./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product59.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1506cc45-0027-4016-b8e9-73be479fecdd/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1506cc45-0027-4016-b8e9-73be479fecdd/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1506cc45-0027-4016-b8e9-73be479fecdd/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1506cc45-0027-4016-b8e9-73be479fecdd/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product59.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1506cc45-0027-4016-b8e9-73be479fecdd/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1506cc45-0027-4016-b8e9-73be479fecdd/bin/uautomizer-DrprNOufMa --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 5a0a9a5f1521df25ea0ff390c35c7186e45318cd30c225704d83030e156744fb --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 01:25:02,488 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 01:25:02,489 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 01:25:02,519 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 01:25:02,520 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 01:25:02,521 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 01:25:02,522 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 01:25:02,524 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 01:25:02,526 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 01:25:02,527 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 01:25:02,528 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 01:25:02,530 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 01:25:02,530 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 01:25:02,531 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 01:25:02,533 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 01:25:02,534 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 01:25:02,535 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 01:25:02,536 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 01:25:02,538 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 01:25:02,540 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 01:25:02,542 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 01:25:02,544 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 01:25:02,545 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 01:25:02,546 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 01:25:02,550 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 01:25:02,550 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 01:25:02,550 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 01:25:02,551 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 01:25:02,552 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 01:25:02,553 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 01:25:02,553 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 01:25:02,554 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 01:25:02,555 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 01:25:02,555 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 01:25:02,556 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 01:25:02,556 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 01:25:02,557 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 01:25:02,557 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 01:25:02,557 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 01:25:02,558 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 01:25:02,558 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 01:25:02,559 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1506cc45-0027-4016-b8e9-73be479fecdd/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-07 01:25:02,576 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 01:25:02,576 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 01:25:02,577 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 01:25:02,577 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 01:25:02,577 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-07 01:25:02,577 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-07 01:25:02,578 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 01:25:02,578 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 01:25:02,578 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 01:25:02,578 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 01:25:02,578 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-07 01:25:02,579 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-07 01:25:02,579 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-07 01:25:02,579 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 01:25:02,579 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-07 01:25:02,579 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-07 01:25:02,579 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-07 01:25:02,579 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-07 01:25:02,579 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 01:25:02,580 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 01:25:02,580 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-07 01:25:02,580 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 01:25:02,580 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 01:25:02,580 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-07 01:25:02,580 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 01:25:02,580 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 01:25:02,580 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-07 01:25:02,581 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-07 01:25:02,581 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-07 01:25:02,581 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-07 01:25:02,581 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-07 01:25:02,581 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-07 01:25:02,581 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-07 01:25:02,581 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-07 01:25:02,581 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_1506cc45-0027-4016-b8e9-73be479fecdd/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1506cc45-0027-4016-b8e9-73be479fecdd/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a0a9a5f1521df25ea0ff390c35c7186e45318cd30c225704d83030e156744fb [2021-12-07 01:25:02,756 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 01:25:02,771 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 01:25:02,772 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 01:25:02,773 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 01:25:02,774 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 01:25:02,775 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1506cc45-0027-4016-b8e9-73be479fecdd/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/product-lines/minepump_spec1_product59.cil.c [2021-12-07 01:25:02,820 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1506cc45-0027-4016-b8e9-73be479fecdd/bin/uautomizer-DrprNOufMa/data/a332b21c8/24a2dfef55d04c6b83d19afee36ac341/FLAG5b1e13812 [2021-12-07 01:25:03,233 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 01:25:03,234 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1506cc45-0027-4016-b8e9-73be479fecdd/sv-benchmarks/c/product-lines/minepump_spec1_product59.cil.c [2021-12-07 01:25:03,247 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1506cc45-0027-4016-b8e9-73be479fecdd/bin/uautomizer-DrprNOufMa/data/a332b21c8/24a2dfef55d04c6b83d19afee36ac341/FLAG5b1e13812 [2021-12-07 01:25:03,256 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1506cc45-0027-4016-b8e9-73be479fecdd/bin/uautomizer-DrprNOufMa/data/a332b21c8/24a2dfef55d04c6b83d19afee36ac341 [2021-12-07 01:25:03,258 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 01:25:03,259 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 01:25:03,260 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 01:25:03,260 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 01:25:03,263 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 01:25:03,263 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:25:03" (1/1) ... [2021-12-07 01:25:03,264 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40dc7b40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:25:03, skipping insertion in model container [2021-12-07 01:25:03,264 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:25:03" (1/1) ... [2021-12-07 01:25:03,269 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 01:25:03,297 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 01:25:03,445 WARN L230 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_1506cc45-0027-4016-b8e9-73be479fecdd/sv-benchmarks/c/product-lines/minepump_spec1_product59.cil.c[3645,3658] [2021-12-07 01:25:03,513 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 01:25:03,520 INFO L203 MainTranslator]: Completed pre-run [2021-12-07 01:25:03,535 WARN L230 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_1506cc45-0027-4016-b8e9-73be479fecdd/sv-benchmarks/c/product-lines/minepump_spec1_product59.cil.c[3645,3658] [2021-12-07 01:25:03,570 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 01:25:03,583 INFO L208 MainTranslator]: Completed translation [2021-12-07 01:25:03,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:25:03 WrapperNode [2021-12-07 01:25:03,584 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 01:25:03,584 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-07 01:25:03,585 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-07 01:25:03,585 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-07 01:25:03,590 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:25:03" (1/1) ... [2021-12-07 01:25:03,604 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:25:03" (1/1) ... [2021-12-07 01:25:03,630 INFO L137 Inliner]: procedures = 57, calls = 158, calls flagged for inlining = 24, calls inlined = 21, statements flattened = 271 [2021-12-07 01:25:03,630 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-07 01:25:03,631 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-07 01:25:03,631 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-07 01:25:03,631 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-07 01:25:03,639 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:25:03" (1/1) ... [2021-12-07 01:25:03,639 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:25:03" (1/1) ... [2021-12-07 01:25:03,642 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:25:03" (1/1) ... [2021-12-07 01:25:03,642 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:25:03" (1/1) ... [2021-12-07 01:25:03,649 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:25:03" (1/1) ... [2021-12-07 01:25:03,653 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:25:03" (1/1) ... [2021-12-07 01:25:03,655 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:25:03" (1/1) ... [2021-12-07 01:25:03,659 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-07 01:25:03,660 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-07 01:25:03,660 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-07 01:25:03,660 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-07 01:25:03,661 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:25:03" (1/1) ... [2021-12-07 01:25:03,668 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-07 01:25:03,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1506cc45-0027-4016-b8e9-73be479fecdd/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:25:03,689 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1506cc45-0027-4016-b8e9-73be479fecdd/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-07 01:25:03,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1506cc45-0027-4016-b8e9-73be479fecdd/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-07 01:25:03,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-07 01:25:03,726 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-12-07 01:25:03,726 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-12-07 01:25:03,726 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-12-07 01:25:03,726 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-12-07 01:25:03,727 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-12-07 01:25:03,727 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-12-07 01:25:03,727 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-12-07 01:25:03,727 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-12-07 01:25:03,727 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2021-12-07 01:25:03,727 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2021-12-07 01:25:03,728 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-12-07 01:25:03,728 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-12-07 01:25:03,728 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-12-07 01:25:03,728 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-12-07 01:25:03,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-07 01:25:03,728 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-12-07 01:25:03,728 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-12-07 01:25:03,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-07 01:25:03,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-07 01:25:03,796 INFO L236 CfgBuilder]: Building ICFG [2021-12-07 01:25:03,797 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-07 01:25:04,017 INFO L277 CfgBuilder]: Performing block encoding [2021-12-07 01:25:04,024 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-07 01:25:04,024 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-07 01:25:04,025 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:25:04 BoogieIcfgContainer [2021-12-07 01:25:04,025 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-07 01:25:04,027 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-07 01:25:04,027 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-07 01:25:04,029 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-07 01:25:04,029 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 01:25:03" (1/3) ... [2021-12-07 01:25:04,030 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dc900f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:25:04, skipping insertion in model container [2021-12-07 01:25:04,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:25:03" (2/3) ... [2021-12-07 01:25:04,030 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dc900f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:25:04, skipping insertion in model container [2021-12-07 01:25:04,030 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:25:04" (3/3) ... [2021-12-07 01:25:04,031 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product59.cil.c [2021-12-07 01:25:04,035 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-07 01:25:04,035 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-07 01:25:04,069 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-07 01:25:04,074 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-07 01:25:04,074 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-07 01:25:04,088 INFO L276 IsEmpty]: Start isEmpty. Operand has 98 states, 74 states have (on average 1.3783783783783783) internal successors, (102), 83 states have internal predecessors, (102), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) [2021-12-07 01:25:04,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-12-07 01:25:04,093 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:25:04,094 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:25:04,094 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:25:04,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:25:04,099 INFO L85 PathProgramCache]: Analyzing trace with hash 896796979, now seen corresponding path program 1 times [2021-12-07 01:25:04,105 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:25:04,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726753625] [2021-12-07 01:25:04,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:25:04,106 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:25:04,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:25:04,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-07 01:25:04,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:25:04,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:25:04,256 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:25:04,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726753625] [2021-12-07 01:25:04,257 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726753625] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:25:04,258 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:25:04,258 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-07 01:25:04,259 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253970509] [2021-12-07 01:25:04,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:25:04,264 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-12-07 01:25:04,264 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:25:04,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-07 01:25:04,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-07 01:25:04,294 INFO L87 Difference]: Start difference. First operand has 98 states, 74 states have (on average 1.3783783783783783) internal successors, (102), 83 states have internal predecessors, (102), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-07 01:25:04,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:25:04,329 INFO L93 Difference]: Finished difference Result 188 states and 255 transitions. [2021-12-07 01:25:04,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-07 01:25:04,331 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2021-12-07 01:25:04,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:25:04,338 INFO L225 Difference]: With dead ends: 188 [2021-12-07 01:25:04,339 INFO L226 Difference]: Without dead ends: 89 [2021-12-07 01:25:04,342 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-07 01:25:04,345 INFO L933 BasicCegarLoop]: 124 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, 124 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 [2021-12-07 01:25:04,346 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 01:25:04,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2021-12-07 01:25:04,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2021-12-07 01:25:04,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 67 states have (on average 1.3134328358208955) internal successors, (88), 75 states have internal predecessors, (88), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2021-12-07 01:25:04,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 115 transitions. [2021-12-07 01:25:04,384 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 115 transitions. Word has length 23 [2021-12-07 01:25:04,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:25:04,384 INFO L470 AbstractCegarLoop]: Abstraction has 89 states and 115 transitions. [2021-12-07 01:25:04,385 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-07 01:25:04,385 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 115 transitions. [2021-12-07 01:25:04,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-12-07 01:25:04,387 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:25:04,387 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:25:04,388 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-07 01:25:04,388 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:25:04,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:25:04,389 INFO L85 PathProgramCache]: Analyzing trace with hash 1625202696, now seen corresponding path program 1 times [2021-12-07 01:25:04,389 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:25:04,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601658499] [2021-12-07 01:25:04,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:25:04,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:25:04,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:25:04,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-07 01:25:04,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:25:04,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:25:04,466 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:25:04,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601658499] [2021-12-07 01:25:04,466 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601658499] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:25:04,467 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:25:04,467 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-07 01:25:04,467 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065764714] [2021-12-07 01:25:04,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:25:04,468 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-07 01:25:04,469 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:25:04,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-07 01:25:04,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 01:25:04,470 INFO L87 Difference]: Start difference. First operand 89 states and 115 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-07 01:25:04,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:25:04,488 INFO L93 Difference]: Finished difference Result 140 states and 180 transitions. [2021-12-07 01:25:04,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-07 01:25:04,488 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2021-12-07 01:25:04,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:25:04,490 INFO L225 Difference]: With dead ends: 140 [2021-12-07 01:25:04,490 INFO L226 Difference]: Without dead ends: 80 [2021-12-07 01:25:04,491 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-07 01:25:04,493 INFO L933 BasicCegarLoop]: 102 mSDtfsCounter, 16 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 183 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 [2021-12-07 01:25:04,494 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [20 Valid, 183 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 01:25:04,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2021-12-07 01:25:04,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2021-12-07 01:25:04,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 61 states have (on average 1.3278688524590163) internal successors, (81), 69 states have internal predecessors, (81), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 8 states have call predecessors, (11), 11 states have call successors, (11) [2021-12-07 01:25:04,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 103 transitions. [2021-12-07 01:25:04,505 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 103 transitions. Word has length 24 [2021-12-07 01:25:04,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:25:04,506 INFO L470 AbstractCegarLoop]: Abstraction has 80 states and 103 transitions. [2021-12-07 01:25:04,506 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-07 01:25:04,506 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 103 transitions. [2021-12-07 01:25:04,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-12-07 01:25:04,507 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:25:04,507 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:25:04,508 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-07 01:25:04,508 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:25:04,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:25:04,509 INFO L85 PathProgramCache]: Analyzing trace with hash 2098135563, now seen corresponding path program 1 times [2021-12-07 01:25:04,509 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:25:04,509 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146263692] [2021-12-07 01:25:04,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:25:04,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:25:04,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:25:04,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-07 01:25:04,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:25:04,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:25:04,582 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:25:04,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146263692] [2021-12-07 01:25:04,582 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146263692] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:25:04,582 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:25:04,583 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 01:25:04,583 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679738260] [2021-12-07 01:25:04,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:25:04,583 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 01:25:04,583 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:25:04,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 01:25:04,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-12-07 01:25:04,584 INFO L87 Difference]: Start difference. First operand 80 states and 103 transitions. Second operand has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 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) [2021-12-07 01:25:04,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:25:04,709 INFO L93 Difference]: Finished difference Result 267 states and 350 transitions. [2021-12-07 01:25:04,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-07 01:25:04,709 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 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 28 [2021-12-07 01:25:04,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:25:04,711 INFO L225 Difference]: With dead ends: 267 [2021-12-07 01:25:04,711 INFO L226 Difference]: Without dead ends: 194 [2021-12-07 01:25:04,712 INFO L932 BasicCegarLoop]: 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 [2021-12-07 01:25:04,713 INFO L933 BasicCegarLoop]: 126 mSDtfsCounter, 277 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 277 SdHoareTripleChecker+Valid, 459 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-07 01:25:04,714 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [277 Valid, 459 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-07 01:25:04,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2021-12-07 01:25:04,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 188. [2021-12-07 01:25:04,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 141 states have (on average 1.3546099290780143) internal successors, (191), 159 states have internal predecessors, (191), 27 states have call successors, (27), 19 states have call predecessors, (27), 19 states have return successors, (28), 19 states have call predecessors, (28), 27 states have call successors, (28) [2021-12-07 01:25:04,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 246 transitions. [2021-12-07 01:25:04,736 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 246 transitions. Word has length 28 [2021-12-07 01:25:04,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:25:04,741 INFO L470 AbstractCegarLoop]: Abstraction has 188 states and 246 transitions. [2021-12-07 01:25:04,742 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 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) [2021-12-07 01:25:04,742 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 246 transitions. [2021-12-07 01:25:04,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-12-07 01:25:04,743 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:25:04,743 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:25:04,744 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-07 01:25:04,744 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:25:04,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:25:04,744 INFO L85 PathProgramCache]: Analyzing trace with hash -440127999, now seen corresponding path program 1 times [2021-12-07 01:25:04,744 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:25:04,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320191146] [2021-12-07 01:25:04,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:25:04,745 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:25:04,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:25:04,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-07 01:25:04,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:25:04,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:25:04,811 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:25:04,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320191146] [2021-12-07 01:25:04,812 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320191146] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:25:04,812 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:25:04,812 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 01:25:04,812 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028273362] [2021-12-07 01:25:04,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:25:04,813 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 01:25:04,813 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:25:04,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 01:25:04,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 01:25:04,813 INFO L87 Difference]: Start difference. First operand 188 states and 246 transitions. Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-07 01:25:04,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:25:04,897 INFO L93 Difference]: Finished difference Result 551 states and 734 transitions. [2021-12-07 01:25:04,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 01:25:04,897 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 32 [2021-12-07 01:25:04,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:25:04,902 INFO L225 Difference]: With dead ends: 551 [2021-12-07 01:25:04,902 INFO L226 Difference]: Without dead ends: 370 [2021-12-07 01:25:04,903 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:25:04,905 INFO L933 BasicCegarLoop]: 111 mSDtfsCounter, 74 mSDsluCounter, 393 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 504 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 01:25:04,906 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [77 Valid, 504 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 01:25:04,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2021-12-07 01:25:04,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 361. [2021-12-07 01:25:04,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 268 states have (on average 1.3395522388059702) internal successors, (359), 303 states have internal predecessors, (359), 54 states have call successors, (54), 38 states have call predecessors, (54), 38 states have return successors, (59), 38 states have call predecessors, (59), 54 states have call successors, (59) [2021-12-07 01:25:04,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 472 transitions. [2021-12-07 01:25:04,949 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 472 transitions. Word has length 32 [2021-12-07 01:25:04,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:25:04,950 INFO L470 AbstractCegarLoop]: Abstraction has 361 states and 472 transitions. [2021-12-07 01:25:04,950 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-12-07 01:25:04,950 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 472 transitions. [2021-12-07 01:25:04,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-12-07 01:25:04,953 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:25:04,953 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:25:04,954 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-07 01:25:04,954 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:25:04,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:25:04,954 INFO L85 PathProgramCache]: Analyzing trace with hash -1869434011, now seen corresponding path program 1 times [2021-12-07 01:25:04,954 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:25:04,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2034353654] [2021-12-07 01:25:04,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:25:04,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:25:04,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:25:05,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-07 01:25:05,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:25:05,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-07 01:25:05,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:25:05,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:25:05,015 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:25:05,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2034353654] [2021-12-07 01:25:05,015 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2034353654] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:25:05,015 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:25:05,015 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 01:25:05,015 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239929357] [2021-12-07 01:25:05,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:25:05,016 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 01:25:05,016 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:25:05,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 01:25:05,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 01:25:05,016 INFO L87 Difference]: Start difference. First operand 361 states and 472 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-07 01:25:05,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:25:05,203 INFO L93 Difference]: Finished difference Result 882 states and 1178 transitions. [2021-12-07 01:25:05,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-12-07 01:25:05,203 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 36 [2021-12-07 01:25:05,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:25:05,208 INFO L225 Difference]: With dead ends: 882 [2021-12-07 01:25:05,208 INFO L226 Difference]: Without dead ends: 528 [2021-12-07 01:25:05,210 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-12-07 01:25:05,212 INFO L933 BasicCegarLoop]: 95 mSDtfsCounter, 124 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-07 01:25:05,212 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [129 Valid, 240 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-07 01:25:05,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2021-12-07 01:25:05,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 509. [2021-12-07 01:25:05,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 509 states, 380 states have (on average 1.2842105263157895) internal successors, (488), 417 states have internal predecessors, (488), 68 states have call successors, (68), 60 states have call predecessors, (68), 60 states have return successors, (93), 62 states have call predecessors, (93), 68 states have call successors, (93) [2021-12-07 01:25:05,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 509 states and 649 transitions. [2021-12-07 01:25:05,257 INFO L78 Accepts]: Start accepts. Automaton has 509 states and 649 transitions. Word has length 36 [2021-12-07 01:25:05,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:25:05,257 INFO L470 AbstractCegarLoop]: Abstraction has 509 states and 649 transitions. [2021-12-07 01:25:05,258 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2021-12-07 01:25:05,258 INFO L276 IsEmpty]: Start isEmpty. Operand 509 states and 649 transitions. [2021-12-07 01:25:05,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-12-07 01:25:05,260 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:25:05,261 INFO L514 BasicCegarLoop]: 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] [2021-12-07 01:25:05,261 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-07 01:25:05,261 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:25:05,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:25:05,261 INFO L85 PathProgramCache]: Analyzing trace with hash 1110744655, now seen corresponding path program 1 times [2021-12-07 01:25:05,262 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:25:05,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606431056] [2021-12-07 01:25:05,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:25:05,262 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:25:05,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:25:05,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-07 01:25:05,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:25:05,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-07 01:25:05,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:25:05,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-07 01:25:05,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:25:05,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-07 01:25:05,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:25:05,331 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-07 01:25:05,331 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:25:05,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606431056] [2021-12-07 01:25:05,332 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606431056] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:25:05,332 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:25:05,332 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-07 01:25:05,332 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264622141] [2021-12-07 01:25:05,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:25:05,333 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-07 01:25:05,333 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:25:05,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-07 01:25:05,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-12-07 01:25:05,334 INFO L87 Difference]: Start difference. First operand 509 states and 649 transitions. Second operand has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-07 01:25:05,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:25:05,518 INFO L93 Difference]: Finished difference Result 1125 states and 1470 transitions. [2021-12-07 01:25:05,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 01:25:05,519 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 54 [2021-12-07 01:25:05,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:25:05,523 INFO L225 Difference]: With dead ends: 1125 [2021-12-07 01:25:05,524 INFO L226 Difference]: Without dead ends: 623 [2021-12-07 01:25:05,526 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-12-07 01:25:05,527 INFO L933 BasicCegarLoop]: 86 mSDtfsCounter, 133 mSDsluCounter, 163 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 312 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-07 01:25:05,527 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [134 Valid, 249 Invalid, 312 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-07 01:25:05,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 623 states. [2021-12-07 01:25:05,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 623 to 601. [2021-12-07 01:25:05,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 601 states, 452 states have (on average 1.252212389380531) internal successors, (566), 489 states have internal predecessors, (566), 76 states have call successors, (76), 60 states have call predecessors, (76), 72 states have return successors, (113), 78 states have call predecessors, (113), 76 states have call successors, (113) [2021-12-07 01:25:05,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 755 transitions. [2021-12-07 01:25:05,574 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 755 transitions. Word has length 54 [2021-12-07 01:25:05,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:25:05,575 INFO L470 AbstractCegarLoop]: Abstraction has 601 states and 755 transitions. [2021-12-07 01:25:05,575 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-07 01:25:05,575 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 755 transitions. [2021-12-07 01:25:05,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-12-07 01:25:05,576 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:25:05,576 INFO L514 BasicCegarLoop]: 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] [2021-12-07 01:25:05,577 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-07 01:25:05,577 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:25:05,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:25:05,577 INFO L85 PathProgramCache]: Analyzing trace with hash 1172784269, now seen corresponding path program 1 times [2021-12-07 01:25:05,577 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:25:05,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738073693] [2021-12-07 01:25:05,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:25:05,578 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:25:05,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:25:05,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-07 01:25:05,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:25:05,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-07 01:25:05,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:25:05,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-07 01:25:05,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:25:05,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-07 01:25:05,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:25:05,625 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-07 01:25:05,625 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:25:05,625 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738073693] [2021-12-07 01:25:05,625 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738073693] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:25:05,625 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:25:05,625 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 01:25:05,626 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277810554] [2021-12-07 01:25:05,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:25:05,626 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 01:25:05,626 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:25:05,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 01:25:05,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 01:25:05,626 INFO L87 Difference]: Start difference. First operand 601 states and 755 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-07 01:25:05,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:25:05,769 INFO L93 Difference]: Finished difference Result 1229 states and 1584 transitions. [2021-12-07 01:25:05,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 01:25:05,769 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 54 [2021-12-07 01:25:05,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:25:05,773 INFO L225 Difference]: With dead ends: 1229 [2021-12-07 01:25:05,773 INFO L226 Difference]: Without dead ends: 635 [2021-12-07 01:25:05,775 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-12-07 01:25:05,775 INFO L933 BasicCegarLoop]: 87 mSDtfsCounter, 137 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-07 01:25:05,776 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [138 Valid, 211 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-07 01:25:05,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 635 states. [2021-12-07 01:25:05,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 635 to 609. [2021-12-07 01:25:05,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 609 states, 460 states have (on average 1.2478260869565216) internal successors, (574), 497 states have internal predecessors, (574), 76 states have call successors, (76), 60 states have call predecessors, (76), 72 states have return successors, (113), 78 states have call predecessors, (113), 76 states have call successors, (113) [2021-12-07 01:25:05,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 609 states and 763 transitions. [2021-12-07 01:25:05,809 INFO L78 Accepts]: Start accepts. Automaton has 609 states and 763 transitions. Word has length 54 [2021-12-07 01:25:05,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:25:05,810 INFO L470 AbstractCegarLoop]: Abstraction has 609 states and 763 transitions. [2021-12-07 01:25:05,810 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2021-12-07 01:25:05,810 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 763 transitions. [2021-12-07 01:25:05,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-12-07 01:25:05,811 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:25:05,811 INFO L514 BasicCegarLoop]: 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] [2021-12-07 01:25:05,811 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-07 01:25:05,812 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:25:05,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:25:05,812 INFO L85 PathProgramCache]: Analyzing trace with hash 663311179, now seen corresponding path program 1 times [2021-12-07 01:25:05,812 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:25:05,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452758371] [2021-12-07 01:25:05,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:25:05,812 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:25:05,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:25:05,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2021-12-07 01:25:05,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:25:05,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-12-07 01:25:05,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:25:05,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-07 01:25:05,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:25:05,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2021-12-07 01:25:05,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:25:05,863 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-07 01:25:05,863 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:25:05,863 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452758371] [2021-12-07 01:25:05,864 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452758371] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:25:05,864 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-07 01:25:05,864 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-07 01:25:05,864 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768820599] [2021-12-07 01:25:05,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:25:05,864 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 01:25:05,864 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:25:05,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 01:25:05,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-12-07 01:25:05,865 INFO L87 Difference]: Start difference. First operand 609 states and 763 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 4 states have internal predecessors, (43), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-12-07 01:25:06,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:25:06,132 INFO L93 Difference]: Finished difference Result 1817 states and 2376 transitions. [2021-12-07 01:25:06,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-07 01:25:06,132 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 4 states have internal predecessors, (43), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 54 [2021-12-07 01:25:06,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:25:06,138 INFO L225 Difference]: With dead ends: 1817 [2021-12-07 01:25:06,139 INFO L226 Difference]: Without dead ends: 1215 [2021-12-07 01:25:06,141 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-12-07 01:25:06,142 INFO L933 BasicCegarLoop]: 134 mSDtfsCounter, 320 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 248 mSolverCounterSat, 126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 323 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 126 IncrementalHoareTripleChecker+Valid, 248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2021-12-07 01:25:06,142 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [323 Valid, 271 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [126 Valid, 248 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2021-12-07 01:25:06,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1215 states. [2021-12-07 01:25:06,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1215 to 1203. [2021-12-07 01:25:06,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1203 states, 904 states have (on average 1.2234513274336283) internal successors, (1106), 965 states have internal predecessors, (1106), 154 states have call successors, (154), 142 states have call predecessors, (154), 144 states have return successors, (257), 150 states have call predecessors, (257), 154 states have call successors, (257) [2021-12-07 01:25:06,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1203 states to 1203 states and 1517 transitions. [2021-12-07 01:25:06,235 INFO L78 Accepts]: Start accepts. Automaton has 1203 states and 1517 transitions. Word has length 54 [2021-12-07 01:25:06,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:25:06,235 INFO L470 AbstractCegarLoop]: Abstraction has 1203 states and 1517 transitions. [2021-12-07 01:25:06,235 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 4 states have internal predecessors, (43), 3 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2021-12-07 01:25:06,235 INFO L276 IsEmpty]: Start isEmpty. Operand 1203 states and 1517 transitions. [2021-12-07 01:25:06,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-12-07 01:25:06,238 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:25:06,238 INFO L514 BasicCegarLoop]: 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] [2021-12-07 01:25:06,238 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-07 01:25:06,239 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:25:06,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:25:06,239 INFO L85 PathProgramCache]: Analyzing trace with hash 740773105, now seen corresponding path program 1 times [2021-12-07 01:25:06,239 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:25:06,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212335761] [2021-12-07 01:25:06,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:25:06,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:25:06,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:25:06,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 01:25:06,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:25:06,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2021-12-07 01:25:06,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:25:06,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2021-12-07 01:25:06,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:25:06,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-07 01:25:06,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:25:06,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-07 01:25:06,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:25:06,341 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-07 01:25:06,341 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:25:06,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212335761] [2021-12-07 01:25:06,341 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212335761] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 01:25:06,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [417682654] [2021-12-07 01:25:06,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:25:06,341 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:25:06,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1506cc45-0027-4016-b8e9-73be479fecdd/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:25:06,342 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1506cc45-0027-4016-b8e9-73be479fecdd/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 01:25:06,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1506cc45-0027-4016-b8e9-73be479fecdd/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-07 01:25:06,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:25:06,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-07 01:25:06,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:25:06,604 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:25:06,604 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 01:25:06,604 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [417682654] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:25:06,605 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-07 01:25:06,605 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [14] total 18 [2021-12-07 01:25:06,605 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938967130] [2021-12-07 01:25:06,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:25:06,606 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-07 01:25:06,606 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:25:06,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-07 01:25:06,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2021-12-07 01:25:06,607 INFO L87 Difference]: Start difference. First operand 1203 states and 1517 transitions. Second operand has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 6 states have internal predecessors, (47), 3 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2021-12-07 01:25:06,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:25:06,729 INFO L93 Difference]: Finished difference Result 2357 states and 2985 transitions. [2021-12-07 01:25:06,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-07 01:25:06,729 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 6 states have internal predecessors, (47), 3 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) Word has length 58 [2021-12-07 01:25:06,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:25:06,735 INFO L225 Difference]: With dead ends: 2357 [2021-12-07 01:25:06,735 INFO L226 Difference]: Without dead ends: 1161 [2021-12-07 01:25:06,739 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2021-12-07 01:25:06,739 INFO L933 BasicCegarLoop]: 187 mSDtfsCounter, 78 mSDsluCounter, 354 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 541 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-07 01:25:06,740 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [80 Valid, 541 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-07 01:25:06,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1161 states. [2021-12-07 01:25:06,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1161 to 1157. [2021-12-07 01:25:06,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1157 states, 868 states have (on average 1.2085253456221199) internal successors, (1049), 927 states have internal predecessors, (1049), 150 states have call successors, (150), 138 states have call predecessors, (150), 138 states have return successors, (224), 144 states have call predecessors, (224), 150 states have call successors, (224) [2021-12-07 01:25:06,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 1157 states and 1423 transitions. [2021-12-07 01:25:06,792 INFO L78 Accepts]: Start accepts. Automaton has 1157 states and 1423 transitions. Word has length 58 [2021-12-07 01:25:06,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:25:06,792 INFO L470 AbstractCegarLoop]: Abstraction has 1157 states and 1423 transitions. [2021-12-07 01:25:06,793 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 6 states have internal predecessors, (47), 3 states have call successors, (6), 3 states have call predecessors, (6), 4 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2021-12-07 01:25:06,797 INFO L276 IsEmpty]: Start isEmpty. Operand 1157 states and 1423 transitions. [2021-12-07 01:25:06,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-12-07 01:25:06,800 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:25:06,801 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:25:06,835 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1506cc45-0027-4016-b8e9-73be479fecdd/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-07 01:25:07,001 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1506cc45-0027-4016-b8e9-73be479fecdd/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:25:07,002 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:25:07,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:25:07,003 INFO L85 PathProgramCache]: Analyzing trace with hash 2065692327, now seen corresponding path program 1 times [2021-12-07 01:25:07,003 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:25:07,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432721586] [2021-12-07 01:25:07,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:25:07,003 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:25:07,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:25:07,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 01:25:07,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:25:07,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-07 01:25:07,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:25:07,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 01:25:07,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:25:07,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-07 01:25:07,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:25:07,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 01:25:07,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:25:07,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-07 01:25:07,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:25:07,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-07 01:25:07,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:25:07,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 01:25:07,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:25:07,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-07 01:25:07,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:25:07,158 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-12-07 01:25:07,158 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:25:07,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432721586] [2021-12-07 01:25:07,159 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432721586] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 01:25:07,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1727884632] [2021-12-07 01:25:07,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:25:07,159 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:25:07,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1506cc45-0027-4016-b8e9-73be479fecdd/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:25:07,160 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1506cc45-0027-4016-b8e9-73be479fecdd/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 01:25:07,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1506cc45-0027-4016-b8e9-73be479fecdd/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-07 01:25:07,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:25:07,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-07 01:25:07,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:25:07,342 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-07 01:25:07,342 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 01:25:07,342 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1727884632] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:25:07,342 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-07 01:25:07,342 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 10 [2021-12-07 01:25:07,343 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665510501] [2021-12-07 01:25:07,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:25:07,343 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-07 01:25:07,343 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:25:07,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-07 01:25:07,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-12-07 01:25:07,344 INFO L87 Difference]: Start difference. First operand 1157 states and 1423 transitions. Second operand has 6 states, 6 states have (on average 12.5) internal successors, (75), 6 states have internal predecessors, (75), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2021-12-07 01:25:07,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:25:07,518 INFO L93 Difference]: Finished difference Result 3043 states and 3934 transitions. [2021-12-07 01:25:07,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-07 01:25:07,518 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 6 states have internal predecessors, (75), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 96 [2021-12-07 01:25:07,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:25:07,528 INFO L225 Difference]: With dead ends: 3043 [2021-12-07 01:25:07,529 INFO L226 Difference]: Without dead ends: 2137 [2021-12-07 01:25:07,532 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 112 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2021-12-07 01:25:07,533 INFO L933 BasicCegarLoop]: 197 mSDtfsCounter, 179 mSDsluCounter, 554 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 751 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-12-07 01:25:07,533 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [182 Valid, 751 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-12-07 01:25:07,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2137 states. [2021-12-07 01:25:07,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2137 to 1785. [2021-12-07 01:25:07,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1785 states, 1336 states have (on average 1.2050898203592815) internal successors, (1610), 1427 states have internal predecessors, (1610), 234 states have call successors, (234), 198 states have call predecessors, (234), 214 states have return successors, (391), 224 states have call predecessors, (391), 234 states have call successors, (391) [2021-12-07 01:25:07,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1785 states to 1785 states and 2235 transitions. [2021-12-07 01:25:07,628 INFO L78 Accepts]: Start accepts. Automaton has 1785 states and 2235 transitions. Word has length 96 [2021-12-07 01:25:07,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:25:07,628 INFO L470 AbstractCegarLoop]: Abstraction has 1785 states and 2235 transitions. [2021-12-07 01:25:07,629 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 6 states have internal predecessors, (75), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2021-12-07 01:25:07,629 INFO L276 IsEmpty]: Start isEmpty. Operand 1785 states and 2235 transitions. [2021-12-07 01:25:07,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-12-07 01:25:07,632 INFO L506 BasicCegarLoop]: Found error trace [2021-12-07 01:25:07,632 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:25:07,666 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1506cc45-0027-4016-b8e9-73be479fecdd/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-12-07 01:25:07,833 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1506cc45-0027-4016-b8e9-73be479fecdd/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-12-07 01:25:07,833 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-07 01:25:07,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:25:07,834 INFO L85 PathProgramCache]: Analyzing trace with hash 260253993, now seen corresponding path program 1 times [2021-12-07 01:25:07,834 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:25:07,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978197784] [2021-12-07 01:25:07,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:25:07,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:25:07,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:25:07,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-07 01:25:07,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:25:07,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-12-07 01:25:07,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:25:07,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-07 01:25:07,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:25:07,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2021-12-07 01:25:07,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:25:07,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-07 01:25:07,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:25:07,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-12-07 01:25:07,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:25:07,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-12-07 01:25:07,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:25:07,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-07 01:25:07,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:25:07,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-12-07 01:25:07,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:25:07,921 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-12-07 01:25:07,921 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-07 01:25:07,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978197784] [2021-12-07 01:25:07,921 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978197784] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-07 01:25:07,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [549775052] [2021-12-07 01:25:07,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:25:07,922 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:25:07,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1506cc45-0027-4016-b8e9-73be479fecdd/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:25:07,924 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1506cc45-0027-4016-b8e9-73be479fecdd/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-07 01:25:07,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1506cc45-0027-4016-b8e9-73be479fecdd/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-07 01:25:07,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:25:07,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-07 01:25:07,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:25:08,084 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-12-07 01:25:08,084 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-07 01:25:08,084 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [549775052] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-07 01:25:08,084 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-07 01:25:08,085 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 12 [2021-12-07 01:25:08,085 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403105500] [2021-12-07 01:25:08,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-07 01:25:08,085 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-07 01:25:08,085 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-07 01:25:08,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-07 01:25:08,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-12-07 01:25:08,086 INFO L87 Difference]: Start difference. First operand 1785 states and 2235 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-07 01:25:08,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-07 01:25:08,139 INFO L93 Difference]: Finished difference Result 2505 states and 3119 transitions. [2021-12-07 01:25:08,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-07 01:25:08,140 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 96 [2021-12-07 01:25:08,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-07 01:25:08,140 INFO L225 Difference]: With dead ends: 2505 [2021-12-07 01:25:08,141 INFO L226 Difference]: Without dead ends: 0 [2021-12-07 01:25:08,151 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2021-12-07 01:25:08,152 INFO L933 BasicCegarLoop]: 102 mSDtfsCounter, 33 mSDsluCounter, 269 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-07 01:25:08,152 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [33 Valid, 371 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-07 01:25:08,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-07 01:25:08,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-07 01:25:08,153 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) [2021-12-07 01:25:08,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-07 01:25:08,153 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 96 [2021-12-07 01:25:08,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-07 01:25:08,153 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-07 01:25:08,153 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-12-07 01:25:08,154 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-07 01:25:08,154 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-07 01:25:08,155 INFO L764 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-07 01:25:08,189 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1506cc45-0027-4016-b8e9-73be479fecdd/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2021-12-07 01:25:08,356 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1506cc45-0027-4016-b8e9-73be479fecdd/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-07 01:25:08,357 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-07 01:25:11,450 INFO L854 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 383 390) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (<= 1 ~waterLevel~0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2) (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2))) [2021-12-07 01:25:11,450 INFO L858 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 383 390) no Hoare annotation was computed. [2021-12-07 01:25:11,450 INFO L858 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 383 390) no Hoare annotation was computed. [2021-12-07 01:25:11,450 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 298 304) no Hoare annotation was computed. [2021-12-07 01:25:11,450 INFO L861 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 298 304) the Hoare annotation is: true [2021-12-07 01:25:11,450 INFO L854 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 84 95) the Hoare annotation is: (let ((.cse1 (not (= ~pumpRunning~0 0))) (.cse2 (not (<= 1 ~waterLevel~0))) (.cse0 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse3 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse3 (not (<= 1 |old(~methaneLevelCritical~0)|))) (or .cse0 .cse3 (not (<= 2 ~waterLevel~0)) (= 0 ~systemActive~0)))) [2021-12-07 01:25:11,450 INFO L858 garLoopResultBuilder]: For program point L88-1(lines 84 95) no Hoare annotation was computed. [2021-12-07 01:25:11,450 INFO L858 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 84 95) no Hoare annotation was computed. [2021-12-07 01:25:11,450 INFO L858 garLoopResultBuilder]: For program point cleanupEXIT(lines 906 935) no Hoare annotation was computed. [2021-12-07 01:25:11,450 INFO L858 garLoopResultBuilder]: For program point L927(line 927) no Hoare annotation was computed. [2021-12-07 01:25:11,450 INFO L861 garLoopResultBuilder]: At program point cleanupENTRY(lines 906 935) the Hoare annotation is: true [2021-12-07 01:25:11,451 INFO L858 garLoopResultBuilder]: For program point L920(lines 920 924) no Hoare annotation was computed. [2021-12-07 01:25:11,451 INFO L861 garLoopResultBuilder]: At program point L920-1(lines 920 924) the Hoare annotation is: true [2021-12-07 01:25:11,451 INFO L858 garLoopResultBuilder]: For program point L917(line 917) no Hoare annotation was computed. [2021-12-07 01:25:11,451 INFO L861 garLoopResultBuilder]: At program point L916-2(lines 916 930) the Hoare annotation is: true [2021-12-07 01:25:11,451 INFO L861 garLoopResultBuilder]: At program point L912(line 912) the Hoare annotation is: true [2021-12-07 01:25:11,451 INFO L858 garLoopResultBuilder]: For program point L912-1(line 912) no Hoare annotation was computed. [2021-12-07 01:25:11,451 INFO L861 garLoopResultBuilder]: At program point L931(lines 906 935) the Hoare annotation is: true [2021-12-07 01:25:11,451 INFO L854 garLoopResultBuilder]: At program point L481(lines 466 484) the Hoare annotation is: (let ((.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (<= 1 |old(~waterLevel~0)|))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |timeShift_isLowWaterSensorDry_#res#1| 0) (<= 1 |timeShift_isLowWaterLevel_#res#1|) (<= 1 |timeShift_isLowWaterLevel_~tmp___0~3#1|) (<= 1 ~waterLevel~0) (= |timeShift_isLowWaterLevel_~tmp~6#1| 0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (= 0 ~systemActive~0)) (.cse3 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6) (or .cse4 .cse5 .cse1) (or .cse0 .cse6 .cse2 .cse3))) [2021-12-07 01:25:11,451 INFO L858 garLoopResultBuilder]: For program point L64(lines 64 68) no Hoare annotation was computed. [2021-12-07 01:25:11,451 INFO L854 garLoopResultBuilder]: At program point L64-2(lines 60 71) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 ~waterLevel~0))) (.cse2 (= 0 ~systemActive~0)) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (<= 1 |old(~waterLevel~0)|))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse0) (or .cse6 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6))) [2021-12-07 01:25:11,451 INFO L854 garLoopResultBuilder]: At program point L407(lines 402 410) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= 1 |old(~waterLevel~0)|))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= |timeShift_isPumpRunning_#res#1| 0)) (.cse7 (= 0 ~systemActive~0)) (.cse5 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 (and .cse2 .cse3) .cse4) (or .cse0 (<= 2 ~waterLevel~0) .cse4 .cse5) (or .cse6 .cse7 .cse5) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse4 (= ~waterLevel~0 1)) (or .cse0 .cse1 .cse6) (or .cse4 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse2) (and (= |timeShift_isLowWaterSensorDry_#res#1| 0) .cse2 .cse3 (<= 1 |timeShift_processEnvironment_~tmp~3#1|) (<= 1 |timeShift_isLowWaterLevel_#res#1|) (<= 1 |timeShift_isLowWaterLevel_~tmp___0~3#1|) (<= 1 ~waterLevel~0) (= |timeShift_isLowWaterLevel_~tmp~6#1| 0)) .cse7 .cse5))) [2021-12-07 01:25:11,451 INFO L858 garLoopResultBuilder]: For program point timeShiftFINAL(lines 274 297) no Hoare annotation was computed. [2021-12-07 01:25:11,451 INFO L858 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2021-12-07 01:25:11,452 INFO L854 garLoopResultBuilder]: At program point L156(lines 151 159) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= 1 |old(~waterLevel~0)|))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse3 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |timeShift_isLowWaterSensorDry_#res#1| 0) (<= 1 ~waterLevel~0))) (.cse4 (= 0 ~systemActive~0)) (.cse5 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2) (or .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse6) (or .cse6 .cse3 .cse4 .cse5))) [2021-12-07 01:25:11,452 INFO L854 garLoopResultBuilder]: At program point L346(line 346) the Hoare annotation is: (let ((.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (<= 1 |old(~waterLevel~0)|))) (.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5) (or .cse3 .cse4 .cse0) (or .cse5 .cse1 .cse2))) [2021-12-07 01:25:11,452 INFO L854 garLoopResultBuilder]: At program point L342(line 342) the Hoare annotation is: (let ((.cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |timeShift_isLowWaterSensorDry_#res#1| 0) (<= 1 |timeShift_processEnvironment_~tmp~3#1|) (<= 1 |timeShift_isLowWaterLevel_#res#1|) (<= 1 |timeShift_isLowWaterLevel_~tmp___0~3#1|) (<= 1 ~waterLevel~0) (= |timeShift_isLowWaterLevel_~tmp~6#1| 0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (= 0 ~systemActive~0)) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (<= 1 |old(~waterLevel~0)|))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6) (or .cse0 .cse6 .cse2 .cse3) (or .cse4 .cse5 .cse1))) [2021-12-07 01:25:11,452 INFO L854 garLoopResultBuilder]: At program point L169(line 169) the Hoare annotation is: (let ((.cse11 (= ~methaneLevelCritical~0 0)) (.cse10 (<= 2 ~waterLevel~0)) (.cse3 (= 0 ~systemActive~0)) (.cse1 (= ~pumpRunning~0 0))) (let ((.cse2 (and (= |timeShift_isLowWaterSensorDry_#res#1| 0) .cse1 (<= 1 |timeShift_processEnvironment_~tmp~3#1|) (<= 1 |timeShift_isLowWaterLevel_#res#1|) (<= 1 |timeShift_isLowWaterLevel_~tmp___0~3#1|) (<= 1 ~waterLevel~0) (= |timeShift_isLowWaterLevel_~tmp~6#1| 0))) (.cse8 (and .cse11 .cse10 (not .cse3))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse9 (not .cse11)) (.cse7 (= ~waterLevel~0 1))) (and (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse0 (and .cse1 .cse7)) (or .cse8 .cse9 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse8 (not (<= 1 |old(~waterLevel~0)|)) .cse9) (or .cse5 .cse10 .cse9 .cse4) (or .cse5 .cse0 (and .cse1 .cse10) .cse4) (or .cse5 .cse6 .cse9 .cse7)))) [2021-12-07 01:25:11,452 INFO L858 garLoopResultBuilder]: For program point L169-1(line 169) no Hoare annotation was computed. [2021-12-07 01:25:11,452 INFO L854 garLoopResultBuilder]: At program point L194(lines 189 196) the Hoare annotation is: (let ((.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse4 (not (<= 1 |old(~waterLevel~0)|))) (.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5) (or .cse3 .cse4 .cse0) (or .cse5 .cse1 .cse2))) [2021-12-07 01:25:11,452 INFO L854 garLoopResultBuilder]: At program point L351(line 351) the Hoare annotation is: (let ((.cse9 (= 0 ~systemActive~0))) (let ((.cse4 (= ~waterLevel~0 1)) (.cse1 (not (= |old(~waterLevel~0)| 1))) (.cse8 (<= 2 ~waterLevel~0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not .cse9)) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse7 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (= ~pumpRunning~0 0)) (.cse10 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4)) (or (and .cse3 .cse4 .cse5) .cse0 .cse1 .cse6) (or (and .cse7 .cse3 .cse8) .cse2 .cse9 .cse10) (or .cse0 (and .cse8 .cse5) .cse6 .cse10) (or .cse0 (not (<= 1 |old(~waterLevel~0)|)) .cse2 .cse5) (or .cse6 (and .cse7 .cse3) .cse9 .cse10)))) [2021-12-07 01:25:11,452 INFO L854 garLoopResultBuilder]: At program point L351-1(lines 332 356) the Hoare annotation is: (let ((.cse3 (= 0 ~systemActive~0))) (let ((.cse8 (= ~pumpRunning~0 0)) (.cse13 (= ~methaneLevelCritical~0 0)) (.cse12 (<= 2 ~waterLevel~0)) (.cse9 (not .cse3))) (let ((.cse0 (and .cse13 .cse12 .cse9)) (.cse1 (not .cse13)) (.cse7 (= ~waterLevel~0 1)) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse10 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (and (= |timeShift_isLowWaterSensorDry_#res#1| 0) .cse8 (<= 1 |timeShift_processEnvironment_~tmp~3#1|) (<= 1 |timeShift_isLowWaterLevel_#res#1|) (<= 1 |timeShift_isLowWaterLevel_~tmp___0~3#1|) (<= 1 ~waterLevel~0) (= |timeShift_isLowWaterLevel_~tmp~6#1| 0))) (.cse11 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse8 .cse12 .cse9)) (.cse4 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse1 .cse4) (or .cse5 .cse6 .cse1 .cse7) (or .cse5 .cse0 (not (<= 1 |old(~waterLevel~0)|)) .cse1 (and .cse8 .cse9)) (or .cse5 .cse10 .cse11 .cse4) (or (and .cse8 .cse7 .cse9) .cse5 .cse6 .cse10) (or .cse10 .cse2 .cse11 .cse3 .cse4))))) [2021-12-07 01:25:11,452 INFO L858 garLoopResultBuilder]: For program point L285-1(lines 285 291) no Hoare annotation was computed. [2021-12-07 01:25:11,452 INFO L858 garLoopResultBuilder]: For program point L475(lines 475 479) no Hoare annotation was computed. [2021-12-07 01:25:11,453 INFO L858 garLoopResultBuilder]: For program point L475-2(lines 475 479) no Hoare annotation was computed. [2021-12-07 01:25:11,453 INFO L858 garLoopResultBuilder]: For program point L278-1(lines 277 296) no Hoare annotation was computed. [2021-12-07 01:25:11,453 INFO L858 garLoopResultBuilder]: For program point L340(lines 340 348) no Hoare annotation was computed. [2021-12-07 01:25:11,453 INFO L858 garLoopResultBuilder]: For program point L336(lines 336 353) no Hoare annotation was computed. [2021-12-07 01:25:11,453 INFO L854 garLoopResultBuilder]: At program point timeShiftENTRY(lines 274 297) the Hoare annotation is: (let ((.cse5 (<= 2 ~waterLevel~0))) (let ((.cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse5)) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (= 0 ~systemActive~0)) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse7 (not (= |old(~waterLevel~0)| 1))) (.cse8 (= ~waterLevel~0 1)) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse9 (= ~pumpRunning~0 0)) (.cse10 (not (<= 1 |old(~waterLevel~0)|))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse1 .cse3) (or .cse4 .cse5 .cse6 .cse3) (or .cse4 .cse7 .cse6 .cse8) (or .cse4 .cse9 .cse10 .cse6) (or .cse0 .cse6 .cse2 .cse3) (or .cse4 .cse7 .cse1 .cse8) (or .cse4 .cse9 .cse10 .cse1)))) [2021-12-07 01:25:11,453 INFO L858 garLoopResultBuilder]: For program point L175(lines 175 181) no Hoare annotation was computed. [2021-12-07 01:25:11,453 INFO L858 garLoopResultBuilder]: For program point L171(lines 171 184) no Hoare annotation was computed. [2021-12-07 01:25:11,453 INFO L858 garLoopResultBuilder]: For program point timeShiftEXIT(lines 274 297) no Hoare annotation was computed. [2021-12-07 01:25:11,453 INFO L854 garLoopResultBuilder]: At program point L171-1(lines 163 187) the Hoare annotation is: (let ((.cse16 (= 0 ~systemActive~0))) (let ((.cse18 (= |timeShift___utac_acc__Specification1_spec__1_~tmp~0#1| 0)) (.cse19 (= ~methaneLevelCritical~0 0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse9 (not .cse16))) (let ((.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (= |old(~waterLevel~0)| 1))) (.cse6 (= ~waterLevel~0 1)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (not (<= 1 |old(~waterLevel~0)|))) (.cse17 (and .cse18 .cse19 .cse1 .cse9)) (.cse2 (not .cse19)) (.cse10 (= |timeShift_isLowWaterSensorDry_#res#1| 0)) (.cse7 (= ~pumpRunning~0 0)) (.cse11 (<= 1 |timeShift_processEnvironment_~tmp~3#1|)) (.cse12 (<= 1 |timeShift_isLowWaterLevel_#res#1|)) (.cse13 (<= 1 |timeShift_isLowWaterLevel_~tmp___0~3#1|)) (.cse14 (<= 1 ~waterLevel~0)) (.cse15 (= |timeShift_isLowWaterLevel_~tmp~6#1| 0)) (.cse3 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse0 .cse5 .cse4 .cse6) (or .cse0 .cse7 .cse8 .cse4) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse7 .cse9) .cse4 (and .cse10 .cse7 .cse11 .cse12 .cse13 .cse14 .cse9 .cse15) .cse16 .cse3) (or .cse0 .cse5 .cse2 .cse6) (or .cse0 .cse17 .cse8 (and .cse7 .cse18) .cse2) (or .cse17 .cse2 (and .cse10 .cse7 .cse18 .cse11 .cse12 .cse13 .cse14 .cse15) .cse16 .cse3))))) [2021-12-07 01:25:11,453 INFO L858 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 193) no Hoare annotation was computed. [2021-12-07 01:25:11,453 INFO L861 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 96 104) the Hoare annotation is: true [2021-12-07 01:25:11,453 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 96 104) no Hoare annotation was computed. [2021-12-07 01:25:11,453 INFO L858 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 96 104) no Hoare annotation was computed. [2021-12-07 01:25:11,453 INFO L858 garLoopResultBuilder]: For program point L221(lines 221 227) no Hoare annotation was computed. [2021-12-07 01:25:11,454 INFO L858 garLoopResultBuilder]: For program point L221-1(lines 221 227) no Hoare annotation was computed. [2021-12-07 01:25:11,454 INFO L858 garLoopResultBuilder]: For program point L213(lines 213 217) no Hoare annotation was computed. [2021-12-07 01:25:11,454 INFO L854 garLoopResultBuilder]: At program point L259(lines 210 260) the Hoare annotation is: false [2021-12-07 01:25:11,454 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-12-07 01:25:11,454 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-12-07 01:25:11,454 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-12-07 01:25:11,454 INFO L858 garLoopResultBuilder]: For program point L247(lines 247 253) no Hoare annotation was computed. [2021-12-07 01:25:11,454 INFO L854 garLoopResultBuilder]: At program point L247-2(lines 241 254) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse5 .cse3 (<= 1 ~waterLevel~0)) (and .cse0 .cse1 .cse3 (= ~waterLevel~0 1)) (and .cse5 .cse2 .cse3 .cse4))) [2021-12-07 01:25:11,454 INFO L861 garLoopResultBuilder]: At program point L974(lines 967 976) the Hoare annotation is: true [2021-12-07 01:25:11,454 INFO L854 garLoopResultBuilder]: At program point L491(line 491) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (not (= 0 ~systemActive~0)))) (or (and (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2) (and (<= 1 ~methaneLevelCritical~0) .cse0 .cse1 .cse2))) [2021-12-07 01:25:11,454 INFO L858 garLoopResultBuilder]: For program point L231(lines 231 237) no Hoare annotation was computed. [2021-12-07 01:25:11,454 INFO L858 garLoopResultBuilder]: For program point L231-1(lines 231 237) no Hoare annotation was computed. [2021-12-07 01:25:11,454 INFO L854 garLoopResultBuilder]: At program point L900(lines 895 903) 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)) [2021-12-07 01:25:11,454 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-12-07 01:25:11,454 INFO L854 garLoopResultBuilder]: At program point L256(lines 211 258) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse2 .cse3 (not (= 0 ~systemActive~0))) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse3 (<= 1 ~waterLevel~0)) (and .cse0 .cse1 .cse3 (= ~waterLevel~0 1)))) [2021-12-07 01:25:11,455 INFO L854 garLoopResultBuilder]: At program point L223(line 223) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse2 .cse3 (not (= 0 ~systemActive~0))) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse3 (<= 1 ~waterLevel~0)) (and .cse0 .cse1 .cse3 (= ~waterLevel~0 1)))) [2021-12-07 01:25:11,455 INFO L854 garLoopResultBuilder]: At program point L892(lines 888 894) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-12-07 01:25:11,455 INFO L858 garLoopResultBuilder]: For program point L987(lines 987 994) no Hoare annotation was computed. [2021-12-07 01:25:11,455 INFO L858 garLoopResultBuilder]: For program point L987-2(lines 987 994) no Hoare annotation was computed. [2021-12-07 01:25:11,455 INFO L861 garLoopResultBuilder]: At program point L996(lines 977 999) the Hoare annotation is: true [2021-12-07 01:25:11,455 INFO L854 garLoopResultBuilder]: At program point L885(lines 881 887) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-12-07 01:25:11,455 INFO L858 garLoopResultBuilder]: For program point L212(lines 211 258) no Hoare annotation was computed. [2021-12-07 01:25:11,455 INFO L858 garLoopResultBuilder]: For program point L241(lines 241 254) no Hoare annotation was computed. [2021-12-07 01:25:11,455 INFO L854 garLoopResultBuilder]: At program point L497(lines 485 499) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse2 (<= 1 ~waterLevel~0)) (and .cse0 .cse1 .cse2 (= ~waterLevel~0 1)))) [2021-12-07 01:25:11,455 INFO L854 garLoopResultBuilder]: At program point L233(line 233) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse2 .cse3 (not (= 0 ~systemActive~0))) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse3 (<= 1 ~waterLevel~0)) (and .cse0 .cse1 .cse3 (= ~waterLevel~0 1)))) [2021-12-07 01:25:11,455 INFO L858 garLoopResultBuilder]: For program point L489(lines 489 495) no Hoare annotation was computed. [2021-12-07 01:25:11,455 INFO L858 garLoopResultBuilder]: For program point L489-1(lines 489 495) no Hoare annotation was computed. [2021-12-07 01:25:11,455 INFO L861 garLoopResultBuilder]: At program point L262(lines 201 266) the Hoare annotation is: true [2021-12-07 01:25:11,455 INFO L854 garLoopResultBuilder]: At program point L964(lines 960 966) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_main_~tmp~10#1| ~systemActive~0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1)) [2021-12-07 01:25:11,455 INFO L854 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 306 330) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2 .cse3) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 (not (<= 1 ~waterLevel~0)) (not (= ~methaneLevelCritical~0 0)) .cse3))) [2021-12-07 01:25:11,456 INFO L854 garLoopResultBuilder]: At program point L320(line 320) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= 1 ~waterLevel~0))) (.cse2 (= 0 ~systemActive~0)) (.cse3 (and (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~2#1| 0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2 .cse3))) [2021-12-07 01:25:11,456 INFO L858 garLoopResultBuilder]: For program point L314(lines 314 322) no Hoare annotation was computed. [2021-12-07 01:25:11,456 INFO L858 garLoopResultBuilder]: For program point L310(lines 310 327) no Hoare annotation was computed. [2021-12-07 01:25:11,456 INFO L858 garLoopResultBuilder]: For program point L141(lines 141 147) no Hoare annotation was computed. [2021-12-07 01:25:11,456 INFO L854 garLoopResultBuilder]: At program point L362(lines 357 364) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= 1 ~waterLevel~0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2) (or .cse0 .cse1 (<= 2 ~waterLevel~0) (not (= ~methaneLevelCritical~0 0)) .cse2))) [2021-12-07 01:25:11,456 INFO L854 garLoopResultBuilder]: At program point L325(line 325) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= 1 ~waterLevel~0))) (.cse2 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2))) [2021-12-07 01:25:11,456 INFO L858 garLoopResultBuilder]: For program point L325-1(lines 306 330) no Hoare annotation was computed. [2021-12-07 01:25:11,456 INFO L858 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 306 330) no Hoare annotation was computed. [2021-12-07 01:25:11,456 INFO L858 garLoopResultBuilder]: For program point L373(lines 373 379) no Hoare annotation was computed. [2021-12-07 01:25:11,456 INFO L854 garLoopResultBuilder]: At program point L373-2(lines 366 382) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 (not (<= 1 ~waterLevel~0)) (not (<= 1 ~methaneLevelCritical~0)) (and (= ~pumpRunning~0 0) (<= 2 ~waterLevel~0) (<= ~methaneLevelCritical~0 |processEnvironment__wrappee__highWaterSensor_activatePump_~tmp~4#1|) (<= ~methaneLevelCritical~0 |processEnvironment__wrappee__highWaterSensor_isMethaneAlarm_#res#1|)) .cse1) (or (not (= ~waterLevel~0 1)) .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2021-12-07 01:25:11,456 INFO L854 garLoopResultBuilder]: At program point L146(lines 137 150) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0))) (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and .cse5 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 1))) (.cse2 (not (<= 1 ~waterLevel~0))) (.cse3 (and .cse5 (<= 2 ~waterLevel~0))) (.cse4 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 (not (<= 1 ~methaneLevelCritical~0)) .cse3 .cse4) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3 .cse4)))) [2021-12-07 01:25:11,456 INFO L854 garLoopResultBuilder]: At program point L462(lines 447 465) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 0))) (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (<= 2 ~waterLevel~0)) (.cse2 (and .cse4 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~2#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0))) (.cse3 (= 0 ~systemActive~0))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 (not .cse5) .cse1 .cse3) (or .cse0 (not (<= 1 ~waterLevel~0)) (not (<= 1 ~methaneLevelCritical~0)) (and .cse4 .cse5) .cse2 .cse3)))) [2021-12-07 01:25:11,456 INFO L854 garLoopResultBuilder]: At program point L398(lines 391 401) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= 1 ~waterLevel~0))) (.cse4 (= 0 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (<= 2 ~waterLevel~0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) (and .cse2 .cse3) .cse4) (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse4 (and .cse2 .cse3 (<= ~methaneLevelCritical~0 |processEnvironment__wrappee__highWaterSensor_isMethaneAlarm_#res#1|))))) [2021-12-07 01:25:11,457 INFO L854 garLoopResultBuilder]: At program point L396(line 396) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (<= 1 ~waterLevel~0))) (.cse2 (and (= ~pumpRunning~0 0) (<= 2 ~waterLevel~0))) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2 .cse3) (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse3))) [2021-12-07 01:25:11,457 INFO L858 garLoopResultBuilder]: For program point L396-1(line 396) no Hoare annotation was computed. [2021-12-07 01:25:11,457 INFO L858 garLoopResultBuilder]: For program point L456(lines 456 460) no Hoare annotation was computed. [2021-12-07 01:25:11,457 INFO L858 garLoopResultBuilder]: For program point L456-2(lines 456 460) no Hoare annotation was computed. [2021-12-07 01:25:11,457 INFO L858 garLoopResultBuilder]: For program point waterRiseEXIT(lines 72 83) no Hoare annotation was computed. [2021-12-07 01:25:11,457 INFO L858 garLoopResultBuilder]: For program point L76-1(lines 72 83) no Hoare annotation was computed. [2021-12-07 01:25:11,457 INFO L854 garLoopResultBuilder]: At program point waterRiseENTRY(lines 72 83) the Hoare annotation is: (let ((.cse1 (not (= |old(~waterLevel~0)| 1))) (.cse3 (= ~waterLevel~0 1)) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= ~pumpRunning~0 0))) (.cse5 (<= 2 ~waterLevel~0)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse5 .cse2 (= 0 ~systemActive~0) .cse6) (or .cse0 .cse5 .cse4 .cse6) (or .cse0 .cse5 .cse2 .cse6))) [2021-12-07 01:25:11,459 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-07 01:25:11,460 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-07 01:25:11,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 01:25:11 BoogieIcfgContainer [2021-12-07 01:25:11,485 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-07 01:25:11,485 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-07 01:25:11,485 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-07 01:25:11,485 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-07 01:25:11,486 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:25:04" (3/4) ... [2021-12-07 01:25:11,488 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-07 01:25:11,492 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2021-12-07 01:25:11,492 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2021-12-07 01:25:11,492 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2021-12-07 01:25:11,492 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2021-12-07 01:25:11,492 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2021-12-07 01:25:11,492 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2021-12-07 01:25:11,492 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2021-12-07 01:25:11,493 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2021-12-07 01:25:11,498 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 52 nodes and edges [2021-12-07 01:25:11,499 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-12-07 01:25:11,499 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-12-07 01:25:11,500 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-12-07 01:25:11,500 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-07 01:25:11,500 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-07 01:25:11,501 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-07 01:25:11,517 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 [2021-12-07 01:25:11,517 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && methaneLevelCritical == 0) && tmp == systemActive) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 [2021-12-07 01:25:11,517 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(1 <= methaneLevelCritical) || (pumpRunning == \old(pumpRunning) && 1 <= waterLevel)) || 0 == systemActive) || !(2 <= \old(waterLevel))) && ((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(1 <= methaneLevelCritical))) && (((!(methaneLevelCritical == 0) || (pumpRunning == \old(pumpRunning) && 1 <= waterLevel)) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(methaneLevelCritical == 0)) [2021-12-07 01:25:11,518 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((methaneLevelCritical == 0 && 2 <= waterLevel) && !(0 == systemActive)) || !(methaneLevelCritical == 0)) || ((((((\result == 0 && pumpRunning == 0) && 1 <= tmp) && 1 <= \result) && 1 <= tmp___0) && 1 <= waterLevel) && tmp == 0)) || 0 == systemActive) || !(2 <= \old(waterLevel))) && (((!(\old(pumpRunning) == 0) || ((methaneLevelCritical == 0 && 2 <= waterLevel) && !(0 == systemActive))) || !(methaneLevelCritical == 0)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(methaneLevelCritical == 0)) || waterLevel == 1)) && ((((!(\old(pumpRunning) == 0) || ((methaneLevelCritical == 0 && 2 <= waterLevel) && !(0 == systemActive))) || !(1 <= \old(waterLevel))) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && !(0 == systemActive)))) && (((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel) && !(0 == systemActive))) || !(2 <= \old(waterLevel)))) && (((((pumpRunning == 0 && waterLevel == 1) && !(0 == systemActive)) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) == 1)) || !(1 <= methaneLevelCritical))) && ((((!(1 <= methaneLevelCritical) || ((((((\result == 0 && pumpRunning == 0) && 1 <= tmp) && 1 <= \result) && 1 <= tmp___0) && 1 <= waterLevel) && tmp == 0)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel) && !(0 == systemActive))) || 0 == systemActive) || !(2 <= \old(waterLevel))) [2021-12-07 01:25:11,518 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(\old(pumpRunning) == 0) || 2 <= waterLevel) || !(methaneLevelCritical == 0)) || !(2 <= \old(waterLevel))) && (((!(\old(pumpRunning) == 0) || 2 <= waterLevel) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 <= methaneLevelCritical)) || waterLevel == 1)) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 <= \old(waterLevel))) || !(1 <= methaneLevelCritical))) && ((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && !(0 == systemActive)) || !(1 <= methaneLevelCritical)) || (((((((\result == 0 && pumpRunning == 0) && 1 <= tmp) && 1 <= \result) && 1 <= tmp___0) && 1 <= waterLevel) && !(0 == systemActive)) && tmp == 0)) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(methaneLevelCritical == 0)) || waterLevel == 1)) && ((((!(\old(pumpRunning) == 0) || (((tmp == 0 && methaneLevelCritical == 0) && 2 <= waterLevel) && !(0 == systemActive))) || !(1 <= \old(waterLevel))) || (pumpRunning == 0 && tmp == 0)) || !(methaneLevelCritical == 0))) && (((((((tmp == 0 && methaneLevelCritical == 0) && 2 <= waterLevel) && !(0 == systemActive)) || !(methaneLevelCritical == 0)) || (((((((\result == 0 && pumpRunning == 0) && tmp == 0) && 1 <= tmp) && 1 <= \result) && 1 <= tmp___0) && 1 <= waterLevel) && tmp == 0)) || 0 == systemActive) || !(2 <= \old(waterLevel))) [2021-12-07 01:25:11,519 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && 2 <= waterLevel)) || 0 == systemActive) && ((((!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || ((pumpRunning == 0 && 2 <= waterLevel) && methaneLevelCritical <= \result)) [2021-12-07 01:25:11,519 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || (pumpRunning == 0 && \result == 0)) || !(1 <= methaneLevelCritical)) && (((!(\old(pumpRunning) == 0) || 2 <= waterLevel) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && ((!(methaneLevelCritical == 0) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 <= methaneLevelCritical)) || waterLevel == 1)) && ((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(methaneLevelCritical == 0))) && ((((!(1 <= methaneLevelCritical) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0)) || (((((((\result == 0 && pumpRunning == 0) && \result == 0) && 1 <= tmp) && 1 <= \result) && 1 <= tmp___0) && 1 <= waterLevel) && tmp == 0)) || 0 == systemActive) || !(2 <= \old(waterLevel))) [2021-12-07 01:25:11,519 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(1 <= methaneLevelCritical)) && (((!(1 <= methaneLevelCritical) || ((pumpRunning == \old(pumpRunning) && \result == 0) && 1 <= waterLevel)) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(methaneLevelCritical == 0))) && (((!(methaneLevelCritical == 0) || ((pumpRunning == \old(pumpRunning) && \result == 0) && 1 <= waterLevel)) || 0 == systemActive) || !(2 <= \old(waterLevel))) [2021-12-07 01:25:11,519 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || !(1 <= methaneLevelCritical)) || (((pumpRunning == 0 && 2 <= waterLevel) && methaneLevelCritical <= tmp) && methaneLevelCritical <= \result)) || 0 == systemActive) && (((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || 0 == systemActive) [2021-12-07 01:25:11,519 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 1)) || !(1 <= waterLevel)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) || 0 == systemActive) && (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 1)) || !(1 <= waterLevel)) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && 2 <= waterLevel)) || 0 == systemActive) [2021-12-07 01:25:11,519 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) && ((((!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || 2 <= waterLevel) || !(methaneLevelCritical == 0)) || 0 == systemActive) [2021-12-07 01:25:11,519 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(methaneLevelCritical == 0) || 0 == systemActive) || !(2 <= \old(waterLevel))) && ((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(1 <= methaneLevelCritical))) && ((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(methaneLevelCritical == 0))) && ((!(1 <= methaneLevelCritical) || 0 == systemActive) || !(2 <= \old(waterLevel))) [2021-12-07 01:25:11,519 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((pumpRunning == \old(pumpRunning) && \result == 0) && 1 <= \result) && 1 <= tmp___0) && 1 <= waterLevel) && tmp == 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) || !(2 <= \old(waterLevel))) && ((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(1 <= methaneLevelCritical))) && ((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(methaneLevelCritical == 0))) && ((((((((pumpRunning == \old(pumpRunning) && \result == 0) && 1 <= \result) && 1 <= tmp___0) && 1 <= waterLevel) && tmp == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(2 <= \old(waterLevel))) [2021-12-07 01:25:11,520 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || ((pumpRunning == 0 && tmp___0 == 0) && \result == 0)) || 0 == systemActive) && ((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(2 <= waterLevel)) || !(methaneLevelCritical == 0)) || 0 == systemActive)) && (((((!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) || ((pumpRunning == 0 && tmp___0 == 0) && \result == 0)) || 0 == systemActive) [2021-12-07 01:25:11,540 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1506cc45-0027-4016-b8e9-73be479fecdd/bin/uautomizer-DrprNOufMa/witness.graphml [2021-12-07 01:25:11,541 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-07 01:25:11,541 INFO L158 Benchmark]: Toolchain (without parser) took 8281.88ms. Allocated memory was 98.6MB in the beginning and 144.7MB in the end (delta: 46.1MB). Free memory was 64.3MB in the beginning and 69.7MB in the end (delta: -5.4MB). Peak memory consumption was 40.4MB. Max. memory is 16.1GB. [2021-12-07 01:25:11,541 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 73.4MB. Free memory was 51.5MB in the beginning and 51.5MB in the end (delta: 28.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 01:25:11,542 INFO L158 Benchmark]: CACSL2BoogieTranslator took 323.55ms. Allocated memory is still 98.6MB. Free memory was 64.1MB in the beginning and 67.0MB in the end (delta: -3.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-07 01:25:11,542 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.61ms. Allocated memory is still 98.6MB. Free memory was 67.0MB in the beginning and 64.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-07 01:25:11,542 INFO L158 Benchmark]: Boogie Preprocessor took 28.26ms. Allocated memory is still 98.6MB. Free memory was 64.6MB in the beginning and 62.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-07 01:25:11,543 INFO L158 Benchmark]: RCFGBuilder took 365.82ms. Allocated memory is still 98.6MB. Free memory was 62.9MB in the beginning and 46.2MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-07 01:25:11,543 INFO L158 Benchmark]: TraceAbstraction took 7458.34ms. Allocated memory was 98.6MB in the beginning and 144.7MB in the end (delta: 46.1MB). Free memory was 45.7MB in the beginning and 77.1MB in the end (delta: -31.4MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. [2021-12-07 01:25:11,543 INFO L158 Benchmark]: Witness Printer took 55.36ms. Allocated memory is still 144.7MB. Free memory was 77.1MB in the beginning and 69.7MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-07 01:25:11,545 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 73.4MB. Free memory was 51.5MB in the beginning and 51.5MB in the end (delta: 28.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 323.55ms. Allocated memory is still 98.6MB. Free memory was 64.1MB in the beginning and 67.0MB in the end (delta: -3.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.61ms. Allocated memory is still 98.6MB. Free memory was 67.0MB in the beginning and 64.6MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.26ms. Allocated memory is still 98.6MB. Free memory was 64.6MB in the beginning and 62.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 365.82ms. Allocated memory is still 98.6MB. Free memory was 62.9MB in the beginning and 46.2MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 7458.34ms. Allocated memory was 98.6MB in the beginning and 144.7MB in the end (delta: 46.1MB). Free memory was 45.7MB in the beginning and 77.1MB in the end (delta: -31.4MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. * Witness Printer took 55.36ms. Allocated memory is still 144.7MB. Free memory was 77.1MB in the beginning and 69.7MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 193]: 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 9 procedures, 98 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.4s, OverallIterations: 11, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1393 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1371 mSDsluCounter, 3904 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2553 mSDsCounter, 342 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1258 IncrementalHoareTripleChecker+Invalid, 1600 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 342 mSolverCounterUnsat, 1351 mSDtfsCounter, 1258 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 426 GetRequests, 334 SyntacticMatches, 2 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1785occurred in iteration=10, InterpolantAutomatonStates: 76, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 11 MinimizatonAttempts, 450 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 45 LocationsWithAnnotation, 3373 PreInvPairs, 3758 NumberOfFragments, 2408 HoareAnnotationTreeSize, 3373 FomulaSimplifications, 662 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 45 FomulaSimplificationsInter, 18060 FormulaSimplificationTreeSizeReductionInter, 2.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 805 NumberOfCodeBlocks, 805 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 791 ConstructedInterpolants, 0 QuantifiedInterpolants, 1372 SizeOfPredicates, 11 NumberOfNonLiveVariables, 1308 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 14 InterpolantComputations, 11 PerfectInterpolantSequences, 129/135 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: 332]: Loop Invariant Derived loop invariant: (((((((((((methaneLevelCritical == 0 && 2 <= waterLevel) && !(0 == systemActive)) || !(methaneLevelCritical == 0)) || ((((((\result == 0 && pumpRunning == 0) && 1 <= tmp) && 1 <= \result) && 1 <= tmp___0) && 1 <= waterLevel) && tmp == 0)) || 0 == systemActive) || !(2 <= \old(waterLevel))) && (((!(\old(pumpRunning) == 0) || ((methaneLevelCritical == 0 && 2 <= waterLevel) && !(0 == systemActive))) || !(methaneLevelCritical == 0)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(methaneLevelCritical == 0)) || waterLevel == 1)) && ((((!(\old(pumpRunning) == 0) || ((methaneLevelCritical == 0 && 2 <= waterLevel) && !(0 == systemActive))) || !(1 <= \old(waterLevel))) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && !(0 == systemActive)))) && (((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel) && !(0 == systemActive))) || !(2 <= \old(waterLevel)))) && (((((pumpRunning == 0 && waterLevel == 1) && !(0 == systemActive)) || !(\old(pumpRunning) == 0)) || !(\old(waterLevel) == 1)) || !(1 <= methaneLevelCritical))) && ((((!(1 <= methaneLevelCritical) || ((((((\result == 0 && pumpRunning == 0) && 1 <= tmp) && 1 <= \result) && 1 <= tmp___0) && 1 <= waterLevel) && tmp == 0)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel) && !(0 == systemActive))) || 0 == systemActive) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 210]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0) || (((methaneLevelCritical == 0 && 2 <= waterLevel) && splverifierCounter == 0) && !(0 == systemActive))) || (((pumpRunning == 0 && 1 <= methaneLevelCritical) && splverifierCounter == 0) && 1 <= waterLevel)) || (((pumpRunning == 0 && methaneLevelCritical == 0) && splverifierCounter == 0) && waterLevel == 1) - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 - InvariantResult [Line: 163]: Loop Invariant Derived loop invariant: (((((((((!(\old(pumpRunning) == 0) || 2 <= waterLevel) || !(methaneLevelCritical == 0)) || !(2 <= \old(waterLevel))) && (((!(\old(pumpRunning) == 0) || 2 <= waterLevel) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 <= methaneLevelCritical)) || waterLevel == 1)) && (((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(1 <= \old(waterLevel))) || !(1 <= methaneLevelCritical))) && ((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && !(0 == systemActive)) || !(1 <= methaneLevelCritical)) || (((((((\result == 0 && pumpRunning == 0) && 1 <= tmp) && 1 <= \result) && 1 <= tmp___0) && 1 <= waterLevel) && !(0 == systemActive)) && tmp == 0)) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(methaneLevelCritical == 0)) || waterLevel == 1)) && ((((!(\old(pumpRunning) == 0) || (((tmp == 0 && methaneLevelCritical == 0) && 2 <= waterLevel) && !(0 == systemActive))) || !(1 <= \old(waterLevel))) || (pumpRunning == 0 && tmp == 0)) || !(methaneLevelCritical == 0))) && (((((((tmp == 0 && methaneLevelCritical == 0) && 2 <= waterLevel) && !(0 == systemActive)) || !(methaneLevelCritical == 0)) || (((((((\result == 0 && pumpRunning == 0) && tmp == 0) && 1 <= tmp) && 1 <= \result) && 1 <= tmp___0) && 1 <= waterLevel) && tmp == 0)) || 0 == systemActive) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 366]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || !(1 <= methaneLevelCritical)) || (((pumpRunning == 0 && 2 <= waterLevel) && methaneLevelCritical <= tmp) && methaneLevelCritical <= \result)) || 0 == systemActive) && (((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || 0 == systemActive) - InvariantResult [Line: 485]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && methaneLevelCritical == 0) && 2 <= waterLevel) && splverifierCounter == 0) || (((pumpRunning == 0 && 1 <= methaneLevelCritical) && splverifierCounter == 0) && 1 <= waterLevel)) || (((pumpRunning == 0 && methaneLevelCritical == 0) && splverifierCounter == 0) && waterLevel == 1) - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 466]: Loop Invariant Derived loop invariant: ((((((((((pumpRunning == \old(pumpRunning) && \result == 0) && 1 <= \result) && 1 <= tmp___0) && 1 <= waterLevel) && tmp == 0) || !(methaneLevelCritical == 0)) || 0 == systemActive) || !(2 <= \old(waterLevel))) && ((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(1 <= methaneLevelCritical))) && ((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(methaneLevelCritical == 0))) && ((((((((pumpRunning == \old(pumpRunning) && \result == 0) && 1 <= \result) && 1 <= tmp___0) && 1 <= waterLevel) && tmp == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 960]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && methaneLevelCritical == 0) && tmp == systemActive) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 - InvariantResult [Line: 977]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: ((((!(methaneLevelCritical == 0) || 0 == systemActive) || !(2 <= \old(waterLevel))) && ((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(1 <= methaneLevelCritical))) && ((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(methaneLevelCritical == 0))) && ((!(1 <= methaneLevelCritical) || 0 == systemActive) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 916]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: (((((!(1 <= methaneLevelCritical) || (pumpRunning == \old(pumpRunning) && 1 <= waterLevel)) || 0 == systemActive) || !(2 <= \old(waterLevel))) && ((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(1 <= methaneLevelCritical))) && (((!(methaneLevelCritical == 0) || (pumpRunning == \old(pumpRunning) && 1 <= waterLevel)) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 357]: Loop Invariant Derived loop invariant: (((!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) && ((((!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || 2 <= waterLevel) || !(methaneLevelCritical == 0)) || 0 == systemActive) - InvariantResult [Line: 967]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(1 <= methaneLevelCritical)) && (((!(1 <= methaneLevelCritical) || ((pumpRunning == \old(pumpRunning) && \result == 0) && 1 <= waterLevel)) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && ((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(methaneLevelCritical == 0))) && (((!(methaneLevelCritical == 0) || ((pumpRunning == \old(pumpRunning) && \result == 0) && 1 <= waterLevel)) || 0 == systemActive) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 1)) || !(1 <= waterLevel)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) || 0 == systemActive) && (((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 1)) || !(1 <= waterLevel)) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && 2 <= waterLevel)) || 0 == systemActive) - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: (((((((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || (pumpRunning == 0 && \result == 0)) || !(1 <= methaneLevelCritical)) && (((!(\old(pumpRunning) == 0) || 2 <= waterLevel) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && ((!(methaneLevelCritical == 0) || 0 == systemActive) || !(2 <= \old(waterLevel)))) && (((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 <= methaneLevelCritical)) || waterLevel == 1)) && ((!(\old(pumpRunning) == 0) || !(1 <= \old(waterLevel))) || !(methaneLevelCritical == 0))) && ((((!(1 <= methaneLevelCritical) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0)) || (((((((\result == 0 && pumpRunning == 0) && \result == 0) && 1 <= tmp) && 1 <= \result) && 1 <= tmp___0) && 1 <= waterLevel) && tmp == 0)) || 0 == systemActive) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 447]: Loop Invariant Derived loop invariant: (((((!(waterLevel == 1) || !(\old(pumpRunning) == 0)) || !(methaneLevelCritical == 0)) || ((pumpRunning == 0 && tmp___0 == 0) && \result == 0)) || 0 == systemActive) && ((((!(\old(pumpRunning) == 0) || pumpRunning == 0) || !(2 <= waterLevel)) || !(methaneLevelCritical == 0)) || 0 == systemActive)) && (((((!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) || ((pumpRunning == 0 && tmp___0 == 0) && \result == 0)) || 0 == systemActive) - InvariantResult [Line: 391]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && 2 <= waterLevel)) || 0 == systemActive) && ((((!(\old(pumpRunning) == 0) || !(1 <= waterLevel)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) || ((pumpRunning == 0 && 2 <= waterLevel) && methaneLevelCritical <= \result)) - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 RESULT: Ultimate proved your program to be correct! [2021-12-07 01:25:11,592 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1506cc45-0027-4016-b8e9-73be479fecdd/bin/uautomizer-DrprNOufMa/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