./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product52.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_f12f7afb-1479-40af-8b28-811e04556fe3/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12f7afb-1479-40af-8b28-811e04556fe3/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12f7afb-1479-40af-8b28-811e04556fe3/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12f7afb-1479-40af-8b28-811e04556fe3/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product52.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12f7afb-1479-40af-8b28-811e04556fe3/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12f7afb-1479-40af-8b28-811e04556fe3/bin/utaipan-verify-t7M7D8N6sZ --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 4583285deb29d8014ded34089a46614a743cea13eee9bbb990cdfd770bfce36e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:12:22,627 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:12:22,711 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12f7afb-1479-40af-8b28-811e04556fe3/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 05:12:22,718 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:12:22,719 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:12:22,747 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:12:22,748 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:12:22,749 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:12:22,750 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:12:22,750 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:12:22,751 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:12:22,752 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:12:22,752 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:12:22,753 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:12:22,753 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:12:22,754 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:12:22,755 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:12:22,755 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:12:22,756 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:12:22,757 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:12:22,757 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:12:22,758 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:12:22,759 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:12:22,759 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:12:22,760 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:12:22,760 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:12:22,761 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:12:22,761 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:12:22,762 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:12:22,763 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:12:22,763 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:12:22,764 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:12:22,764 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:12:22,765 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:12:22,765 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:12:22,766 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:12:22,766 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:12:22,767 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:12:22,767 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:12:22,768 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:12:22,768 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:12:22,769 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:12:22,769 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:12:22,770 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:12:22,770 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:12:22,771 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_f12f7afb-1479-40af-8b28-811e04556fe3/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12f7afb-1479-40af-8b28-811e04556fe3/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4583285deb29d8014ded34089a46614a743cea13eee9bbb990cdfd770bfce36e [2023-11-19 05:12:23,037 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:12:23,073 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:12:23,076 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:12:23,078 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:12:23,079 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:12:23,081 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12f7afb-1479-40af-8b28-811e04556fe3/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/product-lines/minepump_spec2_product52.cil.c [2023-11-19 05:12:26,271 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:12:26,624 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:12:26,629 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12f7afb-1479-40af-8b28-811e04556fe3/sv-benchmarks/c/product-lines/minepump_spec2_product52.cil.c [2023-11-19 05:12:26,644 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12f7afb-1479-40af-8b28-811e04556fe3/bin/utaipan-verify-t7M7D8N6sZ/data/96dbab2f4/9fc359ec5fc447ffb34f618a9ae58e18/FLAGc3a02cdc7 [2023-11-19 05:12:26,665 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12f7afb-1479-40af-8b28-811e04556fe3/bin/utaipan-verify-t7M7D8N6sZ/data/96dbab2f4/9fc359ec5fc447ffb34f618a9ae58e18 [2023-11-19 05:12:26,673 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:12:26,675 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:12:26,680 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:12:26,681 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:12:26,687 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:12:26,687 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:12:26" (1/1) ... [2023-11-19 05:12:26,689 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cd3c788 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:12:26, skipping insertion in model container [2023-11-19 05:12:26,689 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:12:26" (1/1) ... [2023-11-19 05:12:26,763 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:12:27,101 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_f12f7afb-1479-40af-8b28-811e04556fe3/sv-benchmarks/c/product-lines/minepump_spec2_product52.cil.c[19177,19190] [2023-11-19 05:12:27,105 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:12:27,117 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:12:27,128 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [49] [2023-11-19 05:12:27,129 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [124] [2023-11-19 05:12:27,130 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [354] [2023-11-19 05:12:27,130 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [455] [2023-11-19 05:12:27,130 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [495] [2023-11-19 05:12:27,130 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [530] [2023-11-19 05:12:27,131 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [634] [2023-11-19 05:12:27,131 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1000] [2023-11-19 05:12:27,196 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_f12f7afb-1479-40af-8b28-811e04556fe3/sv-benchmarks/c/product-lines/minepump_spec2_product52.cil.c[19177,19190] [2023-11-19 05:12:27,197 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:12:27,225 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:12:27,226 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:12:27 WrapperNode [2023-11-19 05:12:27,227 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:12:27,228 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:12:27,228 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:12:27,229 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:12:27,236 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:12:27" (1/1) ... [2023-11-19 05:12:27,253 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:12:27" (1/1) ... [2023-11-19 05:12:27,280 INFO L138 Inliner]: procedures = 58, calls = 102, calls flagged for inlining = 24, calls inlined = 21, statements flattened = 212 [2023-11-19 05:12:27,281 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:12:27,281 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:12:27,282 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:12:27,282 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:12:27,311 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:12:27" (1/1) ... [2023-11-19 05:12:27,311 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:12:27" (1/1) ... [2023-11-19 05:12:27,314 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:12:27" (1/1) ... [2023-11-19 05:12:27,314 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:12:27" (1/1) ... [2023-11-19 05:12:27,321 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:12:27" (1/1) ... [2023-11-19 05:12:27,325 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:12:27" (1/1) ... [2023-11-19 05:12:27,327 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:12:27" (1/1) ... [2023-11-19 05:12:27,329 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:12:27" (1/1) ... [2023-11-19 05:12:27,332 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:12:27,333 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:12:27,334 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:12:27,334 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:12:27,335 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:12:27" (1/1) ... [2023-11-19 05:12:27,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:12:27,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12f7afb-1479-40af-8b28-811e04556fe3/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:12:27,405 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12f7afb-1479-40af-8b28-811e04556fe3/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:12:27,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12f7afb-1479-40af-8b28-811e04556fe3/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:12:27,464 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:12:27,465 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-11-19 05:12:27,465 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-11-19 05:12:27,465 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-11-19 05:12:27,465 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-11-19 05:12:27,465 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-19 05:12:27,465 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-19 05:12:27,466 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-19 05:12:27,466 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-19 05:12:27,467 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2023-11-19 05:12:27,467 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2023-11-19 05:12:27,467 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-19 05:12:27,468 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-19 05:12:27,468 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-11-19 05:12:27,469 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-11-19 05:12:27,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:12:27,470 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-19 05:12:27,470 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-19 05:12:27,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:12:27,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:12:27,563 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:12:27,565 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:12:27,897 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:12:28,071 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:12:28,071 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 05:12:28,076 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:12:28 BoogieIcfgContainer [2023-11-19 05:12:28,076 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:12:28,079 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:12:28,080 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:12:28,083 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:12:28,083 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:12:26" (1/3) ... [2023-11-19 05:12:28,084 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56f4bb2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:12:28, skipping insertion in model container [2023-11-19 05:12:28,084 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:12:27" (2/3) ... [2023-11-19 05:12:28,085 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56f4bb2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:12:28, skipping insertion in model container [2023-11-19 05:12:28,085 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:12:28" (3/3) ... [2023-11-19 05:12:28,086 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product52.cil.c [2023-11-19 05:12:28,107 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:12:28,107 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:12:28,157 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:12:28,164 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;@26999e06, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:12:28,164 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:12:28,169 