44,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 605 states. [2022-07-21 04:59:44,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 605 to 579. [2022-07-21 04:59:44,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 579 states, 426 states have (on average 1.2347417840375587) internal successors, (526), 459 states have internal predecessors, (526), 80 states have call successors, (80), 60 states have call predecessors, (80), 72 states have return successors, (112), 82 states have call predecessors, (112), 80 states have call successors, (112) [2022-07-21 04:59:44,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 718 transitions. [2022-07-21 04:59:44,564 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 718 transitions. Word has length 59 [2022-07-21 04:59:44,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 04:59:44,564 INFO L495 AbstractCegarLoop]: Abstraction has 579 states and 718 transitions. [2022-07-21 04:59:44,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-21 04:59:44,565 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 718 transitions. [2022-07-21 04:59:44,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-07-21 04:59:44,567 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 04:59:44,567 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] [2022-07-21 04:59:44,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-21 04:59:44,567 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 04:59:44,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 04:59:44,568 INFO L85 PathProgramCache]: Analyzing trace with hash 1137079710, now seen corresponding path program 1 times [2022-07-21 04:59:44,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 04:59:44,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963795356] [2022-07-21 04:59:44,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 04:59:44,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 04:59:44,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:59:44,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-21 04:59:44,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:59:44,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-21 04:59:44,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:59:44,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 04:59:44,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:59:44,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 04:59:44,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:59:44,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 04:59:44,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:59:44,674 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-21 04:59:44,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 04:59:44,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963795356] [2022-07-21 04:59:44,674 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963795356] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 04:59:44,674 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 04:59:44,675 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 04:59:44,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630554277] [2022-07-21 04:59:44,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 04:59:44,675 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 04:59:44,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 04:59:44,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 04:59:44,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 04:59:44,676 INFO L87 Difference]: Start difference. First operand 579 states and 718 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 4 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2022-07-21 04:59:45,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 04:59:45,034 INFO L93 Difference]: Finished difference Result 1643 states and 2124 transitions. [2022-07-21 04:59:45,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-21 04:59:45,035 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 4 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 59 [2022-07-21 04:59:45,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 04:59:45,041 INFO L225 Difference]: With dead ends: 1643 [2022-07-21 04:59:45,041 INFO L226 Difference]: Without dead ends: 1071 [2022-07-21 04:59:45,044 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2022-07-21 04:59:45,045 INFO L413 NwaCegarLoop]: 136 mSDtfsCounter, 335 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 277 mSolverCounterSat, 142 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 338 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 142 IncrementalHoareTripleChecker+Valid, 277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-21 04:59:45,048 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [338 Valid, 258 Invalid, 419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [142 Valid, 277 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-21 04:59:45,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1071 states. [2022-07-21 04:59:45,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1071 to 1059. [2022-07-21 04:59:45,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1059 states, 786 states have (on average 1.213740458015267) internal successors, (954), 837 states have internal predecessors, (954), 142 states have call successors, (142), 126 states have call predecessors, (142), 130 states have return successors, (228), 140 states have call predecessors, (228), 142 states have call successors, (228) [2022-07-21 04:59:45,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1059 states to 1059 states and 1324 transitions. [2022-07-21 04:59:45,106 INFO L78 Accepts]: Start accepts. Automaton has 1059 states and 1324 transitions. Word has length 59 [2022-07-21 04:59:45,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 04:59:45,108 INFO L495 AbstractCegarLoop]: Abstraction has 1059 states and 1324 transitions. [2022-07-21 04:59:45,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 4 states have internal predecessors, (46), 4 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2022-07-21 04:59:45,108 INFO L276 IsEmpty]: Start isEmpty. Operand 1059 states and 1324 transitions. [2022-07-21 04:59:45,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-07-21 04:59:45,111 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 04:59:45,111 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, 1, 1, 1] [2022-07-21 04:59:45,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-21 04:59:45,112 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 04:59:45,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 04:59:45,113 INFO L85 PathProgramCache]: Analyzing trace with hash -67517000, now seen corresponding path program 1 times [2022-07-21 04:59:45,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 04:59:45,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19383797] [2022-07-21 04:59:45,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 04:59:45,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 04:59:45,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:59:45,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 04:59:45,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:59:45,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-21 04:59:45,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:59:45,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-21 04:59:45,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:59:45,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 04:59:45,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:59:45,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 04:59:45,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:59:45,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-21 04:59:45,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:59:45,293 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-21 04:59:45,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 04:59:45,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19383797] [2022-07-21 04:59:45,293 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19383797] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 04:59:45,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [55156470] [2022-07-21 04:59:45,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 04:59:45,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 04:59:45,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 04:59:45,299 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) [2022-07-21 04:59:45,325 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-21 04:59:45,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:59:45,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-21 04:59:45,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 04:59:45,609 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 04:59:45,610 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 04:59:45,610 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [55156470] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 04:59:45,610 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 04:59:45,610 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [14] total 20 [2022-07-21 04:59:45,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501711192] [2022-07-21 04:59:45,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 04:59:45,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-21 04:59:45,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 04:59:45,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-21 04:59:45,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2022-07-21 04:59:45,612 INFO L87 Difference]: Start difference. First operand 1059 states and 1324 transitions. Second operand has 8 states, 8 states have (on average 6.25) internal successors, (50), 6 states have internal predecessors, (50), 3 states have call successors, (7), 3 states have call predecessors, (7), 5 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2022-07-21 04:59:45,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 04:59:45,844 INFO L93 Difference]: Finished difference Result 2069 states and 2599 transitions. [2022-07-21 04:59:45,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-21 04:59:45,844 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 6 states have internal predecessors, (50), 3 states have call successors, (7), 3 states have call predecessors, (7), 5 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) Word has length 63 [2022-07-21 04:59:45,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 04:59:45,851 INFO L225 Difference]: With dead ends: 2069 [2022-07-21 04:59:45,851 INFO L226 Difference]: Without dead ends: 1017 [2022-07-21 04:59:45,856 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 65 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2022-07-21 04:59:45,859 INFO L413 NwaCegarLoop]: 193 mSDtfsCounter, 71 mSDsluCounter, 421 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 614 SdHoareTripleChecker+Invalid, 172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-21 04:59:45,860 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 614 Invalid, 172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-21 04:59:45,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1017 states. [2022-07-21 04:59:45,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1017 to 1013. [2022-07-21 04:59:45,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1013 states, 750 states have (on average 1.2) internal successors, (900), 799 states have internal predecessors, (900), 138 states have call successors, (138), 122 states have call predecessors, (138), 124 states have return successors, (200), 134 states have call predecessors, (200), 138 states have call successors, (200) [2022-07-21 04:59:45,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1013 states to 1013 states and 1238 transitions. [2022-07-21 04:59:45,917 INFO L78 Accepts]: Start accepts. Automaton has 1013 states and 1238 transitions. Word has length 63 [2022-07-21 04:59:45,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 04:59:45,918 INFO L495 AbstractCegarLoop]: Abstraction has 1013 states and 1238 transitions. [2022-07-21 04:59:45,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 6 states have internal predecessors, (50), 3 states have call successors, (7), 3 states have call predecessors, (7), 5 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2022-07-21 04:59:45,918 INFO L276 IsEmpty]: Start isEmpty. Operand 1013 states and 1238 transitions. [2022-07-21 04:59:45,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-07-21 04:59:45,922 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 04:59:45,923 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 04:59:45,949 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-07-21 04:59:46,143 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 [2022-07-21 04:59:46,144 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 04:59:46,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 04:59:46,144 INFO L85 PathProgramCache]: Analyzing trace with hash -1120995157, now seen corresponding path program 1 times [2022-07-21 04:59:46,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 04:59:46,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662057523] [2022-07-21 04:59:46,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 04:59:46,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 04:59:46,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:59:46,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 04:59:46,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:59:46,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-21 04:59:46,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:59:46,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 04:59:46,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:59:46,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 04:59:46,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:59:46,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 04:59:46,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:59:46,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-21 04:59:46,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:59:46,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-07-21 04:59:46,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:59:46,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-07-21 04:59:46,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:59:46,243 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-07-21 04:59:46,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 04:59:46,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662057523] [2022-07-21 04:59:46,243 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662057523] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 