./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product29.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c33e43-79cc-4ef9-a999-c320e37e0a4a/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c33e43-79cc-4ef9-a999-c320e37e0a4a/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_15c33e43-79cc-4ef9-a999-c320e37e0a4a/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c33e43-79cc-4ef9-a999-c320e37e0a4a/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product29.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c33e43-79cc-4ef9-a999-c320e37e0a4a/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_15c33e43-79cc-4ef9-a999-c320e37e0a4a/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 a52f3030559d2895f2e87e8df462d73474ae0a795c3864102f9df18ea4363ab3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:06:12,296 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:06:12,424 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c33e43-79cc-4ef9-a999-c320e37e0a4a/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-19 05:06:12,428 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:06:12,429 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:06:12,455 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:06:12,456 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:06:12,457 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:06:12,458 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:06:12,463 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:06:12,464 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:06:12,465 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:06:12,466 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:06:12,467 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:06:12,468 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:06:12,468 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:06:12,469 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:06:12,469 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:06:12,469 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:06:12,470 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:06:12,470 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:06:12,471 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:06:12,472 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:06:12,473 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:06:12,473 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:06:12,474 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:06:12,474 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:06:12,474 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:06:12,475 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:06:12,475 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:06:12,477 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:06:12,477 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:06:12,477 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:06:12,478 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:06:12,478 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:06:12,478 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:06:12,478 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:06:12,479 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:06:12,479 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:06:12,479 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:06:12,480 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:06:12,481 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:06:12,481 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:06:12,481 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:06:12,482 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:06:12,482 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_15c33e43-79cc-4ef9-a999-c320e37e0a4a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c33e43-79cc-4ef9-a999-c320e37e0a4a/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a52f3030559d2895f2e87e8df462d73474ae0a795c3864102f9df18ea4363ab3 [2023-11-19 05:06:12,806 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:06:12,857 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:06:12,860 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:06:12,862 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:06:12,862 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:06:12,864 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c33e43-79cc-4ef9-a999-c320e37e0a4a/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/product-lines/minepump_spec2_product29.cil.c [2023-11-19 05:06:16,099 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:06:16,409 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:06:16,410 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c33e43-79cc-4ef9-a999-c320e37e0a4a/sv-benchmarks/c/product-lines/minepump_spec2_product29.cil.c [2023-11-19 05:06:16,428 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c33e43-79cc-4ef9-a999-c320e37e0a4a/bin/utaipan-verify-t7M7D8N6sZ/data/740cbbc5e/d9968bbb8f71482599bfd28ae39740e4/FLAG4709168b9 [2023-11-19 05:06:16,446 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c33e43-79cc-4ef9-a999-c320e37e0a4a/bin/utaipan-verify-t7M7D8N6sZ/data/740cbbc5e/d9968bbb8f71482599bfd28ae39740e4 [2023-11-19 05:06:16,449 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:06:16,451 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:06:16,453 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:06:16,453 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:06:16,460 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:06:16,461 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:06:16" (1/1) ... [2023-11-19 05:06:16,462 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71df2f1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:16, skipping insertion in model container [2023-11-19 05:06:16,463 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:06:16" (1/1) ... [2023-11-19 05:06:16,519 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:06:16,802 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_15c33e43-79cc-4ef9-a999-c320e37e0a4a/sv-benchmarks/c/product-lines/minepump_spec2_product29.cil.c[5259,5272] [2023-11-19 05:06:16,905 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:06:16,921 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:06:16,953 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [49] [2023-11-19 05:06:16,954 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [254] [2023-11-19 05:06:16,955 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [322] [2023-11-19 05:06:16,955 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [331] [2023-11-19 05:06:16,976 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [432] [2023-11-19 05:06:16,989 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [471] [2023-11-19 05:06:16,990 