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 41 states have (on average 1.4634146341463414) internal successors, (60), 50 states have internal predecessors, (60), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-19 05:12:28,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 05:12:28,178 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:12:28,178 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:12:28,179 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:12:28,183 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:12:28,183 INFO L85 PathProgramCache]: Analyzing trace with hash 1367918690, now seen corresponding path program 1 times [2023-11-19 05:12:28,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:12:28,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641348939] [2023-11-19 05:12:28,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:12:28,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:12:28,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:12:28,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:12:28,372 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:12:28,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641348939] [2023-11-19 05:12:28,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641348939] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:12:28,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:12:28,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:12:28,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615030740] [2023-11-19 05:12:28,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:12:28,382 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 05:12:28,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:12:28,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 05:12:28,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:12:28,431 INFO L87 Difference]: Start difference. First operand has 64 states, 41 states have (on average 1.4634146341463414) internal successors, (60), 50 states have internal predecessors, (60), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 05:12:28,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:12:28,542 INFO L93 Difference]: Finished difference Result 126 states and 173 transitions. [2023-11-19 05:12:28,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 05:12:28,545 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 [2023-11-19 05:12:28,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:12:28,555 INFO L225 Difference]: With dead ends: 126 [2023-11-19 05:12:28,556 INFO L226 Difference]: Without dead ends: 59 [2023-11-19 05:12:28,560 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 [2023-11-19 05:12:28,564 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:12:28,566 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 65 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 05:12:28,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2023-11-19 05:12:28,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2023-11-19 05:12:28,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 38 states have (on average 1.368421052631579) internal successors, (52), 46 states have internal predecessors, (52), 13 states have call successors, (13), 8 states have call predecessors, (13), 7 states have return successors, (12), 9 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-19 05:12:28,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 77 transitions. [2023-11-19 05:12:28,611 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 77 transitions. Word has length 17 [2023-11-19 05:12:28,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:12:28,611 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 77 transitions. [2023-11-19 05:12:28,612 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) [2023-11-19 05:12:28,612 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 77 transitions. [2023-11-19 05:12:28,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 05:12:28,614 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:12:28,615 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:12:28,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 05:12:28,615 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:12:28,616 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:12:28,616 INFO L85 PathProgramCache]: Analyzing trace with hash 1853681517, now seen corresponding path program 1 times [2023-11-19 05:12:28,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:12:28,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472766015] [2023-11-19 05:12:28,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:12:28,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:12:28,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:12:28,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:12:28,786 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:12:28,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472766015] [2023-11-19 05:12:28,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472766015] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:12:28,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:12:28,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:12:28,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298096749] [2023-11-19 05:12:28,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:12:28,792 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:12:28,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:12:28,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:12:28,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:12:28,794 INFO L87 Difference]: Start difference. First operand 59 states and 77 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) [2023-11-19 05:12:28,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:12:28,856 INFO L93 Difference]: Finished difference Result 90 states and 116 transitions. [2023-11-19 05:12:28,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:12:28,857 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 [2023-11-19 05:12:28,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:12:28,858 INFO L225 Difference]: With dead ends: 90 [2023-11-19 05:12:28,859 INFO L226 Difference]: Without dead ends: 51 [2023-11-19 05:12:28,860 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 [2023-11-19 05:12:28,861 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 14 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 86 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 [2023-11-19 05:12:28,862 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 86 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:12:28,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2023-11-19 05:12:28,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2023-11-19 05:12:28,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 33 states have (on average 1.393939393939394) internal successors, (46), 41 states have internal predecessors, (46), 10 states have call successors, (10), 7 states have call predecessors, (10), 7 states have return successors, (10), 7 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-19 05:12:28,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 66 transitions. [2023-11-19 05:12:28,873 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 66 transitions. Word has length 18 [2023-11-19 05:12:28,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:12:28,873 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 66 transitions. [2023-11-19 05:12:28,873 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) [2023-11-19 05:12:28,874 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 66 transitions. [2023-11-19 05:12:28,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 05:12:28,875 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:12:28,875 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] [2023-11-19 05:12:28,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 05:12:28,876 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:12:28,876 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:12:28,876 INFO L85 PathProgramCache]: Analyzing trace with hash 436415048, now seen corresponding path program 1 times [2023-11-19 05:12:28,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:12:28,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912234238] [2023-11-19 05:12:28,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:12:28,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:12:28,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:12:29,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:12:29,022 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:12:29,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912234238] [2023-11-19 05:12:29,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912234238] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:12:29,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:12:29,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:12:29,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845347734] [2023-11-19 05:12:29,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:12:29,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:12:29,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:12:29,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:12:29,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:12:29,025 INFO L87 Difference]: Start difference. First operand 51 states and 66 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 05:12:29,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:12:29,092 INFO L93 Difference]: Finished difference Result 149 states and 195 transitions. [2023-11-19 05:12:29,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:12:29,093 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2023-11-19 05:12:29,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:12:29,095 INFO L225 Difference]: With dead ends: 149 [2023-11-19 05:12:29,095 INFO L226 Difference]: Without dead ends: 100 [2023-11-19 05:12:29,096 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 [2023-11-19 05:12:29,114 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 60 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:12:29,114 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 111 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:12:29,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2023-11-19 05:12:29,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 97. [2023-11-19 05:12:29,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 62 states have (on average 1.403225806451613) internal successors, (87), 77 states have internal predecessors, (87), 20 states have call successors, (20), 14 states have call predecessors, (20), 14 states have return successors, (20), 13 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-19 05:12:29,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 127 transitions. [2023-11-19 05:12:29,151 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 127 transitions. Word has length 21 [2023-11-19 05:12:29,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:12:29,151 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 127 transitions. [2023-11-19 05:12:29,151 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-19 05:12:29,152 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 127 transitions. [2023-11-19 05:12:29,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 05:12:29,159 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:12:29,159 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] [2023-11-19 05:12:29,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 05:12:29,160 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:12:29,163 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:12:29,163 INFO L85 PathProgramCache]: Analyzing trace with hash 828092323, now seen corresponding path program 1 times [2023-11-19 05:12:29,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:12:29,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271772492] [2023-11-19 05:12:29,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:12:29,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:12:29,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:12:29,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:12:29,301 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:12:29,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271772492] [2023-11-19 05:12:29,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271772492] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:12:29,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:12:29,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 05:12:29,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180035538] [2023-11-19 05:12:29,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:12:29,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 05:12:29,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:12:29,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 05:12:29,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-19 05:12:29,304 INFO L87 Difference]: Start difference. First operand 97 states and 127 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 4 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) [2023-11-19 05:12:29,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:12:29,528 INFO L93 Difference]: Finished difference Result 281 states and 372 transitions. [2023-11-19 05:12:29,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 05:12:29,529 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 4 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 [2023-11-19 05:12:29,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:12:29,534 INFO L225 Difference]: With dead ends: 281 [2023-11-19 05:12:29,536 INFO L226 Difference]: Without dead ends: 186 [2023-11-19 05:12:29,539 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-11-19 05:12:29,541 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 42 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:12:29,541 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 224 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 05:12:29,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2023-11-19 05:12:29,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 180. [2023-11-19 05:12:29,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 115 states have (on average 1.382608695652174) internal successors, (159), 142 states have internal predecessors, (159), 38 states have call successors, (38), 26 states have call predecessors, (38), 26 states have return successors, (38), 24 states have call predecessors, (38), 38 states have call successors, (38) [2023-11-19 05:12:29,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 235 transitions. [2023-11-19 05:12:29,574 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 235 transitions. Word has length 24 [2023-11-19 05:12:29,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:12:29,575 INFO L495 AbstractCegarLoop]: Abstraction has 180 states and 235 transitions. [2023-11-19 05:12:29,575 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 4 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) [2023-11-19 05:12:29,575 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 235 transitions. [2023-11-19 05:12:29,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 05:12:29,577 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:12:29,577 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:12:29,577 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 05:12:29,578 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:12:29,578 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:12:29,578 INFO L85 PathProgramCache]: Analyzing trace with hash -1577251422, now seen corresponding path program 1 times [2023-11-19 05:12:29,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:12:29,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271353526] [2023-11-19 05:12:29,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:12:29,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:12:29,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:12:29,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:12:29,681 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:12:29,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271353526] [2023-11-19 05:12:29,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271353526] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:12:29,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:12:29,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 05:12:29,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315908456] [2023-11-19 05:12:29,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:12:29,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:12:29,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:12:29,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:12:29,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:12:29,684 INFO L87 Difference]: Start difference. First operand 180 states and 235 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 05:12:29,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:12:29,784 INFO L93 Difference]: Finished difference Result 494 states and 658 transitions. [2023-11-19 05:12:29,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 05:12:29,785 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 27 [2023-11-19 05:12:29,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:12:29,793 INFO L225 Difference]: With dead ends: 494 [2023-11-19 05:12:29,794 INFO L226 Difference]: Without dead ends: 316 [2023-11-19 05:12:29,795 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-19 05:12:29,801 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 33 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:12:29,803 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 143 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 05:12:29,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2023-11-19 05:12:29,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 310. [2023-11-19 05:12:29,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 209 states have (on average 1.30622009569378) internal successors, (273), 234 states have internal predecessors, (273), 52 states have call successors, (52), 48 states have call predecessors, (52), 48 states have return successors, (68), 46 states have call predecessors, (68), 52 states have call successors, (68) [2023-11-19 05:12:29,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 393 transitions. [2023-11-19 05:12:29,884 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 393 transitions. Word has length 27 [2023-11-19 05:12:29,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:12:29,884 INFO L495 AbstractCegarLoop]: Abstraction has 310 states and 393 transitions. [2023-11-19 05:12:29,885 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2023-11-19 05:12:29,885 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 393 transitions. [2023-11-19 05:12:29,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 05:12:29,887 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:12:29,887 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:12:29,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-19 05:12:29,889 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:12:29,889 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:12:29,893 INFO L85 PathProgramCache]: Analyzing trace with hash -1514523262, now seen corresponding path program 1 times [2023-11-19 05:12:29,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:12:29,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772729257] [2023-11-19 05:12:29,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:12:29,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:12:29,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:12:30,040 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:12:30,040 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:12:30,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772729257] [2023-11-19 05:12:30,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772729257] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:12:30,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:12:30,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:12:30,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666022098] [2023-11-19 05:12:30,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:12:30,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:12:30,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:12:30,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:12:30,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:12:30,050 INFO L87 Difference]: Start difference. First operand 310 states and 393 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-19 05:12:30,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:12:30,144 INFO L93 Difference]: Finished difference Result 437 states and 564 transitions. [2023-11-19 05:12:30,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:12:30,145 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 32 [2023-11-19 05:12:30,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:12:30,150 INFO L225 Difference]: With dead ends: 437 [2023-11-19 05:12:30,151 INFO L226 Difference]: Without dead ends: 435 [2023-11-19 05:12:30,151 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 [2023-11-19 05:12:30,156 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 41 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:12:30,159 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 98 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:12:30,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2023-11-19 05:12:30,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 419. [2023-11-19 05:12:30,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 419 states, 279 states have (on average 1.3154121863799284) internal successors, (367), 316 states have internal predecessors, (367), 73 states have call successors, (73), 67 states have call predecessors, (73), 66 states have return successors, (103), 61 states have call predecessors, (103), 73 states have call successors, (103) [2023-11-19 05:12:30,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 543 transitions. [2023-11-19 05:12:30,226 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 543 transitions. Word has length 32 [2023-11-19 05:12:30,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:12:30,226 INFO L495 AbstractCegarLoop]: Abstraction has 419 states and 543 transitions. [2023-11-19 05:12:30,227 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-19 05:12:30,227 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 543 transitions. [2023-11-19 05:12:30,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-19 05:12:30,234 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:12:30,235 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-11-19 05:12:30,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-19 05:12:30,236 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:12:30,236 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:12:30,236 INFO L85 PathProgramCache]: Analyzing trace with hash -176602599, now seen corresponding path program 1 times [2023-11-19 05:12:30,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:12:30,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210232050] [2023-11-19 05:12:30,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:12:30,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:12:30,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:12:30,328 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 05:12:30,329 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:12:30,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210232050] [2023-11-19 05:12:30,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1210232050] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:12:30,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:12:30,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 05:12:30,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16746176] [2023-11-19 05:12:30,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:12:30,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:12:30,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:12:30,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:12:30,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:12:30,332 INFO L87 Difference]: Start difference. First operand 419 states and 543 transitions. Second operand has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 4 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2023-11-19 05:12:30,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:12:30,452 INFO L93 Difference]: Finished difference Result 684 states and 886 transitions. [2023-11-19 05:12:30,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 05:12:30,453 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 4 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) Word has length 56 [2023-11-19 05:12:30,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:12:30,455 INFO L225 Difference]: With dead ends: 684 [2023-11-19 05:12:30,455 INFO L226 Difference]: Without dead ends: 267 [2023-11-19 05:12:30,457 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 [2023-11-19 05:12:30,458 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 82 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:12:30,458 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 116 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 05:12:30,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2023-11-19 05:12:30,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 254. [2023-11-19 05:12:30,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 254 states, 173 states have (on average 1.283236994219653) internal successors, (222), 193 states have internal predecessors, (222), 41 states have call successors, (41), 39 states have call predecessors, (41), 39 states have return successors, (55), 38 states have call predecessors, (55), 41 states have call successors, (55) [2023-11-19 05:12:30,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 254 states and 318 transitions. [2023-11-19 05:12:30,488 INFO L78 Accepts]: Start accepts. Automaton has 254 states and 318 transitions. Word has length 56 [2023-11-19 05:12:30,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:12:30,489 INFO L495 AbstractCegarLoop]: Abstraction has 254 states and 318 transitions. [2023-11-19 05:12:30,489 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 4 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2023-11-19 05:12:30,489 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 318 transitions. [2023-11-19 05:12:30,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 05:12:30,491 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:12:30,491 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] [2023-11-19 05:12:30,491 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-19 05:12:30,492 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:12:30,492 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:12:30,492 INFO L85 PathProgramCache]: Analyzing trace with hash -1236414429, now seen corresponding path program 1 times [2023-11-19 05:12:30,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:12:30,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330759961] [2023-11-19 05:12:30,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:12:30,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:12:30,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:12:30,638 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-19 05:12:30,638 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:12:30,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330759961] [2023-11-19 05:12:30,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330759961] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 05:12:30,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [746269022] [2023-11-19 05:12:30,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:12:30,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:12:30,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12f7afb-1479-40af-8b28-811e04556fe3/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:12:30,646 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12f7afb-1479-40af-8b28-811e04556fe3/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:12:30,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12f7afb-1479-40af-8b28-811e04556fe3/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 05:12:30,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:12:30,773 INFO L262 TraceCheckSpWp]: Trace formula consists of 270 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 05:12:30,780 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:12:30,911 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:12:30,912 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:12:30,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [746269022] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:12:30,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 05:12:30,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2023-11-19 05:12:30,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588083060] [2023-11-19 05:12:30,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:12:30,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:12:30,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:12:30,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:12:30,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2023-11-19 05:12:30,915 INFO L87 Difference]: Start difference. First operand 254 states and 318 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) [2023-11-19 05:12:30,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:12:30,990 INFO L93 Difference]: Finished difference Result 497 states and 634 transitions. [2023-11-19 05:12:30,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:12:30,991 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 [2023-11-19 05:12:30,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:12:30,993 INFO L225 Difference]: With dead ends: 497 [2023-11-19 05:12:30,994 INFO L226 Difference]: Without dead ends: 245 [2023-11-19 05:12:30,995 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2023-11-19 05:12:30,996 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 28 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:12:30,996 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 111 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:12:30,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2023-11-19 05:12:31,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 245. [2023-11-19 05:12:31,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 168 states have (on average 1.2380952380952381) internal successors, (208), 186 states have internal predecessors, (208), 39 states have call successors, (39), 37 states have call predecessors, (39), 37 states have return successors, (49), 37 states have call predecessors, (49), 39 states have call successors, (49) [2023-11-19 05:12:31,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 296 transitions. [2023-11-19 05:12:31,048 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 296 transitions. Word has length 60 [2023-11-19 05:12:31,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:12:31,049 INFO L495 AbstractCegarLoop]: Abstraction has 245 states and 296 transitions. [2023-11-19 05:12:31,049 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) [2023-11-19 05:12:31,051 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 296 transitions. [2023-11-19 05:12:31,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 05:12:31,054 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:12:31,054 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:12:31,077 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12f7afb-1479-40af-8b28-811e04556fe3/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 05:12:31,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12f7afb-1479-40af-8b28-811e04556fe3/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:12:31,268 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:12:31,268 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:12:31,269 INFO L85 PathProgramCache]: Analyzing trace with hash 1100234362, now seen corresponding path program 1 times [2023-11-19 05:12:31,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:12:31,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854545293] [2023-11-19 05:12:31,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:12:31,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:12:31,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:12:31,692 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 05:12:31,692 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:12:31,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854545293] [2023-11-19 05:12:31,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854545293] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 05:12:31,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [862770989] [2023-11-19 05:12:31,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:12:31,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:12:31,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12f7afb-1479-40af-8b28-811e04556fe3/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:12:31,694 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12f7afb-1479-40af-8b28-811e04556fe3/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:12:31,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12f7afb-1479-40af-8b28-811e04556fe3/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-19 05:12:31,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:12:31,794 INFO L262 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-19 05:12:31,803 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:12:32,386 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:12:32,387 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 05:12:32,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [862770989] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:12:32,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-19 05:12:32,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [8] total 16 [2023-11-19 05:12:32,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090760830] [2023-11-19 05:12:32,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:12:32,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-19 05:12:32,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:12:32,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-19 05:12:32,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=189, Unknown=0, NotChecked=0, Total=240 [2023-11-19 05:12:32,391 INFO L87 Difference]: Start difference. First operand 245 states and 296 transitions. Second operand has 10 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 5 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (7), 3 states have call predecessors, (7), 5 states have call successors, (7) [2023-11-19 05:12:32,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:12:32,876 INFO L93 Difference]: Finished difference Result 685 states and 835 transitions. [2023-11-19 05:12:32,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-19 05:12:32,877 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 5 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (7), 3 states have call predecessors, (7), 5 states have call successors, (7) Word has length 63 [2023-11-19 05:12:32,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:12:32,881 INFO L225 Difference]: With dead ends: 685 [2023-11-19 05:12:32,882 INFO L226 Difference]: Without dead ends: 442 [2023-11-19 05:12:32,883 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 55 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=102, Invalid=360, Unknown=0, NotChecked=0, Total=462 [2023-11-19 05:12:32,885 INFO L413 NwaCegarLoop]: 60 mSDtfsCounter, 202 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 282 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 358 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 282 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-19 05:12:32,886 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [213 Valid, 232 Invalid, 358 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 282 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-19 05:12:32,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 442 states. [2023-11-19 05:12:32,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 442 to 418. [2023-11-19 05:12:32,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 418 states, 296 states have (on average 1.2432432432432432) internal successors, (368), 319 states have internal predecessors, (368), 60 states have call successors, (60), 58 states have call predecessors, (60), 61 states have return successors, (70), 61 states have call predecessors, (70), 60 states have call successors, (70) [2023-11-19 05:12:32,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 498 transitions. [2023-11-19 05:12:32,943 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 498 transitions. Word has length 63 [2023-11-19 05:12:32,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:12:32,944 INFO L495 AbstractCegarLoop]: Abstraction has 418 states and 498 transitions. [2023-11-19 05:12:32,944 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 5 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (7), 3 states have call predecessors, (7), 5 states have call successors, (7) [2023-11-19 05:12:32,944 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 498 transitions. [2023-11-19 05:12:32,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-19 05:12:32,946 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:12:32,946 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:12:32,972 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12f7afb-1479-40af-8b28-811e04556fe3/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-19 05:12:33,162 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12f7afb-1479-40af-8b28-811e04556fe3/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:12:33,162 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:12:33,163 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:12:33,163 INFO L85 PathProgramCache]: Analyzing trace with hash 716020005, now seen corresponding path program 1 times [2023-11-19 05:12:33,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:12:33,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929816075] [2023-11-19 05:12:33,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:12:33,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:12:33,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:12:33,805 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 05:12:33,806 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:12:33,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929816075] [2023-11-19 05:12:33,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929816075] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 05:12:33,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [184853786] [2023-11-19 05:12:33,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:12:33,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:12:33,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12f7afb-1479-40af-8b28-811e04556fe3/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:12:33,808 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12f7afb-1479-40af-8b28-811e04556fe3/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:12:33,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12f7afb-1479-40af-8b28-811e04556fe3/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-19 05:12:33,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:12:33,921 INFO L262 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-19 05:12:33,926 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:12:34,299 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 13 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:12:34,300 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:12:34,721 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-19 05:12:34,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [184853786] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 05:12:34,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1771900276] [2023-11-19 05:12:34,744 INFO L159 IcfgInterpreter]: Started Sifa with 43 locations of interest [2023-11-19 05:12:34,744 INFO L166 IcfgInterpreter]: Building call graph [2023-11-19 05:12:34,749 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-19 05:12:34,754 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-19 05:12:34,755 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-19 05:12:40,174 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 142 for LOIs [2023-11-19 05:12:40,242 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 32 for LOIs [2023-11-19 05:12:40,483 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 41 for LOIs [2023-11-19 05:12:40,603 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 11 for LOIs [2023-11-19 05:12:40,605 INFO L197 IcfgInterpreter]: Interpreting procedure changeMethaneLevel with input of size 50 for LOIs [2023-11-19 05:12:40,619 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__base with input of size 29 for LOIs [2023-11-19 05:12:40,624 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-19 05:12:45,773 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '8312#(and (not (= |timeShift___utac_acc__Specification2_spec__2_~tmp~6#1| 0)) (= |timeShift_isPumpRunning_#res#1| |timeShift___utac_acc__Specification2_spec__2_~tmp___0~3#1|) (<= ~methaneLevelCritical~0 1) (<= 0 (+ 2147483648 |old(~pumpRunning~0)|)) (<= |old(~pumpRunning~0)| 2147483647) (= 1 ~systemActive~0) (= |timeShift_isPumpRunning_#res#1| ~pumpRunning~0) (<= 0 ~methAndRunningLastTime~0) (not (= |timeShift___utac_acc__Specification2_spec__2_~tmp___0~3#1| 0)) (<= 0 |old(~methAndRunningLastTime~0)|) (<= |old(~methAndRunningLastTime~0)| 1) (<= 0 ~methaneLevelCritical~0) (<= |timeShift___utac_acc__Specification2_spec__2_~tmp___0~3#1| 2147483647) (not (= ~methAndRunningLastTime~0 0)) (<= ~methAndRunningLastTime~0 1) (<= 0 (+ |timeShift___utac_acc__Specification2_spec__2_~tmp___0~3#1| 2147483648)) (= |timeShift___utac_acc__Specification2_spec__2_~tmp~6#1| ~methaneLevelCritical~0))' at error location [2023-11-19 05:12:45,774 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-11-19 05:12:45,774 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 05:12:45,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 11, 11] total 29 [2023-11-19 05:12:45,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686679256] [2023-11-19 05:12:45,774 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 05:12:45,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2023-11-19 05:12:45,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:12:45,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2023-11-19 05:12:45,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=368, Invalid=3414, Unknown=0, NotChecked=0, Total=3782 [2023-11-19 05:12:45,778 INFO L87 Difference]: Start difference. First operand 418 states and 498 transitions. Second operand has 29 states, 25 states have (on average 4.16) internal successors, (104), 24 states have internal predecessors, (104), 14 states have call successors, (24), 12 states have call predecessors, (24), 10 states have return successors, (21), 9 states have call predecessors, (21), 13 states have call successors, (21) [2023-11-19 05:12:48,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:12:48,469 INFO L93 Difference]: Finished difference Result 1626 states and 1966 transitions. [2023-11-19 05:12:48,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2023-11-19 05:12:48,470 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 25 states have (on average 4.16) internal successors, (104), 24 states have internal predecessors, (104), 14 states have call successors, (24), 12 states have call predecessors, (24), 10 states have return successors, (21), 9 states have call predecessors, (21), 13 states have call successors, (21) Word has length 66 [2023-11-19 05:12:48,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:12:48,484 INFO L225 Difference]: With dead ends: 1626 [2023-11-19 05:12:48,484 INFO L226 Difference]: Without dead ends: 1210 [2023-11-19 05:12:48,491 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 161 SyntacticMatches, 5 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3978 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=1227, Invalid=9693, Unknown=0, NotChecked=0, Total=10920 [2023-11-19 05:12:48,491 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 888 mSDsluCounter, 906 mSDsCounter, 0 mSdLazyCounter, 1264 mSolverCounterSat, 456 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 892 SdHoareTripleChecker+Valid, 1030 SdHoareTripleChecker+Invalid, 1720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 456 IncrementalHoareTripleChecker+Valid, 1264 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:12:48,493 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [892 Valid, 1030 Invalid, 1720 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [456 Valid, 1264 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-19 05:12:48,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1210 states. [2023-11-19 05:12:48,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1210 to 919. [2023-11-19 05:12:48,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 919 states, 666 states have (on average 1.2357357357357357) internal successors, (823), 704 states have internal predecessors, (823), 124 states have call successors, (124), 124 states have call predecessors, (124), 128 states have return successors, (143), 125 states have call predecessors, (143), 124 states have call successors, (143) [2023-11-19 05:12:48,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 919 states and 1090 transitions. [2023-11-19 05:12:48,598 INFO L78 Accepts]: Start accepts. Automaton has 919 states and 1090 transitions. Word has length 66 [2023-11-19 05:12:48,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:12:48,598 INFO L495 AbstractCegarLoop]: Abstraction has 919 states and 1090 transitions. [2023-11-19 05:12:48,599 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 25 states have (on average 4.16) internal successors, (104), 24 states have internal predecessors, (104), 14 states have call successors, (24), 12 states have call predecessors, (24), 10 states have return successors, (21), 9 states have call predecessors, (21), 13 states have call successors, (21) [2023-11-19 05:12:48,599 INFO L276 IsEmpty]: Start isEmpty. Operand 919 states and 1090 transitions. [2023-11-19 05:12:48,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-19 05:12:48,601 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:12:48,602 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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] [2023-11-19 05:12:48,621 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12f7afb-1479-40af-8b28-811e04556fe3/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-19 05:12:48,821 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12f7afb-1479-40af-8b28-811e04556fe3/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-19 05:12:48,821 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:12:48,821 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:12:48,822 INFO L85 PathProgramCache]: Analyzing trace with hash -1451149631, now seen corresponding path program 1 times [2023-11-19 05:12:48,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:12:48,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217190281] [2023-11-19 05:12:48,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:12:48,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:12:48,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:12:49,094 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 51 proven. 20 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-19 05:12:49,094 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:12:49,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217190281] [2023-11-19 05:12:49,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217190281] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 05:12:49,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [542404762] [2023-11-19 05:12:49,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:12:49,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:12:49,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12f7afb-1479-40af-8b28-811e04556fe3/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:12:49,096 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12f7afb-1479-40af-8b28-811e04556fe3/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 05:12:49,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12f7afb-1479-40af-8b28-811e04556fe3/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-19 05:12:49,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:12:49,227 INFO L262 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-19 05:12:49,233 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 05:12:50,004 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 67 proven. 57 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 05:12:50,004 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 05:12:50,951 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 72 proven. 32 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-11-19 05:12:50,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [542404762] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 05:12:50,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [810012965] [2023-11-19 05:12:50,959 INFO L159 IcfgInterpreter]: Started Sifa with 46 locations of interest [2023-11-19 05:12:50,959 INFO L166 IcfgInterpreter]: Building call graph [2023-11-19 05:12:50,960 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2023-11-19 05:12:50,960 INFO L176 IcfgInterpreter]: Starting interpretation [2023-11-19 05:12:50,960 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2023-11-19 05:12:53,624 INFO L197 IcfgInterpreter]: Interpreting procedure waterRise with input of size 20 for LOIs [2023-11-19 05:12:53,629 INFO L197 IcfgInterpreter]: Interpreting procedure timeShift with input of size 26 for LOIs [2023-11-19 05:12:53,877 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__highWaterSensor with input of size 31 for LOIs [2023-11-19 05:12:53,944 INFO L197 IcfgInterpreter]: Interpreting procedure isMethaneLevelCritical with input of size 7 for LOIs [2023-11-19 05:12:53,946 INFO L197 IcfgInterpreter]: Interpreting procedure changeMethaneLevel with input of size 32 for LOIs [2023-11-19 05:12:53,952 INFO L197 IcfgInterpreter]: Interpreting procedure processEnvironment__wrappee__base with input of size 22 for LOIs [2023-11-19 05:12:53,955 INFO L197 IcfgInterpreter]: Interpreting procedure deactivatePump with input of size 25 for LOIs [2023-11-19 05:12:53,958 INFO L180 IcfgInterpreter]: Interpretation finished [2023-11-19 05:12:57,362 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '12515#(and (not (= |timeShift___utac_acc__Specification2_spec__2_~tmp~6#1| 0)) (= |timeShift_isPumpRunning_#res#1| |timeShift___utac_acc__Specification2_spec__2_~tmp___0~3#1|) (= 1 ~systemActive~0) (= |timeShift_isPumpRunning_#res#1| ~pumpRunning~0) (not (= |timeShift___utac_acc__Specification2_spec__2_~tmp___0~3#1| 0)) (<= 0 ~methaneLevelCritical~0) (<= |timeShift___utac_acc__Specification2_spec__2_~tmp___0~3#1| 2147483647) (<= ~methaneLevelCritical~0 2147483647) (not (= ~methAndRunningLastTime~0 0)) (<= 0 (+ |timeShift___utac_acc__Specification2_spec__2_~tmp___0~3#1| 2147483648)) (= |timeShift___utac_acc__Specification2_spec__2_~tmp~6#1| ~methaneLevelCritical~0))' at error location [2023-11-19 05:12:57,362 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2023-11-19 05:12:57,362 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 05:12:57,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 17, 17] total 41 [2023-11-19 05:12:57,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861698297] [2023-11-19 05:12:57,363 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 05:12:57,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2023-11-19 05:12:57,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:12:57,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2023-11-19 05:12:57,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=588, Invalid=4962, Unknown=0, NotChecked=0, Total=5550 [2023-11-19 05:12:57,370 INFO L87 Difference]: Start difference. First operand 919 states and 1090 transitions. Second operand has 41 states, 35 states have (on average 4.857142857142857) internal successors, (170), 37 states have internal predecessors, (170), 19 states have call successors, (38), 12 states have call predecessors, (38), 16 states have return successors, (37), 16 states have call predecessors, (37), 19 states have call successors, (37) [2023-11-19 05:13:04,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:13:04,350 INFO L93 Difference]: Finished difference Result 1894 states and 2331 transitions. [2023-11-19 05:13:04,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2023-11-19 05:13:04,351 INFO L78 Accepts]: Start accepts. Automaton has has 41 states, 35 states have (on average 4.857142857142857) internal successors, (170), 37 states have internal predecessors, (170), 19 states have call successors, (38), 12 states have call predecessors, (38), 16 states have return successors, (37), 16 states have call predecessors, (37), 19 states have call successors, (37) Word has length 116 [2023-11-19 05:13:04,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:13:04,353 INFO L225 Difference]: With dead ends: 1894 [2023-11-19 05:13:04,353 INFO L226 Difference]: Without dead ends: 0 [2023-11-19 05:13:04,373 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 497 GetRequests, 300 SyntacticMatches, 7 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12719 ImplicationChecksByTransitivity, 8.4s TimeCoverageRelationStatistics Valid=3925, Invalid=32747, Unknown=0, NotChecked=0, Total=36672 [2023-11-19 05:13:04,374 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 1950 mSDsluCounter, 1224 mSDsCounter, 0 mSdLazyCounter, 3477 mSolverCounterSat, 1108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1950 SdHoareTripleChecker+Valid, 1314 SdHoareTripleChecker+Invalid, 4585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1108 IncrementalHoareTripleChecker+Valid, 3477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-11-19 05:13:04,374 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1950 Valid, 1314 Invalid, 4585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1108 Valid, 3477 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-11-19 05:13:04,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-19 05:13:04,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-19 05:13:04,375 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) [2023-11-19 05:13:04,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-19 05:13:04,376 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 116 [2023-11-19 05:13:04,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:13:04,376 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 05:13:04,377 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 35 states have (on average 4.857142857142857) internal successors, (170), 37 states have internal predecessors, (170), 19 states have call successors, (38), 12 states have call predecessors, (38), 16 states have return successors, (37), 16 states have call predecessors, (37), 19 states have call successors, (37) [2023-11-19 05:13:04,377 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-19 05:13:04,377 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 05:13:04,381 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 05:13:04,398 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12f7afb-1479-40af-8b28-811e04556fe3/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-19 05:13:04,588 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12f7afb-1479-40af-8b28-811e04556fe3/bin/utaipan-verify-t7M7D8N6sZ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 05:13:04,590 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-19 05:13:10,063 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 229 236) no Hoare annotation was computed. [2023-11-19 05:13:10,064 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 229 236) the Hoare annotation is: (let ((.cse5 (not (= 2 ~waterLevel~0))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~waterLevel~0 1))) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (not (= |old(~pumpRunning~0)| 1))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse4 (= ~pumpRunning~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse3 .cse6 .cse4) (or .cse1 .cse5 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse3 .cse6 .cse4))) [2023-11-19 05:13:10,064 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 162 168) no Hoare annotation was computed. [2023-11-19 05:13:10,064 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 162 168) the Hoare annotation is: true [2023-11-19 05:13:10,064 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 558 569) the Hoare annotation is: (let ((.cse8 (not (= ~waterLevel~0 1))) (.cse6 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse0 (not (= ~pumpRunning~0 0))) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse5 (not (= ~methAndRunningLastTime~0 0))) (.cse9 (not (= 0 ~systemActive~0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= 2 ~waterLevel~0))) (.cse3 (= ~methaneLevelCritical~0 1)) (.cse10 (not (= ~pumpRunning~0 1))) (.cse4 (not (= |old(~methaneLevelCritical~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse7 .cse1 .cse2 .cse5) (or .cse8 .cse6 .cse0 .cse7 .cse1 .cse5) (or .cse8 .cse0 .cse3 .cse4 .cse5 .cse9) (or .cse0 .cse2 .cse3 .cse4 .cse5 .cse9) (or .cse6 .cse7 .cse1 .cse2 .cse10) (or .cse8 .cse0 .cse1 .cse3 .cse4 .cse5) (or .cse8 .cse6 .cse0 .cse7 .cse5 .cse9) (or .cse6 .cse0 .cse7 .cse2 .cse5 .cse9) (or .cse1 .cse2 .cse3 .cse10 .cse4))) [2023-11-19 05:13:10,065 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 558 569) no Hoare annotation was computed. [2023-11-19 05:13:10,065 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 570 578) the Hoare annotation is: true [2023-11-19 05:13:10,065 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 570 578) no Hoare annotation was computed. [2023-11-19 05:13:10,065 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 356 385) no Hoare annotation was computed. [2023-11-19 05:13:10,065 INFO L899 garLoopResultBuilder]: For program point L381(lines 356 385) no Hoare annotation was computed. [2023-11-19 05:13:10,066 INFO L899 garLoopResultBuilder]: For program point L377(line 377) no Hoare annotation was computed. [2023-11-19 05:13:10,066 INFO L899 garLoopResultBuilder]: For program point L370(lines 370 374) no Hoare annotation was computed. [2023-11-19 05:13:10,066 INFO L902 garLoopResultBuilder]: At program point L370-1(lines 370 374) the Hoare annotation is: true [2023-11-19 05:13:10,066 INFO L902 garLoopResultBuilder]: At program point L366-2(lines 366 380) the Hoare annotation is: true [2023-11-19 05:13:10,066 INFO L902 garLoopResultBuilder]: At program point L362(line 362) the Hoare annotation is: true [2023-11-19 05:13:10,066 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 356 385) the Hoare annotation is: true [2023-11-19 05:13:10,066 INFO L899 garLoopResultBuilder]: For program point L362-1(line 362) no Hoare annotation was computed. [2023-11-19 05:13:10,066 INFO L899 garLoopResultBuilder]: For program point L478(lines 478 488) no Hoare annotation was computed. [2023-11-19 05:13:10,066 INFO L899 garLoopResultBuilder]: For program point L474(lines 474 491) no Hoare annotation was computed. [2023-11-19 05:13:10,067 INFO L899 garLoopResultBuilder]: For program point L474-1(lines 466 494) no Hoare annotation was computed. [2023-11-19 05:13:10,067 INFO L895 garLoopResultBuilder]: At program point L210(line 210) the Hoare annotation is: (let ((.cse2 (not (= |old(~waterLevel~0)| 1))) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (= 1 ~systemActive~0))) (.cse8 (not (= |old(~pumpRunning~0)| 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= |old(~waterLevel~0)| 2))) (.cse6 (not (= 0 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse4 .cse5 .cse6) (or .cse0 .cse1 .cse2 .cse3 .cse7) (or .cse0 .cse2 .cse4 .cse6) (or .cse3 .cse8 .cse4 .cse5) (or .cse0 .cse1 .cse3 .cse7 .cse5) (or .cse0 .cse2 .cse7 .cse6) (or .cse0 .cse1 .cse3 .cse4 .cse5) (or .cse3 .cse7 .cse8 .cse5) (or .cse0 .cse7 .cse5 .cse6))) [2023-11-19 05:13:10,067 INFO L895 garLoopResultBuilder]: At program point L206(line 206) the Hoare annotation is: (let ((.cse0 (and (<= 1 |timeShift_processEnvironment_~tmp~2#1|) (= ~waterLevel~0 1) (= ~pumpRunning~0 1))) (.cse8 (not (= |old(~waterLevel~0)| 1))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse7 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (not (= |old(~pumpRunning~0)| 1))) (.cse6 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= |old(~waterLevel~0)| 2))) (.cse9 (not (= 0 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse3 .cse5 .cse4) (or .cse6 .cse7 .cse8 .cse1 .cse5) (or .cse6 .cse5 .cse4 .cse9) (or .cse6 .cse7 .cse8 .cse1 .cse2) (or .cse6 .cse8 .cse5 .cse9) (or .cse6 .cse7 .cse1 .cse2 .cse4) (or .cse6 .cse8 .cse2 .cse9) (or .cse6 .cse7 .cse1 .cse5 .cse4) (or .cse7 (= ~methAndRunningLastTime~0 0) .cse1 .cse2 .cse3 .cse4) (or .cse6 .cse2 .cse4 .cse9))) [2023-11-19 05:13:10,067 INFO L899 garLoopResultBuilder]: For program point L479(lines 479 485) no Hoare annotation was computed. [2023-11-19 05:13:10,067 INFO L895 garLoopResultBuilder]: At program point L215(line 215) the Hoare annotation is: (let ((.cse11 (= ~pumpRunning~0 0)) (.cse12 (= ~methAndRunningLastTime~0 0))) (let ((.cse1 (and .cse11 .cse12 (= ~waterLevel~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse7 (and .cse11 .cse12 (= 2 ~waterLevel~0))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 1 ~systemActive~0))) (.cse10 (not (= |old(~pumpRunning~0)| 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse8 (not (= |old(~waterLevel~0)| 2))) (.cse9 (not (= 0 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse6) (or .cse0 .cse2 .cse4 .cse5 .cse7 .cse8) (or .cse0 .cse6 .cse8 .cse9) (or .cse0 .cse3 .cse6 .cse9) (or .cse4 .cse10 .cse6 .cse8) (or .cse0 .cse3 .cse5 .cse9) (or .cse0 .cse2 .cse4 .cse7 .cse6 .cse8) (or .cse4 .cse5 .cse10 .cse8) (or .cse0 .cse5 .cse8 .cse9)))) [2023-11-19 05:13:10,067 INFO L899 garLoopResultBuilder]: For program point L215-1(lines 196 220) no Hoare annotation was computed. [2023-11-19 05:13:10,068 INFO L899 garLoopResultBuilder]: For program point L149-1(lines 149 155) no Hoare annotation was computed. [2023-11-19 05:13:10,068 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 138 161) the Hoare annotation is: (let ((.cse18 (= |old(~waterLevel~0)| 1)) (.cse16 (= 2 ~waterLevel~0)) (.cse17 (= |old(~pumpRunning~0)| 1)) (.cse15 (= ~pumpRunning~0 0)) (.cse2 (= ~methAndRunningLastTime~0 0)) (.cse19 (= ~waterLevel~0 1))) (let ((.cse6 (and .cse15 .cse2 .cse19)) (.cse13 (and .cse16 .cse17 (= ~pumpRunning~0 1))) (.cse7 (not .cse18)) (.cse12 (and .cse15 .cse18 .cse19)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse14 (not .cse17)) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse8 (not (= 1 ~systemActive~0))) (.cse10 (and .cse15 .cse2 .cse16)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse11 (and .cse15 .cse16)) (.cse9 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= |old(~waterLevel~0)| 2))) (.cse5 (not (= 0 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse6 .cse1 .cse7 .cse8 .cse3) (or .cse0 .cse6 .cse1 .cse7 .cse8 .cse9) (or .cse0 .cse1 .cse8 .cse3 .cse10 .cse4) (or .cse0 .cse11 .cse3 .cse4 .cse5) (or .cse0 .cse7 .cse12 .cse9 .cse5) (or .cse13 .cse8 .cse14 .cse9 .cse4) (or .cse0 .cse1 .cse2 .cse7 .cse3 .cse5) (or .cse13 .cse8 .cse3 .cse14 .cse4) (or .cse0 .cse7 .cse12 .cse3 .cse5) (or .cse1 .cse2 .cse8 .cse3 .cse14 .cse4) (or .cse0 .cse1 .cse8 .cse10 .cse9 .cse4) (or .cse0 .cse11 .cse9 .cse4 .cse5)))) [2023-11-19 05:13:10,068 INFO L895 garLoopResultBuilder]: At program point L472(line 472) the Hoare annotation is: (let ((.cse17 (= |old(~waterLevel~0)| 1)) (.cse2 (= ~methAndRunningLastTime~0 0)) (.cse16 (= 2 ~waterLevel~0)) (.cse6 (= ~pumpRunning~0 0)) (.cse7 (= ~waterLevel~0 1))) (let ((.cse11 (and .cse6 .cse7)) (.cse13 (and .cse2 .cse16 (= ~pumpRunning~0 1))) (.cse8 (not .cse17)) (.cse15 (and .cse6 .cse17 .cse7)) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse9 (not (= 1 ~systemActive~0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse10 (not (= |old(~pumpRunning~0)| 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse14 (and .cse6 .cse16)) (.cse12 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= |old(~waterLevel~0)| 2))) (.cse5 (not (= 0 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 (and .cse6 .cse2 .cse7) .cse1 .cse8 .cse9 .cse3) (or .cse9 .cse10 .cse11 .cse12 .cse4) (or .cse13 .cse0 .cse1 .cse9 .cse3 .cse4) (or .cse0 .cse14 .cse3 .cse4 .cse5) (or .cse9 .cse3 .cse10 .cse11 .cse4) (or .cse0 .cse1 .cse8 .cse9 .cse11 .cse12) (or .cse13 .cse0 .cse1 .cse9 .cse12 .cse4) (or .cse0 .cse8 .cse15 .cse12 .cse5) (or .cse0 .cse1 .cse2 .cse8 .cse3 .cse5) (or .cse0 .cse8 .cse15 .cse3 .cse5) (or .cse1 .cse2 .cse9 .cse3 .cse10 .cse4) (or .cse0 .cse14 .cse12 .cse4 .cse5)))) [2023-11-19 05:13:10,068 INFO L899 garLoopResultBuilder]: For program point L472-1(line 472) no Hoare annotation was computed. [2023-11-19 05:13:10,068 INFO L899 garLoopResultBuilder]: For program point L142-1(lines 141 160) no Hoare annotation was computed. [2023-11-19 05:13:10,068 INFO L899 garLoopResultBuilder]: For program point L1005(line 1005) no Hoare annotation was computed. [2023-11-19 05:13:10,068 INFO L899 garLoopResultBuilder]: For program point L204(lines 204 212) no Hoare annotation was computed. [2023-11-19 05:13:10,069 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 138 161) no Hoare annotation was computed. [2023-11-19 05:13:10,069 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1005) no Hoare annotation was computed. [2023-11-19 05:13:10,069 INFO L899 garLoopResultBuilder]: For program point L200(lines 200 217) no Hoare annotation was computed. [2023-11-19 05:13:10,069 INFO L895 garLoopResultBuilder]: At program point L337(line 337) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 (= ~methaneLevelCritical~0 1) .cse2 .cse3) (and .cse0 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3))) [2023-11-19 05:13:10,069 INFO L899 garLoopResultBuilder]: For program point L119(lines 56 123) no Hoare annotation was computed. [2023-11-19 05:13:10,069 INFO L899 garLoopResultBuilder]: For program point L86(lines 86 92) no Hoare annotation was computed. [2023-11-19 05:13:10,069 INFO L899 garLoopResultBuilder]: For program point L86-1(lines 86 92) no Hoare annotation was computed. [2023-11-19 05:13:10,069 INFO L895 garLoopResultBuilder]: At program point L78(line 78) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 1)) (.cse4 (= ~pumpRunning~0 1)) (.cse0 (= 2 ~waterLevel~0)) (.cse8 (= 0 ~systemActive~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (= ~methAndRunningLastTime~0 0)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse9 (= ~waterLevel~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse7 .cse3 .cse8 .cse9) (and .cse5 .cse6 .cse2 .cse3 .cse8 .cse9) (and .cse5 .cse6 .cse1 .cse2 .cse3 .cse9) (and .cse5 .cse6 .cse0 .cse2 .cse3 .cse8) (and .cse0 .cse7 .cse1 .cse3 .cse4) (and .cse5 .cse6 .cse0 .cse7 .cse3 .cse8) (and .cse5 .cse6 .cse7 .cse1 .cse3 .cse9))) [2023-11-19 05:13:10,069 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-19 05:13:10,070 INFO L899 garLoopResultBuilder]: For program point L442(lines 442 449) no Hoare annotation was computed. [2023-11-19 05:13:10,070 INFO L899 garLoopResultBuilder]: For program point L442-2(lines 442 449) no Hoare annotation was computed. [2023-11-19 05:13:10,070 INFO L895 garLoopResultBuilder]: At program point L116(lines 65 117) the Hoare annotation is: false [2023-11-19 05:13:10,070 INFO L899 garLoopResultBuilder]: For program point L335(lines 335 341) no Hoare annotation was computed. [2023-11-19 05:13:10,070 INFO L899 garLoopResultBuilder]: For program point L335-1(lines 335 341) no Hoare annotation was computed. [2023-11-19 05:13:10,070 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-19 05:13:10,070 INFO L899 garLoopResultBuilder]: For program point L104(lines 104 110) no Hoare annotation was computed. [2023-11-19 05:13:10,070 INFO L895 garLoopResultBuilder]: At program point L104-2(lines 96 111) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 1)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse9 (= ~waterLevel~0 1)) (.cse8 (= 0 ~systemActive~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (= ~methAndRunningLastTime~0 0)) (.cse0 (= 2 ~waterLevel~0)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse0 .cse1 .cse2 .cse3) (and .cse5 .cse7 .cse3 .cse8 .cse9) (and .cse5 .cse6 .cse1 .cse2 .cse3 .cse9) (and .cse5 .cse2 .cse3 .cse8 .cse9) (and .cse0 .cse7 .cse1 .cse3 .cse4) (and .cse5 .cse0 .cse2 .cse3 .cse8) (and .cse5 .cse6 .cse7 .cse1 .cse3 .cse9) (and .cse5 .cse0 .cse7 .cse3 .cse8) (and .cse5 .cse6 .cse0 .cse7 .cse1 .cse3))) [2023-11-19 05:13:10,071 INFO L899 garLoopResultBuilder]: For program point L67(lines 66 115) no Hoare annotation was computed. [2023-11-19 05:13:10,071 INFO L899 garLoopResultBuilder]: For program point L96(lines 96 111) no Hoare annotation was computed. [2023-11-19 05:13:10,071 INFO L895 garLoopResultBuilder]: At program point L88(line 88) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 1)) (.cse4 (= ~pumpRunning~0 1)) (.cse8 (= 0 ~systemActive~0)) (.cse9 (= ~waterLevel~0 1)) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (= ~methAndRunningLastTime~0 0)) (.cse0 (= 2 ~waterLevel~0)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse7 .cse3 .cse8 .cse9) (and .cse5 .cse6 .cse2 .cse3 .cse8 .cse9) (and .cse5 .cse6 .cse0 .cse1 .cse2 .cse3) (and .cse5 .cse6 .cse1 .cse2 .cse3 .cse9) (and .cse5 .cse6 .cse0 .cse2 .cse3 .cse8) (and .cse0 .cse7 .cse1 .cse3 .cse4) (and .cse5 .cse6 .cse0 .cse7 .cse3 .cse8) (and .cse5 .cse6 .cse7 .cse1 .cse3 .cse9) (and .cse5 .cse6 .cse0 .cse7 .cse1 .cse3))) [2023-11-19 05:13:10,071 INFO L895 garLoopResultBuilder]: At program point L113(lines 66 115) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 1)) (.cse4 (= ~pumpRunning~0 1)) (.cse0 (= 2 ~waterLevel~0)) (.cse8 (= 0 ~systemActive~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (= ~methAndRunningLastTime~0 0)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse9 (= ~waterLevel~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse7 .cse3 .cse8 .cse9) (and .cse5 .cse6 .cse2 .cse3 .cse8 .cse9) (and .cse5 .cse6 .cse1 .cse2 .cse3 .cse9) (and .cse5 .cse6 .cse0 .cse2 .cse3 .cse8) (and .cse0 .cse7 .cse1 .cse3 .cse4) (and .cse5 .cse6 .cse0 .cse7 .cse3 .cse8) (and .cse5 .cse6 .cse7 .cse1 .cse3 .cse9))) [2023-11-19 05:13:10,071 INFO L899 garLoopResultBuilder]: For program point L76(lines 76 82) no Hoare annotation was computed. [2023-11-19 05:13:10,071 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 76 82) no Hoare annotation was computed. [2023-11-19 05:13:10,071 INFO L895 garLoopResultBuilder]: At program point L184(line 184) the Hoare annotation is: (let ((.cse5 (not (= |old(~pumpRunning~0)| 0)))) (let ((.cse1 (not (= 2 ~waterLevel~0))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse7 (not (= ~waterLevel~0 1))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse8 (and (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~1#1| 0))) (.cse3 (and .cse5 (<= 1 ~waterLevel~0))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse1 .cse6 .cse4) (or .cse7 .cse0 .cse8 .cse6 .cse3 .cse4) (or .cse7 .cse0 .cse2 .cse8 .cse3 .cse4)))) [2023-11-19 05:13:10,072 INFO L899 garLoopResultBuilder]: For program point L178(lines 178 186) no Hoare annotation was computed. [2023-11-19 05:13:10,072 INFO L899 garLoopResultBuilder]: For program point L174(lines 174 191) no Hoare annotation was computed. [2023-11-19 05:13:10,072 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 170 194) the Hoare annotation is: (let ((.cse8 (not (= |old(~pumpRunning~0)| 0)))) (let ((.cse2 (not (= 2 ~waterLevel~0))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= ~waterLevel~0 1))) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse4 (and .cse8 (<= 1 ~waterLevel~0))) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse1 .cse7 .cse4 .cse5) (or .cse8 .cse0 .cse1 .cse2 .cse7 .cse5) (or .cse6 .cse0 .cse1 .cse3 .cse4 .cse5)))) [2023-11-19 05:13:10,072 INFO L895 garLoopResultBuilder]: At program point L189(line 189) the Hoare annotation is: (let ((.cse7 (not (= |old(~pumpRunning~0)| 0)))) (let ((.cse1 (not (= 2 ~waterLevel~0))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= ~waterLevel~0 1))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (and .cse7 (<= 1 ~waterLevel~0))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse6 .cse3 .cse4) (or .cse7 .cse0 .cse1 .cse6 .cse4) (or .cse5 .cse0 .cse2 .cse3 .cse4)))) [2023-11-19 05:13:10,072 INFO L899 garLoopResultBuilder]: For program point L189-1(lines 170 194) no Hoare annotation was computed. [2023-11-19 05:13:10,072 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 170 194) no Hoare annotation was computed. [2023-11-19 05:13:10,072 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 546 557) no Hoare annotation was computed. [2023-11-19 05:13:10,073 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 546 557) the Hoare annotation is: (let ((.cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= 0 ~systemActive~0))) (.cse0 (not (= ~pumpRunning~0 0))) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse9 (= ~waterLevel~0 1)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse10 (= 2 ~waterLevel~0)) (.cse8 (not (= 1 ~systemActive~0))) (.cse11 (not (= ~pumpRunning~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= |old(~waterLevel~0)| 2)))) (and (or (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse2 .cse3)) .cse5 .cse6) (or (and (or .cse0 .cse7 .cse1 .cse2) (or .cse0 .cse4 .cse7 .cse2)) .cse6 .cse3) (or .cse0 .cse4 .cse8 .cse5 .cse9 .cse2) (or .cse10 .cse8 .cse7 .cse11 .cse1) (or .cse0 .cse4 .cse8 .cse7 .cse9 .cse2) (or .cse10 .cse8 .cse11 .cse5 .cse1))) [2023-11-19 05:13:10,075 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:13:10,078 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:13:10,099 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:13:10 BoogieIcfgContainer [2023-11-19 05:13:10,100 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:13:10,100 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:13:10,100 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:13:10,101 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:13:10,101 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:12:28" (3/4) ... [2023-11-19 05:13:10,117 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 05:13:10,120 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2023-11-19 05:13:10,120 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2023-11-19 05:13:10,121 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-19 05:13:10,121 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2023-11-19 05:13:10,121 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-19 05:13:10,121 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-19 05:13:10,122 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2023-11-19 05:13:10,122 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-19 05:13:10,133 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 43 nodes and edges [2023-11-19 05:13:10,136 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2023-11-19 05:13:10,137 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-19 05:13:10,138 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 05:13:10,139 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 05:13:10,179 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || (methAndRunningLastTime == 0)) || !((methaneLevelCritical == 0))) || !((\old(waterLevel) == 2))) || !((0 == systemActive))) && (((((!((\old(pumpRunning) == 0)) || (((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (waterLevel == 1))) || !((\old(methAndRunningLastTime) == 0))) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) || !((methaneLevelCritical == 0)))) && (((((!((\old(pumpRunning) == 0)) || (((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (waterLevel == 1))) || !((\old(methAndRunningLastTime) == 0))) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) || !((methaneLevelCritical == 1)))) && (((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || (((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (2 == waterLevel))) || !((\old(waterLevel) == 2)))) && ((((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && (2 == waterLevel))) || !((methaneLevelCritical == 0))) || !((\old(waterLevel) == 2))) || !((0 == systemActive)))) && ((((!((\old(pumpRunning) == 0)) || !((\old(waterLevel) == 1))) || (((pumpRunning == 0) && (\old(waterLevel) == 1)) && (waterLevel == 1))) || !((methaneLevelCritical == 1))) || !((0 == systemActive)))) && (((((((2 == waterLevel) && (\old(pumpRunning) == 1)) && (pumpRunning == 1)) || !((1 == systemActive))) || !((\old(pumpRunning) == 1))) || !((methaneLevelCritical == 1))) || !((\old(waterLevel) == 2)))) && (((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || (methAndRunningLastTime == 0)) || !((\old(waterLevel) == 1))) || !((methaneLevelCritical == 0))) || !((0 == systemActive)))) && (((((((2 == waterLevel) && (\old(pumpRunning) == 1)) && (pumpRunning == 1)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || !((\old(pumpRunning) == 1))) || !((\old(waterLevel) == 2)))) && ((((!((\old(pumpRunning) == 0)) || !((\old(waterLevel) == 1))) || (((pumpRunning == 0) && (\old(waterLevel) == 1)) && (waterLevel == 1))) || !((methaneLevelCritical == 0))) || !((0 == systemActive)))) && (((((!((\old(methAndRunningLastTime) == 0)) || (methAndRunningLastTime == 0)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || !((\old(pumpRunning) == 1))) || !((\old(waterLevel) == 2)))) && (((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || (((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (2 == waterLevel))) || !((methaneLevelCritical == 1))) || !((\old(waterLevel) == 2)))) && ((((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && (2 == waterLevel))) || !((methaneLevelCritical == 1))) || !((\old(waterLevel) == 2))) || !((0 == systemActive)))) [2023-11-19 05:13:10,223 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || (methAndRunningLastTime == 0)) || !((methaneLevelCritical == 0))) || !((\old(waterLevel) == 2))) || !((0 == systemActive))) && (((((!((\old(pumpRunning) == 0)) || (((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (waterLevel == 1))) || !((\old(methAndRunningLastTime) == 0))) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) || !((methaneLevelCritical == 0)))) && (((((!((\old(pumpRunning) == 0)) || (((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (waterLevel == 1))) || !((\old(methAndRunningLastTime) == 0))) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) || !((methaneLevelCritical == 1)))) && (((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || (((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (2 == waterLevel))) || !((\old(waterLevel) == 2)))) && ((((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && (2 == waterLevel))) || !((methaneLevelCritical == 0))) || !((\old(waterLevel) == 2))) || !((0 == systemActive)))) && ((((!((\old(pumpRunning) == 0)) || !((\old(waterLevel) == 1))) || (((pumpRunning == 0) && (\old(waterLevel) == 1)) && (waterLevel == 1))) || !((methaneLevelCritical == 1))) || !((0 == systemActive)))) && (((((((2 == waterLevel) && (\old(pumpRunning) == 1)) && (pumpRunning == 1)) || !((1 == systemActive))) || !((\old(pumpRunning) == 1))) || !((methaneLevelCritical == 1))) || !((\old(waterLevel) == 2)))) && (((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || (methAndRunningLastTime == 0)) || !((\old(waterLevel) == 1))) || !((methaneLevelCritical == 0))) || !((0 == systemActive)))) && (((((((2 == waterLevel) && (\old(pumpRunning) == 1)) && (pumpRunning == 1)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || !((\old(pumpRunning) == 1))) || !((\old(waterLevel) == 2)))) && ((((!((\old(pumpRunning) == 0)) || !((\old(waterLevel) == 1))) || (((pumpRunning == 0) && (\old(waterLevel) == 1)) && (waterLevel == 1))) || !((methaneLevelCritical == 0))) || !((0 == systemActive)))) && (((((!((\old(methAndRunningLastTime) == 0)) || (methAndRunningLastTime == 0)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || !((\old(pumpRunning) == 1))) || !((\old(waterLevel) == 2)))) && (((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || (((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (2 == waterLevel))) || !((methaneLevelCritical == 1))) || !((\old(waterLevel) == 2)))) && ((((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && (2 == waterLevel))) || !((methaneLevelCritical == 1))) || !((\old(waterLevel) == 2))) || !((0 == systemActive)))) [2023-11-19 05:13:10,284 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12f7afb-1479-40af-8b28-811e04556fe3/bin/utaipan-verify-t7M7D8N6sZ/witness.graphml [2023-11-19 05:13:10,285 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12f7afb-1479-40af-8b28-811e04556fe3/bin/utaipan-verify-t7M7D8N6sZ/witness.yml [2023-11-19 05:13:10,285 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:13:10,286 INFO L158 Benchmark]: Toolchain (without parser) took 43610.55ms. Allocated memory was 125.8MB in the beginning and 664.8MB in the end (delta: 539.0MB). Free memory was 78.8MB in the beginning and 363.5MB in the end (delta: -284.6MB). Peak memory consumption was 256.4MB. Max. memory is 16.1GB. [2023-11-19 05:13:10,286 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 125.8MB. Free memory was 92.0MB in the beginning and 92.0MB in the end (delta: 34.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:13:10,287 INFO L158 Benchmark]: CACSL2BoogieTranslator took 546.94ms. Allocated memory is still 125.8MB. Free memory was 78.8MB in the beginning and 59.0MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 05:13:10,287 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.63ms. Allocated memory is still 125.8MB. Free memory was 59.0MB in the beginning and 56.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:13:10,288 INFO L158 Benchmark]: Boogie Preprocessor took 51.23ms. Allocated memory was 125.8MB in the beginning and 172.0MB in the end (delta: 46.1MB). Free memory was 56.8MB in the beginning and 141.3MB in the end (delta: -84.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 05:13:10,288 INFO L158 Benchmark]: RCFGBuilder took 743.13ms. Allocated memory is still 172.0MB. Free memory was 141.2MB in the beginning and 117.8MB in the end (delta: 23.5MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. [2023-11-19 05:13:10,288 INFO L158 Benchmark]: TraceAbstraction took 42020.22ms. Allocated memory was 172.0MB in the beginning and 664.8MB in the end (delta: 492.8MB). Free memory was 116.7MB in the beginning and 371.9MB in the end (delta: -255.2MB). Peak memory consumption was 380.4MB. Max. memory is 16.1GB. [2023-11-19 05:13:10,289 INFO L158 Benchmark]: Witness Printer took 184.65ms. Allocated memory is still 664.8MB. Free memory was 371.9MB in the beginning and 363.5MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 05:13:10,291 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 125.8MB. Free memory was 92.0MB in the beginning and 92.0MB in the end (delta: 34.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 546.94ms. Allocated memory is still 125.8MB. Free memory was 78.8MB in the beginning and 59.0MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.63ms. Allocated memory is still 125.8MB. Free memory was 59.0MB in the beginning and 56.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.23ms. Allocated memory was 125.8MB in the beginning and 172.0MB in the end (delta: 46.1MB). Free memory was 56.8MB in the beginning and 141.3MB in the end (delta: -84.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 743.13ms. Allocated memory is still 172.0MB. Free memory was 141.2MB in the beginning and 117.8MB in the end (delta: 23.5MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. * TraceAbstraction took 42020.22ms. Allocated memory was 172.0MB in the beginning and 664.8MB in the end (delta: 492.8MB). Free memory was 116.7MB in the beginning and 371.9MB in the end (delta: -255.2MB). Peak memory consumption was 380.4MB. Max. memory is 16.1GB. * Witness Printer took 184.65ms. Allocated memory is still 664.8MB. Free memory was 371.9MB in the beginning and 363.5MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. 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,"scenario.i","") [49] - GenericResultAtLocation [Line: 124]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [124] - GenericResultAtLocation [Line: 354]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [354] - GenericResultAtLocation [Line: 455]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [455] - GenericResultAtLocation [Line: 495]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [495] - GenericResultAtLocation [Line: 530]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [530] - GenericResultAtLocation [Line: 634]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [634] - GenericResultAtLocation [Line: 1000]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1000] * 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: 1005]: 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, 64 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 41.9s, OverallIterations: 11, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 11.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3360 SdHoareTripleChecker+Valid, 4.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3340 mSDsluCounter, 3530 SdHoareTripleChecker+Invalid, 3.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2779 mSDsCounter, 1662 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5405 IncrementalHoareTripleChecker+Invalid, 7067 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1662 mSolverCounterUnsat, 751 mSDtfsCounter, 5405 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 941 GetRequests, 593 SyntacticMatches, 14 SemanticMatches, 334 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16797 ImplicationChecksByTransitivity, 15.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=919occurred in iteration=10, InterpolantAutomatonStates: 215, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 11 MinimizatonAttempts, 359 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 23 LocationsWithAnnotation, 1276 PreInvPairs, 1428 NumberOfFragments, 2840 HoareAnnotationTreeSize, 1276 FomulaSimplifications, 12611 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 23 FomulaSimplificationsInter, 10958 FormulaSimplificationTreeSizeReductionInter, 5.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 5.3s InterpolantComputationTime, 805 NumberOfCodeBlocks, 805 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 970 ConstructedInterpolants, 0 QuantifiedInterpolants, 3279 SizeOfPredicates, 23 NumberOfNonLiveVariables, 1253 ConjunctsInSsa, 72 ConjunctsInUnsatCore, 17 InterpolantComputations, 9 PerfectInterpolantSequences, 442/584 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 366]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 66]: Loop Invariant Derived loop invariant: ((((((((((((2 == waterLevel) && (1 == systemActive)) && (methaneLevelCritical == 1)) && (splverifierCounter == 0)) && (pumpRunning == 1)) || ((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (splverifierCounter == 0)) && (0 == systemActive)) && (waterLevel == 1))) || ((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 1)) && (splverifierCounter == 0)) && (0 == systemActive)) && (waterLevel == 1))) || ((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (1 == systemActive)) && (methaneLevelCritical == 1)) && (splverifierCounter == 0)) && (waterLevel == 1))) || ((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (2 == waterLevel)) && (methaneLevelCritical == 1)) && (splverifierCounter == 0)) && (0 == systemActive))) || (((((2 == waterLevel) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (splverifierCounter == 0)) && (pumpRunning == 1))) || ((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (2 == waterLevel)) && (methaneLevelCritical == 0)) && (splverifierCounter == 0)) && (0 == systemActive))) || ((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (1 == systemActive)) && (splverifierCounter == 0)) && (waterLevel == 1))) - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: (((((((((((((((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || (methAndRunningLastTime == 0)) || !((methaneLevelCritical == 0))) || !((\old(waterLevel) == 2))) || !((0 == systemActive))) && (((((!((\old(pumpRunning) == 0)) || (((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (waterLevel == 1))) || !((\old(methAndRunningLastTime) == 0))) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) || !((methaneLevelCritical == 0)))) && (((((!((\old(pumpRunning) == 0)) || (((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (waterLevel == 1))) || !((\old(methAndRunningLastTime) == 0))) || !((\old(waterLevel) == 1))) || !((1 == systemActive))) || !((methaneLevelCritical == 1)))) && (((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || (((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (2 == waterLevel))) || !((\old(waterLevel) == 2)))) && ((((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && (2 == waterLevel))) || !((methaneLevelCritical == 0))) || !((\old(waterLevel) == 2))) || !((0 == systemActive)))) && ((((!((\old(pumpRunning) == 0)) || !((\old(waterLevel) == 1))) || (((pumpRunning == 0) && (\old(waterLevel) == 1)) && (waterLevel == 1))) || !((methaneLevelCritical == 1))) || !((0 == systemActive)))) && (((((((2 == waterLevel) && (\old(pumpRunning) == 1)) && (pumpRunning == 1)) || !((1 == systemActive))) || !((\old(pumpRunning) == 1))) || !((methaneLevelCritical == 1))) || !((\old(waterLevel) == 2)))) && (((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || (methAndRunningLastTime == 0)) || !((\old(waterLevel) == 1))) || !((methaneLevelCritical == 0))) || !((0 == systemActive)))) && (((((((2 == waterLevel) && (\old(pumpRunning) == 1)) && (pumpRunning == 1)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || !((\old(pumpRunning) == 1))) || !((\old(waterLevel) == 2)))) && ((((!((\old(pumpRunning) == 0)) || !((\old(waterLevel) == 1))) || (((pumpRunning == 0) && (\old(waterLevel) == 1)) && (waterLevel == 1))) || !((methaneLevelCritical == 0))) || !((0 == systemActive)))) && (((((!((\old(methAndRunningLastTime) == 0)) || (methAndRunningLastTime == 0)) || !((1 == systemActive))) || !((methaneLevelCritical == 0))) || !((\old(pumpRunning) == 1))) || !((\old(waterLevel) == 2)))) && (((((!((\old(pumpRunning) == 0)) || !((\old(methAndRunningLastTime) == 0))) || !((1 == systemActive))) || (((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (2 == waterLevel))) || !((methaneLevelCritical == 1))) || !((\old(waterLevel) == 2)))) && ((((!((\old(pumpRunning) == 0)) || ((pumpRunning == 0) && (2 == waterLevel))) || !((methaneLevelCritical == 1))) || !((\old(waterLevel) == 2))) || !((0 == systemActive)))) RESULT: Ultimate proved your program to be correct! [2023-11-19 05:13:10,325 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f12f7afb-1479-40af-8b28-811e04556fe3/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE