./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product61.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec3_product61.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 53b1b58c0a8af862b137647fd316df606e2053e614741221b62b3a107765e608 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-22 17:38:39,715 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 17:38:39,717 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 17:38:39,757 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 17:38:39,757 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 17:38:39,759 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 17:38:39,761 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 17:38:39,767 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 17:38:39,768 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 17:38:39,771 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 17:38:39,772 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 17:38:39,774 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 17:38:39,774 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 17:38:39,780 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 17:38:39,781 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 17:38:39,782 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 17:38:39,785 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 17:38:39,786 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 17:38:39,788 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 17:38:39,790 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 17:38:39,792 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 17:38:39,793 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 17:38:39,794 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 17:38:39,795 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 17:38:39,796 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 17:38:39,800 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 17:38:39,801 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 17:38:39,802 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 17:38:39,803 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 17:38:39,803 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 17:38:39,804 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 17:38:39,805 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 17:38:39,806 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 17:38:39,807 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 17:38:39,807 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 17:38:39,809 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 17:38:39,809 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 17:38:39,810 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 17:38:39,810 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 17:38:39,810 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 17:38:39,811 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 17:38:39,813 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 17:38:39,814 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-22 17:38:39,845 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 17:38:39,846 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 17:38:39,846 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 17:38:39,846 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 17:38:39,847 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-22 17:38:39,847 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-22 17:38:39,848 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 17:38:39,848 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 17:38:39,848 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 17:38:39,849 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 17:38:39,849 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 17:38:39,849 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 17:38:39,850 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 17:38:39,850 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 17:38:39,850 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-22 17:38:39,850 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-22 17:38:39,850 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-22 17:38:39,850 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 17:38:39,851 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 17:38:39,852 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 17:38:39,852 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-22 17:38:39,852 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 17:38:39,852 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 17:38:39,852 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-22 17:38:39,853 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 17:38:39,853 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 17:38:39,853 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-22 17:38:39,853 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-22 17:38:39,853 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 17:38:39,854 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-22 17:38:39,854 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-22 17:38:39,854 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-22 17:38:39,854 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-22 17:38:39,854 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 53b1b58c0a8af862b137647fd316df606e2053e614741221b62b3a107765e608 [2022-07-22 17:38:40,114 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 17:38:40,133 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 17:38:40,136 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 17:38:40,137 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 17:38:40,139 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 17:38:40,141 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product61.cil.c [2022-07-22 17:38:40,201 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fc5ef1e4/cde647044d104f26a0882219bd223f6f/FLAG6253d9361 [2022-07-22 17:38:40,589 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 17:38:40,590 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product61.cil.c [2022-07-22 17:38:40,601 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fc5ef1e4/cde647044d104f26a0882219bd223f6f/FLAG6253d9361 [2022-07-22 17:38:40,972 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fc5ef1e4/cde647044d104f26a0882219bd223f6f [2022-07-22 17:38:40,974 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 17:38:40,975 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 17:38:40,976 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 17:38:40,976 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 17:38:40,978 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 17:38:40,978 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 05:38:40" (1/1) ... [2022-07-22 17:38:40,979 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6487e393 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:38:40, skipping insertion in model container [2022-07-22 17:38:40,979 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 05:38:40" (1/1) ... [2022-07-22 17:38:40,984 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 17:38:41,036 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 17:38:41,197 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product61.cil.c[7381,7394] [2022-07-22 17:38:41,287 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 17:38:41,298 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 17:38:41,352 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product61.cil.c[7381,7394] [2022-07-22 17:38:41,394 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 17:38:41,409 INFO L208 MainTranslator]: Completed translation [2022-07-22 17:38:41,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:38:41 WrapperNode [2022-07-22 17:38:41,410 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 17:38:41,411 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 17:38:41,411 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 17:38:41,412 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 17:38:41,418 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:38:41" (1/1) ... [2022-07-22 17:38:41,439 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:38:41" (1/1) ... [2022-07-22 17:38:41,477 INFO L137 Inliner]: procedures = 57, calls = 161, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 280 [2022-07-22 17:38:41,477 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 17:38:41,479 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 17:38:41,479 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 17:38:41,480 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 17:38:41,487 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:38:41" (1/1) ... [2022-07-22 17:38:41,487 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:38:41" (1/1) ... [2022-07-22 17:38:41,491 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:38:41" (1/1) ... [2022-07-22 17:38:41,492 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:38:41" (1/1) ... [2022-07-22 17:38:41,497 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:38:41" (1/1) ... [2022-07-22 17:38:41,502 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:38:41" (1/1) ... [2022-07-22 17:38:41,503 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:38:41" (1/1) ... [2022-07-22 17:38:41,506 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 17:38:41,509 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 17:38:41,509 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 17:38:41,509 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 17:38:41,510 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:38:41" (1/1) ... [2022-07-22 17:38:41,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-22 17:38:41,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 17:38:41,546 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) [2022-07-22 17:38:41,548 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 [2022-07-22 17:38:41,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 17:38:41,580 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-07-22 17:38:41,580 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-07-22 17:38:41,580 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-07-22 17:38:41,580 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-07-22 17:38:41,581 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-07-22 17:38:41,581 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-07-22 17:38:41,581 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-07-22 17:38:41,581 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-07-22 17:38:41,581 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-07-22 17:38:41,581 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-07-22 17:38:41,582 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-07-22 17:38:41,582 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-07-22 17:38:41,582 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-07-22 17:38:41,582 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-07-22 17:38:41,582 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-07-22 17:38:41,582 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-07-22 17:38:41,583 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-07-22 17:38:41,585 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-07-22 17:38:41,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 17:38:41,585 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-07-22 17:38:41,585 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-07-22 17:38:41,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 17:38:41,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 17:38:41,682 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 17:38:41,684 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 17:38:41,933 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 17:38:41,944 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 17:38:41,945 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-22 17:38:41,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 05:38:41 BoogieIcfgContainer [2022-07-22 17:38:41,947 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 17:38:41,948 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-22 17:38:41,948 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-22 17:38:41,952 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-22 17:38:41,952 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.07 05:38:40" (1/3) ... [2022-07-22 17:38:41,953 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@451c4efa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 05:38:41, skipping insertion in model container [2022-07-22 17:38:41,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 05:38:41" (2/3) ... [2022-07-22 17:38:41,953 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@451c4efa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.07 05:38:41, skipping insertion in model container [2022-07-22 17:38:41,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 05:38:41" (3/3) ... [2022-07-22 17:38:41,955 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product61.cil.c [2022-07-22 17:38:41,968 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-22 17:38:41,969 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-22 17:38:42,027 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-22 17:38:42,064 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@5fe61e38, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@c6dc41 [2022-07-22 17:38:42,064 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-22 17:38:42,068 INFO L276 IsEmpty]: Start isEmpty. Operand has 110 states, 80 states have (on average 1.375) internal successors, (110), 90 states have internal predecessors, (110), 18 states have call successors, (18), 10 states have call predecessors, (18), 10 states have return successors, (18), 13 states have call predecessors, (18), 18 states have call successors, (18) [2022-07-22 17:38:42,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-07-22 17:38:42,102 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:38:42,103 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, 1, 1] [2022-07-22 17:38:42,103 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:38:42,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:38:42,108 INFO L85 PathProgramCache]: Analyzing trace with hash -1589663850, now seen corresponding path program 1 times [2022-07-22 17:38:42,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:38:42,121 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809650551] [2022-07-22 17:38:42,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:38:42,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:38:42,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:42,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-22 17:38:42,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:42,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 17:38:42,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:38:42,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809650551] [2022-07-22 17:38:42,342 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809650551] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:38:42,342 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:38:42,343 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-22 17:38:42,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759095122] [2022-07-22 17:38:42,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:38:42,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-22 17:38:42,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:38:42,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-22 17:38:42,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-22 17:38:42,376 INFO L87 Difference]: Start difference. First operand has 110 states, 80 states have (on average 1.375) internal successors, (110), 90 states have internal predecessors, (110), 18 states have call successors, (18), 10 states have call predecessors, (18), 10 states have return successors, (18), 13 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 17:38:42,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:38:42,427 INFO L93 Difference]: Finished difference Result 212 states and 287 transitions. [2022-07-22 17:38:42,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-22 17:38:42,429 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-07-22 17:38:42,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:38:42,447 INFO L225 Difference]: With dead ends: 212 [2022-07-22 17:38:42,448 INFO L226 Difference]: Without dead ends: 101 [2022-07-22 17:38:42,454 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 [2022-07-22 17:38:42,460 INFO L413 NwaCegarLoop]: 140 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, 140 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 [2022-07-22 17:38:42,461 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 17:38:42,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2022-07-22 17:38:42,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2022-07-22 17:38:42,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 73 states have (on average 1.3150684931506849) internal successors, (96), 82 states have internal predecessors, (96), 18 states have call successors, (18), 10 states have call predecessors, (18), 9 states have return successors, (17), 12 states have call predecessors, (17), 17 states have call successors, (17) [2022-07-22 17:38:42,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 131 transitions. [2022-07-22 17:38:42,538 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 131 transitions. Word has length 25 [2022-07-22 17:38:42,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:38:42,538 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 131 transitions. [2022-07-22 17:38:42,540 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 17:38:42,540 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 131 transitions. [2022-07-22 17:38:42,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-07-22 17:38:42,548 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:38:42,549 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:38:42,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-22 17:38:42,550 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:38:42,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:38:42,551 INFO L85 PathProgramCache]: Analyzing trace with hash 363264377, now seen corresponding path program 1 times [2022-07-22 17:38:42,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:38:42,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893406561] [2022-07-22 17:38:42,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:38:42,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:38:42,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:42,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-22 17:38:42,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:42,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 17:38:42,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:38:42,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893406561] [2022-07-22 17:38:42,665 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893406561] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:38:42,665 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:38:42,665 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-22 17:38:42,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586702116] [2022-07-22 17:38:42,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:38:42,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-22 17:38:42,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:38:42,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-22 17:38:42,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-22 17:38:42,668 INFO L87 Difference]: Start difference. First operand 101 states and 131 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 17:38:42,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:38:42,684 INFO L93 Difference]: Finished difference Result 168 states and 218 transitions. [2022-07-22 17:38:42,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-22 17:38:42,685 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2022-07-22 17:38:42,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:38:42,686 INFO L225 Difference]: With dead ends: 168 [2022-07-22 17:38:42,686 INFO L226 Difference]: Without dead ends: 92 [2022-07-22 17:38:42,687 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 [2022-07-22 17:38:42,688 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 12 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 220 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 [2022-07-22 17:38:42,689 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 220 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-22 17:38:42,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2022-07-22 17:38:42,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2022-07-22 17:38:42,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 67 states have (on average 1.328358208955224) internal successors, (89), 76 states have internal predecessors, (89), 15 states have call successors, (15), 9 states have call predecessors, (15), 9 states have return successors, (15), 10 states have call predecessors, (15), 15 states have call successors, (15) [2022-07-22 17:38:42,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 119 transitions. [2022-07-22 17:38:42,702 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 119 transitions. Word has length 26 [2022-07-22 17:38:42,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:38:42,703 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 119 transitions. [2022-07-22 17:38:42,703 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-22 17:38:42,704 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 119 transitions. [2022-07-22 17:38:42,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-07-22 17:38:42,706 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:38:42,706 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] [2022-07-22 17:38:42,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-22 17:38:42,706 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:38:42,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:38:42,707 INFO L85 PathProgramCache]: Analyzing trace with hash -1922022974, now seen corresponding path program 1 times [2022-07-22 17:38:42,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:38:42,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601651039] [2022-07-22 17:38:42,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:38:42,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:38:42,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:42,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-22 17:38:42,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:42,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 17:38:42,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:38:42,829 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601651039] [2022-07-22 17:38:42,830 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601651039] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:38:42,831 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:38:42,831 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-22 17:38:42,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927542138] [2022-07-22 17:38:42,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:38:42,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-22 17:38:42,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:38:42,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-22 17:38:42,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-22 17:38:42,834 INFO L87 Difference]: Start difference. First operand 92 states and 119 transitions. Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 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) [2022-07-22 17:38:42,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:38:42,972 INFO L93 Difference]: Finished difference Result 177 states and 232 transitions. [2022-07-22 17:38:42,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-22 17:38:42,973 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 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 30 [2022-07-22 17:38:42,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:38:42,975 INFO L225 Difference]: With dead ends: 177 [2022-07-22 17:38:42,975 INFO L226 Difference]: Without dead ends: 92 [2022-07-22 17:38:42,976 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-22 17:38:42,977 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 219 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 17:38:42,977 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 250 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 17:38:42,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2022-07-22 17:38:42,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2022-07-22 17:38:42,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 67 states have (on average 1.3134328358208955) internal successors, (88), 76 states have internal predecessors, (88), 15 states have call successors, (15), 9 states have call predecessors, (15), 9 states have return successors, (15), 10 states have call predecessors, (15), 15 states have call successors, (15) [2022-07-22 17:38:42,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 118 transitions. [2022-07-22 17:38:42,987 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 118 transitions. Word has length 30 [2022-07-22 17:38:42,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:38:42,988 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 118 transitions. [2022-07-22 17:38:42,988 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 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) [2022-07-22 17:38:42,988 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 118 transitions. [2022-07-22 17:38:42,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-07-22 17:38:42,989 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:38:43,014 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:38:43,014 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-22 17:38:43,014 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:38:43,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:38:43,015 INFO L85 PathProgramCache]: Analyzing trace with hash -1575345012, now seen corresponding path program 1 times [2022-07-22 17:38:43,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:38:43,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913169287] [2022-07-22 17:38:43,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:38:43,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:38:43,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:43,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-22 17:38:43,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:43,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 17:38:43,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:43,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 17:38:43,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:43,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-22 17:38:43,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:43,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 17:38:43,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:38:43,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913169287] [2022-07-22 17:38:43,133 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913169287] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:38:43,133 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:38:43,133 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-22 17:38:43,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112153974] [2022-07-22 17:38:43,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:38:43,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-22 17:38:43,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:38:43,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-22 17:38:43,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-22 17:38:43,136 INFO L87 Difference]: Start difference. First operand 92 states and 118 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 4 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2022-07-22 17:38:43,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:38:43,349 INFO L93 Difference]: Finished difference Result 268 states and 342 transitions. [2022-07-22 17:38:43,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-22 17:38:43,350 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 4 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 45 [2022-07-22 17:38:43,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:38:43,355 INFO L225 Difference]: With dead ends: 268 [2022-07-22 17:38:43,355 INFO L226 Difference]: Without dead ends: 183 [2022-07-22 17:38:43,359 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-07-22 17:38:43,368 INFO L413 NwaCegarLoop]: 154 mSDtfsCounter, 231 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-22 17:38:43,369 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 342 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-22 17:38:43,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2022-07-22 17:38:43,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 177. [2022-07-22 17:38:43,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 131 states have (on average 1.251908396946565) internal successors, (164), 140 states have internal predecessors, (164), 22 states have call successors, (22), 18 states have call predecessors, (22), 23 states have return successors, (29), 24 states have call predecessors, (29), 22 states have call successors, (29) [2022-07-22 17:38:43,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 215 transitions. [2022-07-22 17:38:43,396 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 215 transitions. Word has length 45 [2022-07-22 17:38:43,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:38:43,396 INFO L495 AbstractCegarLoop]: Abstraction has 177 states and 215 transitions. [2022-07-22 17:38:43,396 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 4 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2022-07-22 17:38:43,397 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 215 transitions. [2022-07-22 17:38:43,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-07-22 17:38:43,400 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:38:43,400 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:38:43,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-22 17:38:43,400 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:38:43,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:38:43,401 INFO L85 PathProgramCache]: Analyzing trace with hash -1919204828, now seen corresponding path program 1 times [2022-07-22 17:38:43,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:38:43,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613592370] [2022-07-22 17:38:43,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:38:43,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:38:43,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:43,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-22 17:38:43,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:43,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 17:38:43,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:43,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 17:38:43,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:43,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-22 17:38:43,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:43,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 17:38:43,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:38:43,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613592370] [2022-07-22 17:38:43,492 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613592370] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:38:43,492 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:38:43,492 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-22 17:38:43,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806459102] [2022-07-22 17:38:43,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:38:43,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-22 17:38:43,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:38:43,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-22 17:38:43,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-22 17:38:43,494 INFO L87 Difference]: Start difference. First operand 177 states and 215 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-22 17:38:43,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:38:43,752 INFO L93 Difference]: Finished difference Result 452 states and 570 transitions. [2022-07-22 17:38:43,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-22 17:38:43,752 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 51 [2022-07-22 17:38:43,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:38:43,755 INFO L225 Difference]: With dead ends: 452 [2022-07-22 17:38:43,755 INFO L226 Difference]: Without dead ends: 282 [2022-07-22 17:38:43,756 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-07-22 17:38:43,757 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 158 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 426 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-22 17:38:43,757 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 426 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-22 17:38:43,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2022-07-22 17:38:43,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 274. [2022-07-22 17:38:43,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 203 states have (on average 1.2413793103448276) internal successors, (252), 215 states have internal predecessors, (252), 35 states have call successors, (35), 30 states have call predecessors, (35), 35 states have return successors, (48), 37 states have call predecessors, (48), 35 states have call successors, (48) [2022-07-22 17:38:43,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 335 transitions. [2022-07-22 17:38:43,788 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 335 transitions. Word has length 51 [2022-07-22 17:38:43,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:38:43,789 INFO L495 AbstractCegarLoop]: Abstraction has 274 states and 335 transitions. [2022-07-22 17:38:43,789 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-22 17:38:43,789 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 335 transitions. [2022-07-22 17:38:43,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-07-22 17:38:43,790 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:38:43,791 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:38:43,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-22 17:38:43,791 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:38:43,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:38:43,792 INFO L85 PathProgramCache]: Analyzing trace with hash -1745115842, now seen corresponding path program 1 times [2022-07-22 17:38:43,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:38:43,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126233573] [2022-07-22 17:38:43,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:38:43,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:38:43,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:43,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-22 17:38:43,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:43,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-22 17:38:43,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:43,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 17:38:43,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:43,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 17:38:43,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:43,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-22 17:38:43,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:43,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 17:38:43,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:38:43,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126233573] [2022-07-22 17:38:43,887 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126233573] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:38:43,887 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:38:43,888 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-22 17:38:43,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427603072] [2022-07-22 17:38:43,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:38:43,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-22 17:38:43,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:38:43,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-22 17:38:43,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-07-22 17:38:43,890 INFO L87 Difference]: Start difference. First operand 274 states and 335 transitions. Second operand has 8 states, 8 states have (on average 5.5) internal successors, (44), 6 states have internal predecessors, (44), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-07-22 17:38:44,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:38:44,464 INFO L93 Difference]: Finished difference Result 674 states and 862 transitions. [2022-07-22 17:38:44,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-07-22 17:38:44,465 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 6 states have internal predecessors, (44), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 55 [2022-07-22 17:38:44,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:38:44,468 INFO L225 Difference]: With dead ends: 674 [2022-07-22 17:38:44,469 INFO L226 Difference]: Without dead ends: 504 [2022-07-22 17:38:44,470 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=141, Invalid=365, Unknown=0, NotChecked=0, Total=506 [2022-07-22 17:38:44,470 INFO L413 NwaCegarLoop]: 115 mSDtfsCounter, 459 mSDsluCounter, 263 mSDsCounter, 0 mSdLazyCounter, 425 mSolverCounterSat, 203 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 464 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 203 IncrementalHoareTripleChecker+Valid, 425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-22 17:38:44,471 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [464 Valid, 378 Invalid, 628 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [203 Valid, 425 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-22 17:38:44,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2022-07-22 17:38:44,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 458. [2022-07-22 17:38:44,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 458 states, 337 states have (on average 1.2195845697329377) internal successors, (411), 359 states have internal predecessors, (411), 60 states have call successors, (60), 46 states have call predecessors, (60), 60 states have return successors, (95), 64 states have call predecessors, (95), 60 states have call successors, (95) [2022-07-22 17:38:44,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 566 transitions. [2022-07-22 17:38:44,506 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 566 transitions. Word has length 55 [2022-07-22 17:38:44,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:38:44,507 INFO L495 AbstractCegarLoop]: Abstraction has 458 states and 566 transitions. [2022-07-22 17:38:44,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 6 states have internal predecessors, (44), 3 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-07-22 17:38:44,507 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 566 transitions. [2022-07-22 17:38:44,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-07-22 17:38:44,508 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:38:44,508 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:38:44,509 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-22 17:38:44,509 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:38:44,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:38:44,509 INFO L85 PathProgramCache]: Analyzing trace with hash -1683076228, now seen corresponding path program 1 times [2022-07-22 17:38:44,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:38:44,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101053303] [2022-07-22 17:38:44,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:38:44,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:38:44,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:44,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-22 17:38:44,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:44,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-22 17:38:44,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:44,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 