./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product40.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_54768c66-debb-4c99-9b5f-9a600b3ad230/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54768c66-debb-4c99-9b5f-9a600b3ad230/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_54768c66-debb-4c99-9b5f-9a600b3ad230/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54768c66-debb-4c99-9b5f-9a600b3ad230/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product40.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54768c66-debb-4c99-9b5f-9a600b3ad230/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_54768c66-debb-4c99-9b5f-9a600b3ad230/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 1b223e2286b1d2d2d4710f5bd529ee4610cfb9619424734c12c9aa00d3c99444 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:17:14,835 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:17:14,951 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54768c66-debb-4c99-9b5f-9a600b3ad230/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:17:14,963 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:17:14,964 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:17:15,010 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:17:15,012 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:17:15,013 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:17:15,014 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:17:15,019 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:17:15,020 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:17:15,020 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:17:15,021 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:17:15,023 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:17:15,023 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:17:15,024 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:17:15,024 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:17:15,025 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:17:15,025 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:17:15,026 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:17:15,026 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:17:15,027 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:17:15,028 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:17:15,028 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:17:15,029 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:17:15,029 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:17:15,030 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:17:15,030 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:17:15,031 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:17:15,031 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:17:15,033 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:17:15,033 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:17:15,035 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:17:15,035 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:17:15,035 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:17:15,036 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:17:15,036 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:17:15,037 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:17:15,037 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:17:15,037 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:17:15,038 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:17:15,038 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:17:15,038 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:17:15,039 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:17:15,039 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:17:15,040 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:17:15,040 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:17:15,040 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_54768c66-debb-4c99-9b5f-9a600b3ad230/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54768c66-debb-4c99-9b5f-9a600b3ad230/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1b223e2286b1d2d2d4710f5bd529ee4610cfb9619424734c12c9aa00d3c99444 [2023-11-23 21:17:15,374 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:17:15,407 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:17:15,410 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:17:15,413 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:17:15,413 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:17:15,415 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54768c66-debb-4c99-9b5f-9a600b3ad230/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/product-lines/minepump_spec2_product40.cil.c [2023-11-23 21:17:18,551 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:17:18,853 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:17:18,854 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54768c66-debb-4c99-9b5f-9a600b3ad230/sv-benchmarks/c/product-lines/minepump_spec2_product40.cil.c [2023-11-23 21:17:18,867 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54768c66-debb-4c99-9b5f-9a600b3ad230/bin/utaipan-verify-mE87zJ7Ire/data/310e9c039/62d818699ed14e9f876da3511d4a651b/FLAG28f27dbf5 [2023-11-23 21:17:18,882 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54768c66-debb-4c99-9b5f-9a600b3ad230/bin/utaipan-verify-mE87zJ7Ire/data/310e9c039/62d818699ed14e9f876da3511d4a651b [2023-11-23 21:17:18,885 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:17:18,887 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:17:18,888 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:17:18,888 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:17:18,895 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:17:18,896 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:17:18" (1/1) ... [2023-11-23 21:17:18,898 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24dea905 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:18, skipping insertion in model container [2023-11-23 21:17:18,898 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:17:18" (1/1) ... [2023-11-23 21:17:18,945 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:17:19,235 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_54768c66-debb-4c99-9b5f-9a600b3ad230/sv-benchmarks/c/product-lines/minepump_spec2_product40.cil.c[17002,17015] [2023-11-23 21:17:19,256 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:17:19,269 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:17:19,282 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [49] [2023-11-23 21:17:19,284 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [91] [2023-11-23 21:17:19,285 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [191] [2023-11-23 21:17:19,285 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [264] [2023-11-23 21:17:19,285 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [468] [2023-11-23 21:17:19,285 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [834] [2023-11-23 21:17:19,286 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [843] [2023-11-23 21:17:19,286 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [943] [2023-11-23 21:17:19,393 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_54768c66-debb-4c99-9b5f-9a600b3ad230/sv-benchmarks/c/product-lines/minepump_spec2_product40.cil.c[17002,17015] [2023-11-23 21:17:19,399 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:17:19,423 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:17:19,424 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:19 WrapperNode [2023-11-23 21:17:19,424 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:17:19,425 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:17:19,425 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:17:19,426 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:17:19,434 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:19" (1/1) ... [2023-11-23 21:17:19,448 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:19" (1/1) ... [2023-11-23 21:17:19,487 INFO L138 Inliner]: procedures = 56, calls = 101, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 200 [2023-11-23 21:17:19,488 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:17:19,489 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:17:19,489 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:17:19,489 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:17:19,502 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:19" (1/1) ... [2023-11-23 21:17:19,502 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:19" (1/1) ... [2023-11-23 21:17:19,505 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:19" (1/1) ... [2023-11-23 21:17:19,505 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:19" (1/1) ... [2023-11-23 21:17:19,511 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:19" (1/1) ... [2023-11-23 21:17:19,518 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:19" (1/1) ... [2023-11-23 21:17:19,520 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:19" (1/1) ... [2023-11-23 21:17:19,522 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:19" (1/1) ... [2023-11-23 21:17:19,525 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:17:19,526 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:17:19,527 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:17:19,527 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:17:19,528 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:19" (1/1) ... [2023-11-23 21:17:19,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:17:19,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54768c66-debb-4c99-9b5f-9a600b3ad230/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:17:19,591 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54768c66-debb-4c99-9b5f-9a600b3ad230/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:17:19,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54768c66-debb-4c99-9b5f-9a600b3ad230/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:17:19,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:17:19,637 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-11-23 21:17:19,638 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-11-23 21:17:19,638 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-23 21:17:19,638 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-23 21:17:19,638 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-23 21:17:19,638 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-23 21:17:19,640 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-11-23 21:17:19,640 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-11-23 21:17:19,641 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-11-23 21:17:19,641 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-11-23 21:17:19,641 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-23 21:17:19,642 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-23 21:17:19,643 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-11-23 21:17:19,644 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-11-23 21:17:19,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:17:19,644 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-23 21:17:19,644 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-23 21:17:19,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:17:19,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:17:19,787 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:17:19,791 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:17:20,139 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:17:20,309 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:17:20,309 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 21:17:20,311 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:17:20 BoogieIcfgContainer [2023-11-23 21:17:20,311 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:17:20,314 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:17:20,314 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:17:20,317 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:17:20,318 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:17:18" (1/3) ... [2023-11-23 21:17:20,319 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1406adc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:17:20, skipping insertion in model container [2023-11-23 21:17:20,319 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:17:19" (2/3) ... [2023-11-23 21:17:20,319 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1406adc6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:17:20, skipping insertion in model container [2023-11-23 21:17:20,320 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:17:20" (3/3) ... [2023-11-23 21:17:20,321 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product40.cil.c [2023-11-23 21:17:20,341 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:17:20,341 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:17:20,396 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:17:20,404 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;@46b302c3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:17:20,405 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:17:20,410 INFO L276 IsEmpty]: Start isEmpty. Operand has 66 states, 42 states have (on average 1.4523809523809523) internal successors, (61), 51 states have internal predecessors, (61), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-23 21:17:20,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 21:17:20,422 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:17:20,423 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 21:17:20,424 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:17:20,432 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:17:20,432 INFO L85 PathProgramCache]: Analyzing trace with hash -2037591432, now seen corresponding path program 1 times [2023-11-23 21:17:20,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:17:20,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34379032] [2023-11-23 21:17:20,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:17:20,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:17:20,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:17:20,671 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 21:17:20,672 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:17:20,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34379032] [2023-11-23 21:17:20,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34379032] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:17:20,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:17:20,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:17:20,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533014928] [2023-11-23 21:17:20,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:17:20,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:17:20,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:17:20,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:17:20,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:17:20,722 INFO L87 Difference]: Start difference. First operand has 66 states, 42 states have (on average 1.4523809523809523) internal successors, (61), 51 states have internal predecessors, (61), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 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 21:17:20,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:17:20,791 INFO L93 Difference]: Finished difference Result 130 states and 179 transitions. [2023-11-23 21:17:20,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:17:20,795 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 21:17:20,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:17:20,807 INFO L225 Difference]: With dead ends: 130 [2023-11-23 21:17:20,807 INFO L226 Difference]: Without dead ends: 61 [2023-11-23 21:17:20,812 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 21:17:20,819 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:17:20,822 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 68 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:17:20,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2023-11-23 21:17:20,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2023-11-23 21:17:20,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 39 states have (on average 1.358974358974359) internal successors, (53), 47 states have internal predecessors, (53), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-23 21:17:20,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 80 transitions. [2023-11-23 21:17:20,867 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 80 transitions. Word has length 17 [2023-11-23 21:17:20,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:17:20,868 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 80 transitions. [2023-11-23 21:17:20,868 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 21:17:20,869 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 80 transitions. [2023-11-23 21:17:20,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 21:17:20,871 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:17:20,871 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 21:17:20,872 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:17:20,872 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:17:20,873 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:17:20,873 INFO L85 PathProgramCache]: Analyzing trace with hash 417514010, now seen corresponding path program 1 times [2023-11-23 21:17:20,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:17:20,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597457635] [2023-11-23 21:17:20,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:17:20,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:17:20,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:17:21,060 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 21:17:21,060 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:17:21,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597457635] [2023-11-23 21:17:21,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597457635] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:17:21,062 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:17:21,062 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:17:21,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297553110] [2023-11-23 21:17:21,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:17:21,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:17:21,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:17:21,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:17:21,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:17:21,071 INFO L87 Difference]: Start difference. First operand 61 states and 80 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 21:17:21,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:17:21,135 INFO L93 Difference]: Finished difference Result 94 states and 122 transitions. [2023-11-23 21:17:21,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:17:21,136 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 21:17:21,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:17:21,137 INFO L225 Difference]: With dead ends: 94 [2023-11-23 21:17:21,137 INFO L226 Difference]: Without dead ends: 53 [2023-11-23 21:17:21,138 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 21:17:21,140 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 14 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:17:21,140 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 92 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:17:21,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2023-11-23 21:17:21,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2023-11-23 21:17:21,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 34 states have (on average 1.3823529411764706) internal successors, (47), 42 states have internal predecessors, (47), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 8 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-23 21:17:21,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 69 transitions. [2023-11-23 21:17:21,152 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 69 transitions. Word has length 18 [2023-11-23 21:17:21,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:17:21,152 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 69 transitions. [2023-11-23 21:17:21,152 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 21:17:21,153 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 69 transitions. [2023-11-23 21:17:21,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 21:17:21,154 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:17:21,154 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 21:17:21,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 21:17:21,155 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:17:21,155 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:17:21,155 INFO L85 PathProgramCache]: Analyzing trace with hash 295217175, now seen corresponding path program 1 times [2023-11-23 21:17:21,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:17:21,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562633570] [2023-11-23 21:17:21,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:17:21,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:17:21,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:17:21,370 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 21:17:21,370 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:17:21,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562633570] [2023-11-23 21:17:21,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562633570] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:17:21,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:17:21,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 21:17:21,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712005864] [2023-11-23 21:17:21,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:17:21,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:17:21,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:17:21,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:17:21,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:17:21,374 INFO L87 Difference]: Start difference. First operand 53 states and 69 transitions. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 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 21:17:21,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:17:21,520 INFO L93 Difference]: Finished difference Result 138 states and 180 transitions. [2023-11-23 21:17:21,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 21:17:21,521 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 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 21:17:21,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:17:21,523 INFO L225 Difference]: With dead ends: 138 [2023-11-23 21:17:21,523 INFO L226 Difference]: Without dead ends: 87 [2023-11-23 21:17:21,524 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:17:21,526 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 92 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:17:21,527 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 137 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:17:21,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2023-11-23 21:17:21,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 84. [2023-11-23 21:17:21,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 55 states have (on average 1.3818181818181818) internal successors, (76), 66 states have internal predecessors, (76), 16 states have call successors, (16), 12 states have call predecessors, (16), 12 states have return successors, (17), 12 states have call predecessors, (17), 16 states have call successors, (17) [2023-11-23 21:17:21,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 109 transitions. [2023-11-23 21:17:21,546 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 109 transitions. Word has length 21 [2023-11-23 21:17:21,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:17:21,547 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 109 transitions. [2023-11-23 21:17:21,547 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 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 21:17:21,547 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 109 transitions. [2023-11-23 21:17:21,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 21:17:21,549 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:17:21,549 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:17:21,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-23 21:17:21,550 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:17:21,550 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:17:21,550 INFO L85 PathProgramCache]: Analyzing trace with hash 485959301, now seen corresponding path program 1 times [2023-11-23 21:17:21,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:17:21,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075009971] [2023-11-23 21:17:21,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:17:21,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:17:21,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:17:21,636 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 21:17:21,637 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:17:21,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075009971] [2023-11-23 21:17:21,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075009971] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:17:21,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:17:21,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:17:21,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540406885] [2023-11-23 21:17:21,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:17:21,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:17:21,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:17:21,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:17:21,640 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:17:21,640 INFO L87 Difference]: Start difference. First operand 84 states and 109 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 21:17:21,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:17:21,751 INFO L93 Difference]: Finished difference Result 166 states and 222 transitions. [2023-11-23 21:17:21,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:17:21,752 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 21:17:21,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:17:21,762 INFO L225 Difference]: With dead ends: 166 [2023-11-23 21:17:21,762 INFO L226 Difference]: Without dead ends: 164 [2023-11-23 21:17:21,763 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 21:17:21,766 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 45 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:17:21,771 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 104 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:17:21,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2023-11-23 21:17:21,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2023-11-23 21:17:21,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 107 states have (on average 1.3738317757009346) internal successors, (147), 128 states have internal predecessors, (147), 32 states have call successors, (32), 24 states have call predecessors, (32), 24 states have return successors, (40), 24 states have call predecessors, (40), 32 states have call successors, (40) [2023-11-23 21:17:21,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 219 transitions. [2023-11-23 21:17:21,810 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 219 transitions. Word has length 24 [2023-11-23 21:17:21,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:17:21,811 INFO L495 AbstractCegarLoop]: Abstraction has 164 states and 219 transitions. [2023-11-23 21:17:21,811 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 21:17:21,811 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 219 transitions. [2023-11-23 21:17:21,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-23 21:17:21,815 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:17:21,815 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 21:17:21,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-23 21:17:21,816 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:17:21,816 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:17:21,816 INFO L85 PathProgramCache]: Analyzing trace with hash -323365221, now seen corresponding path program 1 times [2023-11-23 21:17:21,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:17:21,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513553674] [2023-11-23 21:17:21,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:17:21,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:17:21,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:17:22,058 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 21:17:22,059 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:17:22,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513553674] [2023-11-23 21:17:22,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513553674] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:17:22,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [381600178] [2023-11-23 21:17:22,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:17:22,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:17:22,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54768c66-debb-4c99-9b5f-9a600b3ad230/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:17:22,065 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54768c66-debb-4c99-9b5f-9a600b3ad230/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:17:22,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54768c66-debb-4c99-9b5f-9a600b3ad230/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:17:22,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:17:22,206 INFO L262 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-23 21:17:22,217 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:17:22,376 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 21:17:22,377 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:17:22,528 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 21:17:22,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [381600178] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:17:22,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1253334097] [2023-11-23 21:17:22,548 INFO L159 IcfgInterpreter]: Started Sifa with 27 locations of interest [2023-11-23 21:17:22,549 INFO L166 IcfgInterpreter]: Building call graph [2023-11-23 21:17:22,552 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-23 21:17:22,560 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-23 21:17:22,561 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-23 21:17:26,152 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 145 for LOIs [2023-11-23 21:17:26,961 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 120 for LOIs [2023-11-23 21:17:27,007 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-23 21:17:35,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSifa [1253334097] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:17:35,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2023-11-23 21:17:35,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [7, 5, 5] total 27 [2023-11-23 21:17:35,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155659083] [2023-11-23 21:17:35,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:17:35,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-11-23 21:17:35,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:17:35,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-11-23 21:17:35,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=549, Unknown=0, NotChecked=0, Total=702 [2023-11-23 21:17:35,107 INFO L87 Difference]: Start difference. First operand 164 states and 219 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 21:17:37,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:17:37,733 INFO L93 Difference]: Finished difference Result 397 states and 548 transitions. [2023-11-23 21:17:37,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-23 21:17:37,735 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 21:17:37,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:17:37,738 INFO L225 Difference]: With dead ends: 397 [2023-11-23 21:17:37,739 INFO L226 Difference]: Without dead ends: 235 [2023-11-23 21:17:37,750 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 113 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 160 ImplicationChecksByTransitivity, 9.2s TimeCoverageRelationStatistics Valid=185, Invalid=685, Unknown=0, NotChecked=0, Total=870 [2023-11-23 21:17:37,752 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 50 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 482 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 482 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-23 21:17:37,753 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 226 Invalid, 523 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 482 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-23 21:17:37,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2023-11-23 21:17:37,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 216. [2023-11-23 21:17:37,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 147 states have (on average 1.346938775510204) internal successors, (198), 168 states have internal predecessors, (198), 38 states have call successors, (38), 30 states have call predecessors, (38), 30 states have return successors, (49), 30 states have call predecessors, (49), 38 states have call successors, (49) [2023-11-23 21:17:37,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 285 transitions. [2023-11-23 21:17:37,821 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 285 transitions. Word has length 45 [2023-11-23 21:17:37,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:17:37,822 INFO L495 AbstractCegarLoop]: Abstraction has 216 states and 285 transitions. [2023-11-23 21:17:37,822 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 21:17:37,822 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 285 transitions. [2023-11-23 21:17:37,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-23 21:17:37,832 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:17:37,832 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 21:17:37,866 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54768c66-debb-4c99-9b5f-9a600b3ad230/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:17:38,053 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54768c66-debb-4c99-9b5f-9a600b3ad230/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:17:38,054 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:17:38,054 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:17:38,054 INFO L85 PathProgramCache]: Analyzing trace with hash 1195324272, now seen corresponding path program 1 times [2023-11-23 21:17:38,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:17:38,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348840481] [2023-11-23 21:17:38,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:17:38,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:17:38,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:17:38,223 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 21:17:38,223 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:17:38,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348840481] [2023-11-23 21:17:38,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348840481] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:17:38,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1837361897] [2023-11-23 21:17:38,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:17:38,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:17:38,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54768c66-debb-4c99-9b5f-9a600b3ad230/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:17:38,242 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54768c66-debb-4c99-9b5f-9a600b3ad230/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:17:38,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54768c66-debb-4c99-9b5f-9a600b3ad230/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-23 21:17:38,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:17:38,322 INFO L262 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-23 21:17:38,325 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:17:38,455 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 21:17:38,456 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 21:17:38,578 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 21:17:38,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1837361897] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 21:17:38,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [311926937] [2023-11-23 21:17:38,584 INFO L159 IcfgInterpreter]: Started Sifa with 30 locations of interest [2023-11-23 21:17:38,584 INFO L166 IcfgInterpreter]: Building call graph [2023-11-23 21:17:38,585 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-23 21:17:38,585 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-23 21:17:38,585 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-23 21:17:42,400 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 53 for LOIs [2023-11-23 21:17:42,428 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 65 for LOIs [2023-11-23 21:17:43,021 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 54 for LOIs [2023-11-23 21:17:43,070 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-23 21:17:47,068 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '2724#(and (<= |timeShift___utac_acc__Specification2_spec__2_~tmp~0#1| 2147483647) (<= |timeShift_isPumpRunning_#res#1| 2147483647) (= |timeShift_isPumpRunning_#res#1| |timeShift___utac_acc__Specification2_spec__2_~tmp___0~0#1|) (= |timeShift_isPumpRunning_#res#1| ~pumpRunning~0) (not (= |timeShift___utac_acc__Specification2_spec__2_~tmp~0#1| 0)) (= 0 ~systemActive~0) (<= 0 (+ |timeShift___utac_acc__Specification2_spec__2_~tmp~0#1| 2147483648)) (<= 0 (+ |timeShift_isPumpRunning_#res#1| 2147483648)) (not (= |timeShift___utac_acc__Specification2_spec__2_~tmp___0~0#1| 0)) (not (= ~methAndRunningLastTime~0 0)))' at error location [2023-11-23 21:17:47,068 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-11-23 21:17:47,068 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-23 21:17:47,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 11 [2023-11-23 21:17:47,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149853418] [2023-11-23 21:17:47,069 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-23 21:17:47,071 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-23 21:17:47,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:17:47,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-23 21:17:47,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=1265, Unknown=0, NotChecked=0, Total=1406 [2023-11-23 21:17:47,074 INFO L87 Difference]: Start difference. First operand 216 states and 285 transitions. Second operand has 11 states, 10 states have (on average 7.7) internal successors, (77), 10 states have internal predecessors, (77), 6 states have call successors, (14), 5 states have call predecessors, (14), 6 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2023-11-23 21:17:48,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:17:48,506 INFO L93 Difference]: Finished difference Result 689 states and 950 transitions. [2023-11-23 21:17:48,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-11-23 21:17:48,510 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.7) internal successors, (77), 10 states have internal predecessors, (77), 6 states have call successors, (14), 5 states have call predecessors, (14), 6 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) Word has length 48 [2023-11-23 21:17:48,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:17:48,517 INFO L225 Difference]: With dead ends: 689 [2023-11-23 21:17:48,518 INFO L226 Difference]: Without dead ends: 475 [2023-11-23 21:17:48,523 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1337 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=392, Invalid=4164, Unknown=0, NotChecked=0, Total=4556 [2023-11-23 21:17:48,524 INFO L413 NwaCegarLoop]: 76 mSDtfsCounter, 301 mSDsluCounter, 352 mSDsCounter, 0 mSdLazyCounter, 601 mSolverCounterSat, 168 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 310 SdHoareTripleChecker+Valid, 428 SdHoareTripleChecker+Invalid, 769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 168 IncrementalHoareTripleChecker+Valid, 601 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-23 21:17:48,525 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [310 Valid, 428 Invalid, 769 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [168 Valid, 601 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-23 21:17:48,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 475 states. [2023-11-23 21:17:48,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 475 to 423. [2023-11-23 21:17:48,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 286 states have (on average 1.2657342657342658) internal successors, (362), 315 states have internal predecessors, (362), 72 states have call successors, (72), 58 states have call predecessors, (72), 64 states have return successors, (115), 67 states have call predecessors, (115), 72 states have call successors, (115) [2023-11-23 21:17:48,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 549 transitions. [2023-11-23 21:17:48,689 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 549 transitions. Word has length 48 [2023-11-23 21:17:48,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:17:48,691 INFO L495 AbstractCegarLoop]: Abstraction has 423 states and 549 transitions. [2023-11-23 21:17:48,692 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.7) internal successors, (77), 10 states have internal predecessors, (77), 6 states have call successors, (14), 5 states have call predecessors, (14), 6 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2023-11-23 21:17:48,692 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 549 transitions. [2023-11-23 21:17:48,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-23 21:17:48,699 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:17:48,699 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:17:48,725 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54768c66-debb-4c99-9b5f-9a600b3ad230/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-23 21:17:48,913 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54768c66-debb-4c99-9b5f-9a600b3ad230/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-23 21:17:48,913 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:17:48,913 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:17:48,914 INFO L85 PathProgramCache]: Analyzing trace with hash -409766047, now seen corresponding path program 1 times [2023-11-23 21:17:48,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:17:48,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55160310] [2023-11-23 21:17:48,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:17:48,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:17:48,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:17:49,294 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 19 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-23 21:17:49,294 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:17:49,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [55160310] [2023-11-23 21:17:49,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [55160310] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:17:49,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1645111630] [2023-11-23 21:17:49,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:17:49,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:17:49,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54768c66-debb-4c99-9b5f-9a600b3ad230/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:17:49,297 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54768c66-debb-4c99-9b5f-9a600b3ad230/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:17:49,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54768c66-debb-4c99-9b5f-9a600b3ad230/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-23 21:17:49,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:17:49,400 INFO L262 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 21:17:49,403 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:17:49,454 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:17:49,455 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:17:49,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1645111630] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:17:49,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 21:17:49,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2023-11-23 21:17:49,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098350308] [2023-11-23 21:17:49,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:17:49,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:17:49,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:17:49,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:17:49,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-11-23 21:17:49,458 INFO L87 Difference]: Start difference. First operand 423 states and 549 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2023-11-23 21:17:49,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:17:49,586 INFO L93 Difference]: Finished difference Result 793 states and 1034 transitions. [2023-11-23 21:17:49,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:17:49,590 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 60 [2023-11-23 21:17:49,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:17:49,595 INFO L225 Difference]: With dead ends: 793 [2023-11-23 21:17:49,595 INFO L226 Difference]: Without dead ends: 423 [2023-11-23 21:17:49,597 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-11-23 21:17:49,598 INFO L413 NwaCegarLoop]: 77 mSDtfsCounter, 31 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:17:49,599 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 113 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:17:49,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2023-11-23 21:17:49,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 423. [2023-11-23 21:17:49,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 423 states, 286 states have (on average 1.2237762237762237) internal successors, (350), 313 states have internal predecessors, (350), 72 states have call successors, (72), 58 states have call predecessors, (72), 64 states have return successors, (97), 67 states have call predecessors, (97), 72 states have call successors, (97) [2023-11-23 21:17:49,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 519 transitions. [2023-11-23 21:17:49,690 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 519 transitions. Word has length 60 [2023-11-23 21:17:49,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:17:49,691 INFO L495 AbstractCegarLoop]: Abstraction has 423 states and 519 transitions. [2023-11-23 21:17:49,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2023-11-23 21:17:49,691 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 519 transitions. [2023-11-23 21:17:49,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-23 21:17:49,694 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:17:49,695 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:17:49,715 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54768c66-debb-4c99-9b5f-9a600b3ad230/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-23 21:17:49,909 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54768c66-debb-4c99-9b5f-9a600b3ad230/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:17:49,910 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:17:49,910 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:17:49,910 INFO L85 PathProgramCache]: Analyzing trace with hash 2126134245, now seen corresponding path program 1 times [2023-11-23 21:17:49,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:17:49,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62253486] [2023-11-23 21:17:49,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:17:49,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:17:49,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:17:49,971 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-23 21:17:49,971 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:17:49,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62253486] [2023-11-23 21:17:49,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62253486] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:17:49,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:17:49,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 21:17:49,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593677821] [2023-11-23 21:17:49,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:17:49,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:17:49,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:17:49,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:17:49,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:17:49,974 INFO L87 Difference]: Start difference. First operand 423 states and 519 transitions. Second operand has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 4 states have internal predecessors, (49), 4 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2023-11-23 21:17:50,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:17:50,137 INFO L93 Difference]: Finished difference Result 765 states and 939 transitions. [2023-11-23 21:17:50,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 21:17:50,138 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 4 states have internal predecessors, (49), 4 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) Word has length 70 [2023-11-23 21:17:50,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:17:50,141 INFO L225 Difference]: With dead ends: 765 [2023-11-23 21:17:50,142 INFO L226 Difference]: Without dead ends: 395 [2023-11-23 21:17:50,143 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:17:50,144 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 85 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:17:50,145 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 120 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:17:50,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2023-11-23 21:17:50,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 350. [2023-11-23 21:17:50,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 350 states, 237 states have (on average 1.2151898734177216) internal successors, (288), 259 states have internal predecessors, (288), 58 states have call successors, (58), 48 states have call predecessors, (58), 54 states have return successors, (71), 58 states have call predecessors, (71), 58 states have call successors, (71) [2023-11-23 21:17:50,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 417 transitions. [2023-11-23 21:17:50,219 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 417 transitions. Word has length 70 [2023-11-23 21:17:50,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:17:50,220 INFO L495 AbstractCegarLoop]: Abstraction has 350 states and 417 transitions. [2023-11-23 21:17:50,220 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 4 states have internal predecessors, (49), 4 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2023-11-23 21:17:50,220 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 417 transitions. [2023-11-23 21:17:50,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-23 21:17:50,222 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:17:50,223 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:17:50,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-23 21:17:50,223 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:17:50,223 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:17:50,224 INFO L85 PathProgramCache]: Analyzing trace with hash 1784667997, now seen corresponding path program 1 times [2023-11-23 21:17:50,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:17:50,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589664932] [2023-11-23 21:17:50,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:17:50,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:17:50,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:17:50,571 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-23 21:17:50,571 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:17:50,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589664932] [2023-11-23 21:17:50,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1589664932] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:17:50,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1921510659] [2023-11-23 21:17:50,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:17:50,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:17:50,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54768c66-debb-4c99-9b5f-9a600b3ad230/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:17:50,574 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54768c66-debb-4c99-9b5f-9a600b3ad230/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:17:50,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54768c66-debb-4c99-9b5f-9a600b3ad230/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-23 21:17:50,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:17:50,662 INFO L262 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-23 21:17:50,668 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:17:50,993 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 21:17:50,993 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:17:50,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1921510659] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:17:50,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 21:17:50,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 17 [2023-11-23 21:17:50,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61087669] [2023-11-23 21:17:50,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:17:50,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-23 21:17:50,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:17:50,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-23 21:17:50,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=216, Unknown=0, NotChecked=0, Total=272 [2023-11-23 21:17:50,996 INFO L87 Difference]: Start difference. First operand 350 states and 417 transitions. Second operand has 10 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 5 states have call successors, (9), 5 states have call predecessors, (9), 4 states have return successors, (8), 3 states have call predecessors, (8), 5 states have call successors, (8) [2023-11-23 21:17:51,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:17:51,563 INFO L93 Difference]: Finished difference Result 842 states and 1021 transitions. [2023-11-23 21:17:51,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-23 21:17:51,564 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 5 states have call successors, (9), 5 states have call predecessors, (9), 4 states have return successors, (8), 3 states have call predecessors, (8), 5 states have call successors, (8) Word has length 67 [2023-11-23 21:17:51,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:17:51,568 INFO L225 Difference]: With dead ends: 842 [2023-11-23 21:17:51,569 INFO L226 Difference]: Without dead ends: 524 [2023-11-23 21:17:51,570 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 59 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=107, Invalid=399, Unknown=0, NotChecked=0, Total=506 [2023-11-23 21:17:51,574 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 219 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 335 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 231 SdHoareTripleChecker+Valid, 277 SdHoareTripleChecker+Invalid, 426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 335 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-23 21:17:51,574 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [231 Valid, 277 Invalid, 426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 335 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-23 21:17:51,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2023-11-23 21:17:51,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 466. [2023-11-23 21:17:51,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 466 states, 325 states have (on average 1.2338461538461538) internal successors, (401), 352 states have internal predecessors, (401), 71 states have call successors, (71), 66 states have call predecessors, (71), 69 states have return successors, (81), 72 states have call predecessors, (81), 71 states have call successors, (81) [2023-11-23 21:17:51,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 466 states and 553 transitions. [2023-11-23 21:17:51,699 INFO L78 Accepts]: Start accepts. Automaton has 466 states and 553 transitions. Word has length 67 [2023-11-23 21:17:51,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:17:51,701 INFO L495 AbstractCegarLoop]: Abstraction has 466 states and 553 transitions. [2023-11-23 21:17:51,701 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 5 states have call successors, (9), 5 states have call predecessors, (9), 4 states have return successors, (8), 3 states have call predecessors, (8), 5 states have call successors, (8) [2023-11-23 21:17:51,705 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 553 transitions. [2023-11-23 21:17:51,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-23 21:17:51,708 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:17:51,709 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:17:51,737 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54768c66-debb-4c99-9b5f-9a600b3ad230/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-23 21:17:51,926 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54768c66-debb-4c99-9b5f-9a600b3ad230/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:17:51,927 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:17:51,927 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:17:51,927 INFO L85 PathProgramCache]: Analyzing trace with hash 1904000626, now seen corresponding path program 1 times [2023-11-23 21:17:51,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:17:51,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413110247] [2023-11-23 21:17:51,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:17:51,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:17:51,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:17:52,138 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-23 21:17:52,139 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:17:52,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413110247] [2023-11-23 21:17:52,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413110247] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 21:17:52,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1953891629] [2023-11-23 21:17:52,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:17:52,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:17:52,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54768c66-debb-4c99-9b5f-9a600b3ad230/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:17:52,142 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54768c66-debb-4c99-9b5f-9a600b3ad230/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:17:52,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54768c66-debb-4c99-9b5f-9a600b3ad230/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-23 21:17:52,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:17:52,235 INFO L262 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-23 21:17:52,239 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:17:52,336 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 21:17:52,336 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:17:52,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1953891629] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:17:52,337 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-23 21:17:52,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [10] total 16 [2023-11-23 21:17:52,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589052875] [2023-11-23 21:17:52,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:17:52,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-23 21:17:52,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:17:52,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-23 21:17:52,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2023-11-23 21:17:52,339 INFO L87 Difference]: Start difference. First operand 466 states and 553 transitions. Second operand has 9 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 2 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (9), 4 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-23 21:17:52,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:17:52,687 INFO L93 Difference]: Finished difference Result 1174 states and 1416 transitions. [2023-11-23 21:17:52,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-23 21:17:52,688 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 2 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (9), 4 states have call predecessors, (9), 2 states have call successors, (9) Word has length 70 [2023-11-23 21:17:52,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:17:52,690 INFO L225 Difference]: With dead ends: 1174 [2023-11-23 21:17:52,690 INFO L226 Difference]: Without dead ends: 0 [2023-11-23 21:17:52,693 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=323, Unknown=0, NotChecked=0, Total=380 [2023-11-23 21:17:52,694 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 47 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:17:52,695 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 268 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:17:52,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-23 21:17:52,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-23 21:17:52,696 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 21:17:52,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-23 21:17:52,697 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 70 [2023-11-23 21:17:52,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:17:52,697 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-23 21:17:52,698 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 2 states have call successors, (9), 2 states have call predecessors, (9), 4 states have return successors, (9), 4 states have call predecessors, (9), 2 states have call successors, (9) [2023-11-23 21:17:52,698 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-23 21:17:52,698 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 21:17:52,701 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:17:52,725 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54768c66-debb-4c99-9b5f-9a600b3ad230/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-23 21:17:52,917 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54768c66-debb-4c99-9b5f-9a600b3ad230/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:17:52,920 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-23 21:18:01,781 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 362 369) no Hoare annotation was computed. [2023-11-23 21:18:01,781 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 362 369) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (< |old(~pumpRunning~0)| 1)) [2023-11-23 21:18:01,781 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 295 301) no Hoare annotation was computed. [2023-11-23 21:18:01,782 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 295 301) the Hoare annotation is: true [2023-11-23 21:18:01,782 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 124 135) the Hoare annotation is: (let ((.cse7 (= ~methaneLevelCritical~0 0)) (.cse2 (= |old(~methaneLevelCritical~0)| 0))) (let ((.cse0 (< ~pumpRunning~0 1)) (.cse1 (not (= 1 ~systemActive~0))) (.cse6 (not .cse2)) (.cse4 (not (= ~pumpRunning~0 0))) (.cse3 (not .cse7)) (.cse5 (not (= ~methAndRunningLastTime~0 0))) (.cse8 (not (= 0 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 (< ~waterLevel~0 2)) (or .cse4 .cse1 .cse2 .cse3 .cse5) (or .cse6 .cse4 .cse7 .cse1 .cse5) (or .cse0 .cse6 .cse7 .cse1 .cse5) (or .cse6 .cse4 .cse7 .cse5 .cse8) (or .cse4 .cse2 .cse3 .cse5 .cse8)))) [2023-11-23 21:18:01,782 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 124 135) no Hoare annotation was computed. [2023-11-23 21:18:01,782 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 845 874) no Hoare annotation was computed. [2023-11-23 21:18:01,782 INFO L899 garLoopResultBuilder]: For program point L859(lines 859 863) no Hoare annotation was computed. [2023-11-23 21:18:01,782 INFO L902 garLoopResultBuilder]: At program point L859-1(lines 859 863) the Hoare annotation is: true [2023-11-23 21:18:01,782 INFO L902 garLoopResultBuilder]: At program point L855-2(lines 855 869) the Hoare annotation is: true [2023-11-23 21:18:01,783 INFO L902 garLoopResultBuilder]: At program point L851(line 851) the Hoare annotation is: true [2023-11-23 21:18:01,783 INFO L899 garLoopResultBuilder]: For program point L851-1(line 851) no Hoare annotation was computed. [2023-11-23 21:18:01,783 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 845 874) the Hoare annotation is: true [2023-11-23 21:18:01,783 INFO L899 garLoopResultBuilder]: For program point L870(lines 845 874) no Hoare annotation was computed. [2023-11-23 21:18:01,783 INFO L899 garLoopResultBuilder]: For program point L866(line 866) no Hoare annotation was computed. [2023-11-23 21:18:01,783 INFO L899 garLoopResultBuilder]: For program point L275-1(lines 274 293) no Hoare annotation was computed. [2023-11-23 21:18:01,784 INFO L899 garLoopResultBuilder]: For program point L337(lines 337 345) no Hoare annotation was computed. [2023-11-23 21:18:01,784 INFO L899 garLoopResultBuilder]: For program point L333(lines 333 350) no Hoare annotation was computed. [2023-11-23 21:18:01,784 INFO L895 garLoopResultBuilder]: At program point L375(line 375) the Hoare annotation is: (let ((.cse0 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (< |old(~pumpRunning~0)| 1)) (.cse3 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (and (<= ~waterLevel~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) (< ~waterLevel~0 |old(~waterLevel~0)|))) .cse2) (or .cse3 (not (= 0 ~systemActive~0))))) [2023-11-23 21:18:01,784 INFO L899 garLoopResultBuilder]: For program point L375-1(line 375) no Hoare annotation was computed. [2023-11-23 21:18:01,784 INFO L899 garLoopResultBuilder]: For program point L74(lines 74 84) no Hoare annotation was computed. [2023-11-23 21:18:01,784 INFO L899 garLoopResultBuilder]: For program point L70(lines 70 87) no Hoare annotation was computed. [2023-11-23 21:18:01,785 INFO L899 garLoopResultBuilder]: For program point L70-1(lines 62 90) no Hoare annotation was computed. [2023-11-23 21:18:01,785 INFO L895 garLoopResultBuilder]: At program point L343(line 343) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (< |old(~pumpRunning~0)| 1)) (.cse2 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |timeShift_processEnvironment_~tmp~3#1| 0) (or (and (<= ~waterLevel~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) (< ~waterLevel~0 |old(~waterLevel~0)|))) .cse1) (or .cse2 (not (= |old(~methAndRunningLastTime~0)| 0)) .cse0) (or (= ~methaneLevelCritical~0 0) .cse0 .cse1) (or .cse2 (not (= 0 ~systemActive~0))))) [2023-11-23 21:18:01,785 INFO L895 garLoopResultBuilder]: At program point L339(line 339) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~methaneLevelCritical~0 0)) (= |timeShift_processEnvironment_~tmp~3#1| ~methaneLevelCritical~0) (or (and (<= ~waterLevel~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) (< ~waterLevel~0 |old(~waterLevel~0)|))) (< |old(~pumpRunning~0)| 1)) (or .cse1 (not (= |old(~methAndRunningLastTime~0)| 0)) .cse0) (or .cse1 (not (= 0 ~systemActive~0))))) [2023-11-23 21:18:01,785 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 81) no Hoare annotation was computed. [2023-11-23 21:18:01,786 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 271 294) the Hoare annotation is: (let ((.cse12 (= 0 ~systemActive~0)) (.cse2 (= ~methaneLevelCritical~0 0))) (let ((.cse7 (< |old(~pumpRunning~0)| 1)) (.cse4 (not .cse2)) (.cse10 (< 1 |old(~waterLevel~0)|)) (.cse11 (<= ~waterLevel~0 1)) (.cse3 (not .cse12)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (not (= 1 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse9 (= ~methAndRunningLastTime~0 0)) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse5 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse6) .cse7) (or .cse8 .cse9 .cse2 .cse5 .cse7) (or .cse10 .cse0 .cse11 .cse4 .cse3) (or (= |old(~waterLevel~0)| ~waterLevel~0) .cse12 (forall ((|v_ULTIMATE.start_main_~tmp~8#1_BEFORE_CALL_5| Int) (|v_ULTIMATE.start_valid_product_#res#1_BEFORE_CALL_5| Int) (|v_ULTIMATE.start_test_~tmp___2~0#1_BEFORE_CALL_5| Int) (|v_ULTIMATE.start_test_~tmp___1~0#1_BEFORE_CALL_5| Int) (|v_ULTIMATE.start_test_~tmp~1#1_BEFORE_CALL_5| Int) (|v_ULTIMATE.start_test_~splverifierCounter~0#1_BEFORE_CALL_5| Int) (|v_ULTIMATE.start_test_~tmp___0~1#1_BEFORE_CALL_5| Int)) (let ((.cse16 (= |v_ULTIMATE.start_test_~tmp___1~0#1_BEFORE_CALL_5| 0))) (or (let ((.cse13 (not (= |old(~waterLevel~0)| 1))) (.cse14 (not (= |v_ULTIMATE.start_valid_product_#res#1_BEFORE_CALL_5| 1))) (.cse15 (not (= ~head~0.offset 0))) (.cse17 (not (= |v_ULTIMATE.start_test_~splverifierCounter~0#1_BEFORE_CALL_5| 0))) (.cse18 (not (= |v_ULTIMATE.start_main_~tmp~8#1_BEFORE_CALL_5| 1))) (.cse19 (< |#StackHeapBarrier| 1)) (.cse20 (not (= |v_ULTIMATE.start_test_~tmp___2~0#1_BEFORE_CALL_5| 0))) (.cse21 (not (= |v_ULTIMATE.start_test_~tmp~1#1_BEFORE_CALL_5| 0))) (.cse22 (not (= |v_ULTIMATE.start_test_~tmp___0~1#1_BEFORE_CALL_5| 0))) (.cse23 (not (= ~head~0.base 0))) (.cse24 (not (= ~cleanupTimeShifts~0 4)))) (and (or .cse0 .cse8 .cse13 .cse14 .cse15 (not .cse16) .cse4 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24) (or .cse0 .cse8 .cse13 .cse14 .cse15 .cse4 (< (+ |v_ULTIMATE.start_test_~tmp___1~0#1_BEFORE_CALL_5| 2147483648) 0) .cse17 .cse18 (< 2147483647 |v_ULTIMATE.start_test_~tmp___1~0#1_BEFORE_CALL_5|) .cse19 .cse20 .cse21 .cse22 .cse23 .cse3 .cse24))) (let ((.cse58 (select |#memory_int| 1))) (let ((.cse25 (not (= (select |#length| 12) 25))) (.cse26 (not (= (select .cse58 0) 48))) (.cse27 (not (= 9 (select |#length| 11)))) (.cse28 (not (= 9 (select |#length| 5)))) (.cse29 (not (= 30 (select |#length| 7)))) (.cse30 (not (= 31 (select |#length| 2)))) (.cse31 (not (= (select |#valid| 12) 1))) (.cse32 (not (= 2 (select |#length| 1)))) (.cse33 (not (= 9 (select |#length| 14)))) (.cse34 (not (= (select |#length| 15) 25))) (.cse35 (not (= (select |#valid| 6) 1))) (.cse36 (not (= (select |#valid| 3) 1))) (.cse37 (not (= (select |#valid| 11) 1))) (.cse38 (not (= (select |#length| 9) 21))) (.cse39 (not (= 30 (select |#length| 10)))) (.cse40 (not (= (select |#valid| 15) 1))) (.cse41 (not (= (select |#length| 6) 21))) (.cse42 (not (= 1 (select |#valid| 5)))) (.cse43 (not (= (select |#length| 8) 9))) (.cse44 (not (= (select |#length| 3) 12))) (.cse45 (not (= (select |#valid| 0) 0))) (.cse46 (not (= (select .cse58 1) 0))) (.cse47 (not (= (select |#valid| 1) 1))) (.cse48 (not (= (select |#valid| 8) 1))) (.cse49 (not (= 30 (select |#length| 13)))) (.cse50 (not (= (select |#valid| 4) 1))) (.cse51 (not (= (select |#valid| 7) 1))) (.cse52 (not (= (select |#valid| 10) 1))) (.cse53 (not (= (select |#valid| 14) 1))) (.cse54 (not (= (select |#valid| 13) 1))) (.cse55 (not (= 30 (select |#length| 4)))) (.cse56 (not (= (select |#valid| 2) 1))) (.cse57 (not (= (select |#valid| 9) 1)))) (and (or .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35 .cse36 .cse37 .cse38 .cse39 .cse40 .cse41 .cse42 .cse43 .cse44 .cse45 .cse16 .cse46 .cse47 .cse48 .cse49 .cse50 .cse51 .cse52 .cse53 .cse54 .cse55 .cse56 .cse57) (or .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse5 .cse34 .cse35 .cse36 .cse37 .cse38 .cse39 .cse40 .cse41 .cse42 .cse43 .cse44 .cse45 .cse46 .cse47 .cse48 .cse49 .cse50 .cse51 .cse52 .cse53 .cse54 .cse55 .cse56 .cse57)))))))) (or .cse10 .cse0 .cse2 .cse11 .cse3) (or .cse0 .cse8 .cse5 (and .cse1 .cse9 .cse6))))) [2023-11-23 21:18:01,786 INFO L899 garLoopResultBuilder]: For program point L839(line 839) no Hoare annotation was computed. [2023-11-23 21:18:01,787 INFO L895 garLoopResultBuilder]: At program point L348(line 348) the Hoare annotation is: (let ((.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse3 (not (= 1 ~systemActive~0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse17 (not (= 0 ~systemActive~0)))) (and (or .cse0 .cse1 (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (or (< ~waterLevel~0 |old(~waterLevel~0)|) .cse2)) .cse3) (or .cse3 (< |old(~pumpRunning~0)| 1)) (or .cse2 (forall ((|v_ULTIMATE.start_main_~tmp~8#1_BEFORE_CALL_5| Int) (|v_ULTIMATE.start_valid_product_#res#1_BEFORE_CALL_5| Int) (|v_ULTIMATE.start_test_~tmp___2~0#1_BEFORE_CALL_5| Int) (|v_ULTIMATE.start_test_~tmp___1~0#1_BEFORE_CALL_5| Int) (|v_ULTIMATE.start_test_~tmp~1#1_BEFORE_CALL_5| Int) (|v_ULTIMATE.start_test_~splverifierCounter~0#1_BEFORE_CALL_5| Int) (|v_ULTIMATE.start_test_~tmp___0~1#1_BEFORE_CALL_5| Int)) (let ((.cse7 (= |v_ULTIMATE.start_test_~tmp___1~0#1_BEFORE_CALL_5| 0))) (or (let ((.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse5 (not (= |v_ULTIMATE.start_valid_product_#res#1_BEFORE_CALL_5| 1))) (.cse6 (not (= ~head~0.offset 0))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse9 (not (= |v_ULTIMATE.start_test_~splverifierCounter~0#1_BEFORE_CALL_5| 0))) (.cse10 (not (= |v_ULTIMATE.start_main_~tmp~8#1_BEFORE_CALL_5| 1))) (.cse11 (< |#StackHeapBarrier| 1)) (.cse12 (not (= |v_ULTIMATE.start_test_~tmp___2~0#1_BEFORE_CALL_5| 0))) (.cse13 (not (= |v_ULTIMATE.start_test_~tmp~1#1_BEFORE_CALL_5| 0))) (.cse14 (not (= |v_ULTIMATE.start_test_~tmp___0~1#1_BEFORE_CALL_5| 0))) (.cse15 (not (= ~head~0.base 0))) (.cse16 (not (= ~cleanupTimeShifts~0 4)))) (and (or .cse0 .cse1 .cse4 .cse5 .cse6 (not .cse7) .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16) (or .cse0 .cse1 .cse4 .cse5 .cse6 .cse8 (< (+ |v_ULTIMATE.start_test_~tmp___1~0#1_BEFORE_CALL_5| 2147483648) 0) .cse9 .cse10 (< 2147483647 |v_ULTIMATE.start_test_~tmp___1~0#1_BEFORE_CALL_5|) .cse11 .cse12 .cse13 .cse14 .cse15 .cse17 .cse16))) (let ((.cse51 (select |#memory_int| 1))) (let ((.cse18 (not (= (select |#length| 12) 25))) (.cse19 (not (= (select .cse51 0) 48))) (.cse20 (not (= 9 (select |#length| 11)))) (.cse21 (not (= 9 (select |#length| 5)))) (.cse22 (not (= 30 (select |#length| 7)))) (.cse23 (not (= 31 (select |#length| 2)))) (.cse24 (not (= (select |#valid| 12) 1))) (.cse25 (not (= 2 (select |#length| 1)))) (.cse26 (not (= 9 (select |#length| 14)))) (.cse27 (not (= (select |#length| 15) 25))) (.cse28 (not (= (select |#valid| 6) 1))) (.cse29 (not (= (select |#valid| 3) 1))) (.cse30 (not (= (select |#valid| 11) 1))) (.cse31 (not (= (select |#length| 9) 21))) (.cse32 (not (= 30 (select |#length| 10)))) (.cse33 (not (= (select |#valid| 15) 1))) (.cse34 (not (= (select |#length| 6) 21))) (.cse35 (not (= 1 (select |#valid| 5)))) (.cse36 (not (= (select |#length| 8) 9))) (.cse37 (not (= (select |#length| 3) 12))) (.cse38 (not (= (select |#valid| 0) 0))) (.cse39 (not (= (select .cse51 1) 0))) (.cse40 (not (= (select |#valid| 1) 1))) (.cse41 (not (= (select |#valid| 8) 1))) (.cse42 (not (= 30 (select |#length| 13)))) (.cse43 (not (= (select |#valid| 4) 1))) (.cse44 (not (= (select |#valid| 7) 1))) (.cse45 (not (= (select |#valid| 10) 1))) (.cse46 (not (= (select |#valid| 14) 1))) (.cse47 (not (= (select |#valid| 13) 1))) (.cse48 (not (= 30 (select |#length| 4)))) (.cse49 (not (= (select |#valid| 2) 1))) (.cse50 (not (= (select |#valid| 9) 1)))) (and (or .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35 .cse36 .cse37 .cse38 .cse7 .cse39 .cse40 .cse41 .cse42 .cse43 .cse44 .cse45 .cse46 .cse47 .cse48 .cse49 .cse50) (or .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse3 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35 .cse36 .cse37 .cse38 .cse39 .cse40 .cse41 .cse42 .cse43 .cse44 .cse45 .cse46 .cse47 .cse48 .cse49 .cse50)))))))) (or .cse0 .cse17))) [2023-11-23 21:18:01,787 INFO L899 garLoopResultBuilder]: For program point L348-1(lines 329 353) no Hoare annotation was computed. [2023-11-23 21:18:01,788 INFO L899 garLoopResultBuilder]: For program point L282-1(lines 282 288) no Hoare annotation was computed. [2023-11-23 21:18:01,788 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 271 294) no Hoare annotation was computed. [2023-11-23 21:18:01,788 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 839) no Hoare annotation was computed. [2023-11-23 21:18:01,789 INFO L895 garLoopResultBuilder]: At program point L68(line 68) the Hoare annotation is: (let ((.cse14 (= 0 ~systemActive~0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse13 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse7 (< |old(~pumpRunning~0)| 1)) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse10 (or (and .cse1 .cse13) (and (<= ~waterLevel~0 0) .cse13) (< ~waterLevel~0 |old(~waterLevel~0)|))) (.cse8 (< 1 |old(~waterLevel~0)|)) (.cse9 (<= ~waterLevel~0 1)) (.cse11 (= ~methAndRunningLastTime~0 0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse12 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse4 (not .cse2)) (.cse3 (not .cse14)) (.cse5 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse5 .cse4 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse6) .cse7) (or .cse8 .cse0 .cse9 .cse4 .cse3) (or .cse2 .cse5 .cse7 (and .cse1 .cse10)) (or .cse0 (and (<= 1 ~pumpRunning~0) .cse11 (<= 2 ~waterLevel~0) .cse6) .cse12 .cse5 (and .cse1 .cse9 .cse10)) (or .cse8 .cse0 .cse2 .cse9 .cse3) (or (and .cse11 .cse13) .cse14 (forall ((|v_ULTIMATE.start_main_~tmp~8#1_BEFORE_CALL_5| Int) (|v_ULTIMATE.start_valid_product_#res#1_BEFORE_CALL_5| Int) (|v_ULTIMATE.start_test_~tmp___2~0#1_BEFORE_CALL_5| Int) (|v_ULTIMATE.start_test_~tmp___1~0#1_BEFORE_CALL_5| Int) (|v_ULTIMATE.start_test_~tmp~1#1_BEFORE_CALL_5| Int) (|v_ULTIMATE.start_test_~splverifierCounter~0#1_BEFORE_CALL_5| Int) (|v_ULTIMATE.start_test_~tmp___0~1#1_BEFORE_CALL_5| Int)) (let ((.cse18 (= |v_ULTIMATE.start_test_~tmp___1~0#1_BEFORE_CALL_5| 0))) (or (let ((.cse15 (not (= |old(~waterLevel~0)| 1))) (.cse16 (not (= |v_ULTIMATE.start_valid_product_#res#1_BEFORE_CALL_5| 1))) (.cse17 (not (= ~head~0.offset 0))) (.cse19 (not (= |v_ULTIMATE.start_test_~splverifierCounter~0#1_BEFORE_CALL_5| 0))) (.cse20 (not (= |v_ULTIMATE.start_main_~tmp~8#1_BEFORE_CALL_5| 1))) (.cse21 (< |#StackHeapBarrier| 1)) (.cse22 (not (= |v_ULTIMATE.start_test_~tmp___2~0#1_BEFORE_CALL_5| 0))) (.cse23 (not (= |v_ULTIMATE.start_test_~tmp~1#1_BEFORE_CALL_5| 0))) (.cse24 (not (= |v_ULTIMATE.start_test_~tmp___0~1#1_BEFORE_CALL_5| 0))) (.cse25 (not (= ~head~0.base 0))) (.cse26 (not (= ~cleanupTimeShifts~0 4)))) (and (or .cse0 .cse12 .cse15 .cse16 .cse17 (not .cse18) .cse4 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26) (or .cse0 .cse12 .cse15 .cse16 .cse17 .cse4 (< (+ |v_ULTIMATE.start_test_~tmp___1~0#1_BEFORE_CALL_5| 2147483648) 0) .cse19 .cse20 (< 2147483647 |v_ULTIMATE.start_test_~tmp___1~0#1_BEFORE_CALL_5|) .cse21 .cse22 .cse23 .cse24 .cse25 .cse3 .cse26))) (let ((.cse60 (select |#memory_int| 1))) (let ((.cse27 (not (= (select |#length| 12) 25))) (.cse28 (not (= (select .cse60 0) 48))) (.cse29 (not (= 9 (select |#length| 11)))) (.cse30 (not (= 9 (select |#length| 5)))) (.cse31 (not (= 30 (select |#length| 7)))) (.cse32 (not (= 31 (select |#length| 2)))) (.cse33 (not (= (select |#valid| 12) 1))) (.cse34 (not (= 2 (select |#length| 1)))) (.cse35 (not (= 9 (select |#length| 14)))) (.cse36 (not (= (select |#length| 15) 25))) (.cse37 (not (= (select |#valid| 6) 1))) (.cse38 (not (= (select |#valid| 3) 1))) (.cse39 (not (= (select |#valid| 11) 1))) (.cse40 (not (= (select |#length| 9) 21))) (.cse41 (not (= 30 (select |#length| 10)))) (.cse42 (not (= (select |#valid| 15) 1))) (.cse43 (not (= (select |#length| 6) 21))) (.cse44 (not (= 1 (select |#valid| 5)))) (.cse45 (not (= (select |#length| 8) 9))) (.cse46 (not (= (select |#length| 3) 12))) (.cse47 (not (= (select |#valid| 0) 0))) (.cse48 (not (= (select .cse60 1) 0))) (.cse49 (not (= (select |#valid| 1) 1))) (.cse50 (not (= (select |#valid| 8) 1))) (.cse51 (not (= 30 (select |#length| 13)))) (.cse52 (not (= (select |#valid| 4) 1))) (.cse53 (not (= (select |#valid| 7) 1))) (.cse54 (not (= (select |#valid| 10) 1))) (.cse55 (not (= (select |#valid| 14) 1))) (.cse56 (not (= (select |#valid| 13) 1))) (.cse57 (not (= 30 (select |#length| 4)))) (.cse58 (not (= (select |#valid| 2) 1))) (.cse59 (not (= (select |#valid| 9) 1)))) (and (or .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35 .cse36 .cse37 .cse38 .cse39 .cse40 .cse41 .cse42 .cse43 .cse44 .cse45 .cse46 .cse47 .cse18 .cse48 .cse49 .cse50 .cse51 .cse52 .cse53 .cse54 .cse55 .cse56 .cse57 .cse58 .cse59) (or .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34 .cse35 .cse5 .cse36 .cse37 .cse38 .cse39 .cse40 .cse41 .cse42 .cse43 .cse44 .cse45 .cse46 .cse47 .cse48 .cse49 .cse50 .cse51 .cse52 .cse53 .cse54 .cse55 .cse56 .cse57 .cse58 .cse59))))))))))) [2023-11-23 21:18:01,789 INFO L899 garLoopResultBuilder]: For program point L68-1(line 68) no Hoare annotation was computed. [2023-11-23 21:18:01,789 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 136 144) the Hoare annotation is: true [2023-11-23 21:18:01,789 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 136 144) no Hoare annotation was computed. [2023-11-23 21:18:01,789 INFO L899 garLoopResultBuilder]: For program point L259(lines 196 263) no Hoare annotation was computed. [2023-11-23 21:18:01,789 INFO L899 garLoopResultBuilder]: For program point L226(lines 226 232) no Hoare annotation was computed. [2023-11-23 21:18:01,789 INFO L899 garLoopResultBuilder]: For program point L226-1(lines 226 232) no Hoare annotation was computed. [2023-11-23 21:18:01,790 INFO L899 garLoopResultBuilder]: For program point L449(lines 449 455) no Hoare annotation was computed. [2023-11-23 21:18:01,790 INFO L899 garLoopResultBuilder]: For program point L449-1(lines 449 455) no Hoare annotation was computed. [2023-11-23 21:18:01,790 INFO L895 garLoopResultBuilder]: At program point L218(line 218) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (= ~methAndRunningLastTime~0 0)) (.cse3 (= |ULTIMATE.start_main_~tmp~8#1| 1)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 (not .cse2) .cse3 .cse4) (and .cse5 .cse6 .cse1 .cse3 .cse4) (and .cse0 .cse6 .cse2 .cse1 .cse3 .cse4) (and .cse5 .cse6 .cse3 .cse4 (= 0 ~systemActive~0)))) [2023-11-23 21:18:01,790 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-23 21:18:01,790 INFO L895 garLoopResultBuilder]: At program point L256(lines 205 257) the Hoare annotation is: false [2023-11-23 21:18:01,790 INFO L899 garLoopResultBuilder]: For program point L244(lines 244 250) no Hoare annotation was computed. [2023-11-23 21:18:01,790 INFO L895 garLoopResultBuilder]: At program point L244-2(lines 236 251) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_main_~tmp~8#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 (= 0 ~systemActive~0)) (and .cse0 (= ~methAndRunningLastTime~0 0) .cse3 .cse1 .cse2) (and (<= 1 ~pumpRunning~0) .cse3 .cse1 .cse2))) [2023-11-23 21:18:01,791 INFO L899 garLoopResultBuilder]: For program point L207(lines 206 255) no Hoare annotation was computed. [2023-11-23 21:18:01,791 INFO L899 garLoopResultBuilder]: For program point L236(lines 236 251) no Hoare annotation was computed. [2023-11-23 21:18:01,791 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-23 21:18:01,791 INFO L895 garLoopResultBuilder]: At program point L228(line 228) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (= ~methAndRunningLastTime~0 0)) (.cse3 (= |ULTIMATE.start_main_~tmp~8#1| 1)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 (not .cse2) .cse3 .cse4) (and .cse5 .cse6 .cse1 .cse3 .cse4) (and .cse0 .cse6 .cse2 .cse1 .cse3 .cse4) (and .cse5 .cse6 .cse3 .cse4 (= 0 ~systemActive~0)))) [2023-11-23 21:18:01,791 INFO L895 garLoopResultBuilder]: At program point L451(line 451) the Hoare annotation is: (and (<= 1 ~pumpRunning~0) (= 1 ~systemActive~0) (= |ULTIMATE.start_main_~tmp~8#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-23 21:18:01,791 INFO L899 garLoopResultBuilder]: For program point L930(lines 930 937) no Hoare annotation was computed. [2023-11-23 21:18:01,792 INFO L899 garLoopResultBuilder]: For program point L930-2(lines 930 937) no Hoare annotation was computed. [2023-11-23 21:18:01,792 INFO L895 garLoopResultBuilder]: At program point L253(lines 206 255) the Hoare annotation is: (let ((.cse0 (<= 1 ~pumpRunning~0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (= ~methAndRunningLastTime~0 0)) (.cse3 (= |ULTIMATE.start_main_~tmp~8#1| 1)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 (not .cse2) .cse3 .cse4) (and .cse5 .cse6 .cse1 .cse3 .cse4) (and .cse0 .cse6 .cse2 .cse1 .cse3 .cse4) (and .cse5 .cse6 .cse3 .cse4 (= 0 ~systemActive~0)))) [2023-11-23 21:18:01,792 INFO L899 garLoopResultBuilder]: For program point L216(lines 216 222) no Hoare annotation was computed. [2023-11-23 21:18:01,792 INFO L899 garLoopResultBuilder]: For program point L216-1(lines 216 222) no Hoare annotation was computed. [2023-11-23 21:18:01,792 INFO L899 garLoopResultBuilder]: For program point L322-1(lines 303 327) no Hoare annotation was computed. [2023-11-23 21:18:01,792 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 303 327) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0)) (< |old(~pumpRunning~0)| 1)) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (not (= ~methAndRunningLastTime~0 0))))) [2023-11-23 21:18:01,792 INFO L895 garLoopResultBuilder]: At program point L317(line 317) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) (< |old(~pumpRunning~0)| 1)) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (and (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~2#1| 0) (<= ~waterLevel~0 1)) (not (= ~methAndRunningLastTime~0 0))))) [2023-11-23 21:18:01,792 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 303 327) no Hoare annotation was computed. [2023-11-23 21:18:01,792 INFO L899 garLoopResultBuilder]: For program point L311(lines 311 319) no Hoare annotation was computed. [2023-11-23 21:18:01,793 INFO L899 garLoopResultBuilder]: For program point L307(lines 307 324) no Hoare annotation was computed. [2023-11-23 21:18:01,793 INFO L895 garLoopResultBuilder]: At program point L322(line 322) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0)) (< |old(~pumpRunning~0)| 1)) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (= ~methAndRunningLastTime~0 0))))) [2023-11-23 21:18:01,793 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 112 123) no Hoare annotation was computed. [2023-11-23 21:18:01,793 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 112 123) the Hoare annotation is: (let ((.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse5 (<= 2 ~waterLevel~0)) (.cse3 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (< ~pumpRunning~0 1)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse1 (not (= 1 ~systemActive~0))) (.cse6 (< |old(~waterLevel~0)| 2))) (and (or .cse0 .cse1 (not .cse2) .cse3 .cse4) (or .cse0 .cse1 .cse5 .cse6 .cse4) (or (not (= ~pumpRunning~0 0)) .cse1 .cse3 .cse4) (or (and .cse5 .cse3) .cse0 .cse2 .cse1 .cse6))) [2023-11-23 21:18:01,795 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:18:01,797 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:18:01,819 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (forall v_ULTIMATE.start_main_~tmp~8#1_BEFORE_CALL_5 : int, v_ULTIMATE.start_valid_product_#res#1_BEFORE_CALL_5 : int, v_ULTIMATE.start_test_~tmp___2~0#1_BEFORE_CALL_5 : int, v_ULTIMATE.start_test_~tmp___1~0#1_BEFORE_CALL_5 : int, v_ULTIMATE.start_test_~tmp~1#1_BEFORE_CALL_5 : int, v_ULTIMATE.start_test_~splverifierCounter~0#1_BEFORE_CALL_5 : int, v_ULTIMATE.start_test_~tmp___0~1#1_BEFORE_CALL_5 : int :: (((((((((((((((!(old(~pumpRunning~0) == 0) || !(old(~methAndRunningLastTime~0) == 0)) || !(old(~waterLevel~0) == 1)) || !(v_ULTIMATE.start_valid_product_#res#1_BEFORE_CALL_5 == 1)) || !(~head~0!offset == 0)) || !(v_ULTIMATE.start_test_~tmp___1~0#1_BEFORE_CALL_5 == 0)) || !(~methaneLevelCritical~0 == 0)) || !(v_ULTIMATE.start_test_~splverifierCounter~0#1_BEFORE_CALL_5 == 0)) || !(v_ULTIMATE.start_main_~tmp~8#1_BEFORE_CALL_5 == 1)) || #StackHeapBarrier < 1) || !(v_ULTIMATE.start_test_~tmp___2~0#1_BEFORE_CALL_5 == 0)) || !(v_ULTIMATE.start_test_~tmp~1#1_BEFORE_CALL_5 == 0)) || !(v_ULTIMATE.start_test_~tmp___0~1#1_BEFORE_CALL_5 == 0)) || !(~head~0!base == 0)) || !(~cleanupTimeShifts~0 == 4)) && ((((((((((((((((!(old(~pumpRunning~0) == 0) || !(old(~methAndRunningLastTime~0) == 0)) || !(old(~waterLevel~0) == 1)) || !(v_ULTIMATE.start_valid_product_#res#1_BEFORE_CALL_5 == 1)) || !(~head~0!offset == 0)) || !(~methaneLevelCritical~0 == 0)) || v_ULTIMATE.start_test_~tmp___1~0#1_BEFORE_CALL_5 + 2147483648 < 0) || !(v_ULTIMATE.start_test_~splverifierCounter~0#1_BEFORE_CALL_5 == 0)) || !(v_ULTIMATE.start_main_~tmp~8#1_BEFORE_CALL_5 == 1)) || 2147483647 < v_ULTIMATE.start_test_~tmp___1~0#1_BEFORE_CALL_5) || #StackHeapBarrier < 1) || !(v_ULTIMATE.start_test_~tmp___2~0#1_BEFORE_CALL_5 == 0)) || !(v_ULTIMATE.start_test_~tmp~1#1_BEFORE_CALL_5 == 0)) || !(v_ULTIMATE.start_test_~tmp___0~1#1_BEFORE_CALL_5 == 0)) || !(~head~0!base == 0)) || !(0 == ~systemActive~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)) || v_ULTIMATE.start_test_~tmp___1~0#1_BEFORE_CALL_5 == 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)) && (((((((((((((((((((((((((((((((((!(#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 21:18:01,821 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:18:01 BoogieIcfgContainer [2023-11-23 21:18:01,821 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:18:01,822 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:18:01,822 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:18:01,822 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:18:01,823 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:17:20" (3/4) ... [2023-11-23 21:18:01,825 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 21:18:01,829 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2023-11-23 21:18:01,829 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2023-11-23 21:18:01,829 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-23 21:18:01,829 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-23 21:18:01,830 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-23 21:18:01,830 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2023-11-23 21:18:01,830 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2023-11-23 21:18:01,830 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-23 21:18:01,840 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2023-11-23 21:18:01,841 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-11-23 21:18:01,842 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-23 21:18:01,843 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 21:18:01,844 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 21:18:01,877 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!((\old(pumpRunning) == 0)) || (pumpRunning == 0)) || (methaneLevelCritical == 0)) || !((0 == systemActive))) && (((!((\old(pumpRunning) == 0)) || (pumpRunning == 0)) || !((methaneLevelCritical == 0))) || !((0 == systemActive)))) && ((!((1 == systemActive)) || ((pumpRunning == \old(pumpRunning)) && (waterLevel <= \old(waterLevel)))) || (\old(pumpRunning) < 1))) && ((((!((\old(methAndRunningLastTime) == 0)) || (methAndRunningLastTime == 0)) || (methaneLevelCritical == 0)) || !((1 == systemActive))) || (\old(pumpRunning) < 1))) && (((((1 < \old(waterLevel)) || !((\old(pumpRunning) == 0))) || (waterLevel <= 1)) || !((methaneLevelCritical == 0))) || !((0 == systemActive)))) && (((((1 < \old(waterLevel)) || !((\old(pumpRunning) == 0))) || (methaneLevelCritical == 0)) || (waterLevel <= 1)) || !((0 == systemActive)))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || (((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (waterLevel <= \old(waterLevel))))) [2023-11-23 21:18:01,916 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!((\old(pumpRunning) == 0)) || (pumpRunning == 0)) || (methaneLevelCritical == 0)) || !((0 == systemActive))) && (((!((\old(pumpRunning) == 0)) || (pumpRunning == 0)) || !((methaneLevelCritical == 0))) || !((0 == systemActive)))) && ((!((1 == systemActive)) || ((pumpRunning == \old(pumpRunning)) && (waterLevel <= \old(waterLevel)))) || (\old(pumpRunning) < 1))) && ((((!((\old(methAndRunningLastTime) == 0)) || (methAndRunningLastTime == 0)) || (methaneLevelCritical == 0)) || !((1 == systemActive))) || (\old(pumpRunning) < 1))) && (((((1 < \old(waterLevel)) || !((\old(pumpRunning) == 0))) || (waterLevel <= 1)) || !((methaneLevelCritical == 0))) || !((0 == systemActive)))) && (((((1 < \old(waterLevel)) || !((\old(pumpRunning) == 0))) || (methaneLevelCritical == 0)) || (waterLevel <= 1)) || !((0 == systemActive)))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || (((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (waterLevel <= \old(waterLevel))))) [2023-11-23 21:18:01,971 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54768c66-debb-4c99-9b5f-9a600b3ad230/bin/utaipan-verify-mE87zJ7Ire/witness.graphml [2023-11-23 21:18:01,972 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54768c66-debb-4c99-9b5f-9a600b3ad230/bin/utaipan-verify-mE87zJ7Ire/witness.yml [2023-11-23 21:18:01,972 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:18:01,973 INFO L158 Benchmark]: Toolchain (without parser) took 43086.22ms. Allocated memory was 125.8MB in the beginning and 687.9MB in the end (delta: 562.0MB). Free memory was 85.3MB in the beginning and 354.4MB in the end (delta: -269.1MB). Peak memory consumption was 294.3MB. Max. memory is 16.1GB. [2023-11-23 21:18:01,973 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 125.8MB. Free memory is still 99.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:18:01,974 INFO L158 Benchmark]: CACSL2BoogieTranslator took 536.12ms. Allocated memory is still 125.8MB. Free memory was 84.9MB in the beginning and 65.7MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-23 21:18:01,974 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.76ms. Allocated memory is still 125.8MB. Free memory was 65.7MB in the beginning and 63.2MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:18:01,975 INFO L158 Benchmark]: Boogie Preprocessor took 36.91ms. Allocated memory is still 125.8MB. Free memory was 63.2MB in the beginning and 61.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:18:01,975 INFO L158 Benchmark]: RCFGBuilder took 784.72ms. Allocated memory is still 125.8MB. Free memory was 61.8MB in the beginning and 85.6MB in the end (delta: -23.8MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2023-11-23 21:18:01,976 INFO L158 Benchmark]: TraceAbstraction took 41507.63ms. Allocated memory was 125.8MB in the beginning and 687.9MB in the end (delta: 562.0MB). Free memory was 84.7MB in the beginning and 361.7MB in the end (delta: -277.0MB). Peak memory consumption was 333.1MB. Max. memory is 16.1GB. [2023-11-23 21:18:01,976 INFO L158 Benchmark]: Witness Printer took 150.61ms. Allocated memory is still 687.9MB. Free memory was 361.7MB in the beginning and 354.4MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 21:18:01,978 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 125.8MB. Free memory is still 99.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 536.12ms. Allocated memory is still 125.8MB. Free memory was 84.9MB in the beginning and 65.7MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.76ms. Allocated memory is still 125.8MB. Free memory was 65.7MB in the beginning and 63.2MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.91ms. Allocated memory is still 125.8MB. Free memory was 63.2MB in the beginning and 61.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 784.72ms. Allocated memory is still 125.8MB. Free memory was 61.8MB in the beginning and 85.6MB in the end (delta: -23.8MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. * TraceAbstraction took 41507.63ms. Allocated memory was 125.8MB in the beginning and 687.9MB in the end (delta: 562.0MB). Free memory was 84.7MB in the beginning and 361.7MB in the end (delta: -277.0MB). Peak memory consumption was 333.1MB. Max. memory is 16.1GB. * Witness Printer took 150.61ms. Allocated memory is still 687.9MB. Free memory was 361.7MB in the beginning and 354.4MB 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,"Specification2_spec.i","") [49] - GenericResultAtLocation [Line: 91]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [91] - GenericResultAtLocation [Line: 191]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [191] - GenericResultAtLocation [Line: 264]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [264] - GenericResultAtLocation [Line: 468]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [468] - GenericResultAtLocation [Line: 834]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [834] - GenericResultAtLocation [Line: 843]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [843] - GenericResultAtLocation [Line: 943]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [943] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (forall v_ULTIMATE.start_main_~tmp~8#1_BEFORE_CALL_5 : int, v_ULTIMATE.start_valid_product_#res#1_BEFORE_CALL_5 : int, v_ULTIMATE.start_test_~tmp___2~0#1_BEFORE_CALL_5 : int, v_ULTIMATE.start_test_~tmp___1~0#1_BEFORE_CALL_5 : int, v_ULTIMATE.start_test_~tmp~1#1_BEFORE_CALL_5 : int, v_ULTIMATE.start_test_~splverifierCounter~0#1_BEFORE_CALL_5 : int, v_ULTIMATE.start_test_~tmp___0~1#1_BEFORE_CALL_5 : int :: (((((((((((((((!(old(~pumpRunning~0) == 0) || !(old(~methAndRunningLastTime~0) == 0)) || !(old(~waterLevel~0) == 1)) || !(v_ULTIMATE.start_valid_product_#res#1_BEFORE_CALL_5 == 1)) || !(~head~0!offset == 0)) || !(v_ULTIMATE.start_test_~tmp___1~0#1_BEFORE_CALL_5 == 0)) || !(~methaneLevelCritical~0 == 0)) || !(v_ULTIMATE.start_test_~splverifierCounter~0#1_BEFORE_CALL_5 == 0)) || !(v_ULTIMATE.start_main_~tmp~8#1_BEFORE_CALL_5 == 1)) || #StackHeapBarrier < 1) || !(v_ULTIMATE.start_test_~tmp___2~0#1_BEFORE_CALL_5 == 0)) || !(v_ULTIMATE.start_test_~tmp~1#1_BEFORE_CALL_5 == 0)) || !(v_ULTIMATE.start_test_~tmp___0~1#1_BEFORE_CALL_5 == 0)) || !(~head~0!base == 0)) || !(~cleanupTimeShifts~0 == 4)) && ((((((((((((((((!(old(~pumpRunning~0) == 0) || !(old(~methAndRunningLastTime~0) == 0)) || !(old(~waterLevel~0) == 1)) || !(v_ULTIMATE.start_valid_product_#res#1_BEFORE_CALL_5 == 1)) || !(~head~0!offset == 0)) || !(~methaneLevelCritical~0 == 0)) || v_ULTIMATE.start_test_~tmp___1~0#1_BEFORE_CALL_5 + 2147483648 < 0) || !(v_ULTIMATE.start_test_~splverifierCounter~0#1_BEFORE_CALL_5 == 0)) || !(v_ULTIMATE.start_main_~tmp~8#1_BEFORE_CALL_5 == 1)) || 2147483647 < v_ULTIMATE.start_test_~tmp___1~0#1_BEFORE_CALL_5) || #StackHeapBarrier < 1) || !(v_ULTIMATE.start_test_~tmp___2~0#1_BEFORE_CALL_5 == 0)) || !(v_ULTIMATE.start_test_~tmp~1#1_BEFORE_CALL_5 == 0)) || !(v_ULTIMATE.start_test_~tmp___0~1#1_BEFORE_CALL_5 == 0)) || !(~head~0!base == 0)) || !(0 == ~systemActive~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)) || v_ULTIMATE.start_test_~tmp___1~0#1_BEFORE_CALL_5 == 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)) && (((((((((((((((((((((((((((((((((!(#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: 839]: 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, 66 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 41.4s, OverallIterations: 10, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 5.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 918 SdHoareTripleChecker+Valid, 2.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 884 mSDsluCounter, 1833 SdHoareTripleChecker+Invalid, 2.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1205 mSDsCounter, 324 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1859 IncrementalHoareTripleChecker+Invalid, 2183 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 324 mSolverCounterUnsat, 628 mSDtfsCounter, 1859 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 584 GetRequests, 432 SyntacticMatches, 4 SemanticMatches, 148 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1636 ImplicationChecksByTransitivity, 14.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=466occurred in iteration=9, InterpolantAutomatonStates: 100, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 10 MinimizatonAttempts, 177 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 24 LocationsWithAnnotation, 983 PreInvPairs, 1074 NumberOfFragments, 2756 HoareAnnotationTreeSize, 983 FomulaSimplifications, 23654 FormulaSimplificationTreeSizeReduction, 1.4s HoareSimplificationTime, 24 FomulaSimplificationsInter, 46664 FormulaSimplificationTreeSizeReductionInter, 7.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 730 NumberOfCodeBlocks, 730 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 806 ConstructedInterpolants, 0 QuantifiedInterpolants, 2245 SizeOfPredicates, 16 NumberOfNonLiveVariables, 1258 ConjunctsInSsa, 69 ConjunctsInUnsatCore, 17 InterpolantComputations, 8 PerfectInterpolantSequences, 281/306 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: 4.5s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 30, DAG_INTERPRETER_EARLY_EXITS: 4, TOOLS_POST_APPLICATIONS: 43, TOOLS_POST_TIME: 1.8s, TOOLS_POST_CALL_APPLICATIONS: 10, TOOLS_POST_CALL_TIME: 2.0s, TOOLS_POST_RETURN_APPLICATIONS: 8, TOOLS_POST_RETURN_TIME: 0.1s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 54, TOOLS_QUANTIFIERELIM_TIME: 3.8s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.4s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 84, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 10, DOMAIN_JOIN_TIME: 0.4s, 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: 30, DOMAIN_ISBOTTOM_TIME: 0.1s, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME: 0.9s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 0.9s, 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: 583, DAG_COMPRESSION_RETAINED_NODES: 94, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 206]: Loop Invariant Derived loop invariant: (((((((((1 <= pumpRunning) && (2 <= waterLevel)) && (1 == systemActive)) && !((methaneLevelCritical == 0))) && (tmp == 1)) && (splverifierCounter == 0)) || (((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (1 == systemActive)) && (tmp == 1)) && (splverifierCounter == 0))) || ((((((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (tmp == 1)) && (splverifierCounter == 0))) || (((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (tmp == 1)) && (splverifierCounter == 0)) && (0 == systemActive))) - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 271]: Loop Invariant Derived loop invariant: (((((((((!((\old(pumpRunning) == 0)) || (pumpRunning == 0)) || (methaneLevelCritical == 0)) || !((0 == systemActive))) && (((!((\old(pumpRunning) == 0)) || (pumpRunning == 0)) || !((methaneLevelCritical == 0))) || !((0 == systemActive)))) && ((!((1 == systemActive)) || ((pumpRunning == \old(pumpRunning)) && (waterLevel <= \old(waterLevel)))) || (\old(pumpRunning) < 1))) && ((((!((\old(methAndRunningLastTime) == 0)) || (methAndRunningLastTime == 0)) || (methaneLevelCritical == 0)) || !((1 == systemActive))) || (\old(pumpRunning) < 1))) && (((((1 < \old(waterLevel)) || !((\old(pumpRunning) == 0))) || (waterLevel <= 1)) || !((methaneLevelCritical == 0))) || !((0 == systemActive)))) && (((((1 < \old(waterLevel)) || !((\old(pumpRunning) == 0))) || (methaneLevelCritical == 0)) || (waterLevel <= 1)) || !((0 == systemActive)))) && (((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || (((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (waterLevel <= \old(waterLevel))))) RESULT: Ultimate proved your program to be correct! [2023-11-23 21:18:02,021 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54768c66-debb-4c99-9b5f-9a600b3ad230/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE