./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060fd05b-c23d-4e73-b8ad-ea87a3ac6859/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060fd05b-c23d-4e73-b8ad-ea87a3ac6859/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060fd05b-c23d-4e73-b8ad-ea87a3ac6859/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060fd05b-c23d-4e73-b8ad-ea87a3ac6859/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060fd05b-c23d-4e73-b8ad-ea87a3ac6859/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060fd05b-c23d-4e73-b8ad-ea87a3ac6859/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3364c65adf57fef4e6e40e7680894e092c8fbf29e459121c70f90a68103ac5cb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:23:09,455 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:23:09,530 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060fd05b-c23d-4e73-b8ad-ea87a3ac6859/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:23:09,536 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:23:09,537 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:23:09,562 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:23:09,562 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:23:09,563 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:23:09,564 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:23:09,564 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:23:09,565 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:23:09,566 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:23:09,566 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:23:09,567 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:23:09,567 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:23:09,568 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:23:09,568 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:23:09,569 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:23:09,570 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:23:09,570 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:23:09,571 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:23:09,572 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:23:09,573 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:23:09,573 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:23:09,585 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:23:09,587 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:23:09,587 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:23:09,588 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:23:09,588 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:23:09,588 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:23:09,589 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:23:09,589 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:23:09,590 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:23:09,590 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:23:09,590 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:23:09,591 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:23:09,591 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:23:09,591 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:23:09,591 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:23:09,592 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:23:09,592 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:23:09,592 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:23:09,593 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:23:09,593 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:23:09,593 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:23:09,593 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:23:09,594 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:23:09,594 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_060fd05b-c23d-4e73-b8ad-ea87a3ac6859/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060fd05b-c23d-4e73-b8ad-ea87a3ac6859/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3364c65adf57fef4e6e40e7680894e092c8fbf29e459121c70f90a68103ac5cb [2023-11-23 21:23:09,853 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:23:09,883 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:23:09,886 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:23:09,888 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:23:09,889 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:23:09,890 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060fd05b-c23d-4e73-b8ad-ea87a3ac6859/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c [2023-11-23 21:23:13,028 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:23:13,303 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:23:13,306 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060fd05b-c23d-4e73-b8ad-ea87a3ac6859/sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c [2023-11-23 21:23:13,321 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060fd05b-c23d-4e73-b8ad-ea87a3ac6859/bin/utaipan-verify-mE87zJ7Ire/data/88b00cffb/4821c31a8a6c4b11821fc90ee6de86d3/FLAG8e948155c [2023-11-23 21:23:13,339 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060fd05b-c23d-4e73-b8ad-ea87a3ac6859/bin/utaipan-verify-mE87zJ7Ire/data/88b00cffb/4821c31a8a6c4b11821fc90ee6de86d3 [2023-11-23 21:23:13,345 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:23:13,354 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:23:13,356 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:23:13,356 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:23:13,364 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:23:13,365 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:23:13" (1/1) ... [2023-11-23 21:23:13,369 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@230e35e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:13, skipping insertion in model container [2023-11-23 21:23:13,369 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:23:13" (1/1) ... [2023-11-23 21:23:13,430 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:23:13,654 WARN L240 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_060fd05b-c23d-4e73-b8ad-ea87a3ac6859/sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c[11828,11841] [2023-11-23 21:23:13,693 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:23:13,706 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:23:13,716 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2023-11-23 21:23:13,718 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [87] [2023-11-23 21:23:13,718 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [453] [2023-11-23 21:23:13,719 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [462] [2023-11-23 21:23:13,719 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [548] [2023-11-23 21:23:13,719 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [649] [2023-11-23 21:23:13,719 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [828] [2023-11-23 21:23:13,720 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [897] [2023-11-23 21:23:13,763 WARN L240 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_060fd05b-c23d-4e73-b8ad-ea87a3ac6859/sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c[11828,11841] [2023-11-23 21:23:13,783 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:23:13,804 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:23:13,806 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:13 WrapperNode [2023-11-23 21:23:13,806 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:23:13,808 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:23:13,810 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:23:13,811 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:23:13,820 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:13" (1/1) ... [2023-11-23 21:23:13,835 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:13" (1/1) ... [2023-11-23 21:23:13,862 INFO L138 Inliner]: procedures = 54, calls = 98, calls flagged for inlining = 20, calls inlined = 16, statements flattened = 153 [2023-11-23 21:23:13,862 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:23:13,863 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:23:13,864 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:23:13,864 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:23:13,874 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:13" (1/1) ... [2023-11-23 21:23:13,874 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:13" (1/1) ... [2023-11-23 21:23:13,876 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:13" (1/1) ... [2023-11-23 21:23:13,877 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:13" (1/1) ... [2023-11-23 21:23:13,883 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:13" (1/1) ... [2023-11-23 21:23:13,890 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:13" (1/1) ... [2023-11-23 21:23:13,891 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:13" (1/1) ... [2023-11-23 21:23:13,893 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:13" (1/1) ... [2023-11-23 21:23:13,896 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:23:13,897 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:23:13,897 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:23:13,897 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:23:13,898 