17:38:44,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:44,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 17:38:44,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:44,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-22 17:38:44,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:44,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 17:38:44,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:38:44,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101053303] [2022-07-22 17:38:44,572 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101053303] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:38:44,572 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:38:44,572 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-22 17:38:44,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93616053] [2022-07-22 17:38:44,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:38:44,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-22 17:38:44,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:38:44,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-22 17:38:44,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-22 17:38:44,579 INFO L87 Difference]: Start difference. First operand 458 states and 566 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 4 states have internal predecessors, (44), 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) [2022-07-22 17:38:44,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:38:44,846 INFO L93 Difference]: Finished difference Result 850 states and 1060 transitions. [2022-07-22 17:38:44,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-22 17:38:44,847 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 4 states have internal predecessors, (44), 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 55 [2022-07-22 17:38:44,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:38:44,849 INFO L225 Difference]: With dead ends: 850 [2022-07-22 17:38:44,849 INFO L226 Difference]: Without dead ends: 492 [2022-07-22 17:38:44,851 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2022-07-22 17:38:44,851 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 184 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-22 17:38:44,852 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 343 Invalid, 346 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-22 17:38:44,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2022-07-22 17:38:44,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 458. [2022-07-22 17:38:44,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 458 states, 337 states have (on average 1.2166172106824926) internal successors, (410), 359 states have internal predecessors, (410), 60 states have call successors, (60), 46 states have call predecessors, (60), 60 states have return successors, (95), 64 states have call predecessors, (95), 60 states have call successors, (95) [2022-07-22 17:38:44,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 565 transitions. [2022-07-22 17:38:44,882 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 565 transitions. Word has length 55 [2022-07-22 17:38:44,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:38:44,882 INFO L495 AbstractCegarLoop]: Abstraction has 458 states and 565 transitions. [2022-07-22 17:38:44,882 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 4 states have internal predecessors, (44), 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) [2022-07-22 17:38:44,883 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 565 transitions. [2022-07-22 17:38:44,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-07-22 17:38:44,883 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:38:44,884 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:38:44,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-22 17:38:44,884 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:38:44,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:38:44,885 INFO L85 PathProgramCache]: Analyzing trace with hash -1817089734, now seen corresponding path program 1 times [2022-07-22 17:38:44,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:38:44,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525615028] [2022-07-22 17:38:44,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:38:44,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:38:44,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:44,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-22 17:38:44,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:44,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-22 17:38:44,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:44,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 17:38:44,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:44,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 17:38:44,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:44,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-22 17:38:44,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:44,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 17:38:44,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:38:44,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525615028] [2022-07-22 17:38:44,959 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525615028] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:38:44,959 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:38:44,959 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-22 17:38:44,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623366868] [2022-07-22 17:38:44,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:38:44,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-22 17:38:44,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:38:44,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-22 17:38:44,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-22 17:38:44,961 INFO L87 Difference]: Start difference. First operand 458 states and 565 transitions. Second operand has 9 states, 9 states have (on average 4.888888888888889) internal successors, (44), 7 states have internal predecessors, (44), 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) [2022-07-22 17:38:45,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:38:45,349 INFO L93 Difference]: Finished difference Result 938 states and 1173 transitions. [2022-07-22 17:38:45,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-22 17:38:45,350 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.888888888888889) internal successors, (44), 7 states have internal predecessors, (44), 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 55 [2022-07-22 17:38:45,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:38:45,354 INFO L225 Difference]: With dead ends: 938 [2022-07-22 17:38:45,354 INFO L226 Difference]: Without dead ends: 487 [2022-07-22 17:38:45,355 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2022-07-22 17:38:45,356 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 219 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 471 SdHoareTripleChecker+Invalid, 595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-22 17:38:45,356 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 471 Invalid, 595 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-22 17:38:45,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2022-07-22 17:38:45,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 461. [2022-07-22 17:38:45,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 461 states, 342 states have (on average 1.2105263157894737) internal successors, (414), 363 states have internal predecessors, (414), 59 states have call successors, (59), 45 states have call predecessors, (59), 59 states have return successors, (94), 63 states have call predecessors, (94), 59 states have call successors, (94) [2022-07-22 17:38:45,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 567 transitions. [2022-07-22 17:38:45,385 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 567 transitions. Word has length 55 [2022-07-22 17:38:45,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:38:45,386 INFO L495 AbstractCegarLoop]: Abstraction has 461 states and 567 transitions. [2022-07-22 17:38:45,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.888888888888889) internal successors, (44), 7 states have internal predecessors, (44), 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) [2022-07-22 17:38:45,387 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 567 transitions. [2022-07-22 17:38:45,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-07-22 17:38:45,388 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:38:45,388 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, 1] [2022-07-22 17:38:45,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-22 17:38:45,389 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:38:45,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:38:45,389 INFO L85 PathProgramCache]: Analyzing trace with hash 1139830327, now seen corresponding path program 1 times [2022-07-22 17:38:45,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:38:45,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732752443] [2022-07-22 17:38:45,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:38:45,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:38:45,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:45,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-22 17:38:45,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:45,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-22 17:38:45,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:45,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 17:38:45,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:45,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 17:38:45,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:45,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:38:45,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:45,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-22 17:38:45,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:45,547 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-22 17:38:45,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:38:45,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732752443] [2022-07-22 17:38:45,548 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732752443] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:38:45,548 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:38:45,548 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-22 17:38:45,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597970418] [2022-07-22 17:38:45,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:38:45,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-22 17:38:45,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:38:45,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-22 17:38:45,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2022-07-22 17:38:45,550 INFO L87 Difference]: Start difference. First operand 461 states and 567 transitions. Second operand has 12 states, 12 states have (on average 4.083333333333333) internal successors, (49), 7 states have internal predecessors, (49), 2 states have call successors, (7), 3 states have call predecessors, (7), 4 states have return successors, (6), 5 states have call predecessors, (6), 2 states have call successors, (6) [2022-07-22 17:38:46,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:38:46,471 INFO L93 Difference]: Finished difference Result 1353 states and 1732 transitions. [2022-07-22 17:38:46,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-07-22 17:38:46,472 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.083333333333333) internal successors, (49), 7 states have internal predecessors, (49), 2 states have call successors, (7), 3 states have call predecessors, (7), 4 states have return successors, (6), 5 states have call predecessors, (6), 2 states have call successors, (6) Word has length 64 [2022-07-22 17:38:46,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:38:46,478 INFO L225 Difference]: With dead ends: 1353 [2022-07-22 17:38:46,478 INFO L226 Difference]: Without dead ends: 899 [2022-07-22 17:38:46,480 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 261 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=243, Invalid=1017, Unknown=0, NotChecked=0, Total=1260 [2022-07-22 17:38:46,482 INFO L413 NwaCegarLoop]: 194 mSDtfsCounter, 243 mSDsluCounter, 793 mSDsCounter, 0 mSdLazyCounter, 1299 mSolverCounterSat, 145 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 987 SdHoareTripleChecker+Invalid, 1444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 145 IncrementalHoareTripleChecker+Valid, 1299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-22 17:38:46,482 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 987 Invalid, 1444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [145 Valid, 1299 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-22 17:38:46,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 899 states. [2022-07-22 17:38:46,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 899 to 862. [2022-07-22 17:38:46,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 862 states, 629 states have (on average 1.1828298887122417) internal successors, (744), 667 states have internal predecessors, (744), 117 states have call successors, (117), 90 states have call predecessors, (117), 115 states have return successors, (205), 123 states have call predecessors, (205), 117 states have call successors, (205) [2022-07-22 17:38:46,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 862 states and 1066 transitions. [2022-07-22 17:38:46,541 INFO L78 Accepts]: Start accepts. Automaton has 862 states and 1066 transitions. Word has length 64 [2022-07-22 17:38:46,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:38:46,542 INFO L495 AbstractCegarLoop]: Abstraction has 862 states and 1066 transitions. [2022-07-22 17:38:46,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.083333333333333) internal successors, (49), 7 states have internal predecessors, (49), 2 states have call successors, (7), 3 states have call predecessors, (7), 4 states have return successors, (6), 5 states have call predecessors, (6), 2 states have call successors, (6) [2022-07-22 17:38:46,542 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 1066 transitions. [2022-07-22 17:38:46,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-07-22 17:38:46,544 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:38:46,544 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, 1, 1] [2022-07-22 17:38:46,545 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-22 17:38:46,545 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:38:46,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:38:46,545 INFO L85 PathProgramCache]: Analyzing trace with hash 890398829, now seen corresponding path program 1 times [2022-07-22 17:38:46,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:38:46,546 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349875368] [2022-07-22 17:38:46,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:38:46,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:38:46,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:46,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-22 17:38:46,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:46,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-07-22 17:38:46,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:46,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 17:38:46,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:46,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 17:38:46,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:46,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:38:46,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:46,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-22 17:38:46,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:46,666 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-22 17:38:46,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:38:46,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349875368] [2022-07-22 17:38:46,667 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349875368] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 17:38:46,667 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 17:38:46,667 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-22 17:38:46,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428366854] [2022-07-22 17:38:46,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 17:38:46,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-22 17:38:46,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:38:46,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-22 17:38:46,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-07-22 17:38:46,669 INFO L87 Difference]: Start difference. First operand 862 states and 1066 transitions. Second operand has 10 states, 10 states have (on average 5.0) internal successors, (50), 8 states have internal predecessors, (50), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2022-07-22 17:38:47,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:38:47,162 INFO L93 Difference]: Finished difference Result 1726 states and 2134 transitions. [2022-07-22 17:38:47,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-22 17:38:47,163 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.0) internal successors, (50), 8 states have internal predecessors, (50), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 65 [2022-07-22 17:38:47,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:38:47,167 INFO L225 Difference]: With dead ends: 1726 [2022-07-22 17:38:47,167 INFO L226 Difference]: Without dead ends: 871 [2022-07-22 17:38:47,172 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=84, Invalid=296, Unknown=0, NotChecked=0, Total=380 [2022-07-22 17:38:47,173 INFO L413 NwaCegarLoop]: 170 mSDtfsCounter, 331 mSDsluCounter, 483 mSDsCounter, 0 mSdLazyCounter, 647 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 332 SdHoareTripleChecker+Valid, 653 SdHoareTripleChecker+Invalid, 784 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 647 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-22 17:38:47,174 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [332 Valid, 653 Invalid, 784 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 647 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-22 17:38:47,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 871 states. [2022-07-22 17:38:47,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 871 to 862. [2022-07-22 17:38:47,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 862 states, 629 states have (on average 1.1701112877583466) internal successors, (736), 667 states have internal predecessors, (736), 117 states have call successors, (117), 90 states have call predecessors, (117), 115 states have return successors, (186), 123 states have call predecessors, (186), 117 states have call successors, (186) [2022-07-22 17:38:47,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 862 states and 1039 transitions. [2022-07-22 17:38:47,227 INFO L78 Accepts]: Start accepts. Automaton has 862 states and 1039 transitions. Word has length 65 [2022-07-22 17:38:47,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:38:47,228 INFO L495 AbstractCegarLoop]: Abstraction has 862 states and 1039 transitions. [2022-07-22 17:38:47,228 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.0) internal successors, (50), 8 states have internal predecessors, (50), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2022-07-22 17:38:47,228 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 1039 transitions. [2022-07-22 17:38:47,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-07-22 17:38:47,236 INFO L187 NwaCegarLoop]: Found error trace [2022-07-22 17:38:47,236 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:38:47,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-22 17:38:47,237 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-22 17:38:47,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 17:38:47,238 INFO L85 PathProgramCache]: Analyzing trace with hash -1014722144, now seen corresponding path program 1 times [2022-07-22 17:38:47,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 17:38:47,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2226599] [2022-07-22 17:38:47,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:38:47,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 17:38:47,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:47,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-22 17:38:47,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:47,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-07-22 17:38:47,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:47,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-22 17:38:47,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:47,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-22 17:38:47,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:47,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-22 17:38:47,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:47,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:38:47,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:47,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-22 17:38:47,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:47,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-22 17:38:47,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:47,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-22 17:38:47,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:47,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-22 17:38:47,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:47,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-22 17:38:47,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:47,403 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 17 proven. 11 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-22 17:38:47,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 17:38:47,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2226599] [2022-07-22 17:38:47,404 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2226599] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-22 17:38:47,404 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [680111036] [2022-07-22 17:38:47,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 17:38:47,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-22 17:38:47,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 17:38:47,407 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) [2022-07-22 17:38:47,436 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-22 17:38:47,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 17:38:47,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-22 17:38:47,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-22 17:38:47,789 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 17 proven. 12 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-07-22 17:38:47,790 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-22 17:38:48,087 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-07-22 17:38:48,088 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [680111036] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-22 17:38:48,088 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-22 17:38:48,088 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 8, 9] total 22 [2022-07-22 17:38:48,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991290603] [2022-07-22 17:38:48,089 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-22 17:38:48,089 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-07-22 17:38:48,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 17:38:48,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-07-22 17:38:48,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=394, Unknown=0, NotChecked=0, Total=462 [2022-07-22 17:38:48,091 INFO L87 Difference]: Start difference. First operand 862 states and 1039 transitions. Second operand has 22 states, 22 states have (on average 6.681818181818182) internal successors, (147), 15 states have internal predecessors, (147), 7 states have call successors, (28), 10 states have call predecessors, (28), 10 states have return successors, (28), 10 states have call predecessors, (28), 7 states have call successors, (28) [2022-07-22 17:38:49,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 17:38:49,863 INFO L93 Difference]: Finished difference Result 1813 states and 2250 transitions. [2022-07-22 17:38:49,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2022-07-22 17:38:49,864 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 6.681818181818182) internal successors, (147), 15 states have internal predecessors, (147), 7 states have call successors, (28), 10 states have call predecessors, (28), 10 states have return successors, (28), 10 states have call predecessors, (28), 7 states have call successors, (28) Word has length 105 [2022-07-22 17:38:49,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-22 17:38:49,864 INFO L225 Difference]: With dead ends: 1813 [2022-07-22 17:38:49,865 INFO L226 Difference]: Without dead ends: 0 [2022-07-22 17:38:49,869 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 306 GetRequests, 234 SyntacticMatches, 1 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1379 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=1173, Invalid=4083, Unknown=0, NotChecked=0, Total=5256 [2022-07-22 17:38:49,870 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 1611 mSDsluCounter, 519 mSDsCounter, 0 mSdLazyCounter, 1411 mSolverCounterSat, 974 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1613 SdHoareTripleChecker+Valid, 611 SdHoareTripleChecker+Invalid, 2385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 974 IncrementalHoareTripleChecker+Valid, 1411 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-22 17:38:49,870 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1613 Valid, 611 Invalid, 2385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [974 Valid, 1411 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-22 17:38:49,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-22 17:38:49,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-22 17:38:49,871 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) [2022-07-22 17:38:49,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-22 17:38:49,872 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 105 [2022-07-22 17:38:49,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-22 17:38:49,872 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-22 17:38:49,872 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 6.681818181818182) internal successors, (147), 15 states have internal predecessors, (147), 7 states have call successors, (28), 10 states have call predecessors, (28), 10 states have return successors, (28), 10 states have call predecessors, (28), 7 states have call successors, (28) [2022-07-22 17:38:49,873 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-22 17:38:49,873 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-22 17:38:49,875 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-22 17:38:49,902 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-22 17:38:50,090 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-07-22 17:38:50,092 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-22 17:38:54,296 INFO L895 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 266 273) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1))) [2022-07-22 17:38:54,296 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 266 273) no Hoare annotation was computed. [2022-07-22 17:38:54,296 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 266 273) no Hoare annotation was computed. [2022-07-22 17:38:54,296 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 156 162) no Hoare annotation was computed. [2022-07-22 17:38:54,296 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 156 162) the Hoare annotation is: true [2022-07-22 17:38:54,297 INFO L895 garLoopResultBuilder]: At program point L209(line 209) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1))) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (not (<= ~waterLevel~0 2))))) [2022-07-22 17:38:54,297 INFO L899 garLoopResultBuilder]: For program point L209-1(lines 190 214) no Hoare annotation was computed. [2022-07-22 17:38:54,297 INFO L895 garLoopResultBuilder]: At program point L364(lines 349 367) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= ~waterLevel~0 2))))) [2022-07-22 17:38:54,297 INFO L899 garLoopResultBuilder]: For program point L358(lines 358 362) no Hoare annotation was computed. [2022-07-22 17:38:54,297 INFO L899 garLoopResultBuilder]: For program point L358-2(lines 358 362) no Hoare annotation was computed. [2022-07-22 17:38:54,297 INFO L895 garLoopResultBuilder]: At program point L468(lines 463 471) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= ~waterLevel~0 2))))) [2022-07-22 17:38:54,297 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 190 214) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (not (<= ~waterLevel~0 2))) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1))))) [2022-07-22 17:38:54,298 INFO L895 garLoopResultBuilder]: At program point L204(line 204) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= ~waterLevel~0 2))))) [2022-07-22 17:38:54,298 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 190 214) no Hoare annotation was computed. [2022-07-22 17:38:54,298 INFO L895 garLoopResultBuilder]: At program point L200(line 200) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= ~waterLevel~0 2))))) [2022-07-22 17:38:54,298 INFO L899 garLoopResultBuilder]: For program point L198(lines 198 206) no Hoare annotation was computed. [2022-07-22 17:38:54,298 INFO L899 garLoopResultBuilder]: For program point L194(lines 194 211) no Hoare annotation was computed. [2022-07-22 17:38:54,298 INFO L899 garLoopResultBuilder]: For program point L400-1(lines 396 407) no Hoare annotation was computed. [2022-07-22 17:38:54,298 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 396 407) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse6 (= |old(~methaneLevelCritical~0)| 0))) (let ((.cse0 (not .cse6)) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse5 (not (= ~pumpRunning~0 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse7 (not .cse1)) (.cse4 (not (<= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse2 .cse4) (or .cse2 .cse6 .cse7 .cse3 .cse4) (or .cse5 .cse2 .cse6 .cse7 .cse4)))) [2022-07-22 17:38:54,298 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 396 407) no Hoare annotation was computed. [2022-07-22 17:38:54,298 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 408 416) the Hoare annotation is: true [2022-07-22 17:38:54,299 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 408 416) no Hoare annotation was computed. [2022-07-22 17:38:54,299 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 408 416) no Hoare annotation was computed. [2022-07-22 17:38:54,299 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 483 512) no Hoare annotation was computed. [2022-07-22 17:38:54,299 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 483 512) the Hoare annotation is: true [2022-07-22 17:38:54,299 INFO L902 garLoopResultBuilder]: At program point L508(lines 483 512) the Hoare annotation is: true [2022-07-22 17:38:54,299 INFO L899 garLoopResultBuilder]: For program point L504(line 504) no Hoare annotation was computed. [2022-07-22 17:38:54,299 INFO L899 garLoopResultBuilder]: For program point L497(lines 497 501) no Hoare annotation was computed. [2022-07-22 17:38:54,299 INFO L902 garLoopResultBuilder]: At program point L497-1(lines 497 501) the Hoare annotation is: true [2022-07-22 17:38:54,299 INFO L899 garLoopResultBuilder]: For program point L494(line 494) no Hoare annotation was computed. [2022-07-22 17:38:54,299 INFO L902 garLoopResultBuilder]: At program point L493-2(lines 493 507) the Hoare annotation is: true [2022-07-22 17:38:54,300 INFO L902 garLoopResultBuilder]: At program point L489(line 489) the Hoare annotation is: true [2022-07-22 17:38:54,300 INFO L899 garLoopResultBuilder]: For program point L489-1(line 489) no Hoare annotation was computed. [2022-07-22 17:38:54,300 INFO L899 garLoopResultBuilder]: For program point L477(line 477) no Hoare annotation was computed. [2022-07-22 17:38:54,300 INFO L899 garLoopResultBuilder]: For program point L143-1(lines 143 149) no Hoare annotation was computed. [2022-07-22 17:38:54,300 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 132 155) no Hoare annotation was computed. [2022-07-22 17:38:54,300 INFO L895 garLoopResultBuilder]: At program point L230(line 230) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|)) (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2022-07-22 17:38:54,300 INFO L895 garLoopResultBuilder]: At program point L226(line 226) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|)) (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2022-07-22 17:38:54,301 INFO L895 garLoopResultBuilder]: At program point L222(line 222) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|)) (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2022-07-22 17:38:54,301 INFO L895 garLoopResultBuilder]: At program point L478(lines 473 480) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2022-07-22 17:38:54,301 INFO L899 garLoopResultBuilder]: For program point L222-1(line 222) no Hoare annotation was computed. [2022-07-22 17:38:54,301 INFO L895 garLoopResultBuilder]: At program point L445(lines 440 448) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (= |timeShift___utac_acc__Specification3_spec__1_~tmp~8#1| 0)) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (<= ~waterLevel~0 1)) (.cse8 (<= |timeShift_getWaterLevel_#res#1| 1)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (not (= 1 ~systemActive~0))) (.cse10 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse2 (= |timeShift_getWaterLevel_#res#1| 1)) (let ((.cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse0 .cse2 (and .cse4 .cse5 .cse6 .cse7) .cse3 (and (<= 1 ~pumpRunning~0) .cse4 .cse7))) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse2 .cse8) (let ((.cse9 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (or .cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse4 .cse6 .cse9 .cse8) .cse10 (and .cse4 .cse5 .cse6 .cse9 .cse8) .cse3)) (or .cse1 .cse2 .cse10 .cse3))) [2022-07-22 17:38:54,301 INFO L899 garLoopResultBuilder]: For program point L590(lines 590 610) no Hoare annotation was computed. [2022-07-22 17:38:54,301 INFO L895 garLoopResultBuilder]: At program point L235(line 235) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse0 .cse1) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1))) [2022-07-22 17:38:54,302 INFO L895 garLoopResultBuilder]: At program point L235-1(lines 216 240) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 1)) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse4 (not (= 1 ~systemActive~0))) (.cse6 (not (<= |old(~waterLevel~0)| 2)))) (and (or (and .cse0 .cse1 .cse2) .cse3 .cse4 (not .cse5) (and (<= 1 ~pumpRunning~0) .cse2) .cse6) (let ((.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (or .cse4 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse7) (not (<= 1 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse7) .cse6)) (or .cse3 (and .cse0 .cse2) .cse5 .cse4 .cse6))) [2022-07-22 17:38:54,302 INFO L899 garLoopResultBuilder]: For program point L136-1(lines 135 154) no Hoare annotation was computed. [2022-07-22 17:38:54,302 INFO L899 garLoopResultBuilder]: For program point L376(lines 376 380) no Hoare annotation was computed. [2022-07-22 17:38:54,302 INFO L895 garLoopResultBuilder]: At program point L376-2(lines 372 383) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|)) (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2022-07-22 17:38:54,302 INFO L895 garLoopResultBuilder]: At program point L290(lines 285 293) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1) (or (and (<= 1 ~pumpRunning~0) (= |timeShift___utac_acc__Specification3_spec__1_~tmp~8#1| 0) (not (= |timeShift_isPumpRunning_#res#1| 0)) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse0 .cse1 .cse2) (or .cse1 (not (<= 1 |old(~pumpRunning~0)|)) .cse2))) [2022-07-22 17:38:54,302 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 232) no Hoare annotation was computed. [2022-07-22 17:38:54,303 INFO L899 garLoopResultBuilder]: For program point L220(lines 220 237) no Hoare annotation was computed. [2022-07-22 17:38:54,303 INFO L899 garLoopResultBuilder]: For program point L600(lines 600 606) no Hoare annotation was computed. [2022-07-22 17:38:54,303 INFO L899 garLoopResultBuilder]: For program point L596(lines 596 609) no Hoare annotation was computed. [2022-07-22 17:38:54,303 INFO L895 garLoopResultBuilder]: At program point L596-1(lines 581 613) the Hoare annotation is: (let ((.cse6 (= ~methaneLevelCritical~0 0)) (.cse14 (= |timeShift___utac_acc__Specification3_spec__1_~tmp~8#1| 0))) (let ((.cse9 (not .cse14)) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse7 (= ~pumpRunning~0 0)) (.cse5 (not .cse6)) (.cse13 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse11 (<= ~waterLevel~0 1)) (.cse3 (<= |timeShift___utac_acc__Specification3_spec__1_~tmp___0~3#1| 1)) (.cse4 (<= |timeShift_getWaterLevel_#res#1| 1)) (.cse10 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse2 (not (= 1 ~systemActive~0))) (.cse12 (not (<= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4) .cse5) (or .cse1 .cse6 .cse2 (and .cse7 .cse8 .cse9) .cse10) (or .cse6 .cse2 (and .cse7 .cse11 .cse9) .cse12 .cse10 (and .cse13 .cse11 .cse9)) (or .cse1 .cse2 .cse5 (and .cse14 .cse7 .cse11 .cse8) .cse10 (and (<= 1 ~pumpRunning~0) .cse14 .cse8)) (or (and .cse14 .cse7 .cse11 .cse3 .cse4) .cse2 .cse12 .cse5 (and .cse13 .cse14 .cse11 .cse3 .cse4) .cse10) (or .cse0 .cse2 .cse12 (<= ~waterLevel~0 |old(~waterLevel~0)|))))) [2022-07-22 17:38:54,303 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 132 155) the Hoare annotation is: (let ((.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) .cse2) (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) .cse1) .cse0 .cse2))) [2022-07-22 17:38:54,303 INFO L895 garLoopResultBuilder]: At program point L588(line 588) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 1)) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse4 (not (= 1 ~systemActive~0))) (.cse6 (not (<= |old(~waterLevel~0)| 2)))) (and (or (and .cse0 .cse1 .cse2) .cse3 .cse4 (not .cse5) (and (<= 1 ~pumpRunning~0) .cse2) .cse6) (let ((.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (or .cse4 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse7) (not (<= 1 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse7) .cse6)) (or .cse3 (and .cse0 .cse2) .cse5 .cse4 .cse6))) [2022-07-22 17:38:54,304 INFO L899 garLoopResultBuilder]: For program point L588-1(line 588) no Hoare annotation was computed. [2022-07-22 17:38:54,304 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 132 155) no Hoare annotation was computed. [2022-07-22 17:38:54,304 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 477) no Hoare annotation was computed. [2022-07-22 17:38:54,304 INFO L902 garLoopResultBuilder]: At program point L576(lines 557 579) the Hoare annotation is: true [2022-07-22 17:38:54,304 INFO L895 garLoopResultBuilder]: At program point L630(lines 626 632) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-22 17:38:54,304 INFO L895 garLoopResultBuilder]: At program point L110(lines 63 111) the Hoare annotation is: false [2022-07-22 17:38:54,304 INFO L899 garLoopResultBuilder]: For program point L65(lines 64 109) no Hoare annotation was computed. [2022-07-22 17:38:54,305 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-22 17:38:54,305 INFO L899 garLoopResultBuilder]: For program point L94(lines 94 105) no Hoare annotation was computed. [2022-07-22 17:38:54,305 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-22 17:38:54,305 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-22 17:38:54,305 INFO L895 garLoopResultBuilder]: At program point L86(line 86) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_main_~tmp~7#1| ~systemActive~0))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2 .cse3 .cse4) (and (<= 1 ~pumpRunning~0) .cse0 .cse1 .cse2 .cse3 .cse4))) [2022-07-22 17:38:54,305 INFO L895 garLoopResultBuilder]: At program point L107(lines 64 109) the Hoare annotation is: (let ((.cse6 (<= 1 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 1)) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse8 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_main_~tmp~7#1| ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse2 .cse3 .cse4 .cse8 .cse5) (and .cse6 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse2 (not .cse7) .cse3 .cse4 .cse8 .cse5))) [2022-07-22 17:38:54,305 INFO L899 garLoopResultBuilder]: For program point L74(lines 74 80) no Hoare annotation was computed. [2022-07-22 17:38:54,305 INFO L899 garLoopResultBuilder]: For program point L74-1(lines 74 80) no Hoare annotation was computed. [2022-07-22 17:38:54,306 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2022-07-22 17:38:54,306 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-22 17:38:54,306 INFO L895 garLoopResultBuilder]: At program point L541(lines 537 543) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1) (= |ULTIMATE.start_main_~tmp~7#1| ~systemActive~0)) [2022-07-22 17:38:54,306 INFO L895 garLoopResultBuilder]: At program point L645(lines 640 648) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-22 17:38:54,306 INFO L899 garLoopResultBuilder]: For program point L100(lines 100 104) no Hoare annotation was computed. [2022-07-22 17:38:54,306 INFO L895 garLoopResultBuilder]: At program point L100-2(lines 94 105) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= ~waterLevel~0 2)) (.cse4 (= |ULTIMATE.start_main_~tmp~7#1| ~systemActive~0))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2 .cse3 .cse4) (and (<= 1 ~pumpRunning~0) .cse0 .cse1 .cse2 .cse3 .cse4))) [2022-07-22 17:38:54,306 INFO L895 garLoopResultBuilder]: At program point L637(lines 633 639) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-22 17:38:54,307 INFO L899 garLoopResultBuilder]: For program point L567(lines 567 574) no Hoare annotation was computed. [2022-07-22 17:38:54,307 INFO L899 garLoopResultBuilder]: For program point L567-2(lines 567 574) no Hoare annotation was computed. [2022-07-22 17:38:54,307 INFO L899 garLoopResultBuilder]: For program point L84(lines 84 90) no Hoare annotation was computed. [2022-07-22 17:38:54,307 INFO L899 garLoopResultBuilder]: For program point L84-1(lines 84 90) no Hoare annotation was computed. [2022-07-22 17:38:54,307 INFO L902 garLoopResultBuilder]: At program point L113(lines 54 117) the Hoare annotation is: true [2022-07-22 17:38:54,307 INFO L895 garLoopResultBuilder]: At program point L76(line 76) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse7 (<= ~waterLevel~0 1)) (.cse8 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (<= ~waterLevel~0 2)) (.cse6 (= |ULTIMATE.start_main_~tmp~7#1| ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse7 .cse2 .cse3 .cse4 .cse6) (and (= |ULTIMATE.start_main_~tmp~7#1| 1) .cse8 (= |ULTIMATE.start_valid_product_#res#1| 1) .cse7 .cse4 .cse6) (and .cse8 .cse2 (not .cse1) .cse3 .cse4 .cse5 .cse6))) [2022-07-22 17:38:54,307 INFO L902 garLoopResultBuilder]: At program point L551(lines 544 553) the Hoare annotation is: true [2022-07-22 17:38:54,308 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 164 188) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (not (<= ~waterLevel~0 2))) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1))))) [2022-07-22 17:38:54,308 INFO L899 garLoopResultBuilder]: For program point L256(lines 256 262) no Hoare annotation was computed. [2022-07-22 17:38:54,308 INFO L895 garLoopResultBuilder]: At program point L254(line 254) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (<= ~waterLevel~0 1))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not .cse1)) (let ((.cse2 (= ~pumpRunning~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= ~waterLevel~0 2)) (and .cse2 .cse1) (and .cse2 (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~5#1| 0) (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1|) (<= 1 |processEnvironment__wrappee__highWaterSensor_~tmp~1#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)))))) [2022-07-22 17:38:54,308 INFO L895 garLoopResultBuilder]: At program point L256-2(lines 249 265) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse1 (not (= 1 ~systemActive~0))) (.cse6 (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1|)) (.cse7 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~5#1| 0)) (.cse8 (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1|)) (.cse9 (<= 1 |processEnvironment__wrappee__highWaterSensor_~tmp~1#1|)) (.cse10 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)) (.cse4 (<= ~waterLevel~0 1)) (.cse11 (not (<= ~waterLevel~0 2)))) (and (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse5 (= 0 |processEnvironment__wrappee__highWaterSensor_activatePump_~tmp~4#1|))) (or .cse0 .cse1 (not .cse2) (and .cse3 .cse4 .cse5) (and .cse3 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) .cse11)) (or .cse1 (not (<= 1 |old(~pumpRunning~0)|)) (not .cse4)) (let ((.cse12 (= ~pumpRunning~0 0)) (.cse13 (= ~methaneLevelCritical~0 |processEnvironment__wrappee__highWaterSensor_activatePump_~tmp~4#1|))) (or .cse0 .cse2 .cse1 (and .cse12 .cse6 .cse7 .cse13 .cse8 .cse9 .cse10) (and .cse12 .cse4 .cse13) .cse11)))) [2022-07-22 17:38:54,308 INFO L899 garLoopResultBuilder]: For program point L254-1(line 254) no Hoare annotation was computed. [2022-07-22 17:38:54,308 INFO L895 garLoopResultBuilder]: At program point L345(lines 330 348) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (<= ~waterLevel~0 1))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not .cse1)) (let ((.cse2 (= ~pumpRunning~0 0))) (or (and .cse2 (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~5#1| 0) (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)) (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= ~waterLevel~0 2)) (and .cse2 .cse1))))) [2022-07-22 17:38:54,309 INFO L895 garLoopResultBuilder]: At program point L246(lines 241 248) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 1)) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse5 (not (<= ~waterLevel~0 2)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not .cse1)) (let ((.cse3 (<= 1 ~pumpRunning~0)) (.cse4 (= 0 |processEnvironment__wrappee__highWaterSensor_activatePump_~tmp~4#1|))) (or .cse2 .cse0 (and .cse3 .cse1 .cse4) (and .cse3 .cse4 (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp~5#1| 0) (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~1#1|) (<= 1 |processEnvironment__wrappee__highWaterSensor_~tmp~1#1|) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)) .cse5)) (or .cse2 (= ~methaneLevelCritical~0 0) .cse0 .cse5))) [2022-07-22 17:38:54,309 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 343) no Hoare annotation was computed. [2022-07-22 17:38:54,309 INFO L895 garLoopResultBuilder]: At program point L178(line 178) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (<= ~waterLevel~0 1))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= ~waterLevel~0 2)) (and (= ~pumpRunning~0 0) .cse1)) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not .cse1)))) [2022-07-22 17:38:54,309 INFO L899 garLoopResultBuilder]: For program point L339-2(lines 339 343) no Hoare annotation was computed. [2022-07-22 17:38:54,309 INFO L899 garLoopResultBuilder]: For program point L172(lines 172 180) no Hoare annotation was computed. [2022-07-22 17:38:54,309 INFO L899 garLoopResultBuilder]: For program point L168(lines 168 185) no Hoare annotation was computed. [2022-07-22 17:38:54,309 INFO L899 garLoopResultBuilder]: For program point L453(lines 453 459) no Hoare annotation was computed. [2022-07-22 17:38:54,310 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 164 188) no Hoare annotation was computed. [2022-07-22 17:38:54,310 INFO L895 garLoopResultBuilder]: At program point L183(line 183) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= ~waterLevel~0 1))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= ~waterLevel~0 2))))) [2022-07-22 17:38:54,310 INFO L899 garLoopResultBuilder]: For program point L183-1(lines 164 188) no Hoare annotation was computed. [2022-07-22 17:38:54,310 INFO L895 garLoopResultBuilder]: At program point L458(lines 449 462) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (<= ~waterLevel~0 1))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not .cse1)) (let ((.cse2 (= ~pumpRunning~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (and .cse2 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 0)) (not (<= ~waterLevel~0 2)) (and .cse2 .cse1))))) [2022-07-22 17:38:54,310 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 384 395) no Hoare annotation was computed. [2022-07-22 17:38:54,310 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 384 395) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~pumpRunning~0))) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse4 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (not (<= |old(~waterLevel~0)| 1))) (.cse6 (not (= ~pumpRunning~0 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 (not .cse1) .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse2 .cse3) (or .cse6 .cse1 .cse0 .cse3 .cse4) (or .cse5 .cse6 .cse0 .cse3))) [2022-07-22 17:38:54,310 INFO L899 garLoopResultBuilder]: For program point L388-1(lines 384 395) no Hoare annotation was computed. [2022-07-22 17:38:54,311 INFO L902 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 274 284) the Hoare annotation is: true [2022-07-22 17:38:54,311 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 274 284) no Hoare annotation was computed. [2022-07-22 17:38:54,311 INFO L902 garLoopResultBuilder]: At program point L279(line 279) the Hoare annotation is: true [2022-07-22 17:38:54,311 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 274 284) no Hoare annotation was computed. [2022-07-22 17:38:54,311 INFO L899 garLoopResultBuilder]: For program point L279-1(line 279) no Hoare annotation was computed. [2022-07-22 17:38:54,314 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 17:38:54,316 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-22 17:38:54,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.07 05:38:54 BoogieIcfgContainer [2022-07-22 17:38:54,344 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-22 17:38:54,345 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-22 17:38:54,345 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-22 17:38:54,345 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-22 17:38:54,346 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 05:38:41" (3/4) ... [2022-07-22 17:38:54,348 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-22 17:38:54,353 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-07-22 17:38:54,354 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-07-22 17:38:54,354 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-07-22 17:38:54,354 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-07-22 17:38:54,354 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-07-22 17:38:54,354 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-07-22 17:38:54,354 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-07-22 17:38:54,355 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-07-22 17:38:54,355 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2022-07-22 17:38:54,355 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2022-07-22 17:38:54,362 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 53 nodes and edges [2022-07-22 17:38:54,362 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-07-22 17:38:54,363 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-22 17:38:54,363 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-22 17:38:54,364 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-22 17:38:54,364 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-22 17:38:54,365 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-22 17:38:54,384 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 [2022-07-22 17:38:54,385 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && waterLevel == 1) && tmp == systemActive [2022-07-22 17:38:54,385 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && tmp == systemActive) || ((((((1 <= pumpRunning && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && tmp == systemActive)) || (((((1 <= pumpRunning && waterLevel <= 1) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && tmp == systemActive)) || ((((((pumpRunning == 0 && 1 == systemActive) && !(methaneLevelCritical == 0)) && \result == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && tmp == systemActive) [2022-07-22 17:38:54,386 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) [2022-07-22 17:38:54,386 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) && ((((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(1 <= \old(pumpRunning))) || ((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(\old(waterLevel) <= 2))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) [2022-07-22 17:38:54,387 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || (tmp___0 <= 1 && \result <= 1)) || !(methaneLevelCritical == 0)) && ((((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || !(1 == systemActive)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && !(tmp == 0))) || !(\old(waterLevel) <= 2))) && (((((methaneLevelCritical == 0 || !(1 == systemActive)) || ((pumpRunning == 0 && waterLevel <= 1) && !(tmp == 0))) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && !(tmp == 0)))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (((tmp == 0 && pumpRunning == 0) && waterLevel <= 1) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && tmp == 0) && \old(waterLevel) == waterLevel))) && (((((((((tmp == 0 && pumpRunning == 0) && waterLevel <= 1) && tmp___0 <= 1) && \result <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || ((((pumpRunning == \old(pumpRunning) && tmp == 0) && waterLevel <= 1) && tmp___0 <= 1) && \result <= 1)) || !(\old(waterLevel) <= 2))) && (((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || waterLevel <= \old(waterLevel)) [2022-07-22 17:38:54,387 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || \result == 1)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((tmp == 0 && pumpRunning == 0) && waterLevel <= 1) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && tmp == 0) && \old(waterLevel) == waterLevel))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || \result <= 1)) && ((((!(1 == systemActive) || ((((pumpRunning == \old(pumpRunning) && tmp == 0) && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && \result <= 1)) || !(1 <= \old(pumpRunning))) || ((((tmp == 0 && pumpRunning == 0) && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && \result <= 1)) || !(\old(waterLevel) <= 2))) && (((methaneLevelCritical == 0 || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) [2022-07-22 17:38:54,388 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || ((1 <= pumpRunning && waterLevel <= 1) && 0 == tmp)) || ((((((1 <= pumpRunning && 0 == tmp) && 1 <= \result) && tmp == 0) && 1 <= tmp___0) && 1 <= tmp) && \result == 0)) || !(waterLevel <= 2)) && ((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1))) && (((((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || !(1 == systemActive)) || ((((((pumpRunning == 0 && 1 <= \result) && tmp == 0) && methaneLevelCritical == tmp) && 1 <= tmp___0) && 1 <= tmp) && \result == 0)) || ((pumpRunning == 0 && waterLevel <= 1) && methaneLevelCritical == tmp)) || !(waterLevel <= 2)) [2022-07-22 17:38:54,388 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((1 <= pumpRunning && waterLevel <= 1) && 0 == tmp)) || ((((((1 <= pumpRunning && 0 == tmp) && 1 <= \result) && tmp == 0) && 1 <= tmp___0) && 1 <= tmp) && \result == 0)) || !(waterLevel <= 2))) && (((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) [2022-07-22 17:38:54,388 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) [2022-07-22 17:38:54,388 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 0)) || !(waterLevel <= 2)) || (pumpRunning == 0 && waterLevel <= 1)) [2022-07-22 17:38:54,388 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) [2022-07-22 17:38:54,389 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) && ((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive))) && ((((((1 <= pumpRunning && tmp == 0) && !(\result == 0)) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2))) && ((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) [2022-07-22 17:38:54,389 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) && ((((((((pumpRunning == 0 && 1 <= \result) && tmp == 0) && 1 <= tmp___0) && \result == 0) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(waterLevel <= 2)) || (pumpRunning == 0 && waterLevel <= 1)) [2022-07-22 17:38:54,389 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) [2022-07-22 17:38:54,427 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-22 17:38:54,428 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-22 17:38:54,428 INFO L158 Benchmark]: Toolchain (without parser) took 13453.41ms. Allocated memory was 86.0MB in the beginning and 172.0MB in the end (delta: 86.0MB). Free memory was 45.7MB in the beginning and 78.7MB in the end (delta: -33.0MB). Peak memory consumption was 54.2MB. Max. memory is 16.1GB. [2022-07-22 17:38:54,428 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 86.0MB. Free memory is still 63.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 17:38:54,429 INFO L158 Benchmark]: CACSL2BoogieTranslator took 434.85ms. Allocated memory was 86.0MB in the beginning and 111.1MB in the end (delta: 25.2MB). Free memory was 45.5MB in the beginning and 78.2MB in the end (delta: -32.7MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2022-07-22 17:38:54,429 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.26ms. Allocated memory is still 111.1MB. Free memory was 78.2MB in the beginning and 75.3MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-22 17:38:54,429 INFO L158 Benchmark]: Boogie Preprocessor took 27.19ms. Allocated memory is still 111.1MB. Free memory was 75.3MB in the beginning and 74.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 17:38:54,430 INFO L158 Benchmark]: RCFGBuilder took 438.37ms. Allocated memory is still 111.1MB. Free memory was 74.0MB in the beginning and 55.8MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-07-22 17:38:54,430 INFO L158 Benchmark]: TraceAbstraction took 12396.05ms. Allocated memory was 111.1MB in the beginning and 172.0MB in the end (delta: 60.8MB). Free memory was 55.2MB in the beginning and 86.0MB in the end (delta: -30.9MB). Peak memory consumption was 75.2MB. Max. memory is 16.1GB. [2022-07-22 17:38:54,431 INFO L158 Benchmark]: Witness Printer took 82.95ms. Allocated memory is still 172.0MB. Free memory was 86.0MB in the beginning and 78.7MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-22 17:38:54,433 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 86.0MB. Free memory is still 63.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 434.85ms. Allocated memory was 86.0MB in the beginning and 111.1MB in the end (delta: 25.2MB). Free memory was 45.5MB in the beginning and 78.2MB in the end (delta: -32.7MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.26ms. Allocated memory is still 111.1MB. Free memory was 78.2MB in the beginning and 75.3MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.19ms. Allocated memory is still 111.1MB. Free memory was 75.3MB in the beginning and 74.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 438.37ms. Allocated memory is still 111.1MB. Free memory was 74.0MB in the beginning and 55.8MB in the end (delta: 18.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 12396.05ms. Allocated memory was 111.1MB in the beginning and 172.0MB in the end (delta: 60.8MB). Free memory was 55.2MB in the beginning and 86.0MB in the end (delta: -30.9MB). Peak memory consumption was 75.2MB. Max. memory is 16.1GB. * Witness Printer took 82.95ms. Allocated memory is still 172.0MB. Free memory was 86.0MB in the beginning and 78.7MB in the end (delta: 7.3MB). 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: 477]: 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 11 procedures, 110 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 12.3s, OverallIterations: 11, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 5.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3700 SdHoareTripleChecker+Valid, 3.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3667 mSDsluCounter, 4821 SdHoareTripleChecker+Invalid, 2.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3366 mSDsCounter, 1769 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4974 IncrementalHoareTripleChecker+Invalid, 6743 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1769 mSolverCounterUnsat, 1455 mSDtfsCounter, 4974 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 536 GetRequests, 346 SyntacticMatches, 1 SemanticMatches, 189 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1799 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=862occurred in iteration=9, InterpolantAutomatonStates: 169, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 166 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 50 LocationsWithAnnotation, 2205 PreInvPairs, 2518 NumberOfFragments, 1942 HoareAnnotationTreeSize, 2205 FomulaSimplifications, 418 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 50 FomulaSimplificationsInter, 15815 FormulaSimplificationTreeSizeReductionInter, 3.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 681 NumberOfCodeBlocks, 681 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 773 ConstructedInterpolants, 0 QuantifiedInterpolants, 1466 SizeOfPredicates, 4 NumberOfNonLiveVariables, 486 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 13 InterpolantComputations, 10 PerfectInterpolantSequences, 99/126 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: 63]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 483]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: ((((((((pumpRunning == 0 && waterLevel <= 1) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) && ((((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(1 <= \old(pumpRunning))) || ((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(\old(waterLevel) <= 2))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 557]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 449]: Loop Invariant Derived loop invariant: ((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (pumpRunning == 0 && \result == 0)) || !(waterLevel <= 2)) || (pumpRunning == 0 && waterLevel <= 1)) - InvariantResult [Line: 241]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((1 <= pumpRunning && waterLevel <= 1) && 0 == tmp)) || ((((((1 <= pumpRunning && 0 == tmp) && 1 <= \result) && tmp == 0) && 1 <= tmp___0) && 1 <= tmp) && \result == 0)) || !(waterLevel <= 2))) && (((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) - InvariantResult [Line: 473]: Loop Invariant Derived loop invariant: ((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (((((((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && tmp == systemActive) || ((((((1 <= pumpRunning && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && tmp == systemActive)) || (((((1 <= pumpRunning && waterLevel <= 1) && 1 == systemActive) && \result == systemActive) && splverifierCounter == 0) && tmp == systemActive)) || ((((((pumpRunning == 0 && 1 == systemActive) && !(methaneLevelCritical == 0)) && \result == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && tmp == systemActive) - InvariantResult [Line: 330]: Loop Invariant Derived loop invariant: ((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) && ((((((((pumpRunning == 0 && 1 <= \result) && tmp == 0) && 1 <= tmp___0) && \result == 0) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(waterLevel <= 2)) || (pumpRunning == 0 && waterLevel <= 1)) - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 349]: Loop Invariant Derived loop invariant: (((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) - InvariantResult [Line: 537]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && waterLevel == 1) && tmp == systemActive - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: ((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || ((1 <= pumpRunning && waterLevel <= 1) && 0 == tmp)) || ((((((1 <= pumpRunning && 0 == tmp) && 1 <= \result) && tmp == 0) && 1 <= tmp___0) && 1 <= tmp) && \result == 0)) || !(waterLevel <= 2)) && ((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1))) && (((((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || !(1 == systemActive)) || ((((((pumpRunning == 0 && 1 <= \result) && tmp == 0) && methaneLevelCritical == tmp) && 1 <= tmp___0) && 1 <= tmp) && \result == 0)) || ((pumpRunning == 0 && waterLevel <= 1) && methaneLevelCritical == tmp)) || !(waterLevel <= 2)) - InvariantResult [Line: 463]: Loop Invariant Derived loop invariant: (((pumpRunning == \old(pumpRunning) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(waterLevel <= 1)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(waterLevel <= 2)) - InvariantResult [Line: 581]: Loop Invariant Derived loop invariant: ((((((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || (tmp___0 <= 1 && \result <= 1)) || !(methaneLevelCritical == 0)) && ((((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || !(1 == systemActive)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && !(tmp == 0))) || !(\old(waterLevel) <= 2))) && (((((methaneLevelCritical == 0 || !(1 == systemActive)) || ((pumpRunning == 0 && waterLevel <= 1) && !(tmp == 0))) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && !(tmp == 0)))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (((tmp == 0 && pumpRunning == 0) && waterLevel <= 1) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && tmp == 0) && \old(waterLevel) == waterLevel))) && (((((((((tmp == 0 && pumpRunning == 0) && waterLevel <= 1) && tmp___0 <= 1) && \result <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || ((((pumpRunning == \old(pumpRunning) && tmp == 0) && waterLevel <= 1) && tmp___0 <= 1) && \result <= 1)) || !(\old(waterLevel) <= 2))) && (((!(\old(waterLevel) <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || waterLevel <= \old(waterLevel)) - InvariantResult [Line: 544]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 372]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 440]: Loop Invariant Derived loop invariant: (((((((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || \result == 1)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || (((tmp == 0 && pumpRunning == 0) && waterLevel <= 1) && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) || ((1 <= pumpRunning && tmp == 0) && \old(waterLevel) == waterLevel))) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || \result <= 1)) && ((((!(1 == systemActive) || ((((pumpRunning == \old(pumpRunning) && tmp == 0) && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && \result <= 1)) || !(1 <= \old(pumpRunning))) || ((((tmp == 0 && pumpRunning == 0) && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && \result <= 1)) || !(\old(waterLevel) <= 2))) && (((methaneLevelCritical == 0 || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 285]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || methaneLevelCritical == 0) || !(1 == systemActive)) || !(\old(waterLevel) <= 2)) && ((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive))) && ((((((1 <= pumpRunning && tmp == 0) && !(\result == 0)) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(\old(waterLevel) <= 2))) && ((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 RESULT: Ultimate proved your program to be correct! [2022-07-22 17:38:54,497 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE