./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product63.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4ceef6-9476-4362-a43f-aa4854153166/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4ceef6-9476-4362-a43f-aa4854153166/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4ceef6-9476-4362-a43f-aa4854153166/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4ceef6-9476-4362-a43f-aa4854153166/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product63.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4ceef6-9476-4362-a43f-aa4854153166/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4ceef6-9476-4362-a43f-aa4854153166/bin/uautomizer-tPACEb0tL8 --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 bff509ff7af2b9788fd6216f7196709183d48c973cf9a066c9793f96467b2abf --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 12:04:45,550 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:04:45,553 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:04:45,594 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:04:45,595 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:04:45,598 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:04:45,601 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:04:45,606 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:04:45,608 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:04:45,613 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:04:45,615 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:04:45,617 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:04:45,618 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:04:45,620 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:04:45,621 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:04:45,623 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:04:45,625 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:04:45,626 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:04:45,627 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:04:45,634 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:04:45,638 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:04:45,640 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:04:45,642 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:04:45,644 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:04:45,650 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:04:45,653 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:04:45,653 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:04:45,654 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:04:45,656 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:04:45,657 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:04:45,657 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:04:45,659 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:04:45,660 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:04:45,662 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:04:45,664 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:04:45,664 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:04:45,665 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:04:45,665 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:04:45,666 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:04:45,667 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:04:45,668 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:04:45,669 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4ceef6-9476-4362-a43f-aa4854153166/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-16 12:04:45,715 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:04:45,716 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:04:45,716 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:04:45,717 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:04:45,717 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 12:04:45,718 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 12:04:45,718 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:04:45,719 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:04:45,719 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:04:45,719 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:04:45,720 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 12:04:45,721 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:04:45,721 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 12:04:45,721 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:04:45,721 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 12:04:45,721 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 12:04:45,722 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 12:04:45,722 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 12:04:45,722 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:04:45,722 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:04:45,722 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 12:04:45,723 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:04:45,723 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:04:45,723 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 12:04:45,723 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:04:45,724 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:04:45,724 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 12:04:45,724 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 12:04:45,724 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:04:45,724 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 12:04:45,725 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 12:04:45,725 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 12:04:45,725 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 12:04:45,725 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4ceef6-9476-4362-a43f-aa4854153166/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4ceef6-9476-4362-a43f-aa4854153166/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bff509ff7af2b9788fd6216f7196709183d48c973cf9a066c9793f96467b2abf [2022-11-16 12:04:46,068 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:04:46,101 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:04:46,104 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:04:46,105 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:04:46,106 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:04:46,108 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4ceef6-9476-4362-a43f-aa4854153166/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/product-lines/minepump_spec2_product63.cil.c [2022-11-16 12:04:46,189 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4ceef6-9476-4362-a43f-aa4854153166/bin/uautomizer-tPACEb0tL8/data/3204fb001/9ca64098f7d14aba86c3dbeeac70a7f8/FLAG17c9bba25 [2022-11-16 12:04:46,703 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:04:46,703 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4ceef6-9476-4362-a43f-aa4854153166/sv-benchmarks/c/product-lines/minepump_spec2_product63.cil.c [2022-11-16 12:04:46,726 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4ceef6-9476-4362-a43f-aa4854153166/bin/uautomizer-tPACEb0tL8/data/3204fb001/9ca64098f7d14aba86c3dbeeac70a7f8/FLAG17c9bba25 [2022-11-16 12:04:47,025 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4ceef6-9476-4362-a43f-aa4854153166/bin/uautomizer-tPACEb0tL8/data/3204fb001/9ca64098f7d14aba86c3dbeeac70a7f8 [2022-11-16 12:04:47,027 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:04:47,029 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:04:47,031 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:04:47,031 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:04:47,034 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:04:47,035 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:04:47" (1/1) ... [2022-11-16 12:04:47,037 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e9ea5d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:04:47, skipping insertion in model container [2022-11-16 12:04:47,037 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:04:47" (1/1) ... [2022-11-16 12:04:47,045 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:04:47,080 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:04:47,300 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4ceef6-9476-4362-a43f-aa4854153166/sv-benchmarks/c/product-lines/minepump_spec2_product63.cil.c[2985,2998] [2022-11-16 12:04:47,410 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:04:47,428 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:04:47,467 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4ceef6-9476-4362-a43f-aa4854153166/sv-benchmarks/c/product-lines/minepump_spec2_product63.cil.c[2985,2998] [2022-11-16 12:04:47,569 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:04:47,586 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:04:47,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:04:47 WrapperNode [2022-11-16 12:04:47,587 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:04:47,588 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:04:47,588 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:04:47,588 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:04:47,595 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:04:47" (1/1) ... [2022-11-16 12:04:47,610 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:04:47" (1/1) ... [2022-11-16 12:04:47,638 INFO L138 Inliner]: procedures = 59, calls = 163, calls flagged for inlining = 24, calls inlined = 21, statements flattened = 281 [2022-11-16 12:04:47,639 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:04:47,639 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:04:47,640 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:04:47,640 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:04:47,649 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:04:47" (1/1) ... [2022-11-16 12:04:47,649 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:04:47" (1/1) ... [2022-11-16 12:04:47,652 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:04:47" (1/1) ... [2022-11-16 12:04:47,652 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:04:47" (1/1) ... [2022-11-16 12:04:47,669 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:04:47" (1/1) ... [2022-11-16 12:04:47,674 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:04:47" (1/1) ... [2022-11-16 12:04:47,676 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:04:47" (1/1) ... [2022-11-16 12:04:47,678 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:04:47" (1/1) ... [2022-11-16 12:04:47,680 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:04:47,681 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:04:47,681 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:04:47,682 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:04:47,695 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:04:47" (1/1) ... [2022-11-16 12:04:47,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:04:47,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4ceef6-9476-4362-a43f-aa4854153166/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:04:47,732 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4ceef6-9476-4362-a43f-aa4854153166/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 12:04:47,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4ceef6-9476-4362-a43f-aa4854153166/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 12:04:47,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 12:04:47,787 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-16 12:04:47,787 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-16 12:04:47,787 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-11-16 12:04:47,787 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-11-16 12:04:47,787 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-16 12:04:47,787 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-16 12:04:47,788 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-16 12:04:47,788 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-16 12:04:47,789 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-11-16 12:04:47,789 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-11-16 12:04:47,789 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-16 12:04:47,789 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-16 12:04:47,789 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-11-16 12:04:47,790 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-11-16 12:04:47,790 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-11-16 12:04:47,790 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-11-16 12:04:47,790 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-11-16 12:04:47,790 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-11-16 12:04:47,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 12:04:47,790 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-16 12:04:47,790 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-16 12:04:47,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:04:47,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:04:47,872 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:04:47,874 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:04:48,317 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:04:48,325 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:04:48,326 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-16 12:04:48,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:04:48 BoogieIcfgContainer [2022-11-16 12:04:48,328 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:04:48,330 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 12:04:48,331 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 12:04:48,334 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 12:04:48,334 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:04:47" (1/3) ... [2022-11-16 12:04:48,340 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ea6bd94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:04:48, skipping insertion in model container [2022-11-16 12:04:48,340 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:04:47" (2/3) ... [2022-11-16 12:04:48,340 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ea6bd94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:04:48, skipping insertion in model container [2022-11-16 12:04:48,341 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:04:48" (3/3) ... [2022-11-16 12:04:48,342 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product63.cil.c [2022-11-16 12:04:48,362 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 12:04:48,362 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 12:04:48,437 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 12:04:48,453 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=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@37bb0401, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 12:04:48,458 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 12:04:48,467 INFO L276 IsEmpty]: Start isEmpty. Operand has 114 states, 83 states have (on average 1.3734939759036144) internal successors, (114), 94 states have internal predecessors, (114), 19 states have call successors, (19), 10 states have call predecessors, (19), 10 states have return successors, (19), 14 states have call predecessors, (19), 19 states have call successors, (19) [2022-11-16 12:04:48,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-16 12:04:48,478 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:04:48,478 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] [2022-11-16 12:04:48,479 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:04:48,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:04:48,484 INFO L85 PathProgramCache]: Analyzing trace with hash -1947167556, now seen corresponding path program 1 times [2022-11-16 12:04:48,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:04:48,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541333395] [2022-11-16 12:04:48,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:04:48,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:04:48,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:48,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-16 12:04:48,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:48,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:04:48,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:04:48,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541333395] [2022-11-16 12:04:48,739 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541333395] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:04:48,740 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:04:48,740 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 12:04:48,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13313782] [2022-11-16 12:04:48,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:04:48,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-16 12:04:48,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:04:48,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-16 12:04:48,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 12:04:48,794 INFO L87 Difference]: Start difference. First operand has 114 states, 83 states have (on average 1.3734939759036144) internal successors, (114), 94 states have internal predecessors, (114), 19 states have call successors, (19), 10 states have call predecessors, (19), 10 states have return successors, (19), 14 states have call predecessors, (19), 19 states have call successors, (19) 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) [2022-11-16 12:04:48,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:04:48,855 INFO L93 Difference]: Finished difference Result 219 states and 298 transitions. [2022-11-16 12:04:48,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 12:04:48,858 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 [2022-11-16 12:04:48,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:04:48,867 INFO L225 Difference]: With dead ends: 219 [2022-11-16 12:04:48,867 INFO L226 Difference]: Without dead ends: 105 [2022-11-16 12:04:48,871 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 [2022-11-16 12:04:48,875 INFO L413 NwaCegarLoop]: 146 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, 146 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 [2022-11-16 12:04:48,876 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 12:04:48,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2022-11-16 12:04:48,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2022-11-16 12:04:48,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 76 states have (on average 1.3157894736842106) internal successors, (100), 86 states have internal predecessors, (100), 19 states have call successors, (19), 10 states have call predecessors, (19), 9 states have return successors, (18), 13 states have call predecessors, (18), 18 states have call successors, (18) [2022-11-16 12:04:48,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 137 transitions. [2022-11-16 12:04:48,923 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 137 transitions. Word has length 25 [2022-11-16 12:04:48,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:04:48,924 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 137 transitions. [2022-11-16 12:04:48,924 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) [2022-11-16 12:04:48,924 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 137 transitions. [2022-11-16 12:04:48,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-16 12:04:48,927 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:04:48,927 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] [2022-11-16 12:04:48,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 12:04:48,928 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:04:48,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:04:48,928 INFO L85 PathProgramCache]: Analyzing trace with hash -1638616570, now seen corresponding path program 1 times [2022-11-16 12:04:48,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:04:48,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1336480155] [2022-11-16 12:04:48,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:04:48,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:04:48,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:49,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 12:04:49,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:49,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:04:49,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:04:49,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1336480155] [2022-11-16 12:04:49,143 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1336480155] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:04:49,143 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:04:49,143 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:04:49,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615235583] [2022-11-16 12:04:49,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:04:49,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 12:04:49,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:04:49,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:04:49,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:04:49,151 INFO L87 Difference]: Start difference. First operand 105 states and 137 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) [2022-11-16 12:04:49,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:04:49,196 INFO L93 Difference]: Finished difference Result 171 states and 223 transitions. [2022-11-16 12:04:49,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:04:49,204 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 [2022-11-16 12:04:49,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:04:49,205 INFO L225 Difference]: With dead ends: 171 [2022-11-16 12:04:49,206 INFO L226 Difference]: Without dead ends: 96 [2022-11-16 12:04:49,207 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 [2022-11-16 12:04:49,208 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 16 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 227 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 [2022-11-16 12:04:49,209 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 227 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 12:04:49,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2022-11-16 12:04:49,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2022-11-16 12:04:49,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 70 states have (on average 1.3285714285714285) internal successors, (93), 80 states have internal predecessors, (93), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-16 12:04:49,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 125 transitions. [2022-11-16 12:04:49,222 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 125 transitions. Word has length 26 [2022-11-16 12:04:49,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:04:49,222 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 125 transitions. [2022-11-16 12:04:49,223 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) [2022-11-16 12:04:49,223 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 125 transitions. [2022-11-16 12:04:49,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-16 12:04:49,224 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:04:49,224 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] [2022-11-16 12:04:49,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 12:04:49,225 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:04:49,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:04:49,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1033007084, now seen corresponding path program 1 times [2022-11-16 12:04:49,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:04:49,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14628902] [2022-11-16 12:04:49,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:04:49,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:04:49,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:49,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-16 12:04:49,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:49,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:04:49,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:04:49,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14628902] [2022-11-16 12:04:49,465 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14628902] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:04:49,465 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:04:49,465 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 12:04:49,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55340962] [2022-11-16 12:04:49,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:04:49,466 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:04:49,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:04:49,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:04:49,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:04:49,468 INFO L87 Difference]: Start difference. First operand 96 states and 125 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) [2022-11-16 12:04:49,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:04:49,727 INFO L93 Difference]: Finished difference Result 314 states and 416 transitions. [2022-11-16 12:04:49,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:04:49,728 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 [2022-11-16 12:04:49,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:04:49,731 INFO L225 Difference]: With dead ends: 314 [2022-11-16 12:04:49,732 INFO L226 Difference]: Without dead ends: 226 [2022-11-16 12:04:49,733 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 [2022-11-16 12:04:49,734 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 258 mSDsluCounter, 419 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 572 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 12:04:49,735 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [258 Valid, 572 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 12:04:49,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2022-11-16 12:04:49,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 220. [2022-11-16 12:04:49,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 159 states have (on average 1.3584905660377358) internal successors, (216), 181 states have internal predecessors, (216), 37 states have call successors, (37), 23 states have call predecessors, (37), 23 states have return successors, (38), 25 states have call predecessors, (38), 37 states have call successors, (38) [2022-11-16 12:04:49,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 291 transitions. [2022-11-16 12:04:49,770 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 291 transitions. Word has length 30 [2022-11-16 12:04:49,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:04:49,771 INFO L495 AbstractCegarLoop]: Abstraction has 220 states and 291 transitions. [2022-11-16 12:04:49,771 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) [2022-11-16 12:04:49,771 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 291 transitions. [2022-11-16 12:04:49,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-16 12:04:49,774 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:04:49,774 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] [2022-11-16 12:04:49,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 12:04:49,775 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:04:49,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:04:49,775 INFO L85 PathProgramCache]: Analyzing trace with hash -1394669962, now seen corresponding path program 1 times [2022-11-16 12:04:49,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:04:49,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720145910] [2022-11-16 12:04:49,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:04:49,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:04:49,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:49,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-16 12:04:49,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:49,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:04:49,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:04:49,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720145910] [2022-11-16 12:04:49,909 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720145910] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:04:49,909 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:04:49,910 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:04:49,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423442785] [2022-11-16 12:04:49,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:04:49,912 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 12:04:49,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:04:49,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 12:04:49,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:04:49,914 INFO L87 Difference]: Start difference. First operand 220 states and 291 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-16 12:04:50,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:04:50,062 INFO L93 Difference]: Finished difference Result 542 states and 733 transitions. [2022-11-16 12:04:50,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 12:04:50,065 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (2), 1 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 34 [2022-11-16 12:04:50,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:04:50,071 INFO L225 Difference]: With dead ends: 542 [2022-11-16 12:04:50,071 INFO L226 Difference]: Without dead ends: 330 [2022-11-16 12:04:50,076 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-16 12:04:50,079 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 95 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 12:04:50,080 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 472 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 12:04:50,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2022-11-16 12:04:50,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 313. [2022-11-16 12:04:50,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 228 states have (on average 1.2894736842105263) internal successors, (294), 249 states have internal predecessors, (294), 46 states have call successors, (46), 38 states have call predecessors, (46), 38 states have return successors, (60), 41 states have call predecessors, (60), 46 states have call successors, (60) [2022-11-16 12:04:50,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 400 transitions. [2022-11-16 12:04:50,127 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 400 transitions. Word has length 34 [2022-11-16 12:04:50,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:04:50,127 INFO L495 AbstractCegarLoop]: Abstraction has 313 states and 400 transitions. [2022-11-16 12:04:50,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-16 12:04:50,128 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 400 transitions. [2022-11-16 12:04:50,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-16 12:04:50,130 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:04:50,130 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] [2022-11-16 12:04:50,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 12:04:50,131 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:04:50,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:04:50,132 INFO L85 PathProgramCache]: Analyzing trace with hash -261508897, now seen corresponding path program 1 times [2022-11-16 12:04:50,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:04:50,132 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853507250] [2022-11-16 12:04:50,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:04:50,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:04:50,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:50,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-16 12:04:50,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:50,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:04:50,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:50,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 12:04:50,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:50,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:04:50,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:50,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-16 12:04:50,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:50,367 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 12:04:50,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:04:50,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853507250] [2022-11-16 12:04:50,374 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853507250] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:04:50,375 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:04:50,375 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 12:04:50,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787993757] [2022-11-16 12:04:50,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:04:50,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 12:04:50,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:04:50,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 12:04:50,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 12:04:50,378 INFO L87 Difference]: Start difference. First operand 313 states and 400 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-16 12:04:50,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:04:50,642 INFO L93 Difference]: Finished difference Result 690 states and 909 transitions. [2022-11-16 12:04:50,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 12:04:50,643 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (6), 2 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 61 [2022-11-16 12:04:50,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:04:50,648 INFO L225 Difference]: With dead ends: 690 [2022-11-16 12:04:50,648 INFO L226 Difference]: Without dead ends: 385 [2022-11-16 12:04:50,650 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-11-16 12:04:50,662 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 80 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 410 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 12:04:50,662 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 410 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 12:04:50,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2022-11-16 12:04:50,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 373. [2022-11-16 12:04:50,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 373 states, 274 states have (on average 1.27007299270073) internal successors, (348), 295 states have internal predecessors, (348), 50 states have call successors, (50), 38 states have call predecessors, (50), 48 states have return successors, (74), 53 states have call predecessors, (74), 50 states have call successors, (74) [2022-11-16 12:04:50,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 472 transitions. [2022-11-16 12:04:50,753 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 472 transitions. Word has length 61 [2022-11-16 12:04:50,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:04:50,755 INFO L495 AbstractCegarLoop]: Abstraction has 373 states and 472 transitions. [2022-11-16 12:04:50,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-16 12:04:50,756 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 472 transitions. [2022-11-16 12:04:50,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-16 12:04:50,766 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:04:50,766 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] [2022-11-16 12:04:50,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 12:04:50,767 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:04:50,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:04:50,768 INFO L85 PathProgramCache]: Analyzing trace with hash -333895455, now seen corresponding path program 1 times [2022-11-16 12:04:50,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:04:50,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509417151] [2022-11-16 12:04:50,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:04:50,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:04:50,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:50,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-16 12:04:50,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:50,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:04:50,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:50,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 12:04:50,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:50,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:04:50,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:50,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-16 12:04:50,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:50,989 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 12:04:50,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:04:50,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509417151] [2022-11-16 12:04:50,990 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509417151] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:04:50,990 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:04:50,990 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-16 12:04:50,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978820170] [2022-11-16 12:04:50,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:04:50,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-16 12:04:50,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:04:50,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-16 12:04:50,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-16 12:04:50,992 INFO L87 Difference]: Start difference. First operand 373 states and 472 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 6 states have internal predecessors, (48), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-16 12:04:51,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:04:51,234 INFO L93 Difference]: Finished difference Result 756 states and 985 transitions. [2022-11-16 12:04:51,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 12:04:51,235 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 6 states have internal predecessors, (48), 2 states have call successors, (6), 2 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 61 [2022-11-16 12:04:51,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:04:51,237 INFO L225 Difference]: With dead ends: 756 [2022-11-16 12:04:51,238 INFO L226 Difference]: Without dead ends: 391 [2022-11-16 12:04:51,239 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-16 12:04:51,240 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 122 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 217 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 12:04:51,241 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 453 Invalid, 249 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 217 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 12:04:51,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2022-11-16 12:04:51,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 377. [2022-11-16 12:04:51,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 278 states have (on average 1.2661870503597121) internal successors, (352), 299 states have internal predecessors, (352), 50 states have call successors, (50), 38 states have call predecessors, (50), 48 states have return successors, (74), 53 states have call predecessors, (74), 50 states have call successors, (74) [2022-11-16 12:04:51,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 476 transitions. [2022-11-16 12:04:51,281 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 476 transitions. Word has length 61 [2022-11-16 12:04:51,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:04:51,282 INFO L495 AbstractCegarLoop]: Abstraction has 377 states and 476 transitions. [2022-11-16 12:04:51,282 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 6 states have internal predecessors, (48), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-16 12:04:51,282 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 476 transitions. [2022-11-16 12:04:51,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-16 12:04:51,284 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:04:51,284 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] [2022-11-16 12:04:51,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 12:04:51,284 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:04:51,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:04:51,285 INFO L85 PathProgramCache]: Analyzing trace with hash -1177900957, now seen corresponding path program 1 times [2022-11-16 12:04:51,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:04:51,285 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056595047] [2022-11-16 12:04:51,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:04:51,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:04:51,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:51,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-16 12:04:51,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:51,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:04:51,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:51,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 12:04:51,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:51,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:04:51,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:51,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-16 12:04:51,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:51,499 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 12:04:51,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:04:51,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056595047] [2022-11-16 12:04:51,500 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056595047] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:04:51,500 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:04:51,500 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 12:04:51,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843084379] [2022-11-16 12:04:51,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:04:51,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 12:04:51,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:04:51,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 12:04:51,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:04:51,506 INFO L87 Difference]: Start difference. First operand 377 states and 476 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 4 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2022-11-16 12:04:51,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:04:51,840 INFO L93 Difference]: Finished difference Result 1076 states and 1414 transitions. [2022-11-16 12:04:51,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 12:04:51,841 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 4 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) Word has length 61 [2022-11-16 12:04:51,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:04:51,845 INFO L225 Difference]: With dead ends: 1076 [2022-11-16 12:04:51,845 INFO L226 Difference]: Without dead ends: 707 [2022-11-16 12:04:51,847 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-16 12:04:51,850 INFO L413 NwaCegarLoop]: 147 mSDtfsCounter, 249 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 12:04:51,850 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 350 Invalid, 279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 12:04:51,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states. [2022-11-16 12:04:51,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 700. [2022-11-16 12:04:51,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 700 states, 518 states have (on average 1.2413127413127414) internal successors, (643), 551 states have internal predecessors, (643), 93 states have call successors, (93), 83 states have call predecessors, (93), 88 states have return successors, (152), 93 states have call predecessors, (152), 93 states have call successors, (152) [2022-11-16 12:04:51,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 700 states and 888 transitions. [2022-11-16 12:04:51,926 INFO L78 Accepts]: Start accepts. Automaton has 700 states and 888 transitions. Word has length 61 [2022-11-16 12:04:51,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:04:51,927 INFO L495 AbstractCegarLoop]: Abstraction has 700 states and 888 transitions. [2022-11-16 12:04:51,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 4 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2022-11-16 12:04:51,927 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 888 transitions. [2022-11-16 12:04:51,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-16 12:04:51,929 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:04:51,929 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] [2022-11-16 12:04:51,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 12:04:51,929 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:04:51,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:04:51,930 INFO L85 PathProgramCache]: Analyzing trace with hash 1002671561, now seen corresponding path program 1 times [2022-11-16 12:04:51,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:04:51,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37848201] [2022-11-16 12:04:51,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:04:51,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:04:51,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:52,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 12:04:52,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:52,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-16 12:04:52,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:52,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:04:52,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:52,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 12:04:52,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:52,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:04:52,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:52,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-11-16 12:04:52,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:52,254 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 12:04:52,254 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:04:52,254 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37848201] [2022-11-16 12:04:52,254 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37848201] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:04:52,254 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:04:52,255 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-16 12:04:52,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022541064] [2022-11-16 12:04:52,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:04:52,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-16 12:04:52,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:04:52,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-16 12:04:52,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2022-11-16 12:04:52,260 INFO L87 Difference]: Start difference. First operand 700 states and 888 transitions. Second operand has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 7 states have internal predecessors, (50), 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) [2022-11-16 12:04:53,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:04:53,461 INFO L93 Difference]: Finished difference Result 2275 states and 3020 transitions. [2022-11-16 12:04:53,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-11-16 12:04:53,462 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 7 states have internal predecessors, (50), 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 65 [2022-11-16 12:04:53,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:04:53,473 INFO L225 Difference]: With dead ends: 2275 [2022-11-16 12:04:53,474 INFO L226 Difference]: Without dead ends: 1583 [2022-11-16 12:04:53,477 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 257 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=229, Invalid=961, Unknown=0, NotChecked=0, Total=1190 [2022-11-16 12:04:53,478 INFO L413 NwaCegarLoop]: 77 mSDtfsCounter, 594 mSDsluCounter, 462 mSDsCounter, 0 mSdLazyCounter, 963 mSolverCounterSat, 289 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 603 SdHoareTripleChecker+Valid, 539 SdHoareTripleChecker+Invalid, 1252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 289 IncrementalHoareTripleChecker+Valid, 963 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-16 12:04:53,478 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [603 Valid, 539 Invalid, 1252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [289 Valid, 963 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-16 12:04:53,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1583 states. [2022-11-16 12:04:53,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1583 to 1478. [2022-11-16 12:04:53,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1478 states, 1077 states have (on average 1.2079851439182916) internal successors, (1301), 1158 states have internal predecessors, (1301), 212 states have call successors, (212), 162 states have call predecessors, (212), 188 states have return successors, (387), 210 states have call predecessors, (387), 212 states have call successors, (387) [2022-11-16 12:04:53,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1478 states to 1478 states and 1900 transitions. [2022-11-16 12:04:53,660 INFO L78 Accepts]: Start accepts. Automaton has 1478 states and 1900 transitions. Word has length 65 [2022-11-16 12:04:53,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:04:53,660 INFO L495 AbstractCegarLoop]: Abstraction has 1478 states and 1900 transitions. [2022-11-16 12:04:53,662 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.166666666666667) internal successors, (50), 7 states have internal predecessors, (50), 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) [2022-11-16 12:04:53,663 INFO L276 IsEmpty]: Start isEmpty. Operand 1478 states and 1900 transitions. [2022-11-16 12:04:53,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-11-16 12:04:53,677 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:04:53,677 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:04:53,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-16 12:04:53,678 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:04:53,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:04:53,678 INFO L85 PathProgramCache]: Analyzing trace with hash -936110750, now seen corresponding path program 1 times [2022-11-16 12:04:53,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:04:53,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806031069] [2022-11-16 12:04:53,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:04:53,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:04:53,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:53,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 12:04:53,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:53,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-11-16 12:04:53,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:53,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-16 12:04:53,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:53,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 12:04:53,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:53,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:04:53,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:54,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 12:04:54,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:54,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:04:54,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:54,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 12:04:54,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:54,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-11-16 12:04:54,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:54,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2022-11-16 12:04:54,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:54,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:04:54,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:54,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-11-16 12:04:54,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:54,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-16 12:04:54,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:54,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:04:54,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:54,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-11-16 12:04:54,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:54,118 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 18 proven. 15 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-16 12:04:54,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:04:54,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806031069] [2022-11-16 12:04:54,118 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806031069] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:04:54,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [192984368] [2022-11-16 12:04:54,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:04:54,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:04:54,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4ceef6-9476-4362-a43f-aa4854153166/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:04:54,127 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4ceef6-9476-4362-a43f-aa4854153166/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:04:54,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4ceef6-9476-4362-a43f-aa4854153166/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-16 12:04:54,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:54,285 INFO L263 TraceCheckSpWp]: Trace formula consists of 546 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 12:04:54,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:04:54,557 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-16 12:04:54,558 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 12:04:54,558 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [192984368] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:04:54,558 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 12:04:54,559 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [16] total 21 [2022-11-16 12:04:54,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699214380] [2022-11-16 12:04:54,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:04:54,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 12:04:54,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:04:54,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 12:04:54,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=366, Unknown=0, NotChecked=0, Total=420 [2022-11-16 12:04:54,561 INFO L87 Difference]: Start difference. First operand 1478 states and 1900 transitions. Second operand has 8 states, 8 states have (on average 10.875) internal successors, (87), 6 states have internal predecessors, (87), 3 states have call successors, (15), 3 states have call predecessors, (15), 5 states have return successors, (14), 5 states have call predecessors, (14), 3 states have call successors, (14) [2022-11-16 12:04:54,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:04:54,861 INFO L93 Difference]: Finished difference Result 2952 states and 3800 transitions. [2022-11-16 12:04:54,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 12:04:54,862 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.875) internal successors, (87), 6 states have internal predecessors, (87), 3 states have call successors, (15), 3 states have call predecessors, (15), 5 states have return successors, (14), 5 states have call predecessors, (14), 3 states have call successors, (14) Word has length 127 [2022-11-16 12:04:54,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:04:54,871 INFO L225 Difference]: With dead ends: 2952 [2022-11-16 12:04:54,871 INFO L226 Difference]: Without dead ends: 1482 [2022-11-16 12:04:54,876 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=366, Unknown=0, NotChecked=0, Total=420 [2022-11-16 12:04:54,877 INFO L413 NwaCegarLoop]: 228 mSDtfsCounter, 87 mSDsluCounter, 943 mSDsCounter, 0 mSdLazyCounter, 218 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 1171 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 218 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 12:04:54,878 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 1171 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 218 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 12:04:54,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1482 states. [2022-11-16 12:04:55,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1482 to 1478. [2022-11-16 12:04:55,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1478 states, 1077 states have (on average 1.1940575673166203) internal successors, (1286), 1158 states have internal predecessors, (1286), 212 states have call successors, (212), 162 states have call predecessors, (212), 188 states have return successors, (344), 210 states have call predecessors, (344), 212 states have call successors, (344) [2022-11-16 12:04:55,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1478 states to 1478 states and 1842 transitions. [2022-11-16 12:04:55,054 INFO L78 Accepts]: Start accepts. Automaton has 1478 states and 1842 transitions. Word has length 127 [2022-11-16 12:04:55,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:04:55,055 INFO L495 AbstractCegarLoop]: Abstraction has 1478 states and 1842 transitions. [2022-11-16 12:04:55,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.875) internal successors, (87), 6 states have internal predecessors, (87), 3 states have call successors, (15), 3 states have call predecessors, (15), 5 states have return successors, (14), 5 states have call predecessors, (14), 3 states have call successors, (14) [2022-11-16 12:04:55,055 INFO L276 IsEmpty]: Start isEmpty. Operand 1478 states and 1842 transitions. [2022-11-16 12:04:55,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-11-16 12:04:55,061 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:04:55,061 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:04:55,073 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4ceef6-9476-4362-a43f-aa4854153166/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-16 12:04:55,266 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4ceef6-9476-4362-a43f-aa4854153166/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:04:55,267 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:04:55,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:04:55,267 INFO L85 PathProgramCache]: Analyzing trace with hash -921698978, now seen corresponding path program 1 times [2022-11-16 12:04:55,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:04:55,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134874262] [2022-11-16 12:04:55,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:04:55,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:04:55,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:55,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-11-16 12:04:55,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:55,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-16 12:04:55,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:55,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-11-16 12:04:55,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:55,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:04:55,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:55,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-16 12:04:55,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:55,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:04:55,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:55,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-11-16 12:04:55,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:55,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-11-16 12:04:55,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:55,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-11-16 12:04:55,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:55,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-16 12:04:55,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:55,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-11-16 12:04:55,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:55,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-16 12:04:55,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:55,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-16 12:04:55,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:55,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-16 12:04:55,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:55,694 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-11-16 12:04:55,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:04:55,694 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134874262] [2022-11-16 12:04:55,694 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134874262] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 12:04:55,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [485772941] [2022-11-16 12:04:55,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:04:55,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:04:55,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4ceef6-9476-4362-a43f-aa4854153166/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:04:55,696 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4ceef6-9476-4362-a43f-aa4854153166/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 12:04:55,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4ceef6-9476-4362-a43f-aa4854153166/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-16 12:04:55,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:04:55,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 536 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 12:04:55,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:04:56,049 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-16 12:04:56,050 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 12:04:56,050 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [485772941] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:04:56,050 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 12:04:56,050 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [15] total 20 [2022-11-16 12:04:56,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121323544] [2022-11-16 12:04:56,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:04:56,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 12:04:56,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:04:56,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 12:04:56,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2022-11-16 12:04:56,053 INFO L87 Difference]: Start difference. First operand 1478 states and 1842 transitions. Second operand has 8 states, 8 states have (on average 11.0) internal successors, (88), 6 states have internal predecessors, (88), 3 states have call successors, (15), 3 states have call predecessors, (15), 5 states have return successors, (14), 5 states have call predecessors, (14), 3 states have call successors, (14) [2022-11-16 12:04:56,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:04:56,300 INFO L93 Difference]: Finished difference Result 2558 states and 3230 transitions. [2022-11-16 12:04:56,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 12:04:56,301 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.0) internal successors, (88), 6 states have internal predecessors, (88), 3 states have call successors, (15), 3 states have call predecessors, (15), 5 states have return successors, (14), 5 states have call predecessors, (14), 3 states have call successors, (14) Word has length 123 [2022-11-16 12:04:56,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:04:56,302 INFO L225 Difference]: With dead ends: 2558 [2022-11-16 12:04:56,303 INFO L226 Difference]: Without dead ends: 0 [2022-11-16 12:04:56,309 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=62, Invalid=400, Unknown=0, NotChecked=0, Total=462 [2022-11-16 12:04:56,310 INFO L413 NwaCegarLoop]: 213 mSDtfsCounter, 83 mSDsluCounter, 736 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 949 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 12:04:56,311 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 949 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 12:04:56,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-16 12:04:56,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-16 12:04:56,312 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) [2022-11-16 12:04:56,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-16 12:04:56,313 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 123 [2022-11-16 12:04:56,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:04:56,313 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 12:04:56,313 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.0) internal successors, (88), 6 states have internal predecessors, (88), 3 states have call successors, (15), 3 states have call predecessors, (15), 5 states have return successors, (14), 5 states have call predecessors, (14), 3 states have call successors, (14) [2022-11-16 12:04:56,314 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-16 12:04:56,314 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-16 12:04:56,317 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 12:04:56,328 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4ceef6-9476-4362-a43f-aa4854153166/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-16 12:04:56,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4ceef6-9476-4362-a43f-aa4854153166/bin/uautomizer-tPACEb0tL8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 12:04:56,525 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-16 12:05:02,353 INFO L895 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 521 528) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2022-11-16 12:05:02,353 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 521 528) no Hoare annotation was computed. [2022-11-16 12:05:02,353 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 521 528) no Hoare annotation was computed. [2022-11-16 12:05:02,353 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 411 417) no Hoare annotation was computed. [2022-11-16 12:05:02,354 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 411 417) the Hoare annotation is: true [2022-11-16 12:05:02,354 INFO L895 garLoopResultBuilder]: At program point L459(line 459) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse2) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2))) [2022-11-16 12:05:02,354 INFO L895 garLoopResultBuilder]: At program point L455(line 455) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse2) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2))) [2022-11-16 12:05:02,354 INFO L899 garLoopResultBuilder]: For program point L453(lines 453 461) no Hoare annotation was computed. [2022-11-16 12:05:02,354 INFO L899 garLoopResultBuilder]: For program point L449(lines 449 466) no Hoare annotation was computed. [2022-11-16 12:05:02,354 INFO L895 garLoopResultBuilder]: At program point L309(lines 304 312) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse2) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2))) [2022-11-16 12:05:02,355 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 445 469) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (<= 1 ~methaneLevelCritical~0)) .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~methaneLevelCritical~0 0)) .cse0))) [2022-11-16 12:05:02,355 INFO L895 garLoopResultBuilder]: At program point L464(line 464) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= ~methaneLevelCritical~0 0)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1))) [2022-11-16 12:05:02,355 INFO L899 garLoopResultBuilder]: For program point L464-1(lines 445 469) no Hoare annotation was computed. [2022-11-16 12:05:02,355 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 445 469) no Hoare annotation was computed. [2022-11-16 12:05:02,355 INFO L895 garLoopResultBuilder]: At program point L619(lines 604 622) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse2) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2))) [2022-11-16 12:05:02,355 INFO L899 garLoopResultBuilder]: For program point L613(lines 613 617) no Hoare annotation was computed. [2022-11-16 12:05:02,355 INFO L899 garLoopResultBuilder]: For program point L613-2(lines 613 617) no Hoare annotation was computed. [2022-11-16 12:05:02,355 INFO L899 garLoopResultBuilder]: For program point L241-1(lines 237 248) no Hoare annotation was computed. [2022-11-16 12:05:02,356 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 237 248) the Hoare annotation is: (let ((.cse0 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (not (= ~pumpRunning~0 0)))) (and (or .cse0 .cse1 (= 0 ~systemActive~0)) (or .cse0 .cse2 .cse1) (or (<= 1 ~methaneLevelCritical~0) .cse2 (not (<= 1 |old(~methaneLevelCritical~0)|))))) [2022-11-16 12:05:02,356 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 237 248) no Hoare annotation was computed. [2022-11-16 12:05:02,356 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 249 257) the Hoare annotation is: true [2022-11-16 12:05:02,356 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 249 257) no Hoare annotation was computed. [2022-11-16 12:05:02,356 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 249 257) no Hoare annotation was computed. [2022-11-16 12:05:02,356 INFO L895 garLoopResultBuilder]: At program point L481(line 481) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse4 (= 0 ~systemActive~0))) (and (or .cse0 .cse1) (or .cse2 (and (<= 1 |timeShift_processEnvironment_~tmp~5#1|) .cse3) .cse4) (or .cse0 .cse2) (or .cse3 .cse1 .cse4))) [2022-11-16 12:05:02,356 INFO L895 garLoopResultBuilder]: At program point L477(line 477) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse4 (= 0 ~systemActive~0))) (and (or .cse0 .cse1) (or .cse2 .cse3 .cse4) (or .cse0 .cse3) (or .cse2 .cse1 .cse4))) [2022-11-16 12:05:02,357 INFO L899 garLoopResultBuilder]: For program point L477-1(line 477) no Hoare annotation was computed. [2022-11-16 12:05:02,357 INFO L899 garLoopResultBuilder]: For program point L188(lines 188 198) no Hoare annotation was computed. [2022-11-16 12:05:02,357 INFO L899 garLoopResultBuilder]: For program point L217(lines 217 221) no Hoare annotation was computed. [2022-11-16 12:05:02,357 INFO L899 garLoopResultBuilder]: For program point L184(lines 184 201) no Hoare annotation was computed. [2022-11-16 12:05:02,357 INFO L895 garLoopResultBuilder]: At program point L217-2(lines 213 224) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse4 (= 0 ~systemActive~0))) (and (or .cse0 .cse1) (or .cse2 .cse3 .cse4) (or .cse0 .cse3) (or .cse2 .cse1 .cse4))) [2022-11-16 12:05:02,357 INFO L895 garLoopResultBuilder]: At program point L184-1(lines 176 204) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0))) (let ((.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not .cse3)) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse7 (= |timeShift___utac_acc__Specification2_spec__2_~tmp~1#1| 0))) (and (or .cse0 (and .cse1 .cse2) .cse3) (or .cse4 (and .cse5 .cse2) .cse6 (and .cse1 .cse5 .cse7)) (or .cse4 (and .cse1 .cse5) .cse0) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse7) (and .cse1 .cse2 .cse7) .cse6 (and (<= 2 ~waterLevel~0) .cse7) .cse3)))) [2022-11-16 12:05:02,357 INFO L895 garLoopResultBuilder]: At program point L490(line 490) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0))) (let ((.cse8 (<= 1 ~methaneLevelCritical~0)) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (= ~pumpRunning~0 0)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse10 (not .cse1)) (.cse11 (= ~methaneLevelCritical~0 0))) (let ((.cse0 (not .cse11)) (.cse2 (and .cse6 .cse7 .cse11 .cse9 .cse10)) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not .cse8)) (.cse5 (and .cse6 .cse7 .cse8 .cse9 .cse10))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse2) (or .cse3 .cse4 .cse5) (or .cse4 .cse5 .cse1))))) [2022-11-16 12:05:02,358 INFO L895 garLoopResultBuilder]: At program point L490-1(lines 471 495) the Hoare annotation is: (let ((.cse5 (= 0 ~systemActive~0))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and (= |old(~waterLevel~0)| ~waterLevel~0) (not .cse5))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (= ~pumpRunning~0 0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse4) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse3 (<= 2 ~waterLevel~0) .cse2 .cse5)))) [2022-11-16 12:05:02,358 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 387 410) no Hoare annotation was computed. [2022-11-16 12:05:02,358 INFO L899 garLoopResultBuilder]: For program point L391-1(lines 390 409) no Hoare annotation was computed. [2022-11-16 12:05:02,358 INFO L899 garLoopResultBuilder]: For program point L160(line 160) no Hoare annotation was computed. [2022-11-16 12:05:02,358 INFO L899 garLoopResultBuilder]: For program point L189(lines 189 195) no Hoare annotation was computed. [2022-11-16 12:05:02,358 INFO L895 garLoopResultBuilder]: At program point L545(lines 540 548) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= |timeShift_isPumpRunning_#res#1| 0)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= 0 ~systemActive~0))) (and (or .cse0 .cse1) (or (and .cse2 .cse3) .cse4 .cse5) (or .cse0 .cse4 (and .cse2 .cse3 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse1 .cse5))) [2022-11-16 12:05:02,359 INFO L895 garLoopResultBuilder]: At program point L161(lines 156 163) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 .cse1) (or .cse2 .cse3) (or .cse2 .cse0) (or .cse3 .cse1))) [2022-11-16 12:05:02,366 INFO L899 garLoopResultBuilder]: For program point L479(lines 479 487) no Hoare annotation was computed. [2022-11-16 12:05:02,366 INFO L899 garLoopResultBuilder]: For program point L475(lines 475 492) no Hoare annotation was computed. [2022-11-16 12:05:02,367 INFO L895 garLoopResultBuilder]: At program point L182(line 182) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (and .cse0 .cse4)) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or .cse3 (and .cse4 (not .cse2)) .cse5 .cse6) (or .cse3 .cse5 .cse1) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (<= 2 ~waterLevel~0) .cse6 .cse2)))) [2022-11-16 12:05:02,367 INFO L899 garLoopResultBuilder]: For program point L182-1(line 182) no Hoare annotation was computed. [2022-11-16 12:05:02,367 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 387 410) the Hoare annotation is: (let ((.cse6 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (and (= ~pumpRunning~0 0) .cse6)) (.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse6)) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5) (or .cse3 .cse4 .cse0) (or .cse5 .cse1 .cse2)))) [2022-11-16 12:05:02,367 INFO L899 garLoopResultBuilder]: For program point L398-1(lines 398 404) no Hoare annotation was computed. [2022-11-16 12:05:02,367 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 387 410) no Hoare annotation was computed. [2022-11-16 12:05:02,368 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 160) no Hoare annotation was computed. [2022-11-16 12:05:02,368 INFO L895 garLoopResultBuilder]: At program point L485(line 485) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 .cse1) (or .cse2 .cse3) (or .cse2 .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse3 .cse1))) [2022-11-16 12:05:02,368 INFO L902 garLoopResultBuilder]: At program point L66-1(lines 66 70) the Hoare annotation is: true [2022-11-16 12:05:02,368 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 52 81) no Hoare annotation was computed. [2022-11-16 12:05:02,368 INFO L899 garLoopResultBuilder]: For program point L63(line 63) no Hoare annotation was computed. [2022-11-16 12:05:02,369 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 52 81) the Hoare annotation is: true [2022-11-16 12:05:02,369 INFO L902 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: true [2022-11-16 12:05:02,369 INFO L902 garLoopResultBuilder]: At program point L58(line 58) the Hoare annotation is: true [2022-11-16 12:05:02,369 INFO L899 garLoopResultBuilder]: For program point L58-1(line 58) no Hoare annotation was computed. [2022-11-16 12:05:02,370 INFO L902 garLoopResultBuilder]: At program point L77(lines 52 81) the Hoare annotation is: true [2022-11-16 12:05:02,370 INFO L899 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2022-11-16 12:05:02,371 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2022-11-16 12:05:02,371 INFO L902 garLoopResultBuilder]: At program point L126(lines 118 128) the Hoare annotation is: true [2022-11-16 12:05:02,371 INFO L899 garLoopResultBuilder]: For program point L345(lines 345 351) no Hoare annotation was computed. [2022-11-16 12:05:02,371 INFO L899 garLoopResultBuilder]: For program point L345-1(lines 345 351) no Hoare annotation was computed. [2022-11-16 12:05:02,372 INFO L902 garLoopResultBuilder]: At program point L151(lines 132 154) the Hoare annotation is: true [2022-11-16 12:05:02,373 INFO L895 garLoopResultBuilder]: At program point L370(lines 325 372) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse2 .cse3 .cse4) (and .cse1 .cse2 .cse3 .cse4 (not (= 0 ~systemActive~0))))) [2022-11-16 12:05:02,373 INFO L895 garLoopResultBuilder]: At program point L337(line 337) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse2 .cse3 .cse4) (and .cse1 .cse2 .cse3 .cse4 (not (= 0 ~systemActive~0))))) [2022-11-16 12:05:02,373 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-16 12:05:02,373 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-16 12:05:02,373 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-16 12:05:02,374 INFO L895 garLoopResultBuilder]: At program point L635(lines 623 637) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse1 .cse2 .cse3))) [2022-11-16 12:05:02,374 INFO L899 garLoopResultBuilder]: For program point L627(lines 627 633) no Hoare annotation was computed. [2022-11-16 12:05:02,374 INFO L899 garLoopResultBuilder]: For program point L627-1(lines 627 633) no Hoare annotation was computed. [2022-11-16 12:05:02,374 INFO L895 garLoopResultBuilder]: At program point L173(lines 168 175) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-16 12:05:02,374 INFO L899 garLoopResultBuilder]: For program point L326(lines 325 372) no Hoare annotation was computed. [2022-11-16 12:05:02,375 INFO L899 garLoopResultBuilder]: For program point L355(lines 355 368) no Hoare annotation was computed. [2022-11-16 12:05:02,375 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-16 12:05:02,375 INFO L895 garLoopResultBuilder]: At program point L669(lines 664 672) 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)) [2022-11-16 12:05:02,375 INFO L895 garLoopResultBuilder]: At program point L347(line 347) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse3 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse2 .cse3 .cse4) (and .cse1 .cse2 .cse3 .cse4 (not (= 0 ~systemActive~0))))) [2022-11-16 12:05:02,375 INFO L902 garLoopResultBuilder]: At program point L376(lines 315 380) the Hoare annotation is: true [2022-11-16 12:05:02,376 INFO L895 garLoopResultBuilder]: At program point L661(lines 657 663) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-16 12:05:02,376 INFO L899 garLoopResultBuilder]: For program point L335(lines 335 341) no Hoare annotation was computed. [2022-11-16 12:05:02,376 INFO L899 garLoopResultBuilder]: For program point L335-1(lines 335 341) no Hoare annotation was computed. [2022-11-16 12:05:02,376 INFO L899 garLoopResultBuilder]: For program point L327(lines 327 331) no Hoare annotation was computed. [2022-11-16 12:05:02,377 INFO L895 garLoopResultBuilder]: At program point L629(line 629) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and (<= 1 ~methaneLevelCritical~0) .cse0 .cse1 .cse2 .cse3) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2 .cse3))) [2022-11-16 12:05:02,377 INFO L895 garLoopResultBuilder]: At program point L373(lines 324 374) the Hoare annotation is: false [2022-11-16 12:05:02,377 INFO L895 garLoopResultBuilder]: At program point L113(lines 109 115) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_main_~tmp~0#1| 1) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-16 12:05:02,377 INFO L895 garLoopResultBuilder]: At program point L654(lines 650 656) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-11-16 12:05:02,377 INFO L899 garLoopResultBuilder]: For program point L142(lines 142 149) no Hoare annotation was computed. [2022-11-16 12:05:02,377 INFO L899 garLoopResultBuilder]: For program point L142-2(lines 142 149) no Hoare annotation was computed. [2022-11-16 12:05:02,378 INFO L899 garLoopResultBuilder]: For program point L361(lines 361 367) no Hoare annotation was computed. [2022-11-16 12:05:02,378 INFO L895 garLoopResultBuilder]: At program point L361-2(lines 355 368) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0)) (.cse0 (<= 1 ~methaneLevelCritical~0)) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_main_~tmp~0#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse1 .cse2 .cse3) (and .cse5 .cse0 .cse1 .cse2 .cse3) (and .cse6 .cse1 .cse2 .cse3 .cse4))) [2022-11-16 12:05:02,378 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 419 443) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (<= 1 ~methaneLevelCritical~0)) .cse0) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~methaneLevelCritical~0 0)) .cse0))) [2022-11-16 12:05:02,378 INFO L895 garLoopResultBuilder]: At program point L438(line 438) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse2) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2))) [2022-11-16 12:05:02,378 INFO L899 garLoopResultBuilder]: For program point L438-1(lines 419 443) no Hoare annotation was computed. [2022-11-16 12:05:02,379 INFO L899 garLoopResultBuilder]: For program point L294(lines 294 300) no Hoare annotation was computed. [2022-11-16 12:05:02,379 INFO L899 garLoopResultBuilder]: For program point L511(lines 511 517) no Hoare annotation was computed. [2022-11-16 12:05:02,379 INFO L895 garLoopResultBuilder]: At program point L509(line 509) the Hoare annotation is: (let ((.cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0) (<= 2 ~waterLevel~0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1))) [2022-11-16 12:05:02,379 INFO L895 garLoopResultBuilder]: At program point L511-2(lines 504 520) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 ~methaneLevelCritical~0)) (and (= ~pumpRunning~0 0) .cse0 (= ~methaneLevelCritical~0 |processEnvironment__wrappee__highWaterSensor_activatePump_~tmp~6#1|)) .cse1) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2022-11-16 12:05:02,379 INFO L899 garLoopResultBuilder]: For program point L509-1(line 509) no Hoare annotation was computed. [2022-11-16 12:05:02,380 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 419 443) no Hoare annotation was computed. [2022-11-16 12:05:02,380 INFO L895 garLoopResultBuilder]: At program point L600(lines 585 603) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (= ~pumpRunning~0 0))) (let ((.cse0 (and .cse3 .cse4 (<= 2 ~waterLevel~0))) (.cse1 (and .cse3 .cse4 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~2#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1 .cse2) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2)))) [2022-11-16 12:05:02,380 INFO L895 garLoopResultBuilder]: At program point L501(lines 496 503) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 ~methaneLevelCritical~0)) .cse0) (or (<= 2 ~waterLevel~0) (not (= ~methaneLevelCritical~0 0)) .cse0))) [2022-11-16 12:05:02,380 INFO L899 garLoopResultBuilder]: For program point L594(lines 594 598) no Hoare annotation was computed. [2022-11-16 12:05:02,380 INFO L895 garLoopResultBuilder]: At program point L433(line 433) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~3#1| 0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 0)) .cse0 .cse1))) [2022-11-16 12:05:02,381 INFO L899 garLoopResultBuilder]: For program point L594-2(lines 594 598) no Hoare annotation was computed. [2022-11-16 12:05:02,381 INFO L895 garLoopResultBuilder]: At program point L299(lines 290 303) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (= ~pumpRunning~0 0))) (let ((.cse0 (and .cse2 .cse3 (<= 2 ~waterLevel~0))) (.cse4 (= 0 ~systemActive~0)) (.cse1 (<= 1 |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1|))) (and (or .cse0 (and .cse1 .cse2 .cse3) (not (= ~methaneLevelCritical~0 0)) .cse4) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse4 (and .cse1 .cse3))))) [2022-11-16 12:05:02,381 INFO L899 garLoopResultBuilder]: For program point L427(lines 427 435) no Hoare annotation was computed. [2022-11-16 12:05:02,381 INFO L899 garLoopResultBuilder]: For program point L423(lines 423 440) no Hoare annotation was computed. [2022-11-16 12:05:02,381 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 225 236) no Hoare annotation was computed. [2022-11-16 12:05:02,381 INFO L899 garLoopResultBuilder]: For program point L229-1(lines 225 236) no Hoare annotation was computed. [2022-11-16 12:05:02,382 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 225 236) the Hoare annotation is: (let ((.cse2 (not (= ~pumpRunning~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 (= 0 ~systemActive~0)) (or .cse2 (not (<= 1 ~methaneLevelCritical~0)) .cse1) (or .cse2 .cse0 .cse1))) [2022-11-16 12:05:02,382 INFO L902 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 529 539) the Hoare annotation is: true [2022-11-16 12:05:02,383 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 529 539) no Hoare annotation was computed. [2022-11-16 12:05:02,383 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 529 539) no Hoare annotation was computed. [2022-11-16 12:05:02,383 INFO L902 garLoopResultBuilder]: At program point L534(line 534) the Hoare annotation is: true [2022-11-16 12:05:02,383 INFO L899 garLoopResultBuilder]: For program point L534-1(line 534) no Hoare annotation was computed. [2022-11-16 12:05:02,387 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:05:02,389 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 12:05:02,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:05:02 BoogieIcfgContainer [2022-11-16 12:05:02,421 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 12:05:02,422 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 12:05:02,422 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 12:05:02,422 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 12:05:02,423 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:04:48" (3/4) ... [2022-11-16 12:05:02,426 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 12:05:02,433 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-11-16 12:05:02,433 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-16 12:05:02,433 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-16 12:05:02,433 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-11-16 12:05:02,433 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-16 12:05:02,434 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-16 12:05:02,434 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-11-16 12:05:02,434 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-16 12:05:02,434 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2022-11-16 12:05:02,435 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2022-11-16 12:05:02,442 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 53 nodes and edges [2022-11-16 12:05:02,446 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-11-16 12:05:02,447 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-16 12:05:02,447 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-16 12:05:02,448 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 12:05:02,448 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 12:05:02,449 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 12:05:02,475 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 [2022-11-16 12:05:02,476 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && methaneLevelCritical == 0) && tmp == 1) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 [2022-11-16 12:05:02,476 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && methaneLevelCritical == 0) && tmp == 1) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 [2022-11-16 12:05:02,477 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && splverifierCounter == 0) || ((((pumpRunning == 0 && 1 <= methaneLevelCritical) && \result == 1) && tmp == 1) && splverifierCounter == 0)) || ((((methaneLevelCritical == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive)) [2022-11-16 12:05:02,478 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && ((pumpRunning == \old(pumpRunning) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && (!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical))) && ((pumpRunning == \old(pumpRunning) || !(methaneLevelCritical == 0)) || 0 == systemActive) [2022-11-16 12:05:02,479 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || (\old(waterLevel) == waterLevel && !(0 == systemActive))) || !(methaneLevelCritical == 0)) && ((pumpRunning == 0 || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && ((!(\old(pumpRunning) == 0) || (\old(waterLevel) == waterLevel && !(0 == systemActive))) || !(1 <= methaneLevelCritical))) && ((((pumpRunning == \old(pumpRunning) || pumpRunning == 0) || 2 <= waterLevel) || !(methaneLevelCritical == 0)) || 0 == systemActive) [2022-11-16 12:05:02,481 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(1 <= methaneLevelCritical) || (pumpRunning == 0 && !(0 == systemActive))) || 0 == systemActive) && (((!(\old(pumpRunning) == 0) || (\old(waterLevel) == waterLevel && !(0 == systemActive))) || !(methaneLevelCritical == 0)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && tmp == 0))) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 <= methaneLevelCritical))) && (((((pumpRunning == \old(pumpRunning) && tmp == 0) || ((pumpRunning == 0 && !(0 == systemActive)) && tmp == 0)) || !(methaneLevelCritical == 0)) || (2 <= waterLevel && tmp == 0)) || 0 == systemActive) [2022-11-16 12:05:02,481 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && splverifierCounter == 0) || ((((pumpRunning == 0 && 1 <= methaneLevelCritical) && \result == 1) && tmp == 1) && splverifierCounter == 0) [2022-11-16 12:05:02,482 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && (((pumpRunning == 0 && \result == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel))) && (!(methaneLevelCritical == 0) || 0 == systemActive) [2022-11-16 12:05:02,482 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && 2 <= waterLevel) && methaneLevelCritical == tmp)) || 0 == systemActive) && ((2 <= waterLevel || !(methaneLevelCritical == 0)) || 0 == systemActive) [2022-11-16 12:05:02,482 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive) && ((2 <= waterLevel || !(methaneLevelCritical == 0)) || 0 == systemActive) [2022-11-16 12:05:02,482 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && ((pumpRunning == \old(pumpRunning) || !(methaneLevelCritical == 0)) || 0 == systemActive) [2022-11-16 12:05:02,483 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel) || ((1 <= \result && pumpRunning == \old(pumpRunning)) && pumpRunning == 0)) || !(methaneLevelCritical == 0)) || 0 == systemActive) && ((((!(\old(pumpRunning) == 0) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || (1 <= \result && pumpRunning == 0)) [2022-11-16 12:05:02,483 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 <= methaneLevelCritical) || 0 == systemActive) && (!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0))) && (!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical))) && (!(methaneLevelCritical == 0) || 0 == systemActive) [2022-11-16 12:05:02,487 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && ((pumpRunning == \old(pumpRunning) || !(methaneLevelCritical == 0)) || 0 == systemActive) [2022-11-16 12:05:02,487 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel) || !(methaneLevelCritical == 0)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp___0 == 0) && \result == 0)) || 0 == systemActive) && ((((!(\old(pumpRunning) == 0) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel)) || !(1 <= methaneLevelCritical)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp___0 == 0) && \result == 0)) || 0 == systemActive) [2022-11-16 12:05:02,542 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4ceef6-9476-4362-a43f-aa4854153166/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 12:05:02,543 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 12:05:02,544 INFO L158 Benchmark]: Toolchain (without parser) took 15514.63ms. Allocated memory was 134.2MB in the beginning and 247.5MB in the end (delta: 113.2MB). Free memory was 99.8MB in the beginning and 175.9MB in the end (delta: -76.1MB). Peak memory consumption was 38.2MB. Max. memory is 16.1GB. [2022-11-16 12:05:02,544 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 88.1MB. Free memory was 61.0MB in the beginning and 61.0MB in the end (delta: 27.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:05:02,544 INFO L158 Benchmark]: CACSL2BoogieTranslator took 556.46ms. Allocated memory is still 134.2MB. Free memory was 99.5MB in the beginning and 102.2MB in the end (delta: -2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 12:05:02,545 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.22ms. Allocated memory is still 134.2MB. Free memory was 102.2MB in the beginning and 99.4MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 12:05:02,546 INFO L158 Benchmark]: Boogie Preprocessor took 41.17ms. Allocated memory is still 134.2MB. Free memory was 99.4MB in the beginning and 97.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:05:02,546 INFO L158 Benchmark]: RCFGBuilder took 646.78ms. Allocated memory is still 134.2MB. Free memory was 97.3MB in the beginning and 77.1MB in the end (delta: 20.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-16 12:05:02,547 INFO L158 Benchmark]: TraceAbstraction took 14091.10ms. Allocated memory was 134.2MB in the beginning and 247.5MB in the end (delta: 113.2MB). Free memory was 76.3MB in the beginning and 183.2MB in the end (delta: -106.9MB). Peak memory consumption was 117.1MB. Max. memory is 16.1GB. [2022-11-16 12:05:02,547 INFO L158 Benchmark]: Witness Printer took 120.86ms. Allocated memory is still 247.5MB. Free memory was 182.2MB in the beginning and 175.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-16 12:05:02,550 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 88.1MB. Free memory was 61.0MB in the beginning and 61.0MB in the end (delta: 27.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 556.46ms. Allocated memory is still 134.2MB. Free memory was 99.5MB in the beginning and 102.2MB in the end (delta: -2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.22ms. Allocated memory is still 134.2MB. Free memory was 102.2MB in the beginning and 99.4MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.17ms. Allocated memory is still 134.2MB. Free memory was 99.4MB in the beginning and 97.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 646.78ms. Allocated memory is still 134.2MB. Free memory was 97.3MB in the beginning and 77.1MB in the end (delta: 20.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 14091.10ms. Allocated memory was 134.2MB in the beginning and 247.5MB in the end (delta: 113.2MB). Free memory was 76.3MB in the beginning and 183.2MB in the end (delta: -106.9MB). Peak memory consumption was 117.1MB. Max. memory is 16.1GB. * Witness Printer took 120.86ms. Allocated memory is still 247.5MB. Free memory was 182.2MB in the beginning and 175.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 160]: 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, 114 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 14.0s, OverallIterations: 10, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 3.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1624 SdHoareTripleChecker+Valid, 1.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1584 mSDsluCounter, 5289 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3881 mSDsCounter, 456 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2067 IncrementalHoareTripleChecker+Invalid, 2523 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 456 mSolverCounterUnsat, 1408 mSDtfsCounter, 2067 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 471 GetRequests, 365 SyntacticMatches, 1 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 352 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1478occurred in iteration=8, InterpolantAutomatonStates: 83, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 10 MinimizatonAttempts, 165 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 3057 PreInvPairs, 3616 NumberOfFragments, 1646 HoareAnnotationTreeSize, 3057 FomulaSimplifications, 298 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 52 FomulaSimplificationsInter, 23765 FormulaSimplificationTreeSizeReductionInter, 5.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 863 NumberOfCodeBlocks, 863 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 851 ConstructedInterpolants, 0 QuantifiedInterpolants, 1403 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1082 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 194/212 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: 471]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || (\old(waterLevel) == waterLevel && !(0 == systemActive))) || !(methaneLevelCritical == 0)) && ((pumpRunning == 0 || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && ((!(\old(pumpRunning) == 0) || (\old(waterLevel) == waterLevel && !(0 == systemActive))) || !(1 <= methaneLevelCritical))) && ((((pumpRunning == \old(pumpRunning) || pumpRunning == 0) || 2 <= waterLevel) || !(methaneLevelCritical == 0)) || 0 == systemActive) - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && ((pumpRunning == \old(pumpRunning) || !(methaneLevelCritical == 0)) || 0 == systemActive) - InvariantResult [Line: 604]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && ((pumpRunning == \old(pumpRunning) || !(methaneLevelCritical == 0)) || 0 == systemActive) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel) || !(methaneLevelCritical == 0)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp___0 == 0) && \result == 0)) || 0 == systemActive) && ((((!(\old(pumpRunning) == 0) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel)) || !(1 <= methaneLevelCritical)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp___0 == 0) && \result == 0)) || 0 == systemActive) - InvariantResult [Line: 168]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && methaneLevelCritical == 0) && tmp == 1) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 - InvariantResult [Line: 325]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && splverifierCounter == 0) || ((((pumpRunning == 0 && 1 <= methaneLevelCritical) && \result == 1) && tmp == 1) && splverifierCounter == 0)) || ((((methaneLevelCritical == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive)) - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && ((pumpRunning == \old(pumpRunning) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && (!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical))) && ((pumpRunning == \old(pumpRunning) || !(methaneLevelCritical == 0)) || 0 == systemActive) - InvariantResult [Line: 623]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && methaneLevelCritical == 0) && \result == 1) && tmp == 1) && splverifierCounter == 0) || ((((pumpRunning == 0 && 1 <= methaneLevelCritical) && \result == 1) && tmp == 1) && splverifierCounter == 0) - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 156]: Loop Invariant Derived loop invariant: (((!(1 <= methaneLevelCritical) || 0 == systemActive) && (!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0))) && (!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical))) && (!(methaneLevelCritical == 0) || 0 == systemActive) - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && 2 <= waterLevel) && methaneLevelCritical == tmp)) || 0 == systemActive) && ((2 <= waterLevel || !(methaneLevelCritical == 0)) || 0 == systemActive) - InvariantResult [Line: 315]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 664]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && methaneLevelCritical == 0) && tmp == 1) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && (((pumpRunning == 0 && \result == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && \result == 0) && \old(waterLevel) == waterLevel))) && (!(methaneLevelCritical == 0) || 0 == systemActive) - InvariantResult [Line: 290]: Loop Invariant Derived loop invariant: (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel) || ((1 <= \result && pumpRunning == \old(pumpRunning)) && pumpRunning == 0)) || !(methaneLevelCritical == 0)) || 0 == systemActive) && ((((!(\old(pumpRunning) == 0) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || (1 <= \result && pumpRunning == 0)) - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive) && ((2 <= waterLevel || !(methaneLevelCritical == 0)) || 0 == systemActive) - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 176]: Loop Invariant Derived loop invariant: ((((!(1 <= methaneLevelCritical) || (pumpRunning == 0 && !(0 == systemActive))) || 0 == systemActive) && (((!(\old(pumpRunning) == 0) || (\old(waterLevel) == waterLevel && !(0 == systemActive))) || !(methaneLevelCritical == 0)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && tmp == 0))) && ((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 <= methaneLevelCritical))) && (((((pumpRunning == \old(pumpRunning) && tmp == 0) || ((pumpRunning == 0 && !(0 == systemActive)) && tmp == 0)) || !(methaneLevelCritical == 0)) || (2 <= waterLevel && tmp == 0)) || 0 == systemActive) - InvariantResult [Line: 324]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2022-11-16 12:05:02,596 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f4ceef6-9476-4362-a43f-aa4854153166/bin/uautomizer-tPACEb0tL8/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