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [506] [2023-11-19 05:06:16,990 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [596] [2023-11-19 05:06:17,075 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_15c33e43-79cc-4ef9-a999-c320e37e0a4a/sv-benchmarks/c/product-lines/minepump_spec2_product29.cil.c[5259,5272] [2023-11-19 05:06:17,185 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:06:17,223 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:06:17,223 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:17 WrapperNode [2023-11-19 05:06:17,224 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:06:17,225 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:06:17,225 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:06:17,225 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:06:17,233 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:17" (1/1) ... [2023-11-19 05:06:17,252 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:17" (1/1) ... [2023-11-19 05:06:17,303 INFO L138 Inliner]: procedures = 55, calls = 100, calls flagged for inlining = 20, calls inlined = 16, statements flattened = 177 [2023-11-19 05:06:17,304 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:06:17,305 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:06:17,307 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:06:17,307 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:06:17,320 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:17" (1/1) ... [2023-11-19 05:06:17,320 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:17" (1/1) ... [2023-11-19 05:06:17,323 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:17" (1/1) ... [2023-11-19 05:06:17,324 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:17" (1/1) ... [2023-11-19 05:06:17,332 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:17" (1/1) ... [2023-11-19 05:06:17,338 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:17" (1/1) ... [2023-11-19 05:06:17,340 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:17" (1/1) ... [2023-11-19 05:06:17,342 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:17" (1/1) ... [2023-11-19 05:06:17,358 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:06:17,359 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:06:17,360 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:06:17,360 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:06:17,361 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:17" (1/1) ... [2023-11-19 05:06:17,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:06:17,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c33e43-79cc-4ef9-a999-c320e37e0a4a/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:06:17,402 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c33e43-79cc-4ef9-a999-c320e37e0a4a/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:06:17,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c33e43-79cc-4ef9-a999-c320e37e0a4a/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:06:17,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:06:17,458 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-11-19 05:06:17,459 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-11-19 05:06:17,459 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-19 05:06:17,459 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-19 05:06:17,460 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-11-19 05:06:17,460 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-11-19 05:06:17,460 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-19 05:06:17,460 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-19 05:06:17,462 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-19 05:06:17,462 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-19 05:06:17,462 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-11-19 05:06:17,463 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-11-19 05:06:17,463 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-11-19 05:06:17,464 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-11-19 05:06:17,464 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-11-19 05:06:17,466 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-11-19 05:06:17,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:06:17,466 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-19 05:06:17,467 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-19 05:06:17,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:06:17,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:06:17,624 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:06:17,627 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:06:18,055 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:06:18,173 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:06:18,174 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 05:06:18,180 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:06:18 BoogieIcfgContainer [2023-11-19 05:06:18,180 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:06:18,184 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:06:18,184 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:06:18,188 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:06:18,189 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:06:16" (1/3) ... [2023-11-19 05:06:18,190 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@437f76f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:06:18, skipping insertion in model container [2023-11-19 05:06:18,190 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:06:17" (2/3) ... [2023-11-19 05:06:18,191 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@437f76f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:06:18, skipping insertion in model container [2023-11-19 05:06:18,191 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:06:18" (3/3) ... [2023-11-19 05:06:18,193 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product29.cil.c [2023-11-19 05:06:18,218 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:06:18,219 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 05:06:18,295 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:06:18,303 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;@78effa20, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:06:18,304 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 05:06:18,310 INFO L276 IsEmpty]: Start isEmpty. Operand has 66 states, 40 states have (on average 1.4) internal successors, (56), 48 states have internal predecessors, (56), 15 states have call successors, (15), 9 states have call predecessors, (15), 9 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-19 05:06:18,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 05:06:18,323 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:06:18,324 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 05:06:18,325 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:06:18,333 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:06:18,334 INFO L85 PathProgramCache]: Analyzing trace with hash 214553379, now seen corresponding path program 1 times [2023-11-19 05:06:18,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:06:18,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503809832] [2023-11-19 05:06:18,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:06:18,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:06:18,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:06:18,599 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 05:06:18,599 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:06:18,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503809832] [2023-11-19 05:06:18,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503809832] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:06:18,600 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:06:18,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:06:18,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595962559] [2023-11-19 05:06:18,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:06:18,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 05:06:18,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:06:18,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 05:06:18,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:06:18,668 INFO L87 Difference]: Start difference. First operand has 66 states, 40 states have (on average 1.4) internal successors, (56), 48 states have internal predecessors, (56), 15 states have call successors, (15), 9 states have call predecessors, (15), 9 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) 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 05:06:18,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:06:18,774 INFO L93 Difference]: Finished difference Result 130 states and 173 transitions. [2023-11-19 05:06:18,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 05:06:18,781 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 05:06:18,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:06:18,790 INFO L225 Difference]: With dead ends: 130 [2023-11-19 05:06:18,791 INFO L226 Difference]: Without dead ends: 61 [2023-11-19 05:06:18,795 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 05:06:18,800 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:06:18,801 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 67 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 05:06:18,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2023-11-19 05:06:18,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2023-11-19 05:06:18,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 37 states have (on average 1.2972972972972974) internal successors, (48), 44 states have internal predecessors, (48), 15 states have call successors, (15), 9 states have call predecessors, (15), 8 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-19 05:06:18,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 77 transitions. [2023-11-19 05:06:18,868 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 77 transitions. Word has length 17 [2023-11-19 05:06:18,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:06:18,869 INFO L495 AbstractCegarLoop]: Abstraction has 61 states and 77 transitions. [2023-11-19 05:06:18,869 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 05:06:18,870 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 77 transitions. [2023-11-19 05:06:18,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 05:06:18,873 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:06:18,873 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 05:06:18,873 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 05:06:18,874 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:06:18,875 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:06:18,875 INFO L85 PathProgramCache]: Analyzing trace with hash 602196989, now seen corresponding path program 1 times [2023-11-19 05:06:18,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:06:18,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32178088] [2023-11-19 05:06:18,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:06:18,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:06:18,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:06:19,059 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 05:06:19,060 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:06:19,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32178088] [2023-11-19 05:06:19,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32178088] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:06:19,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:06:19,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:06:19,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860514496] [2023-11-19 05:06:19,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:06:19,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:06:19,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:06:19,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:06:19,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:06:19,066 INFO L87 Difference]: Start difference. First operand 61 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 05:06:19,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:06:19,117 INFO L93 Difference]: Finished difference Result 99 states and 125 transitions. [2023-11-19 05:06:19,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:06:19,118 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 05:06:19,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:06:19,120 INFO L225 Difference]: With dead ends: 99 [2023-11-19 05:06:19,120 INFO L226 Difference]: Without dead ends: 53 [2023-11-19 05:06:19,122 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 05:06:19,124 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 7 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:06:19,125 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 97 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:06:19,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2023-11-19 05:06:19,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2023-11-19 05:06:19,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 32 states have (on average 1.3125) internal successors, (42), 39 states have internal predecessors, (42), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-19 05:06:19,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 66 transitions. [2023-11-19 05:06:19,140 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 66 transitions. Word has length 18 [2023-11-19 05:06:19,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:06:19,140 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 66 transitions. [2023-11-19 05:06:19,141 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 05:06:19,141 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 66 transitions. [2023-11-19 05:06:19,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 05:06:19,143 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:06:19,143 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] [2023-11-19 05:06:19,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 05:06:19,144 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:06:19,145 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:06:19,145 INFO L85 PathProgramCache]: Analyzing trace with hash 1506911410, now seen corresponding path program 1 times [2023-11-19 05:06:19,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:06:19,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126788243] [2023-11-19 05:06:19,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:06:19,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:06:19,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:06:19,362 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 05:06:19,362 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:06:19,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126788243] [2023-11-19 05:06:19,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126788243] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:06:19,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:06:19,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:06:19,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13682070] [2023-11-19 05:06:19,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:06:19,367 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:06:19,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:06:19,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:06:19,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:06:19,369 INFO L87 Difference]: Start difference. First operand 53 states and 66 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 05:06:19,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:06:19,449 INFO L93 Difference]: Finished difference Result 104 states and 131 transitions. [2023-11-19 05:06:19,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:06:19,450 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 20 [2023-11-19 05:06:19,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:06:19,452 INFO L225 Difference]: With dead ends: 104 [2023-11-19 05:06:19,455 INFO L226 Difference]: Without dead ends: 53 [2023-11-19 05:06:19,456 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 05:06:19,461 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 55 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:06:19,464 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 51 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 05:06:19,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2023-11-19 05:06:19,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2023-11-19 05:06:19,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 32 states have (on average 1.28125) internal successors, (41), 39 states have internal predecessors, (41), 12 states have call successors, (12), 8 states have call predecessors, (12), 8 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-19 05:06:19,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 65 transitions. [2023-11-19 05:06:19,484 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 65 transitions. Word has length 20 [2023-11-19 05:06:19,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:06:19,485 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 65 transitions. [2023-11-19 05:06:19,485 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 05:06:19,485 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 65 transitions. [2023-11-19 05:06:19,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 05:06:19,487 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:06:19,488 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] [2023-11-19 05:06:19,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 05:06:19,488 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:06:19,489 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:06:19,490 INFO L85 PathProgramCache]: Analyzing trace with hash -1637559933, now seen corresponding path program 1 times [2023-11-19 05:06:19,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:06:19,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544347525] [2023-11-19 05:06:19,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:06:19,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:06:19,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:06:19,771 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 05:06:19,771 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:06:19,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544347525] [2023-11-19 05:06:19,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544347525] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:06:19,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:06:19,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-19 05:06:19,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845169438] [2023-11-19 05:06:19,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:06:19,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-19 05:06:19,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:06:19,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-19 05:06:19,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-19 05:06:19,776 INFO L87 Difference]: Start difference. First operand 53 states and 65 transitions. Second operand has 6 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-19 05:06:20,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:06:20,019 INFO L93 Difference]: Finished difference Result 151 states and 188 transitions. [2023-11-19 05:06:20,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-19 05:06:20,020 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 30 [2023-11-19 05:06:20,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:06:20,024 INFO L225 Difference]: With dead ends: 151 [2023-11-19 05:06:20,024 INFO L226 Difference]: Without dead ends: 100 [2023-11-19 05:06:20,025 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-11-19 05:06:20,027 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 41 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-19 05:06:20,028 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 224 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-19 05:06:20,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2023-11-19 05:06:20,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 97. [2023-11-19 05:06:20,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 58 states have (on average 1.2586206896551724) internal successors, (73), 70 states have internal predecessors, (73), 23 states have call successors, (23), 15 states have call predecessors, (23), 15 states have return successors, (23), 15 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-19 05:06:20,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 119 transitions. [2023-11-19 05:06:20,058 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 119 transitions. Word has length 30 [2023-11-19 05:06:20,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:06:20,063 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 119 transitions. [2023-11-19 05:06:20,063 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-19 05:06:20,064 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 119 transitions. [2023-11-19 05:06:20,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 05:06:20,066 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:06:20,066 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:06:20,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 05:06:20,067 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 05:06:20,067 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:06:20,068 INFO L85 PathProgramCache]: Analyzing trace with hash 1473922647, now seen corresponding path program 1 times [2023-11-19 05:06:20,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:06:20,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627979802] [2023-11-19 05:06:20,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:06:20,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:06:20,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:06:20,252 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 05:06:20,253 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:06:20,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627979802] [2023-11-19 05:06:20,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627979802] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:06:20,254 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:06:20,254 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-19 05:06:20,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593958927] [2023-11-19 05:06:20,255 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:06:20,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-19 05:06:20,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:06:20,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-19 05:06:20,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-19 05:06:20,257 INFO L87 Difference]: Start difference. First operand 97 states and 119 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-19 05:06:20,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:06:20,360 INFO L93 Difference]: Finished difference Result 162 states and 198 transitions. [2023-11-19 05:06:20,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-19 05:06:20,361 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 33 [2023-11-19 05:06:20,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:06:20,362 INFO L225 Difference]: With dead ends: 162 [2023-11-19 05:06:20,362 INFO L226 Difference]: Without dead ends: 0 [2023-11-19 05:06:20,364 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-19 05:06:20,366 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 30 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:06:20,367 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 43 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 05:06:20,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-19 05:06:20,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-19 05:06:20,368 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 05:06:20,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-19 05:06:20,369 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2023-11-19 05:06:20,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:06:20,370 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 05:06:20,370 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-19 05:06:20,370 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-19 05:06:20,371 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 05:06:20,374 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 05:06:20,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-19 05:06:20,377 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-19 05:06:20,808 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 171 178) no Hoare annotation was computed. [2023-11-19 05:06:20,809 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 171 178) the Hoare annotation is: true [2023-11-19 05:06:20,809 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 87 93) no Hoare annotation was computed. [2023-11-19 05:06:20,809 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 87 93) the Hoare annotation is: true [2023-11-19 05:06:20,810 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 534 545) the Hoare annotation is: true [2023-11-19 05:06:20,810 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 534 545) no Hoare annotation was computed. [2023-11-19 05:06:20,810 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 333 362) no Hoare annotation was computed. [2023-11-19 05:06:20,810 INFO L899 garLoopResultBuilder]: For program point L347(lines 347 351) no Hoare annotation was computed. [2023-11-19 05:06:20,811 INFO L902 garLoopResultBuilder]: At program point L347-1(lines 347 351) the Hoare annotation is: true [2023-11-19 05:06:20,811 INFO L902 garLoopResultBuilder]: At program point L343-2(lines 343 357) the Hoare annotation is: true [2023-11-19 05:06:20,811 INFO L902 garLoopResultBuilder]: At program point L339(line 339) the Hoare annotation is: true [2023-11-19 05:06:20,811 INFO L899 garLoopResultBuilder]: For program point L339-1(line 339) no Hoare annotation was computed. [2023-11-19 05:06:20,812 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 333 362) the Hoare annotation is: true [2023-11-19 05:06:20,812 INFO L899 garLoopResultBuilder]: For program point L358(lines 333 362) no Hoare annotation was computed. [2023-11-19 05:06:20,812 INFO L899 garLoopResultBuilder]: For program point L354(line 354) no Hoare annotation was computed. [2023-11-19 05:06:20,812 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 546 554) the Hoare annotation is: true [2023-11-19 05:06:20,813 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 546 554) no Hoare annotation was computed. [2023-11-19 05:06:20,813 INFO L895 garLoopResultBuilder]: At program point L448(line 448) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2023-11-19 05:06:20,813 INFO L899 garLoopResultBuilder]: For program point L448-1(line 448) no Hoare annotation was computed. [2023-11-19 05:06:20,813 INFO L895 garLoopResultBuilder]: At program point L135(line 135) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2023-11-19 05:06:20,814 INFO L895 garLoopResultBuilder]: At program point L131(line 131) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2023-11-19 05:06:20,814 INFO L895 garLoopResultBuilder]: At program point L127(line 127) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2023-11-19 05:06:20,814 INFO L899 garLoopResultBuilder]: For program point L127-1(line 127) no Hoare annotation was computed. [2023-11-19 05:06:20,814 INFO L895 garLoopResultBuilder]: At program point L140(line 140) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2023-11-19 05:06:20,815 INFO L899 garLoopResultBuilder]: For program point L140-1(lines 121 145) no Hoare annotation was computed. [2023-11-19 05:06:20,815 INFO L899 garLoopResultBuilder]: For program point L74-1(lines 74 80) no Hoare annotation was computed. [2023-11-19 05:06:20,815 INFO L899 garLoopResultBuilder]: For program point L454(lines 454 464) no Hoare annotation was computed. [2023-11-19 05:06:20,815 INFO L899 garLoopResultBuilder]: For program point L450(lines 450 467) no Hoare annotation was computed. [2023-11-19 05:06:20,816 INFO L899 garLoopResultBuilder]: For program point L450-1(lines 442 470) no Hoare annotation was computed. [2023-11-19 05:06:20,816 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 63 86) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2023-11-19 05:06:20,816 INFO L899 garLoopResultBuilder]: For program point L455(lines 455 461) no Hoare annotation was computed. [2023-11-19 05:06:20,816 INFO L899 garLoopResultBuilder]: For program point L327(line 327) no Hoare annotation was computed. [2023-11-19 05:06:20,817 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 66 85) no Hoare annotation was computed. [2023-11-19 05:06:20,817 INFO L899 garLoopResultBuilder]: For program point L129(lines 129 137) no Hoare annotation was computed. [2023-11-19 05:06:20,817 INFO L899 garLoopResultBuilder]: For program point L125(lines 125 142) no Hoare annotation was computed. [2023-11-19 05:06:20,817 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 63 86) no Hoare annotation was computed. [2023-11-19 05:06:20,818 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 327) no Hoare annotation was computed. [2023-11-19 05:06:20,818 INFO L899 garLoopResultBuilder]: For program point L419-2(lines 419 426) no Hoare annotation was computed. [2023-11-19 05:06:20,818 INFO L895 garLoopResultBuilder]: At program point L304-2(lines 298 309) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-19 05:06:20,819 INFO L899 garLoopResultBuilder]: For program point L288(lines 288 294) no Hoare annotation was computed. [2023-11-19 05:06:20,819 INFO L899 garLoopResultBuilder]: For program point L288-1(lines 288 294) no Hoare annotation was computed. [2023-11-19 05:06:20,819 INFO L899 garLoopResultBuilder]: For program point L317(lines 258 321) no Hoare annotation was computed. [2023-11-19 05:06:20,819 INFO L895 garLoopResultBuilder]: At program point L280(line 280) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-19 05:06:20,820 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-19 05:06:20,820 INFO L895 garLoopResultBuilder]: At program point L314(lines 267 315) the Hoare annotation is: false [2023-11-19 05:06:20,820 INFO L899 garLoopResultBuilder]: For program point L269(lines 268 313) no Hoare annotation was computed. [2023-11-19 05:06:20,820 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-19 05:06:20,821 INFO L895 garLoopResultBuilder]: At program point L290(line 290) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-19 05:06:20,821 INFO L895 garLoopResultBuilder]: At program point L311(lines 268 313) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-19 05:06:20,821 INFO L899 garLoopResultBuilder]: For program point L278(lines 278 284) no Hoare annotation was computed. [2023-11-19 05:06:20,821 INFO L899 garLoopResultBuilder]: For program point L278-1(lines 278 284) no Hoare annotation was computed. [2023-11-19 05:06:20,822 INFO L899 garLoopResultBuilder]: For program point L419(lines 419 426) no Hoare annotation was computed. [2023-11-19 05:06:20,822 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 522 533) no Hoare annotation was computed. [2023-11-19 05:06:20,822 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 522 533) the Hoare annotation is: true [2023-11-19 05:06:20,822 INFO L895 garLoopResultBuilder]: At program point L114(line 114) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2023-11-19 05:06:20,823 INFO L899 garLoopResultBuilder]: For program point L114-1(lines 95 119) no Hoare annotation was computed. [2023-11-19 05:06:20,823 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 95 119) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (not (= 1 ~systemActive~0))) [2023-11-19 05:06:20,823 INFO L895 garLoopResultBuilder]: At program point L109(line 109) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2023-11-19 05:06:20,823 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 95 119) no Hoare annotation was computed. [2023-11-19 05:06:20,824 INFO L895 garLoopResultBuilder]: At program point L105(line 105) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0))) [2023-11-19 05:06:20,824 INFO L899 garLoopResultBuilder]: For program point L103(lines 103 111) no Hoare annotation was computed. [2023-11-19 05:06:20,824 INFO L899 garLoopResultBuilder]: For program point L99(lines 99 116) no Hoare annotation was computed. [2023-11-19 05:06:20,824 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 179 189) no Hoare annotation was computed. [2023-11-19 05:06:20,825 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 179 189) the Hoare annotation is: true [2023-11-19 05:06:20,825 INFO L902 garLoopResultBuilder]: At program point L184(line 184) the Hoare annotation is: true [2023-11-19 05:06:20,825 INFO L899 garLoopResultBuilder]: For program point L184-1(line 184) no Hoare annotation was computed. [2023-11-19 05:06:20,829 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-11-19 05:06:20,831 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:06:20,846 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:06:20 BoogieIcfgContainer [2023-11-19 05:06:20,847 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:06:20,848 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:06:20,848 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:06:20,848 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:06:20,849 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:06:18" (3/4) ... [2023-11-19 05:06:20,851 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 05:06:20,855 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2023-11-19 05:06:20,856 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2023-11-19 05:06:20,856 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-19 05:06:20,856 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-19 05:06:20,856 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2023-11-19 05:06:20,856 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-19 05:06:20,857 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-19 05:06:20,857 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2023-11-19 05:06:20,857 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2023-11-19 05:06:20,867 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2023-11-19 05:06:20,868 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2023-11-19 05:06:20,869 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-19 05:06:20,870 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 05:06:20,871 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 05:06:20,906 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!((\old(pumpRunning) == 0)) || (pumpRunning == 0)) || !((1 == systemActive))) [2023-11-19 05:06:20,947 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!((\old(pumpRunning) == 0)) || (pumpRunning == 0)) || !((1 == systemActive))) [2023-11-19 05:06:21,007 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c33e43-79cc-4ef9-a999-c320e37e0a4a/bin/utaipan-verify-t7M7D8N6sZ/witness.graphml [2023-11-19 05:06:21,007 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c33e43-79cc-4ef9-a999-c320e37e0a4a/bin/utaipan-verify-t7M7D8N6sZ/witness.yml [2023-11-19 05:06:21,008 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:06:21,009 INFO L158 Benchmark]: Toolchain (without parser) took 4557.72ms. Allocated memory was 115.3MB in the beginning and 153.1MB in the end (delta: 37.7MB). Free memory was 72.9MB in the beginning and 100.0MB in the end (delta: -27.2MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB. [2023-11-19 05:06:21,009 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 115.3MB. Free memory was 86.2MB in the beginning and 86.1MB in the end (delta: 29.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:06:21,010 INFO L158 Benchmark]: CACSL2BoogieTranslator took 771.29ms. Allocated memory was 115.3MB in the beginning and 153.1MB in the end (delta: 37.7MB). Free memory was 72.6MB in the beginning and 121.7MB in the end (delta: -49.1MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2023-11-19 05:06:21,010 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.33ms. Allocated memory is still 153.1MB. Free memory was 121.7MB in the beginning and 119.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:06:21,011 INFO L158 Benchmark]: Boogie Preprocessor took 53.79ms. Allocated memory is still 153.1MB. Free memory was 119.6MB in the beginning and 118.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:06:21,011 INFO L158 Benchmark]: RCFGBuilder took 820.97ms. Allocated memory is still 153.1MB. Free memory was 118.2MB in the beginning and 93.8MB in the end (delta: 24.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-19 05:06:21,012 INFO L158 Benchmark]: TraceAbstraction took 2663.37ms. Allocated memory is still 153.1MB. Free memory was 93.0MB in the beginning and 107.4MB in the end (delta: -14.3MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2023-11-19 05:06:21,012 INFO L158 Benchmark]: Witness Printer took 160.31ms. Allocated memory is still 153.1MB. Free memory was 107.4MB in the beginning and 100.0MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 05:06:21,015 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 115.3MB. Free memory was 86.2MB in the beginning and 86.1MB in the end (delta: 29.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 771.29ms. Allocated memory was 115.3MB in the beginning and 153.1MB in the end (delta: 37.7MB). Free memory was 72.6MB in the beginning and 121.7MB in the end (delta: -49.1MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.33ms. Allocated memory is still 153.1MB. Free memory was 121.7MB in the beginning and 119.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.79ms. Allocated memory is still 153.1MB. Free memory was 119.6MB in the beginning and 118.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 820.97ms. Allocated memory is still 153.1MB. Free memory was 118.2MB in the beginning and 93.8MB in the end (delta: 24.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 2663.37ms. Allocated memory is still 153.1MB. Free memory was 93.0MB in the beginning and 107.4MB in the end (delta: -14.3MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Witness Printer took 160.31ms. Allocated memory is still 153.1MB. Free memory was 107.4MB in the beginning and 100.0MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [49] - GenericResultAtLocation [Line: 254]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [254] - GenericResultAtLocation [Line: 322]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [322] - GenericResultAtLocation [Line: 331]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [331] - GenericResultAtLocation [Line: 432]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [432] - GenericResultAtLocation [Line: 471]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [471] - GenericResultAtLocation [Line: 506]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [506] - GenericResultAtLocation [Line: 596]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [596] * 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: 327]: 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 10 procedures, 66 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.6s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 139 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 133 mSDsluCounter, 482 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 242 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 198 IncrementalHoareTripleChecker+Invalid, 214 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 240 mSDtfsCounter, 198 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=97occurred in iteration=4, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 199 PreInvPairs, 208 NumberOfFragments, 157 HoareAnnotationTreeSize, 199 FomulaSimplifications, 8 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 26 FomulaSimplificationsInter, 436 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 118 NumberOfCodeBlocks, 118 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 113 ConstructedInterpolants, 0 QuantifiedInterpolants, 221 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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: 343]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 267]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: ((!((\old(pumpRunning) == 0)) || (pumpRunning == 0)) || !((1 == systemActive))) - InvariantResult [Line: 268]: Loop Invariant Derived loop invariant: (((pumpRunning == 0) && (1 == systemActive)) && (splverifierCounter == 0)) RESULT: Ultimate proved your program to be correct! [2023-11-19 05:06:21,059 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c33e43-79cc-4ef9-a999-c320e37e0a4a/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