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:13" (1/1) ... [2023-11-23 21:23:13,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:23:13,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060fd05b-c23d-4e73-b8ad-ea87a3ac6859/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:23:13,943 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060fd05b-c23d-4e73-b8ad-ea87a3ac6859/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:23:13,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060fd05b-c23d-4e73-b8ad-ea87a3ac6859/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:23:13,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:23:13,979 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-23 21:23:13,980 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-23 21:23:13,980 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-23 21:23:13,980 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-23 21:23:13,980 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-11-23 21:23:13,980 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-11-23 21:23:13,981 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-23 21:23:13,981 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-23 21:23:13,981 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-11-23 21:23:13,981 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-11-23 21:23:13,982 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-11-23 21:23:13,982 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-11-23 21:23:13,982 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-11-23 21:23:13,982 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-11-23 21:23:13,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:23:13,983 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-23 21:23:13,983 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-23 21:23:13,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:23:13,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:23:14,066 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:23:14,068 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:23:14,381 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:23:14,533 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:23:14,533 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 21:23:14,535 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:23:14 BoogieIcfgContainer [2023-11-23 21:23:14,536 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:23:14,538 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:23:14,538 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:23:14,541 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:23:14,541 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:23:13" (1/3) ... [2023-11-23 21:23:14,542 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c4aceaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:23:14, skipping insertion in model container [2023-11-23 21:23:14,542 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:23:13" (2/3) ... [2023-11-23 21:23:14,543 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c4aceaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:23:14, skipping insertion in model container [2023-11-23 21:23:14,543 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:23:14" (3/3) ... [2023-11-23 21:23:14,545 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product16.cil.c [2023-11-23 21:23:14,561 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:23:14,562 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:23:14,610 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:23:14,616 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3c8b8408, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:23:14,617 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:23:14,621 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 40 states have (on average 1.425) internal successors, (57), 47 states have internal predecessors, (57), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 11 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-23 21:23:14,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 21:23:14,629 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:23:14,630 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:23:14,630 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:23:14,636 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:23:14,636 INFO L85 PathProgramCache]: Analyzing trace with hash 1974737210, now seen corresponding path program 1 times [2023-11-23 21:23:14,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:23:14,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273591103] [2023-11-23 21:23:14,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:14,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:23:14,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:23:14,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:23:14,916 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:23:14,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273591103] [2023-11-23 21:23:14,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273591103] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:23:14,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:23:14,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:23:14,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497742908] [2023-11-23 21:23:14,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:23:14,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:23:14,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:23:14,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:23:14,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:23:14,963 INFO L87 Difference]: Start difference. First operand has 63 states, 40 states have (on average 1.425) internal successors, (57), 47 states have internal predecessors, (57), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 11 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 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) [2023-11-23 21:23:15,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:23:15,037 INFO L93 Difference]: Finished difference Result 124 states and 167 transitions. [2023-11-23 21:23:15,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:23:15,040 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 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 17 [2023-11-23 21:23:15,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:23:15,050 INFO L225 Difference]: With dead ends: 124 [2023-11-23 21:23:15,050 INFO L226 Difference]: Without dead ends: 58 [2023-11-23 21:23:15,055 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:23:15,063 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:23:15,065 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 64 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:23:15,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2023-11-23 21:23:15,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2023-11-23 21:23:15,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 37 states have (on average 1.3243243243243243) internal successors, (49), 43 states have internal predecessors, (49), 13 states have call successors, (13), 8 states have call predecessors, (13), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-23 21:23:15,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 74 transitions. [2023-11-23 21:23:15,122 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 74 transitions. Word has length 17 [2023-11-23 21:23:15,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:23:15,123 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 74 transitions. [2023-11-23 21:23:15,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 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) [2023-11-23 21:23:15,125 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 74 transitions. [2023-11-23 21:23:15,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 21:23:15,132 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:23:15,132 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:23:15,133 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:23:15,133 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:23:15,135 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:23:15,135 INFO L85 PathProgramCache]: Analyzing trace with hash -146349058, now seen corresponding path program 1 times [2023-11-23 21:23:15,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:23:15,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993215341] [2023-11-23 21:23:15,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:15,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:23:15,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:23:15,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:23:15,301 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:23:15,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993215341] [2023-11-23 21:23:15,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [993215341] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:23:15,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:23:15,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:23:15,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975761473] [2023-11-23 21:23:15,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:23:15,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:23:15,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:23:15,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:23:15,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:23:15,306 INFO L87 Difference]: Start difference. First operand 58 states and 74 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2023-11-23 21:23:15,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:23:15,362 INFO L93 Difference]: Finished difference Result 88 states and 110 transitions. [2023-11-23 21:23:15,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:23:15,365 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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 18 [2023-11-23 21:23:15,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:23:15,366 INFO L225 Difference]: With dead ends: 88 [2023-11-23 21:23:15,369 INFO L226 Difference]: Without dead ends: 50 [2023-11-23 21:23:15,370 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:23:15,372 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 14 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:23:15,375 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 84 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:23:15,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2023-11-23 21:23:15,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2023-11-23 21:23:15,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 32 states have (on average 1.34375) internal successors, (43), 38 states have internal predecessors, (43), 10 states have call successors, (10), 7 states have call predecessors, (10), 7 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-23 21:23:15,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 63 transitions. [2023-11-23 21:23:15,397 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 63 transitions. Word has length 18 [2023-11-23 21:23:15,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:23:15,398 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 63 transitions. [2023-11-23 21:23:15,398 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2023-11-23 21:23:15,398 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 63 transitions. [2023-11-23 21:23:15,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 21:23:15,401 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:23:15,402 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:23:15,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 21:23:15,402 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:23:15,403 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:23:15,404 INFO L85 PathProgramCache]: Analyzing trace with hash -752940126, now seen corresponding path program 1 times [2023-11-23 21:23:15,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:23:15,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548816554] [2023-11-23 21:23:15,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:15,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:23:15,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:23:15,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:23:15,532 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:23:15,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548816554] [2023-11-23 21:23:15,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548816554] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:23:15,537 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:23:15,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:23:15,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002979265] [2023-11-23 21:23:15,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:23:15,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:23:15,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:23:15,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:23:15,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:23:15,556 INFO L87 Difference]: Start difference. First operand 50 states and 63 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2023-11-23 21:23:15,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:23:15,645 INFO L93 Difference]: Finished difference Result 146 states and 186 transitions. [2023-11-23 21:23:15,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:23:15,646 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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 21 [2023-11-23 21:23:15,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:23:15,648 INFO L225 Difference]: With dead ends: 146 [2023-11-23 21:23:15,648 INFO L226 Difference]: Without dead ends: 98 [2023-11-23 21:23:15,649 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:23:15,651 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 57 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:23:15,652 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 108 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:23:15,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2023-11-23 21:23:15,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 95. [2023-11-23 21:23:15,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 60 states have (on average 1.35) internal successors, (81), 71 states have internal predecessors, (81), 20 states have call successors, (20), 14 states have call predecessors, (20), 14 states have return successors, (20), 15 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-23 21:23:15,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 121 transitions. [2023-11-23 21:23:15,705 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 121 transitions. Word has length 21 [2023-11-23 21:23:15,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:23:15,706 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 121 transitions. [2023-11-23 21:23:15,706 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2023-11-23 21:23:15,706 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 121 transitions. [2023-11-23 21:23:15,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 21:23:15,711 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:23:15,711 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:23:15,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-23 21:23:15,712 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:23:15,713 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:23:15,713 INFO L85 PathProgramCache]: Analyzing trace with hash -1857671352, now seen corresponding path program 1 times [2023-11-23 21:23:15,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:23:15,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981809250] [2023-11-23 21:23:15,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:15,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:23:15,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:23:15,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:23:15,838 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:23:15,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981809250] [2023-11-23 21:23:15,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981809250] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:23:15,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:23:15,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:23:15,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875650773] [2023-11-23 21:23:15,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:23:15,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:23:15,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:23:15,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:23:15,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:23:15,841 INFO L87 Difference]: Start difference. First operand 95 states and 121 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2023-11-23 21:23:15,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:23:15,910 INFO L93 Difference]: Finished difference Result 188 states and 244 transitions. [2023-11-23 21:23:15,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:23:15,911 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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 24 [2023-11-23 21:23:15,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:23:15,917 INFO L225 Difference]: With dead ends: 188 [2023-11-23 21:23:15,917 INFO L226 Difference]: Without dead ends: 186 [2023-11-23 21:23:15,918 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:23:15,920 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 39 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:23:15,921 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 96 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:23:15,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2023-11-23 21:23:15,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 186. [2023-11-23 21:23:15,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 117 states have (on average 1.3418803418803418) internal successors, (157), 138 states have internal predecessors, (157), 40 states have call successors, (40), 28 states have call predecessors, (40), 28 states have return successors, (44), 30 states have call predecessors, (44), 40 states have call successors, (44) [2023-11-23 21:23:15,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 241 transitions. [2023-11-23 21:23:15,960 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 241 transitions. Word has length 24 [2023-11-23 21:23:15,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:23:15,960 INFO L495 AbstractCegarLoop]: Abstraction has 186 states and 241 transitions. [2023-11-23 21:23:15,961 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2023-11-23 21:23:15,961 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 241 transitions. [2023-11-23 21:23:15,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-23 21:23:15,964 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:23:15,965 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:23:15,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-23 21:23:15,965 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:23:15,966 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:23:15,966 INFO L85 PathProgramCache]: Analyzing trace with hash 1877618175, now seen corresponding path program 1 times [2023-11-23 21:23:15,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:23:15,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465811771] [2023-11-23 21:23:15,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:15,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:23:15,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:23:16,305 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 21:23:16,306 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:23:16,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465811771] [2023-11-23 21:23:16,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465811771] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:23:16,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [801049468] [2023-11-23 21:23:16,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:16,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:23:16,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060fd05b-c23d-4e73-b8ad-ea87a3ac6859/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:23:16,317 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060fd05b-c23d-4e73-b8ad-ea87a3ac6859/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:23:16,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060fd05b-c23d-4e73-b8ad-ea87a3ac6859/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:23:16,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:23:16,429 INFO L262 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-23 21:23:16,441 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:23:16,610 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-23 21:23:16,610 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:23:16,804 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-23 21:23:16,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [801049468] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:23:16,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [594188640] [2023-11-23 21:23:16,831 INFO L159 IcfgInterpreter]: Started Sifa with 27 locations of interest [2023-11-23 21:23:16,831 INFO L166 IcfgInterpreter]: Building call graph [2023-11-23 21:23:16,835 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-23 21:23:16,841 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-23 21:23:16,841 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-23 21:23:20,969 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 145 for LOIs [2023-11-23 21:23:21,744 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 120 for LOIs [2023-11-23 21:23:21,795 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-23 21:23:29,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [594188640] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:23:29,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-11-23 21:23:29,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [7, 5, 5] total 27 [2023-11-23 21:23:29,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997529422] [2023-11-23 21:23:29,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:23:29,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-11-23 21:23:29,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:23:29,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-11-23 21:23:29,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=549, Unknown=0, NotChecked=0, Total=702 [2023-11-23 21:23:29,791 INFO L87 Difference]: Start difference. First operand 186 states and 241 transitions. Second operand has 18 states, 16 states have (on average 1.5) internal successors, (24), 15 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-23 21:23:32,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:23:32,180 INFO L93 Difference]: Finished difference Result 435 states and 576 transitions. [2023-11-23 21:23:32,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-23 21:23:32,181 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 1.5) internal successors, (24), 15 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 45 [2023-11-23 21:23:32,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:23:32,185 INFO L225 Difference]: With dead ends: 435 [2023-11-23 21:23:32,185 INFO L226 Difference]: Without dead ends: 251 [2023-11-23 21:23:32,188 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 113 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 9.1s TimeCoverageRelationStatistics Valid=185, Invalid=685, Unknown=0, NotChecked=0, Total=870 [2023-11-23 21:23:32,189 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 41 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 454 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 454 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-23 21:23:32,189 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 238 Invalid, 492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 454 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-23 21:23:32,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2023-11-23 21:23:32,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 232. [2023-11-23 21:23:32,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 153 states have (on average 1.326797385620915) internal successors, (203), 174 states have internal predecessors, (203), 45 states have call successors, (45), 33 states have call predecessors, (45), 33 states have return successors, (50), 35 states have call predecessors, (50), 45 states have call successors, (50) [2023-11-23 21:23:32,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 298 transitions. [2023-11-23 21:23:32,243 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 298 transitions. Word has length 45 [2023-11-23 21:23:32,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:23:32,243 INFO L495 AbstractCegarLoop]: Abstraction has 232 states and 298 transitions. [2023-11-23 21:23:32,243 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 16 states have (on average 1.5) internal successors, (24), 15 states have internal predecessors, (24), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-23 21:23:32,244 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 298 transitions. [2023-11-23 21:23:32,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-23 21:23:32,247 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:23:32,247 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:23:32,273 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060fd05b-c23d-4e73-b8ad-ea87a3ac6859/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:23:32,457 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060fd05b-c23d-4e73-b8ad-ea87a3ac6859/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:23:32,458 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:23:32,458 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:23:32,458 INFO L85 PathProgramCache]: Analyzing trace with hash 1379741931, now seen corresponding path program 1 times [2023-11-23 21:23:32,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:23:32,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431053966] [2023-11-23 21:23:32,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:23:32,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:23:32,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:23:32,667 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 21:23:32,668 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:23:32,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431053966] [2023-11-23 21:23:32,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431053966] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:23:32,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:23:32,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 21:23:32,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296830198] [2023-11-23 21:23:32,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:23:32,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 21:23:32,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:23:32,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 21:23:32,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-23 21:23:32,672 INFO L87 Difference]: Start difference. First operand 232 states and 298 transitions. Second operand has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-23 21:23:32,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:23:32,770 INFO L93 Difference]: Finished difference Result 300 states and 387 transitions. [2023-11-23 21:23:32,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 21:23:32,771 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 3 states have call successors, (5), 3 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 48 [2023-11-23 21:23:32,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:23:32,772 INFO L225 Difference]: With dead ends: 300 [2023-11-23 21:23:32,772 INFO L226 Difference]: Without dead ends: 0 [2023-11-23 21:23:32,773 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2023-11-23 21:23:32,774 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 34 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:23:32,775 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 46 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:23:32,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-23 21:23:32,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-23 21:23:32,776 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) [2023-11-23 21:23:32,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-23 21:23:32,777 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 48 [2023-11-23 21:23:32,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:23:32,777 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-23 21:23:32,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.333333333333333) internal successors, (38), 6 states have internal predecessors, (38), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2023-11-23 21:23:32,778 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-23 21:23:32,778 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 21:23:32,780 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:23:32,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-23 21:23:32,783 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-23 21:23:36,910 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 741 748) no Hoare annotation was computed. [2023-11-23 21:23:36,911 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 741 748) the Hoare annotation is: true [2023-11-23 21:23:36,911 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 495 506) the Hoare annotation is: true [2023-11-23 21:23:36,911 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 495 506) no Hoare annotation was computed. [2023-11-23 21:23:36,911 INFO L899 garLoopResultBuilder]: For program point L919(lines 919 929) no Hoare annotation was computed. [2023-11-23 21:23:36,911 INFO L899 garLoopResultBuilder]: For program point L663-1(lines 662 681) no Hoare annotation was computed. [2023-11-23 21:23:36,911 INFO L899 garLoopResultBuilder]: For program point L915(lines 915 932) no Hoare annotation was computed. [2023-11-23 21:23:36,911 INFO L899 garLoopResultBuilder]: For program point L915-1(lines 907 935) no Hoare annotation was computed. [2023-11-23 21:23:36,912 INFO L895 garLoopResultBuilder]: At program point L705(line 705) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2023-11-23 21:23:36,912 INFO L895 garLoopResultBuilder]: At program point L701(line 701) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2023-11-23 21:23:36,912 INFO L895 garLoopResultBuilder]: At program point L697(line 697) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2023-11-23 21:23:36,912 INFO L899 garLoopResultBuilder]: For program point L697-1(line 697) no Hoare annotation was computed. [2023-11-23 21:23:36,912 INFO L899 garLoopResultBuilder]: For program point L920(lines 920 926) no Hoare annotation was computed. [2023-11-23 21:23:36,912 INFO L899 garLoopResultBuilder]: For program point L458(line 458) no Hoare annotation was computed. [2023-11-23 21:23:36,914 INFO L895 garLoopResultBuilder]: At program point L710(line 710) the Hoare annotation is: (let ((.cse49 (select |#memory_int| 1))) (let ((.cse16 (not (= (select |#length| 12) 25))) (.cse17 (not (= (select .cse49 0) 48))) (.cse18 (not (= 9 (select |#length| 11)))) (.cse19 (not (= 9 (select |#length| 5)))) (.cse20 (not (= 30 (select |#length| 7)))) (.cse21 (not (= 31 (select |#length| 2)))) (.cse22 (not (= (select |#valid| 12) 1))) (.cse23 (not (= 2 (select |#length| 1)))) (.cse24 (not (= 9 (select |#length| 14)))) (.cse5 (not (= |old(~waterLevel~0)| 1))) (.cse25 (not (= (select |#length| 15) 25))) (.cse26 (not (= (select |#valid| 6) 1))) (.cse27 (not (= (select |#valid| 3) 1))) (.cse7 (not (= ~head~0.offset 0))) (.cse28 (not (= (select |#valid| 11) 1))) (.cse29 (not (= (select |#length| 9) 21))) (.cse30 (not (= 30 (select |#length| 10)))) (.cse31 (not (= (select |#valid| 15) 1))) (.cse32 (not (= (select |#length| 6) 21))) (.cse33 (not (= 1 (select |#valid| 5)))) (.cse34 (not (= (select |#length| 8) 9))) (.cse35 (not (= (select |#length| 3) 12))) (.cse36 (not (= (select |#valid| 0) 0))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse37 (not (= (select .cse49 1) 0))) (.cse38 (not (= (select |#valid| 1) 1))) (.cse39 (not (= (select |#valid| 8) 1))) (.cse40 (not (= 30 (select |#length| 13)))) (.cse41 (not (= (select |#valid| 4) 1))) (.cse42 (not (= (select |#valid| 7) 1))) (.cse43 (not (= (select |#valid| 10) 1))) (.cse44 (not (= (select |#valid| 14) 1))) (.cse45 (not (= (select |#valid| 13) 1))) (.cse9 (< |#StackHeapBarrier| 1)) (.cse46 (not (= 30 (select |#length| 4)))) (.cse47 (not (= (select |#valid| 2) 1))) (.cse48 (not (= (select |#valid| 9) 1))) (.cse12 (not (= ~head~0.base 0))) (.cse13 (not (= 0 ~systemActive~0))) (.cse14 (not (= ~cleanupTimeShifts~0 4))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (forall ((|v_ULTIMATE.start_test_~tmp___0~0#1_BEFORE_CALL_3| Int) (|v_ULTIMATE.start_valid_product_#res#1_BEFORE_CALL_3| Int) (|v_ULTIMATE.start_test_~tmp___1~0#1_BEFORE_CALL_3| Int) (|v_ULTIMATE.start_main_~tmp~3#1_BEFORE_CALL_3| Int) (|v_ULTIMATE.start_test_~tmp___2~0#1_BEFORE_CALL_3| Int) (|v_ULTIMATE.start_test_~splverifierCounter~0#1_BEFORE_CALL_3| Int) (|v_ULTIMATE.start_test_~tmp~6#1_BEFORE_CALL_3| Int)) (let ((.cse15 (= |v_ULTIMATE.start_test_~tmp___1~0#1_BEFORE_CALL_3| 0))) (or (let ((.cse0 (not (= |v_ULTIMATE.start_main_~tmp~3#1_BEFORE_CALL_3| 1))) (.cse1 (not (= |v_ULTIMATE.start_valid_product_#res#1_BEFORE_CALL_3| 1))) (.cse4 (not (= |v_ULTIMATE.start_test_~splverifierCounter~0#1_BEFORE_CALL_3| 0))) (.cse6 (not (= |v_ULTIMATE.start_test_~tmp___0~0#1_BEFORE_CALL_3| 0))) (.cse10 (not (= |v_ULTIMATE.start_test_~tmp___2~0#1_BEFORE_CALL_3| 0))) (.cse11 (not (= |v_ULTIMATE.start_test_~tmp~6#1_BEFORE_CALL_3| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (< (+ |v_ULTIMATE.start_test_~tmp___1~0#1_BEFORE_CALL_3| 2147483648) 0) .cse6 .cse7 .cse8 (< 2147483647 |v_ULTIMATE.start_test_~tmp___1~0#1_BEFORE_CALL_3|) .cse9 .cse10 .cse11 .cse12 .cse13 .cse14) (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (not .cse15) .cse9 .cse10 .cse11 .cse12 .cse14))) (and (or .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35 .cse36 .cse37 .cse38 .cse39 .cse40 .cse41 .cse42 .cse43 .cse15 .cse44 .cse45 .cse46 .cse47 .cse48) (or .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 (not (= 1 ~systemActive~0)) .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35 .cse36 .cse37 .cse38 .cse39 .cse40 .cse41 .cse42 .cse43 .cse44 .cse45 .cse46 .cse47 .cse48))))) (= |old(~waterLevel~0)| ~waterLevel~0)) (or .cse16 .cse2 .cse17 .cse18 .cse3 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse5 .cse25 .cse26 .cse27 .cse7 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35 .cse36 .cse8 .cse37 .cse38 .cse39 .cse40 .cse41 .cse42 .cse43 .cse44 .cse45 .cse9 .cse46 .cse47 .cse48 .cse12 .cse13 .cse14) (or .cse2 .cse3 (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)))))) [2023-11-23 21:23:36,914 INFO L899 garLoopResultBuilder]: For program point L710-1(lines 691 715) no Hoare annotation was computed. [2023-11-23 21:23:36,916 INFO L895 garLoopResultBuilder]: At program point L913(line 913) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (forall ((|v_ULTIMATE.start_test_~tmp___0~0#1_BEFORE_CALL_3| Int) (|v_ULTIMATE.start_valid_product_#res#1_BEFORE_CALL_3| Int) (|v_ULTIMATE.start_test_~tmp___1~0#1_BEFORE_CALL_3| Int) (|v_ULTIMATE.start_main_~tmp~3#1_BEFORE_CALL_3| Int) (|v_ULTIMATE.start_test_~tmp___2~0#1_BEFORE_CALL_3| Int) (|v_ULTIMATE.start_test_~splverifierCounter~0#1_BEFORE_CALL_3| Int) (|v_ULTIMATE.start_test_~tmp~6#1_BEFORE_CALL_3| Int)) (let ((.cse14 (= |v_ULTIMATE.start_test_~tmp___1~0#1_BEFORE_CALL_3| 0))) (or (let ((.cse0 (not (= |v_ULTIMATE.start_main_~tmp~3#1_BEFORE_CALL_3| 1))) (.cse1 (not (= |v_ULTIMATE.start_valid_product_#res#1_BEFORE_CALL_3| 1))) (.cse4 (not (= |v_ULTIMATE.start_test_~splverifierCounter~0#1_BEFORE_CALL_3| 0))) (.cse5 (not (= |old(~waterLevel~0)| 1))) (.cse6 (not (= |v_ULTIMATE.start_test_~tmp___0~0#1_BEFORE_CALL_3| 0))) (.cse7 (not (= ~head~0.offset 0))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse9 (< |#StackHeapBarrier| 1)) (.cse10 (not (= |v_ULTIMATE.start_test_~tmp___2~0#1_BEFORE_CALL_3| 0))) (.cse11 (not (= |v_ULTIMATE.start_test_~tmp~6#1_BEFORE_CALL_3| 0))) (.cse12 (not (= ~head~0.base 0))) (.cse13 (not (= ~cleanupTimeShifts~0 4)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (< (+ |v_ULTIMATE.start_test_~tmp___1~0#1_BEFORE_CALL_3| 2147483648) 0) .cse6 .cse7 .cse8 (< 2147483647 |v_ULTIMATE.start_test_~tmp___1~0#1_BEFORE_CALL_3|) .cse9 .cse10 .cse11 .cse12 (not (= 0 ~systemActive~0)) .cse13) (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (not .cse14) .cse9 .cse10 .cse11 .cse12 .cse13))) (let ((.cse48 (select |#memory_int| 1))) (let ((.cse15 (not (= (select |#length| 12) 25))) (.cse16 (not (= (select .cse48 0) 48))) (.cse17 (not (= 9 (select |#length| 11)))) (.cse18 (not (= 9 (select |#length| 5)))) (.cse19 (not (= 30 (select |#length| 7)))) (.cse20 (not (= 31 (select |#length| 2)))) (.cse21 (not (= (select |#valid| 12) 1))) (.cse22 (not (= 2 (select |#length| 1)))) (.cse23 (not (= 9 (select |#length| 14)))) (.cse24 (not (= (select |#length| 15) 25))) (.cse25 (not (= (select |#valid| 6) 1))) (.cse26 (not (= (select |#valid| 3) 1))) (.cse27 (not (= (select |#valid| 11) 1))) (.cse28 (not (= (select |#length| 9) 21))) (.cse29 (not (= 30 (select |#length| 10)))) (.cse30 (not (= (select |#valid| 15) 1))) (.cse31 (not (= (select |#length| 6) 21))) (.cse32 (not (= 1 (select |#valid| 5)))) (.cse33 (not (= (select |#length| 8) 9))) (.cse34 (not (= (select |#length| 3) 12))) (.cse35 (not (= (select |#valid| 0) 0))) (.cse36 (not (= (select .cse48 1) 0))) (.cse37 (not (= (select |#valid| 1) 1))) (.cse38 (not (= (select |#valid| 8) 1))) (.cse39 (not (= 30 (select |#length| 13)))) (.cse40 (not (= (select |#valid| 4) 1))) (.cse41 (not (= (select |#valid| 7) 1))) (.cse42 (not (= (select |#valid| 10) 1))) (.cse43 (not (= (select |#valid| 14) 1))) (.cse44 (not (= (select |#valid| 13) 1))) (.cse45 (not (= 30 (select |#length| 4)))) (.cse46 (not (= (select |#valid| 2) 1))) (.cse47 (not (= (select |#valid| 9) 1)))) (and (or .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35 .cse36 .cse37 .cse38 .cse39 .cse40 .cse41 .cse42 .cse14 .cse43 .cse44 .cse45 .cse46 .cse47) (or .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 (not (= 1 ~systemActive~0)) .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35 .cse36 .cse37 .cse38 .cse39 .cse40 .cse41 .cse42 .cse43 .cse44 .cse45 .cse46 .cse47))))))) (= |old(~waterLevel~0)| ~waterLevel~0)) (or .cse2 .cse3 (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0))))) [2023-11-23 21:23:36,916 INFO L899 garLoopResultBuilder]: For program point L913-1(line 913) no Hoare annotation was computed. [2023-11-23 21:23:36,929 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 659 682) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (forall ((|v_ULTIMATE.start_test_~tmp___0~0#1_BEFORE_CALL_3| Int) (|v_ULTIMATE.start_valid_product_#res#1_BEFORE_CALL_3| Int) (|v_ULTIMATE.start_test_~tmp___1~0#1_BEFORE_CALL_3| Int) (|v_ULTIMATE.start_main_~tmp~3#1_BEFORE_CALL_3| Int) (|v_ULTIMATE.start_test_~tmp___2~0#1_BEFORE_CALL_3| Int) (|v_ULTIMATE.start_test_~splverifierCounter~0#1_BEFORE_CALL_3| Int) (|v_ULTIMATE.start_test_~tmp~6#1_BEFORE_CALL_3| Int)) (let ((.cse14 (= |v_ULTIMATE.start_test_~tmp___1~0#1_BEFORE_CALL_3| 0))) (or (let ((.cse0 (not (= |v_ULTIMATE.start_main_~tmp~3#1_BEFORE_CALL_3| 1))) (.cse1 (not (= |v_ULTIMATE.start_valid_product_#res#1_BEFORE_CALL_3| 1))) (.cse4 (not (= |v_ULTIMATE.start_test_~splverifierCounter~0#1_BEFORE_CALL_3| 0))) (.cse5 (not (= |old(~waterLevel~0)| 1))) (.cse6 (not (= |v_ULTIMATE.start_test_~tmp___0~0#1_BEFORE_CALL_3| 0))) (.cse7 (not (= ~head~0.offset 0))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse9 (< |#StackHeapBarrier| 1)) (.cse10 (not (= |v_ULTIMATE.start_test_~tmp___2~0#1_BEFORE_CALL_3| 0))) (.cse11 (not (= |v_ULTIMATE.start_test_~tmp~6#1_BEFORE_CALL_3| 0))) (.cse12 (not (= ~head~0.base 0))) (.cse13 (not (= ~cleanupTimeShifts~0 4)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (< (+ |v_ULTIMATE.start_test_~tmp___1~0#1_BEFORE_CALL_3| 2147483648) 0) .cse6 .cse7 .cse8 (< 2147483647 |v_ULTIMATE.start_test_~tmp___1~0#1_BEFORE_CALL_3|) .cse9 .cse10 .cse11 .cse12 (not (= 0 ~systemActive~0)) .cse13) (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 (not .cse14) .cse9 .cse10 .cse11 .cse12 .cse13))) (let ((.cse48 (select |#memory_int| 1))) (let ((.cse15 (not (= (select |#length| 12) 25))) (.cse16 (not (= (select .cse48 0) 48))) (.cse17 (not (= 9 (select |#length| 11)))) (.cse18 (not (= 9 (select |#length| 5)))) (.cse19 (not (= 30 (select |#length| 7)))) (.cse20 (not (= 31 (select |#length| 2)))) (.cse21 (not (= (select |#valid| 12) 1))) (.cse22 (not (= 2 (select |#length| 1)))) (.cse23 (not (= 9 (select |#length| 14)))) (.cse24 (not (= (select |#length| 15) 25))) (.cse25 (not (= (select |#valid| 6) 1))) (.cse26 (not (= (select |#valid| 3) 1))) (.cse27 (not (= (select |#valid| 11) 1))) (.cse28 (not (= (select |#length| 9) 21))) (.cse29 (not (= 30 (select |#length| 10)))) (.cse30 (not (= (select |#valid| 15) 1))) (.cse31 (not (= (select |#length| 6) 21))) (.cse32 (not (= 1 (select |#valid| 5)))) (.cse33 (not (= (select |#length| 8) 9))) (.cse34 (not (= (select |#length| 3) 12))) (.cse35 (not (= (select |#valid| 0) 0))) (.cse36 (not (= (select .cse48 1) 0))) (.cse37 (not (= (select |#valid| 1) 1))) (.cse38 (not (= (select |#valid| 8) 1))) (.cse39 (not (= 30 (select |#length| 13)))) (.cse40 (not (= (select |#valid| 4) 1))) (.cse41 (not (= (select |#valid| 7) 1))) (.cse42 (not (= (select |#valid| 10) 1))) (.cse43 (not (= (select |#valid| 14) 1))) (.cse44 (not (= (select |#valid| 13) 1))) (.cse45 (not (= 30 (select |#length| 4)))) (.cse46 (not (= (select |#valid| 2) 1))) (.cse47 (not (= (select |#valid| 9) 1)))) (and (or .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35 .cse36 .cse37 .cse38 .cse39 .cse40 .cse41 .cse42 .cse14 .cse43 .cse44 .cse45 .cse46 .cse47) (or .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 (not (= 1 ~systemActive~0)) .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35 .cse36 .cse37 .cse38 .cse39 .cse40 .cse41 .cse42 .cse43 .cse44 .cse45 .cse46 .cse47))))))) (= |old(~waterLevel~0)| ~waterLevel~0)) (or .cse2 .cse3 (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0))))) [2023-11-23 21:23:36,930 INFO L899 garLoopResultBuilder]: For program point L670-1(lines 670 676) no Hoare annotation was computed. [2023-11-23 21:23:36,930 INFO L899 garLoopResultBuilder]: For program point L699(lines 699 707) no Hoare annotation was computed. [2023-11-23 21:23:36,930 INFO L899 garLoopResultBuilder]: For program point L695(lines 695 712) no Hoare annotation was computed. [2023-11-23 21:23:36,930 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 659 682) no Hoare annotation was computed. [2023-11-23 21:23:36,931 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 458) no Hoare annotation was computed. [2023-11-23 21:23:36,931 INFO L899 garLoopResultBuilder]: For program point L576(lines 551 580) no Hoare annotation was computed. [2023-11-23 21:23:36,931 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 551 580) no Hoare annotation was computed. [2023-11-23 21:23:36,931 INFO L899 garLoopResultBuilder]: For program point L572(line 572) no Hoare annotation was computed. [2023-11-23 21:23:36,931 INFO L899 garLoopResultBuilder]: For program point L565(lines 565 569) no Hoare annotation was computed. [2023-11-23 21:23:36,931 INFO L902 garLoopResultBuilder]: At program point L565-1(lines 565 569) the Hoare annotation is: true [2023-11-23 21:23:36,932 INFO L902 garLoopResultBuilder]: At program point L561-2(lines 561 575) the Hoare annotation is: true [2023-11-23 21:23:36,932 INFO L902 garLoopResultBuilder]: At program point L557(line 557) the Hoare annotation is: true [2023-11-23 21:23:36,932 INFO L899 garLoopResultBuilder]: For program point L557-1(line 557) no Hoare annotation was computed. [2023-11-23 21:23:36,932 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 551 580) the Hoare annotation is: true [2023-11-23 21:23:36,932 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 507 515) the Hoare annotation is: true [2023-11-23 21:23:36,932 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 507 515) no Hoare annotation was computed. [2023-11-23 21:23:36,933 INFO L895 garLoopResultBuilder]: At program point L861(line 861) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-23 21:23:36,934 INFO L895 garLoopResultBuilder]: At program point L886(lines 839 888) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-23 21:23:36,934 INFO L899 garLoopResultBuilder]: For program point L849(lines 849 855) no Hoare annotation was computed. [2023-11-23 21:23:36,934 INFO L899 garLoopResultBuilder]: For program point L849-1(lines 849 855) no Hoare annotation was computed. [2023-11-23 21:23:36,934 INFO L899 garLoopResultBuilder]: For program point L809(lines 809 815) no Hoare annotation was computed. [2023-11-23 21:23:36,934 INFO L899 garLoopResultBuilder]: For program point L809-1(lines 809 815) no Hoare annotation was computed. [2023-11-23 21:23:36,934 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-23 21:23:36,935 INFO L899 garLoopResultBuilder]: For program point L636(lines 636 643) no Hoare annotation was computed. [2023-11-23 21:23:36,935 INFO L899 garLoopResultBuilder]: For program point L892(lines 829 896) no Hoare annotation was computed. [2023-11-23 21:23:36,936 INFO L899 garLoopResultBuilder]: For program point L859(lines 859 865) no Hoare annotation was computed. [2023-11-23 21:23:36,936 INFO L899 garLoopResultBuilder]: For program point L859-1(lines 859 865) no Hoare annotation was computed. [2023-11-23 21:23:36,937 INFO L899 garLoopResultBuilder]: For program point L636-2(lines 636 643) no Hoare annotation was computed. [2023-11-23 21:23:36,937 INFO L895 garLoopResultBuilder]: At program point L851(line 851) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-23 21:23:36,937 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-23 21:23:36,937 INFO L895 garLoopResultBuilder]: At program point L889(lines 838 890) the Hoare annotation is: false [2023-11-23 21:23:36,938 INFO L899 garLoopResultBuilder]: For program point L877(lines 877 883) no Hoare annotation was computed. [2023-11-23 21:23:36,938 INFO L895 garLoopResultBuilder]: At program point L811(line 811) the Hoare annotation is: false [2023-11-23 21:23:36,939 INFO L895 garLoopResultBuilder]: At program point L877-2(lines 869 884) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-23 21:23:36,939 INFO L899 garLoopResultBuilder]: For program point L840(lines 839 888) no Hoare annotation was computed. [2023-11-23 21:23:36,939 INFO L899 garLoopResultBuilder]: For program point L869(lines 869 884) no Hoare annotation was computed. [2023-11-23 21:23:36,939 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 483 494) no Hoare annotation was computed. [2023-11-23 21:23:36,939 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 483 494) the Hoare annotation is: true [2023-11-23 21:23:36,940 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 683 689) no Hoare annotation was computed. [2023-11-23 21:23:36,940 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 683 689) the Hoare annotation is: true [2023-11-23 21:23:36,940 INFO L899 garLoopResultBuilder]: For program point L754-1(line 754) no Hoare annotation was computed. [2023-11-23 21:23:36,944 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 749 759) no Hoare annotation was computed. [2023-11-23 21:23:36,944 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 749 759) the Hoare annotation is: true [2023-11-23 21:23:36,944 INFO L902 garLoopResultBuilder]: At program point L754(line 754) the Hoare annotation is: true [2023-11-23 21:23:36,947 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-11-23 21:23:36,950 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:23:36,985 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (forall v_ULTIMATE.start_test_~tmp___0~0#1_BEFORE_CALL_3 : int, v_ULTIMATE.start_valid_product_#res#1_BEFORE_CALL_3 : int, v_ULTIMATE.start_test_~tmp___1~0#1_BEFORE_CALL_3 : int, v_ULTIMATE.start_main_~tmp~3#1_BEFORE_CALL_3 : int, v_ULTIMATE.start_test_~tmp___2~0#1_BEFORE_CALL_3 : int, v_ULTIMATE.start_test_~splverifierCounter~0#1_BEFORE_CALL_3 : int, v_ULTIMATE.start_test_~tmp~6#1_BEFORE_CALL_3 : int :: (((((((((((((((((!(v_ULTIMATE.start_main_~tmp~3#1_BEFORE_CALL_3 == 1) || !(v_ULTIMATE.start_valid_product_#res#1_BEFORE_CALL_3 == 1)) || !(old(~pumpRunning~0) == 0)) || !(old(~methAndRunningLastTime~0) == 0)) || !(v_ULTIMATE.start_test_~splverifierCounter~0#1_BEFORE_CALL_3 == 0)) || !(old(~waterLevel~0) == 1)) || v_ULTIMATE.start_test_~tmp___1~0#1_BEFORE_CALL_3 + 2147483648 < 0) || !(v_ULTIMATE.start_test_~tmp___0~0#1_BEFORE_CALL_3 == 0)) || !(~head~0!offset == 0)) || !(~methaneLevelCritical~0 == 0)) || 2147483647 < v_ULTIMATE.start_test_~tmp___1~0#1_BEFORE_CALL_3) || #StackHeapBarrier < 1) || !(v_ULTIMATE.start_test_~tmp___2~0#1_BEFORE_CALL_3 == 0)) || !(v_ULTIMATE.start_test_~tmp~6#1_BEFORE_CALL_3 == 0)) || !(~head~0!base == 0)) || !(0 == ~systemActive~0)) || !(~cleanupTimeShifts~0 == 4)) && ((((((((((((((!(v_ULTIMATE.start_main_~tmp~3#1_BEFORE_CALL_3 == 1) || !(v_ULTIMATE.start_valid_product_#res#1_BEFORE_CALL_3 == 1)) || !(old(~pumpRunning~0) == 0)) || !(old(~methAndRunningLastTime~0) == 0)) || !(v_ULTIMATE.start_test_~splverifierCounter~0#1_BEFORE_CALL_3 == 0)) || !(old(~waterLevel~0) == 1)) || !(v_ULTIMATE.start_test_~tmp___0~0#1_BEFORE_CALL_3 == 0)) || !(~head~0!offset == 0)) || !(~methaneLevelCritical~0 == 0)) || !(v_ULTIMATE.start_test_~tmp___1~0#1_BEFORE_CALL_3 == 0)) || #StackHeapBarrier < 1) || !(v_ULTIMATE.start_test_~tmp___2~0#1_BEFORE_CALL_3 == 0)) || !(v_ULTIMATE.start_test_~tmp~6#1_BEFORE_CALL_3 == 0)) || !(~head~0!base == 0)) || !(~cleanupTimeShifts~0 == 4))) || ((((((((((((((((((((((((((((((((((!(#length[12] == 25) || !(#memory_int[1][0] == 48)) || !(9 == #length[11])) || !(9 == #length[5])) || !(30 == #length[7])) || !(31 == #length[2])) || !(#valid[12] == 1)) || !(2 == #length[1])) || !(9 == #length[14])) || !(#length[15] == 25)) || !(#valid[6] == 1)) || !(#valid[3] == 1)) || !(#valid[11] == 1)) || !(#length[9] == 21)) || !(30 == #length[10])) || !(#valid[15] == 1)) || !(#length[6] == 21)) || !(1 == #valid[5])) || !(#length[8] == 9)) || !(#length[3] == 12)) || !(#valid[0] == 0)) || !(#memory_int[1][1] == 0)) || !(#valid[1] == 1)) || !(#valid[8] == 1)) || !(30 == #length[13])) || !(#valid[4] == 1)) || !(#valid[7] == 1)) || !(#valid[10] == 1)) || v_ULTIMATE.start_test_~tmp___1~0#1_BEFORE_CALL_3 == 0) || !(#valid[14] == 1)) || !(#valid[13] == 1)) || !(30 == #length[4])) || !(#valid[2] == 1)) || !(#valid[9] == 1)) && (((((((((((((((((((((((((((((((((!(#length[12] == 25) || !(#memory_int[1][0] == 48)) || !(9 == #length[11])) || !(9 == #length[5])) || !(30 == #length[7])) || !(31 == #length[2])) || !(#valid[12] == 1)) || !(2 == #length[1])) || !(9 == #length[14])) || !(1 == ~systemActive~0)) || !(#length[15] == 25)) || !(#valid[6] == 1)) || !(#valid[3] == 1)) || !(#valid[11] == 1)) || !(#length[9] == 21)) || !(30 == #length[10])) || !(#valid[15] == 1)) || !(#length[6] == 21)) || !(1 == #valid[5])) || !(#length[8] == 9)) || !(#length[3] == 12)) || !(#valid[0] == 0)) || !(#memory_int[1][1] == 0)) || !(#valid[1] == 1)) || !(#valid[8] == 1)) || !(30 == #length[13])) || !(#valid[4] == 1)) || !(#valid[7] == 1)) || !(#valid[10] == 1)) || !(#valid[14] == 1)) || !(#valid[13] == 1)) || !(30 == #length[4])) || !(#valid[2] == 1)) || !(#valid[9] == 1)))) could not be translated [2023-11-23 21:23:36,987 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:23:36 BoogieIcfgContainer [2023-11-23 21:23:36,988 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:23:36,989 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:23:36,994 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:23:36,994 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:23:36,995 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:23:14" (3/4) ... [2023-11-23 21:23:36,997 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 21:23:37,000 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2023-11-23 21:23:37,001 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-23 21:23:37,001 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-23 21:23:37,001 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-23 21:23:37,001 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2023-11-23 21:23:37,001 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-23 21:23:37,002 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2023-11-23 21:23:37,002 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2023-11-23 21:23:37,015 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 37 nodes and edges [2023-11-23 21:23:37,016 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-23 21:23:37,017 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-23 21:23:37,017 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 21:23:37,018 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 21:23:37,056 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || ((pumpRunning == 0) && (methAndRunningLastTime == 0))) [2023-11-23 21:23:37,103 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || ((pumpRunning == 0) && (methAndRunningLastTime == 0))) [2023-11-23 21:23:37,155 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060fd05b-c23d-4e73-b8ad-ea87a3ac6859/bin/utaipan-verify-mE87zJ7Ire/witness.graphml [2023-11-23 21:23:37,156 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060fd05b-c23d-4e73-b8ad-ea87a3ac6859/bin/utaipan-verify-mE87zJ7Ire/witness.yml [2023-11-23 21:23:37,156 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:23:37,157 INFO L158 Benchmark]: Toolchain (without parser) took 23802.22ms. Allocated memory was 123.7MB in the beginning and 367.0MB in the end (delta: 243.3MB). Free memory was 85.4MB in the beginning and 199.0MB in the end (delta: -113.6MB). Peak memory consumption was 130.9MB. Max. memory is 16.1GB. [2023-11-23 21:23:37,157 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 123.7MB. Free memory is still 94.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:23:37,157 INFO L158 Benchmark]: CACSL2BoogieTranslator took 451.08ms. Allocated memory is still 123.7MB. Free memory was 85.1MB in the beginning and 66.1MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-23 21:23:37,158 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.79ms. Allocated memory is still 123.7MB. Free memory was 66.1MB in the beginning and 64.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:23:37,158 INFO L158 Benchmark]: Boogie Preprocessor took 33.08ms. Allocated memory is still 123.7MB. Free memory was 64.1MB in the beginning and 62.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:23:37,159 INFO L158 Benchmark]: RCFGBuilder took 638.76ms. Allocated memory is still 123.7MB. Free memory was 62.4MB in the beginning and 90.5MB in the end (delta: -28.1MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. [2023-11-23 21:23:37,159 INFO L158 Benchmark]: TraceAbstraction took 22450.76ms. Allocated memory was 123.7MB in the beginning and 367.0MB in the end (delta: 243.3MB). Free memory was 89.7MB in the beginning and 206.3MB in the end (delta: -116.6MB). Peak memory consumption was 214.4MB. Max. memory is 16.1GB. [2023-11-23 21:23:37,160 INFO L158 Benchmark]: Witness Printer took 166.67ms. Allocated memory is still 367.0MB. Free memory was 206.3MB in the beginning and 199.0MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 21:23:37,162 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 123.7MB. Free memory is still 94.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 451.08ms. Allocated memory is still 123.7MB. Free memory was 85.1MB in the beginning and 66.1MB in the end (delta: 19.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.79ms. Allocated memory is still 123.7MB. Free memory was 66.1MB in the beginning and 64.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.08ms. Allocated memory is still 123.7MB. Free memory was 64.1MB in the beginning and 62.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 638.76ms. Allocated memory is still 123.7MB. Free memory was 62.4MB in the beginning and 90.5MB in the end (delta: -28.1MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. * TraceAbstraction took 22450.76ms. Allocated memory was 123.7MB in the beginning and 367.0MB in the end (delta: 243.3MB). Free memory was 89.7MB in the beginning and 206.3MB in the end (delta: -116.6MB). Peak memory consumption was 214.4MB. Max. memory is 16.1GB. * Witness Printer took 166.67ms. Allocated memory is still 367.0MB. Free memory was 206.3MB in the beginning and 199.0MB 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.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [87] - GenericResultAtLocation [Line: 453]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [453] - GenericResultAtLocation [Line: 462]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [462] - GenericResultAtLocation [Line: 548]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [548] - GenericResultAtLocation [Line: 649]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [649] - GenericResultAtLocation [Line: 828]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [828] - GenericResultAtLocation [Line: 897]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [897] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (forall v_ULTIMATE.start_test_~tmp___0~0#1_BEFORE_CALL_3 : int, v_ULTIMATE.start_valid_product_#res#1_BEFORE_CALL_3 : int, v_ULTIMATE.start_test_~tmp___1~0#1_BEFORE_CALL_3 : int, v_ULTIMATE.start_main_~tmp~3#1_BEFORE_CALL_3 : int, v_ULTIMATE.start_test_~tmp___2~0#1_BEFORE_CALL_3 : int, v_ULTIMATE.start_test_~splverifierCounter~0#1_BEFORE_CALL_3 : int, v_ULTIMATE.start_test_~tmp~6#1_BEFORE_CALL_3 : int :: (((((((((((((((((!(v_ULTIMATE.start_main_~tmp~3#1_BEFORE_CALL_3 == 1) || !(v_ULTIMATE.start_valid_product_#res#1_BEFORE_CALL_3 == 1)) || !(old(~pumpRunning~0) == 0)) || !(old(~methAndRunningLastTime~0) == 0)) || !(v_ULTIMATE.start_test_~splverifierCounter~0#1_BEFORE_CALL_3 == 0)) || !(old(~waterLevel~0) == 1)) || v_ULTIMATE.start_test_~tmp___1~0#1_BEFORE_CALL_3 + 2147483648 < 0) || !(v_ULTIMATE.start_test_~tmp___0~0#1_BEFORE_CALL_3 == 0)) || !(~head~0!offset == 0)) || !(~methaneLevelCritical~0 == 0)) || 2147483647 < v_ULTIMATE.start_test_~tmp___1~0#1_BEFORE_CALL_3) || #StackHeapBarrier < 1) || !(v_ULTIMATE.start_test_~tmp___2~0#1_BEFORE_CALL_3 == 0)) || !(v_ULTIMATE.start_test_~tmp~6#1_BEFORE_CALL_3 == 0)) || !(~head~0!base == 0)) || !(0 == ~systemActive~0)) || !(~cleanupTimeShifts~0 == 4)) && ((((((((((((((!(v_ULTIMATE.start_main_~tmp~3#1_BEFORE_CALL_3 == 1) || !(v_ULTIMATE.start_valid_product_#res#1_BEFORE_CALL_3 == 1)) || !(old(~pumpRunning~0) == 0)) || !(old(~methAndRunningLastTime~0) == 0)) || !(v_ULTIMATE.start_test_~splverifierCounter~0#1_BEFORE_CALL_3 == 0)) || !(old(~waterLevel~0) == 1)) || !(v_ULTIMATE.start_test_~tmp___0~0#1_BEFORE_CALL_3 == 0)) || !(~head~0!offset == 0)) || !(~methaneLevelCritical~0 == 0)) || !(v_ULTIMATE.start_test_~tmp___1~0#1_BEFORE_CALL_3 == 0)) || #StackHeapBarrier < 1) || !(v_ULTIMATE.start_test_~tmp___2~0#1_BEFORE_CALL_3 == 0)) || !(v_ULTIMATE.start_test_~tmp~6#1_BEFORE_CALL_3 == 0)) || !(~head~0!base == 0)) || !(~cleanupTimeShifts~0 == 4))) || ((((((((((((((((((((((((((((((((((!(#length[12] == 25) || !(#memory_int[1][0] == 48)) || !(9 == #length[11])) || !(9 == #length[5])) || !(30 == #length[7])) || !(31 == #length[2])) || !(#valid[12] == 1)) || !(2 == #length[1])) || !(9 == #length[14])) || !(#length[15] == 25)) || !(#valid[6] == 1)) || !(#valid[3] == 1)) || !(#valid[11] == 1)) || !(#length[9] == 21)) || !(30 == #length[10])) || !(#valid[15] == 1)) || !(#length[6] == 21)) || !(1 == #valid[5])) || !(#length[8] == 9)) || !(#length[3] == 12)) || !(#valid[0] == 0)) || !(#memory_int[1][1] == 0)) || !(#valid[1] == 1)) || !(#valid[8] == 1)) || !(30 == #length[13])) || !(#valid[4] == 1)) || !(#valid[7] == 1)) || !(#valid[10] == 1)) || v_ULTIMATE.start_test_~tmp___1~0#1_BEFORE_CALL_3 == 0) || !(#valid[14] == 1)) || !(#valid[13] == 1)) || !(30 == #length[4])) || !(#valid[2] == 1)) || !(#valid[9] == 1)) && (((((((((((((((((((((((((((((((((!(#length[12] == 25) || !(#memory_int[1][0] == 48)) || !(9 == #length[11])) || !(9 == #length[5])) || !(30 == #length[7])) || !(31 == #length[2])) || !(#valid[12] == 1)) || !(2 == #length[1])) || !(9 == #length[14])) || !(1 == ~systemActive~0)) || !(#length[15] == 25)) || !(#valid[6] == 1)) || !(#valid[3] == 1)) || !(#valid[11] == 1)) || !(#length[9] == 21)) || !(30 == #length[10])) || !(#valid[15] == 1)) || !(#length[6] == 21)) || !(1 == #valid[5])) || !(#length[8] == 9)) || !(#length[3] == 12)) || !(#valid[0] == 0)) || !(#memory_int[1][1] == 0)) || !(#valid[1] == 1)) || !(#valid[8] == 1)) || !(30 == #length[13])) || !(#valid[4] == 1)) || !(#valid[7] == 1)) || !(#valid[10] == 1)) || !(#valid[14] == 1)) || !(#valid[13] == 1)) || !(30 == #length[4])) || !(#valid[2] == 1)) || !(#valid[9] == 1)))) could not be translated * 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: 458]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 63 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 22.4s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 192 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 185 mSDsluCounter, 636 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 341 mSDsCounter, 58 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 604 IncrementalHoareTripleChecker+Invalid, 662 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 58 mSolverCounterUnsat, 295 mSDtfsCounter, 604 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 164 GetRequests, 125 SyntacticMatches, 2 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 9.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=232occurred in iteration=5, InterpolantAutomatonStates: 35, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 22 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 23 LocationsWithAnnotation, 240 PreInvPairs, 256 NumberOfFragments, 2016 HoareAnnotationTreeSize, 240 FomulaSimplifications, 2189 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 23 FomulaSimplificationsInter, 11352 FormulaSimplificationTreeSizeReductionInter, 3.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 218 NumberOfCodeBlocks, 218 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 255 ConstructedInterpolants, 0 QuantifiedInterpolants, 623 SizeOfPredicates, 3 NumberOfNonLiveVariables, 219 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 67/76 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: OVERALL_TIME: 5.0s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 29, DAG_INTERPRETER_EARLY_EXITS: 3, TOOLS_POST_APPLICATIONS: 43, TOOLS_POST_TIME: 2.0s, TOOLS_POST_CALL_APPLICATIONS: 10, TOOLS_POST_CALL_TIME: 1.9s, TOOLS_POST_RETURN_APPLICATIONS: 8, TOOLS_POST_RETURN_TIME: 0.2s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 56, TOOLS_QUANTIFIERELIM_TIME: 4.0s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.4s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 84, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 11, DOMAIN_JOIN_TIME: 0.7s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME: 0.0s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 1, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 29, DOMAIN_ISBOTTOM_TIME: 0.1s, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME: 1.7s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 1.7s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 1, CALL_SUMMARIZER_APPLICATIONS: 8, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 396, DAG_COMPRESSION_RETAINED_NODES: 88, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 838]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: (((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (splverifierCounter == 0)) - InvariantResult [Line: 659]: Loop Invariant Derived loop invariant: ((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || ((pumpRunning == 0) && (methAndRunningLastTime == 0))) RESULT: Ultimate proved your program to be correct! [2023-11-23 21:23:37,195 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_060fd05b-c23d-4e73-b8ad-ea87a3ac6859/bin/utaipan-verify-mE87zJ7Ire/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