04:59:46,243 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 04:59:46,243 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-21 04:59:46,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653876329] [2022-07-21 04:59:46,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 04:59:46,244 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-21 04:59:46,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 04:59:46,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-21 04:59:46,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-07-21 04:59:46,245 INFO L87 Difference]: Start difference. First operand 1013 states and 1238 transitions. Second operand has 8 states, 8 states have (on average 8.625) internal successors, (69), 4 states have internal predecessors, (69), 4 states have call successors, (9), 6 states have call predecessors, (9), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2022-07-21 04:59:46,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 04:59:46,601 INFO L93 Difference]: Finished difference Result 1838 states and 2253 transitions. [2022-07-21 04:59:46,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-21 04:59:46,601 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 4 states have internal predecessors, (69), 4 states have call successors, (9), 6 states have call predecessors, (9), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) Word has length 90 [2022-07-21 04:59:46,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 04:59:46,606 INFO L225 Difference]: With dead ends: 1838 [2022-07-21 04:59:46,606 INFO L226 Difference]: Without dead ends: 832 [2022-07-21 04:59:46,609 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2022-07-21 04:59:46,610 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 406 mSDsluCounter, 149 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 191 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 416 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 191 IncrementalHoareTripleChecker+Valid, 269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-21 04:59:46,611 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [416 Valid, 273 Invalid, 460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [191 Valid, 269 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-21 04:59:46,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 832 states. [2022-07-21 04:59:46,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 800. [2022-07-21 04:59:46,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 800 states, 594 states have (on average 1.1835016835016836) internal successors, (703), 640 states have internal predecessors, (703), 109 states have call successors, (109), 86 states have call predecessors, (109), 96 states have return successors, (158), 107 states have call predecessors, (158), 109 states have call successors, (158) [2022-07-21 04:59:46,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 800 states and 970 transitions. [2022-07-21 04:59:46,652 INFO L78 Accepts]: Start accepts. Automaton has 800 states and 970 transitions. Word has length 90 [2022-07-21 04:59:46,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 04:59:46,653 INFO L495 AbstractCegarLoop]: Abstraction has 800 states and 970 transitions. [2022-07-21 04:59:46,653 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 4 states have internal predecessors, (69), 4 states have call successors, (9), 6 states have call predecessors, (9), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2022-07-21 04:59:46,653 INFO L276 IsEmpty]: Start isEmpty. Operand 800 states and 970 transitions. [2022-07-21 04:59:46,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-07-21 04:59:46,659 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 04:59:46,659 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 04:59:46,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-21 04:59:46,660 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 04:59:46,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 04:59:46,661 INFO L85 PathProgramCache]: Analyzing trace with hash -849910869, now seen corresponding path program 1 times [2022-07-21 04:59:46,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 04:59:46,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549681518] [2022-07-21 04:59:46,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 04:59:46,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 04:59:46,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:59:46,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-21 04:59:46,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:59:46,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-21 04:59:46,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:59:46,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 04:59:46,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:59:46,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 04:59:46,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:59:46,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 04:59:46,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:59:46,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-21 04:59:46,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:59:46,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-21 04:59:46,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:59:46,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-21 04:59:46,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:59:46,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 04:59:46,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:59:46,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2022-07-21 04:59:46,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:59:46,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 04:59:46,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:59:46,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2022-07-21 04:59:46,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:59:46,859 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 16 proven. 5 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-07-21 04:59:46,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 04:59:46,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549681518] [2022-07-21 04:59:46,859 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549681518] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 04:59:46,860 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1306516360] [2022-07-21 04:59:46,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 04:59:46,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 04:59:46,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 04:59:46,864 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) [2022-07-21 04:59:46,888 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-21 04:59:46,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 04:59:46,957 INFO L263 TraceCheckSpWp]: Trace formula consists of 487 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-21 04:59:46,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 04:59:47,078 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-07-21 04:59:47,078 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 04:59:47,079 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1306516360] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 04:59:47,079 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 04:59:47,079 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [14] total 19 [2022-07-21 04:59:47,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261392651] [2022-07-21 04:59:47,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 04:59:47,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-21 04:59:47,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 04:59:47,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-21 04:59:47,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2022-07-21 04:59:47,081 INFO L87 Difference]: Start difference. First operand 800 states and 970 transitions. Second operand has 8 states, 8 states have (on average 9.625) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (13), 3 states have call predecessors, (13), 5 states have return successors, (12), 5 states have call predecessors, (12), 3 states have call successors, (12) [2022-07-21 04:59:47,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 04:59:47,211 INFO L93 Difference]: Finished difference Result 1386 states and 1704 transitions. [2022-07-21 04:59:47,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-21 04:59:47,212 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (13), 3 states have call predecessors, (13), 5 states have return successors, (12), 5 states have call predecessors, (12), 3 states have call successors, (12) Word has length 108 [2022-07-21 04:59:47,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 04:59:47,213 INFO L225 Difference]: With dead ends: 1386 [2022-07-21 04:59:47,213 INFO L226 Difference]: Without dead ends: 0 [2022-07-21 04:59:47,216 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=360, Unknown=0, NotChecked=0, Total=420 [2022-07-21 04:59:47,217 INFO L413 NwaCegarLoop]: 192 mSDtfsCounter, 76 mSDsluCounter, 862 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 1054 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-21 04:59:47,217 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 1054 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-21 04:59:47,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-21 04:59:47,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-21 04:59:47,218 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) [2022-07-21 04:59:47,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-21 04:59:47,219 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 108 [2022-07-21 04:59:47,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 04:59:47,219 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-21 04:59:47,219 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (13), 3 states have call predecessors, (13), 5 states have return successors, (12), 5 states have call predecessors, (12), 3 states have call successors, (12) [2022-07-21 04:59:47,220 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-21 04:59:47,220 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-21 04:59:47,222 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-21 04:59:47,250 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-21 04:59:47,441 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,SelfDestructingSolverStorable10 [2022-07-21 04:59:47,443 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-21 04:59:50,838 INFO L895 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 762 769) the Hoare annotation is: (let ((.cse1 (not (= 1 ~systemActive~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (<= 2 ~waterLevel~0))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse4) (or .cse0 .cse3 .cse2 .cse5))) [2022-07-21 04:59:50,839 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 762 769) no Hoare annotation was computed. [2022-07-21 04:59:50,839 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 762 769) no Hoare annotation was computed. [2022-07-21 04:59:50,839 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 678 684) no Hoare annotation was computed. [2022-07-21 04:59:50,839 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 678 684) the Hoare annotation is: true [2022-07-21 04:59:50,839 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 83 94) the Hoare annotation is: (let ((.cse0 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse4 (not (= 0 ~systemActive~0))) (.cse3 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse5 (not (<= 1 |old(~methaneLevelCritical~0)|)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse2 .cse4) (or .cse3 .cse2 .cse5 .cse4) (or .cse3 .cse1 .cse2 .cse5))) [2022-07-21 04:59:50,839 INFO L899 garLoopResultBuilder]: For program point L87-1(lines 83 94) no Hoare annotation was computed. [2022-07-21 04:59:50,839 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 83 94) no Hoare annotation was computed. [2022-07-21 04:59:50,839 INFO L895 garLoopResultBuilder]: At program point L874(lines 869 876) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= 0 ~systemActive~0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1) (or .cse2 .cse3 .cse4) (or .cse2 .cse1 .cse4) (or .cse0 .cse3))) [2022-07-21 04:59:50,839 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 654 677) no Hoare annotation was computed. [2022-07-21 04:59:50,839 INFO L895 garLoopResultBuilder]: At program point L726(line 726) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= 0 ~systemActive~0))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or .cse0 .cse2) (or .cse3 .cse1 .cse4) (or .cse3 .cse2 .cse4) (or .cse3 .cse0 .cse1))) [2022-07-21 04:59:50,839 INFO L895 garLoopResultBuilder]: At program point L627(line 627) the Hoare annotation is: (let ((.cse7 (= ~pumpRunning~0 0)) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse1 (and .cse7 .cse6)) (.cse3 (not (= 0 ~systemActive~0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (= 1 ~systemActive~0))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse0 .cse5 .cse2 .cse6) (or .cse7 .cse5 .cse2) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse7 .cse5 (<= 2 ~waterLevel~0) .cse4) (or .cse0 .cse5 .cse4 .cse6)))) [2022-07-21 04:59:50,840 INFO L895 garLoopResultBuilder]: At program point L722(line 722) the Hoare annotation is: (let ((.cse4 (not (= 0 ~systemActive~0))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse2 .cse4) (or .cse3 .cse5 .cse4) (or .cse3 .cse1 .cse5) (or .cse3 .cse1 .cse2) (or .cse1 .cse5 (and .cse0 (<= 1 |timeShift_processEnvironment_~tmp~6#1|))))) [2022-07-21 04:59:50,840 INFO L899 garLoopResultBuilder]: For program point L627-1(line 627) no Hoare annotation was computed. [2022-07-21 04:59:50,840 INFO L895 garLoopResultBuilder]: At program point L718(line 718) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (not (= 0 ~systemActive~0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse3) (or .cse4 .cse2 .cse5) (or .cse4 .cse3 .cse5) (or .cse4 .cse1 .cse3) (or .cse4 .cse1 .cse2))) [2022-07-21 04:59:50,840 INFO L899 garLoopResultBuilder]: For program point L718-1(line 718) no Hoare annotation was computed. [2022-07-21 04:59:50,840 INFO L895 garLoopResultBuilder]: At program point L731(line 731) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (= 0 ~systemActive~0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse4) (or .cse3 .cse5 .cse4) (or .cse0 .cse5 .cse2))) [2022-07-21 04:59:50,841 INFO L895 garLoopResultBuilder]: At program point L731-1(lines 712 736) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (= 0 ~systemActive~0))) (.cse4 (= ~pumpRunning~0 0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2) (or .cse0 .cse5 .cse6) (or .cse0 .cse2 .cse6) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse4 .cse1 (<= 2 ~waterLevel~0) .cse5) (or .cse0 .cse1 .cse5 .cse3))) [2022-07-21 04:59:50,841 INFO L899 garLoopResultBuilder]: For program point L665-1(lines 665 671) no Hoare annotation was computed. [2022-07-21 04:59:50,841 INFO L899 garLoopResultBuilder]: For program point L63(lines 63 67) no Hoare annotation was computed. [2022-07-21 04:59:50,841 INFO L895 garLoopResultBuilder]: At program point L63-2(lines 59 70) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse5 (not (= 0 ~systemActive~0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse3) (or .cse4 .cse2 .cse5) (or .cse4 .cse3 .cse5) (or .cse4 .cse1 .cse3) (or .cse4 .cse1 .cse2))) [2022-07-21 04:59:50,841 INFO L899 garLoopResultBuilder]: For program point L633(lines 633 639) no Hoare annotation was computed. [2022-07-21 04:59:50,841 INFO L899 garLoopResultBuilder]: For program point L629(lines 629 642) no Hoare annotation was computed. [2022-07-21 04:59:50,842 INFO L895 garLoopResultBuilder]: At program point L629-1(lines 621 645) the Hoare annotation is: (let ((.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= 0 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse7 (= |timeShift___utac_acc__Specification1_spec__1_~tmp~4#1| 0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (= 1 ~systemActive~0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 (and .cse1 .cse2) .cse3 .cse4) (or .cse0 .cse5 .cse3 .cse2) (or .cse1 .cse5 .cse3) (or .cse0 .cse6 (and .cse1 .cse7 .cse2) .cse4) (or .cse5 .cse6 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse7) (and .cse1 .cse7) (and (<= 2 ~waterLevel~0) .cse7)) (or .cse0 .cse5 .cse6 .cse2))) [2022-07-21 04:59:50,842 INFO L895 garLoopResultBuilder]: At program point L786(lines 781 789) the Hoare annotation is: (let ((.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= |timeShift_isPumpRunning_#res#1| 0)) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (not (= 0 ~systemActive~0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 (and .cse4 .cse5 .cse3) .cse6) (or .cse1 (and .cse4 .cse5) .cse2) (or .cse0 .cse7 .cse6) (or .cse1 .cse7))) [2022-07-21 04:59:50,842 INFO L899 garLoopResultBuilder]: For program point L658-1(lines 657 676) no Hoare annotation was computed. [2022-07-21 04:59:50,842 INFO L899 garLoopResultBuilder]: For program point L720(lines 720 728) no Hoare annotation was computed. [2022-07-21 04:59:50,842 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 654 677) the Hoare annotation is: (let ((.cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and (= ~pumpRunning~0 0) .cse7)) (.cse3 (not (= 0 ~systemActive~0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= 1 ~systemActive~0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse7))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse5 .cse4 .cse6) (or .cse5 .cse2 .cse6)))) [2022-07-21 04:59:50,842 INFO L899 garLoopResultBuilder]: For program point L716(lines 716 733) no Hoare annotation was computed. [2022-07-21 04:59:50,843 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 654 677) no Hoare annotation was computed. [2022-07-21 04:59:50,843 INFO L899 garLoopResultBuilder]: For program point L873(line 873) no Hoare annotation was computed. [2022-07-21 04:59:50,843 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 873) no Hoare annotation was computed. [2022-07-21 04:59:50,843 INFO L902 garLoopResultBuilder]: At program point L163-2(lines 163 177) the Hoare annotation is: true [2022-07-21 04:59:50,843 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 153 182) no Hoare annotation was computed. [2022-07-21 04:59:50,843 INFO L902 garLoopResultBuilder]: At program point L159(line 159) the Hoare annotation is: true [2022-07-21 04:59:50,844 INFO L899 garLoopResultBuilder]: For program point L159-1(line 159) no Hoare annotation was computed. [2022-07-21 04:59:50,844 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 153 182) the Hoare annotation is: true [2022-07-21 04:59:50,844 INFO L902 garLoopResultBuilder]: At program point L178(lines 153 182) the Hoare annotation is: true [2022-07-21 04:59:50,844 INFO L899 garLoopResultBuilder]: For program point L174(line 174) no Hoare annotation was computed. [2022-07-21 04:59:50,844 INFO L899 garLoopResultBuilder]: For program point L167(lines 167 171) no Hoare annotation was computed. [2022-07-21 04:59:50,844 INFO L902 garLoopResultBuilder]: At program point L167-1(lines 167 171) the Hoare annotation is: true [2022-07-21 04:59:50,844 INFO L899 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2022-07-21 04:59:50,845 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 95 103) the Hoare annotation is: true [2022-07-21 04:59:50,845 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 95 103) no Hoare annotation was computed. [2022-07-21 04:59:50,845 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 95 103) no Hoare annotation was computed. [2022-07-21 04:59:50,845 INFO L899 garLoopResultBuilder]: For program point L898-1(lines 898 904) no Hoare annotation was computed. [2022-07-21 04:59:50,845 INFO L895 garLoopResultBuilder]: At program point L865(lines 860 867) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (<= 1 ~methaneLevelCritical~0) .cse0 .cse1) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1))) [2022-07-21 04:59:50,845 INFO L899 garLoopResultBuilder]: For program point L890(lines 890 894) no Hoare annotation was computed. [2022-07-21 04:59:50,845 INFO L895 garLoopResultBuilder]: At program point L857(lines 845 859) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (= 0 ~systemActive~0))) (or (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse1 .cse2) (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2))) [2022-07-21 04:59:50,846 INFO L895 garLoopResultBuilder]: At program point L977(lines 972 980) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-21 04:59:50,846 INFO L899 garLoopResultBuilder]: For program point L849(lines 849 855) no Hoare annotation was computed. [2022-07-21 04:59:50,846 INFO L899 garLoopResultBuilder]: For program point L849-1(lines 849 855) no Hoare annotation was computed. [2022-07-21 04:59:50,846 INFO L895 garLoopResultBuilder]: At program point L969(lines 965 971) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-21 04:59:50,846 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-21 04:59:50,846 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-21 04:59:50,846 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-21 04:59:50,847 INFO L899 garLoopResultBuilder]: For program point L239(lines 239 246) no Hoare annotation was computed. [2022-07-21 04:59:50,847 INFO L902 garLoopResultBuilder]: At program point L941(lines 878 945) the Hoare annotation is: true [2022-07-21 04:59:50,847 INFO L899 garLoopResultBuilder]: For program point L239-2(lines 239 246) no Hoare annotation was computed. [2022-07-21 04:59:50,847 INFO L899 garLoopResultBuilder]: For program point L908(lines 908 914) no Hoare annotation was computed. [2022-07-21 04:59:50,847 INFO L899 garLoopResultBuilder]: For program point L908-1(lines 908 914) no Hoare annotation was computed. [2022-07-21 04:59:50,847 INFO L895 garLoopResultBuilder]: At program point L900(line 900) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse5 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3) (and .cse4 .cse5 .cse2) (and .cse0 .cse1 .cse5 .cse2))) [2022-07-21 04:59:50,848 INFO L895 garLoopResultBuilder]: At program point L962(lines 958 964) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-21 04:59:50,848 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-21 04:59:50,848 INFO L902 garLoopResultBuilder]: At program point L223(lines 216 225) the Hoare annotation is: true [2022-07-21 04:59:50,848 INFO L902 garLoopResultBuilder]: At program point L248(lines 229 251) the Hoare annotation is: true [2022-07-21 04:59:50,848 INFO L895 garLoopResultBuilder]: At program point L851(line 851) the Hoare annotation is: (let ((.cse3 (= ~methaneLevelCritical~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse0 (<= 1 ~methaneLevelCritical~0)) (.cse4 (<= 2 ~waterLevel~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse2 .cse5) (and .cse3 .cse1 .cse2) (and .cse0 .cse4 .cse2 .cse5))) [2022-07-21 04:59:50,848 INFO L895 garLoopResultBuilder]: At program point L938(lines 887 939) the Hoare annotation is: false [2022-07-21 04:59:50,848 INFO L899 garLoopResultBuilder]: For program point L926(lines 926 932) no Hoare annotation was computed. [2022-07-21 04:59:50,849 INFO L895 garLoopResultBuilder]: At program point L926-2(lines 918 933) the Hoare annotation is: (let ((.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse3 (= 0 ~systemActive~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse4 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse4 .cse2) (and .cse0 .cse5 .cse2 .cse3) (and .cse5 .cse4 .cse2))) [2022-07-21 04:59:50,849 INFO L899 garLoopResultBuilder]: For program point L889(lines 888 937) no Hoare annotation was computed. [2022-07-21 04:59:50,849 INFO L899 garLoopResultBuilder]: For program point L918(lines 918 933) no Hoare annotation was computed. [2022-07-21 04:59:50,849 INFO L895 garLoopResultBuilder]: At program point L212(lines 208 214) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-21 04:59:50,849 INFO L895 garLoopResultBuilder]: At program point L910(line 910) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse5 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3) (and .cse4 .cse5 .cse2) (and .cse0 .cse1 .cse5 .cse2))) [2022-07-21 04:59:50,849 INFO L895 garLoopResultBuilder]: At program point L935(lines 888 937) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse5 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3) (and .cse4 .cse5 .cse2) (and .cse0 .cse1 .cse5 .cse2))) [2022-07-21 04:59:50,850 INFO L899 garLoopResultBuilder]: For program point L898(lines 898 904) no Hoare annotation was computed. [2022-07-21 04:59:50,850 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 71 82) no Hoare annotation was computed. [2022-07-21 04:59:50,850 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 71 82) no Hoare annotation was computed. [2022-07-21 04:59:50,850 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 71 82) the Hoare annotation is: (let ((.cse3 (not (= 0 ~systemActive~0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~pumpRunning~0 0))) (.cse5 (not (= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse2 .cse3) (or .cse5 .cse4 .cse2) (or .cse0 .cse5 .cse1 .cse2))) [2022-07-21 04:59:50,850 INFO L895 garLoopResultBuilder]: At program point L700(line 700) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |processEnvironment__wrappee__methaneQuery_~tmp~5#1| 0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (and .cse1 .cse2) (not (<= 1 ~methaneLevelCritical~0))) (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2) (not (= ~methaneLevelCritical~0 0))))) [2022-07-21 04:59:50,850 INFO L899 garLoopResultBuilder]: For program point L694(lines 694 702) no Hoare annotation was computed. [2022-07-21 04:59:50,851 INFO L899 garLoopResultBuilder]: For program point L690(lines 690 707) no Hoare annotation was computed. [2022-07-21 04:59:50,851 INFO L895 garLoopResultBuilder]: At program point L145(lines 136 149) the Hoare annotation is: (let ((.cse3 (not (= 1 ~systemActive~0))) (.cse1 (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1|)) (.cse2 (= ~pumpRunning~0 0)) (.cse4 (<= 2 ~waterLevel~0))) (and (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (or (and .cse0 .cse1 .cse2) .cse3 (and .cse0 .cse2 .cse4) (not (= ~methaneLevelCritical~0 0)))) (or (not (= |old(~pumpRunning~0)| 0)) .cse3 (and .cse1 .cse2) (not (<= 1 ~methaneLevelCritical~0)) (and .cse2 .cse4)))) [2022-07-21 04:59:50,851 INFO L899 garLoopResultBuilder]: For program point L752(lines 752 758) no Hoare annotation was computed. [2022-07-21 04:59:50,851 INFO L895 garLoopResultBuilder]: At program point L750(line 750) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (<= 2 ~waterLevel~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) (and .cse1 .cse2)) (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2) (not (= ~methaneLevelCritical~0 0))))) [2022-07-21 04:59:50,851 INFO L895 garLoopResultBuilder]: At program point L752-2(lines 745 761) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (<= 2 ~waterLevel~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) (and (= ~pumpRunning~0 0) (<= ~methaneLevelCritical~0 |processEnvironment__wrappee__methaneQuery_activatePump_~tmp~7#1|) .cse1)) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2022-07-21 04:59:50,851 INFO L899 garLoopResultBuilder]: For program point L750-1(line 750) no Hoare annotation was computed. [2022-07-21 04:59:50,852 INFO L895 garLoopResultBuilder]: At program point L841(lines 826 844) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse4 (<= 2 ~waterLevel~0)) (.cse1 (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp___0~1#1| 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_#res#1| 0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (and .cse1 .cse2 .cse3) (not (<= 1 ~methaneLevelCritical~0)) (and .cse2 .cse4)) (let ((.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (or .cse0 (and .cse5 .cse2 .cse4) (and .cse1 .cse5 .cse2 .cse3) (not (= ~methaneLevelCritical~0 0)))))) [2022-07-21 04:59:50,852 INFO L895 garLoopResultBuilder]: At program point L742(lines 737 744) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= 1 ~methaneLevelCritical~0))) (or .cse0 (<= 2 ~waterLevel~0) (not (= ~methaneLevelCritical~0 0))))) [2022-07-21 04:59:50,852 INFO L899 garLoopResultBuilder]: For program point L835(lines 835 839) no Hoare annotation was computed. [2022-07-21 04:59:50,852 INFO L899 garLoopResultBuilder]: For program point L835-2(lines 835 839) no Hoare annotation was computed. [2022-07-21 04:59:50,852 INFO L895 garLoopResultBuilder]: At program point L705(line 705) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or .cse2 .cse0 (not (<= 1 ~methaneLevelCritical~0))) (or .cse2 .cse0 .cse1))) [2022-07-21 04:59:50,852 INFO L899 garLoopResultBuilder]: For program point L705-1(lines 686 710) no Hoare annotation was computed. [2022-07-21 04:59:50,853 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 686 710) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (not (<= 1 ~methaneLevelCritical~0))))) [2022-07-21 04:59:50,853 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 146) no Hoare annotation was computed. [2022-07-21 04:59:50,853 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 686 710) no Hoare annotation was computed. [2022-07-21 04:59:50,853 INFO L902 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 770 780) the Hoare annotation is: true [2022-07-21 04:59:50,853 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 770 780) no Hoare annotation was computed. [2022-07-21 04:59:50,853 INFO L902 garLoopResultBuilder]: At program point L775(line 775) the Hoare annotation is: true [2022-07-21 04:59:50,854 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 770 780) no Hoare annotation was computed. [2022-07-21 04:59:50,854 INFO L899 garLoopResultBuilder]: For program point L775-1(line 775) no Hoare annotation was computed. [2022-07-21 04:59:50,857 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 04:59:50,859 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-21 04:59:50,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 04:59:50 BoogieIcfgContainer [2022-07-21 04:59:50,881 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-21 04:59:50,882 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-21 04:59:50,882 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-21 04:59:50,882 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-21 04:59:50,882 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 04:59:41" (3/4) ... [2022-07-21 04:59:50,885 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-21 04:59:50,890 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-07-21 04:59:50,890 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-07-21 04:59:50,891 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-07-21 04:59:50,891 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-07-21 04:59:50,891 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-07-21 04:59:50,891 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-07-21 04:59:50,891 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-07-21 04:59:50,891 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2022-07-21 04:59:50,892 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2022-07-21 04:59:50,898 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 50 nodes and edges [2022-07-21 04:59:50,901 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-07-21 04:59:50,901 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-21 04:59:50,902 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-21 04:59:50,902 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-21 04:59:50,903 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-21 04:59:50,903 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-21 04:59:50,926 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) && ((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || !(0 == systemActive))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) [2022-07-21 04:59:50,927 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || \old(waterLevel) == waterLevel) && ((pumpRunning == 0 || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || !(0 == systemActive))) && ((((pumpRunning == \old(pumpRunning) || pumpRunning == 0) || !(1 == systemActive)) || 2 <= waterLevel) || !(methaneLevelCritical == 0))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || \old(waterLevel) == waterLevel) [2022-07-21 04:59:50,929 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 <= methaneLevelCritical)) || !(0 == systemActive)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || \old(waterLevel) == waterLevel)) && ((pumpRunning == 0 || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || ((pumpRunning == 0 && tmp == 0) && \old(waterLevel) == waterLevel)) || !(0 == systemActive))) && ((((!(1 == systemActive) || !(methaneLevelCritical == 0)) || (pumpRunning == \old(pumpRunning) && tmp == 0)) || (pumpRunning == 0 && tmp == 0)) || (2 <= waterLevel && tmp == 0))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || \old(waterLevel) == waterLevel) [2022-07-21 04:59:50,929 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || \old(waterLevel) == waterLevel) && (((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel)) || !(0 == systemActive))) && ((!(1 == systemActive) || (pumpRunning == 0 && \result == 0)) || !(1 <= methaneLevelCritical))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && (!(1 == systemActive) || !(methaneLevelCritical == 0)) [2022-07-21 04:59:50,929 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && methaneLevelCritical <= tmp) && 2 <= waterLevel)) && ((!(1 == systemActive) || 2 <= waterLevel) || !(methaneLevelCritical == 0)) [2022-07-21 04:59:50,930 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && ((!(1 == systemActive) || 2 <= waterLevel) || !(methaneLevelCritical == 0)) [2022-07-21 04:59:50,930 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == \old(pumpRunning) && 1 <= \result) && pumpRunning == 0) || !(1 == systemActive)) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel)) || !(methaneLevelCritical == 0)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (1 <= \result && pumpRunning == 0)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) [2022-07-21 04:59:50,930 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || !(1 <= methaneLevelCritical)) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || !(0 == systemActive))) && (!(1 == systemActive) || !(methaneLevelCritical == 0)) [2022-07-21 04:59:50,930 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((tmp___0 == 0 && pumpRunning == 0) && \result == 0)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) && (((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel)) || (((tmp___0 == 0 && pumpRunning == \old(pumpRunning)) && pumpRunning == 0) && \result == 0)) || !(methaneLevelCritical == 0)) [2022-07-21 04:59:50,958 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-21 04:59:50,958 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-21 04:59:50,959 INFO L158 Benchmark]: Toolchain (without parser) took 10144.23ms. Allocated memory was 56.6MB in the beginning and 142.6MB in the end (delta: 86.0MB). Free memory was 39.9MB in the beginning and 75.7MB in the end (delta: -35.8MB). Peak memory consumption was 51.1MB. Max. memory is 16.1GB. [2022-07-21 04:59:50,959 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 46.1MB. Free memory was 27.9MB in the beginning and 27.8MB in the end (delta: 31.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 04:59:50,960 INFO L158 Benchmark]: CACSL2BoogieTranslator took 512.29ms. Allocated memory is still 56.6MB. Free memory was 39.8MB in the beginning and 31.4MB in the end (delta: 8.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-07-21 04:59:50,960 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.66ms. Allocated memory is still 56.6MB. Free memory was 31.4MB in the beginning and 29.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-21 04:59:50,960 INFO L158 Benchmark]: Boogie Preprocessor took 40.13ms. Allocated memory is still 56.6MB. Free memory was 29.0MB in the beginning and 27.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-21 04:59:50,961 INFO L158 Benchmark]: RCFGBuilder took 574.11ms. Allocated memory is still 56.6MB. Free memory was 27.3MB in the beginning and 37.9MB in the end (delta: -10.6MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2022-07-21 04:59:50,961 INFO L158 Benchmark]: TraceAbstraction took 8887.07ms. Allocated memory was 56.6MB in the beginning and 142.6MB in the end (delta: 86.0MB). Free memory was 37.4MB in the beginning and 82.0MB in the end (delta: -44.6MB). Peak memory consumption was 84.3MB. Max. memory is 16.1GB. [2022-07-21 04:59:50,962 INFO L158 Benchmark]: Witness Printer took 77.06ms. Allocated memory is still 142.6MB. Free memory was 82.0MB in the beginning and 75.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-21 04:59:50,965 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 46.1MB. Free memory was 27.9MB in the beginning and 27.8MB in the end (delta: 31.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 512.29ms. Allocated memory is still 56.6MB. Free memory was 39.8MB in the beginning and 31.4MB in the end (delta: 8.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.66ms. Allocated memory is still 56.6MB. Free memory was 31.4MB in the beginning and 29.0MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.13ms. Allocated memory is still 56.6MB. Free memory was 29.0MB in the beginning and 27.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 574.11ms. Allocated memory is still 56.6MB. Free memory was 27.3MB in the beginning and 37.9MB in the end (delta: -10.6MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. * TraceAbstraction took 8887.07ms. Allocated memory was 56.6MB in the beginning and 142.6MB in the end (delta: 86.0MB). Free memory was 37.4MB in the beginning and 82.0MB in the end (delta: -44.6MB). Peak memory consumption was 84.3MB. Max. memory is 16.1GB. * Witness Printer took 77.06ms. Allocated memory is still 142.6MB. Free memory was 82.0MB in the beginning and 75.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. 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: 873]: 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 10 procedures, 101 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.8s, OverallIterations: 11, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1511 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1474 mSDsluCounter, 3880 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2483 mSDsCounter, 509 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1683 IncrementalHoareTripleChecker+Invalid, 2192 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 509 mSolverCounterUnsat, 1397 mSDtfsCounter, 1683 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 364 GetRequests, 267 SyntacticMatches, 2 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1059occurred in iteration=8, InterpolantAutomatonStates: 80, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 119 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 2613 PreInvPairs, 2936 NumberOfFragments, 1733 HoareAnnotationTreeSize, 2613 FomulaSimplifications, 1656 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 46 FomulaSimplificationsInter, 11011 FormulaSimplificationTreeSizeReductionInter, 2.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 753 NumberOfCodeBlocks, 753 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 740 ConstructedInterpolants, 0 QuantifiedInterpolants, 1289 SizeOfPredicates, 6 NumberOfNonLiveVariables, 872 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 123/130 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: 860]: Loop Invariant Derived loop invariant: ((1 <= methaneLevelCritical && 1 == systemActive) && splverifierCounter == 0) || ((methaneLevelCritical == 0 && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 972]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: (((((pumpRunning == \old(pumpRunning) && 1 <= \result) && pumpRunning == 0) || !(1 == systemActive)) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel)) || !(methaneLevelCritical == 0)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (1 <= \result && pumpRunning == 0)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && 1 <= methaneLevelCritical) && splverifierCounter == 0) && 0 == systemActive) || (((pumpRunning == 0 && methaneLevelCritical == 0) && splverifierCounter == 0) && 0 == systemActive)) || ((methaneLevelCritical == 0 && 1 == systemActive) && splverifierCounter == 0)) || (((pumpRunning == 0 && 1 <= methaneLevelCritical) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 781]: Loop Invariant Derived loop invariant: ((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || \old(waterLevel) == waterLevel) && (((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel)) || !(0 == systemActive))) && ((!(1 == systemActive) || (pumpRunning == 0 && \result == 0)) || !(1 <= methaneLevelCritical))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && (!(1 == systemActive) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 737]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && ((!(1 == systemActive) || 2 <= waterLevel) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 621]: Loop Invariant Derived loop invariant: (((((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 <= methaneLevelCritical)) || !(0 == systemActive)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || \old(waterLevel) == waterLevel)) && ((pumpRunning == 0 || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || ((pumpRunning == 0 && tmp == 0) && \old(waterLevel) == waterLevel)) || !(0 == systemActive))) && ((((!(1 == systemActive) || !(methaneLevelCritical == 0)) || (pumpRunning == \old(pumpRunning) && tmp == 0)) || (pumpRunning == 0 && tmp == 0)) || (2 <= waterLevel && tmp == 0))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || \old(waterLevel) == waterLevel) - InvariantResult [Line: 958]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && methaneLevelCritical <= tmp) && 2 <= waterLevel)) && ((!(1 == systemActive) || 2 <= waterLevel) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((tmp___0 == 0 && pumpRunning == 0) && \result == 0)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) && (((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel)) || (((tmp___0 == 0 && pumpRunning == \old(pumpRunning)) && pumpRunning == 0) && \result == 0)) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 153]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 887]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 59]: Loop Invariant Derived loop invariant: ((((((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) && ((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || !(0 == systemActive))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 229]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 845]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && 1 <= methaneLevelCritical) && splverifierCounter == 0) && 0 == systemActive) || (((pumpRunning == 0 && methaneLevelCritical == 0) && splverifierCounter == 0) && 0 == systemActive) - InvariantResult [Line: 965]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 712]: Loop Invariant Derived loop invariant: (((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || \old(waterLevel) == waterLevel) && ((pumpRunning == 0 || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || !(0 == systemActive))) && ((((pumpRunning == \old(pumpRunning) || pumpRunning == 0) || !(1 == systemActive)) || 2 <= waterLevel) || !(methaneLevelCritical == 0))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || \old(waterLevel) == waterLevel) - InvariantResult [Line: 869]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || !(1 <= methaneLevelCritical)) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || !(0 == systemActive))) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || !(0 == systemActive))) && (!(1 == systemActive) || !(methaneLevelCritical == 0)) RESULT: Ultimate proved your program to be correct! [2022-07-21 04:59:51,015 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE