./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product28.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_9cadf0aa-a215-469a-98a2-cf57d8018689/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cadf0aa-a215-469a-98a2-cf57d8018689/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cadf0aa-a215-469a-98a2-cf57d8018689/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cadf0aa-a215-469a-98a2-cf57d8018689/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product28.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cadf0aa-a215-469a-98a2-cf57d8018689/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cadf0aa-a215-469a-98a2-cf57d8018689/bin/utaipan-verify-YMUCfTKeje --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 27746ab44f558a6ebb6981088914ebe56dec54e6e61aba8484d841196c9545ea --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 05:46:33,441 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 05:46:33,530 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cadf0aa-a215-469a-98a2-cf57d8018689/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 05:46:33,536 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 05:46:33,537 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 05:46:33,557 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 05:46:33,558 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 05:46:33,558 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 05:46:33,559 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 05:46:33,559 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 05:46:33,560 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 05:46:33,560 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 05:46:33,561 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 05:46:33,561 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 05:46:33,561 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 05:46:33,562 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 05:46:33,562 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 05:46:33,563 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 05:46:33,563 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 05:46:33,564 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 05:46:33,564 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 05:46:33,565 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 05:46:33,565 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 05:46:33,566 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 05:46:33,566 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 05:46:33,566 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 05:46:33,567 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 05:46:33,567 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 05:46:33,568 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 05:46:33,571 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 05:46:33,571 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 05:46:33,572 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 05:46:33,572 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 05:46:33,572 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 05:46:33,573 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 05:46:33,573 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 05:46:33,573 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 05:46:33,574 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 05:46:33,574 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:46:33,574 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 05:46:33,577 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 05:46:33,578 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 05:46:33,578 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 05:46:33,578 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 05:46:33,579 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 05:46:33,580 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 05:46:33,580 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 05:46:33,580 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_9cadf0aa-a215-469a-98a2-cf57d8018689/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cadf0aa-a215-469a-98a2-cf57d8018689/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 27746ab44f558a6ebb6981088914ebe56dec54e6e61aba8484d841196c9545ea [2024-11-09 05:46:33,902 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 05:46:33,939 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 05:46:33,941 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 05:46:33,945 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 05:46:33,945 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 05:46:33,947 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cadf0aa-a215-469a-98a2-cf57d8018689/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/product-lines/minepump_spec5_product28.cil.c Unable to find full path for "g++" [2024-11-09 05:46:35,946 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 05:46:36,188 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 05:46:36,188 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cadf0aa-a215-469a-98a2-cf57d8018689/sv-benchmarks/c/product-lines/minepump_spec5_product28.cil.c [2024-11-09 05:46:36,208 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cadf0aa-a215-469a-98a2-cf57d8018689/bin/utaipan-verify-YMUCfTKeje/data/78a1bb184/b1780c98d9f44921b88988d6141df99b/FLAG23153bfa2 [2024-11-09 05:46:36,228 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cadf0aa-a215-469a-98a2-cf57d8018689/bin/utaipan-verify-YMUCfTKeje/data/78a1bb184/b1780c98d9f44921b88988d6141df99b [2024-11-09 05:46:36,230 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 05:46:36,231 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 05:46:36,233 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 05:46:36,233 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 05:46:36,238 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 05:46:36,239 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:46:36" (1/1) ... [2024-11-09 05:46:36,240 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55bcd83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:46:36, skipping insertion in model container [2024-11-09 05:46:36,240 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:46:36" (1/1) ... [2024-11-09 05:46:36,301 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 05:46:36,665 WARN L250 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_9cadf0aa-a215-469a-98a2-cf57d8018689/sv-benchmarks/c/product-lines/minepump_spec5_product28.cil.c[15131,15144] [2024-11-09 05:46:36,700 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:46:36,718 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 05:46:36,729 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2024-11-09 05:46:36,731 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [145] [2024-11-09 05:46:36,731 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [196] [2024-11-09 05:46:36,732 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [299] [2024-11-09 05:46:36,732 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [665] [2024-11-09 05:46:36,732 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [700] [2024-11-09 05:46:36,732 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [709] [2024-11-09 05:46:36,733 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [909] [2024-11-09 05:46:36,823 WARN L250 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_9cadf0aa-a215-469a-98a2-cf57d8018689/sv-benchmarks/c/product-lines/minepump_spec5_product28.cil.c[15131,15144] [2024-11-09 05:46:36,837 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 05:46:36,866 INFO L204 MainTranslator]: Completed translation [2024-11-09 05:46:36,867 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:46:36 WrapperNode [2024-11-09 05:46:36,867 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 05:46:36,868 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 05:46:36,868 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 05:46:36,869 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 05:46:36,874 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:46:36" (1/1) ... [2024-11-09 05:46:36,890 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:46:36" (1/1) ... [2024-11-09 05:46:36,919 INFO L138 Inliner]: procedures = 57, calls = 101, calls flagged for inlining = 25, calls inlined = 19, statements flattened = 176 [2024-11-09 05:46:36,923 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 05:46:36,925 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 05:46:36,925 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 05:46:36,925 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 05:46:36,936 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:46:36" (1/1) ... [2024-11-09 05:46:36,936 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:46:36" (1/1) ... [2024-11-09 05:46:36,938 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:46:36" (1/1) ... [2024-11-09 05:46:36,939 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:46:36" (1/1) ... [2024-11-09 05:46:36,944 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:46:36" (1/1) ... [2024-11-09 05:46:36,948 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:46:36" (1/1) ... [2024-11-09 05:46:36,950 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:46:36" (1/1) ... [2024-11-09 05:46:36,951 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:46:36" (1/1) ... [2024-11-09 05:46:36,954 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 05:46:36,955 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 05:46:36,955 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 05:46:36,955 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 05:46:36,956 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:46:36" (1/1) ... [2024-11-09 05:46:36,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 05:46:36,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cadf0aa-a215-469a-98a2-cf57d8018689/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 05:46:37,013 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cadf0aa-a215-469a-98a2-cf57d8018689/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 05:46:37,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cadf0aa-a215-469a-98a2-cf57d8018689/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 05:46:37,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 05:46:37,060 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-11-09 05:46:37,060 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-11-09 05:46:37,060 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-09 05:46:37,061 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-09 05:46:37,061 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-09 05:46:37,062 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-09 05:46:37,062 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-09 05:46:37,062 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-09 05:46:37,062 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2024-11-09 05:46:37,063 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2024-11-09 05:46:37,063 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2024-11-09 05:46:37,064 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2024-11-09 05:46:37,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 05:46:37,064 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-09 05:46:37,065 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-09 05:46:37,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 05:46:37,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 05:46:37,189 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 05:46:37,192 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 05:46:37,577 INFO L? ?]: Removed 35 outVars from TransFormulas that were not future-live. [2024-11-09 05:46:37,577 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 05:46:37,713 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 05:46:37,713 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-09 05:46:37,714 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:46:37 BoogieIcfgContainer [2024-11-09 05:46:37,714 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 05:46:37,717 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 05:46:37,717 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 05:46:37,720 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 05:46:37,720 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:46:36" (1/3) ... [2024-11-09 05:46:37,721 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ab43045 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:46:37, skipping insertion in model container [2024-11-09 05:46:37,721 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:46:36" (2/3) ... [2024-11-09 05:46:37,722 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ab43045 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:46:37, skipping insertion in model container [2024-11-09 05:46:37,722 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:46:37" (3/3) ... [2024-11-09 05:46:37,723 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product28.cil.c [2024-11-09 05:46:37,745 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 05:46:37,746 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 05:46:37,839 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 05:46:37,844 INFO L333 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, 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;@220aef54, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 05:46:37,845 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 05:46:37,851 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 38 states have (on average 1.4473684210526316) internal successors, (55), 45 states have internal predecessors, (55), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-09 05:46:37,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-09 05:46:37,860 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:46:37,861 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:46:37,861 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:46:37,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:46:37,866 INFO L85 PathProgramCache]: Analyzing trace with hash 677242868, now seen corresponding path program 1 times [2024-11-09 05:46:37,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:46:37,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731016491] [2024-11-09 05:46:37,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:46:37,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:46:37,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:46:38,059 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 05:46:38,060 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:46:38,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731016491] [2024-11-09 05:46:38,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731016491] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:46:38,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:46:38,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 05:46:38,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184228012] [2024-11-09 05:46:38,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:46:38,066 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 05:46:38,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:46:38,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 05:46:38,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 05:46:38,091 INFO L87 Difference]: Start difference. First operand has 59 states, 38 states have (on average 1.4473684210526316) internal successors, (55), 45 states have internal predecessors, (55), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 05:46:38,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:46:38,175 INFO L93 Difference]: Finished difference Result 116 states and 159 transitions. [2024-11-09 05:46:38,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 05:46:38,181 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2024-11-09 05:46:38,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:46:38,190 INFO L225 Difference]: With dead ends: 116 [2024-11-09 05:46:38,190 INFO L226 Difference]: Without dead ends: 54 [2024-11-09 05:46:38,195 INFO L431 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 [2024-11-09 05:46:38,202 INFO L432 NwaCegarLoop]: 60 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, 60 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 [2024-11-09 05:46:38,203 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 60 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:46:38,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-11-09 05:46:38,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2024-11-09 05:46:38,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 41 states have internal predecessors, (47), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-09 05:46:38,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 70 transitions. [2024-11-09 05:46:38,254 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 70 transitions. Word has length 21 [2024-11-09 05:46:38,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:46:38,254 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 70 transitions. [2024-11-09 05:46:38,254 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 05:46:38,255 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2024-11-09 05:46:38,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-09 05:46:38,259 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:46:38,259 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:46:38,260 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 05:46:38,260 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:46:38,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:46:38,261 INFO L85 PathProgramCache]: Analyzing trace with hash -155218421, now seen corresponding path program 1 times [2024-11-09 05:46:38,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:46:38,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041613249] [2024-11-09 05:46:38,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:46:38,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:46:38,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:46:38,407 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 05:46:38,408 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:46:38,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041613249] [2024-11-09 05:46:38,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2041613249] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:46:38,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:46:38,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:46:38,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803147936] [2024-11-09 05:46:38,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:46:38,410 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:46:38,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:46:38,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:46:38,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:46:38,412 INFO L87 Difference]: Start difference. First operand 54 states and 70 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 05:46:38,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:46:38,470 INFO L93 Difference]: Finished difference Result 80 states and 102 transitions. [2024-11-09 05:46:38,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:46:38,472 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2024-11-09 05:46:38,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:46:38,473 INFO L225 Difference]: With dead ends: 80 [2024-11-09 05:46:38,474 INFO L226 Difference]: Without dead ends: 46 [2024-11-09 05:46:38,474 INFO L431 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 [2024-11-09 05:46:38,476 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 14 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 05:46:38,477 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 76 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 05:46:38,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2024-11-09 05:46:38,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2024-11-09 05:46:38,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 30 states have (on average 1.3666666666666667) internal successors, (41), 36 states have internal predecessors, (41), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-09 05:46:38,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 59 transitions. [2024-11-09 05:46:38,493 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 59 transitions. Word has length 22 [2024-11-09 05:46:38,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:46:38,493 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 59 transitions. [2024-11-09 05:46:38,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 05:46:38,496 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 59 transitions. [2024-11-09 05:46:38,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 05:46:38,497 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:46:38,498 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 05:46:38,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 05:46:38,498 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:46:38,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:46:38,499 INFO L85 PathProgramCache]: Analyzing trace with hash 235952721, now seen corresponding path program 1 times [2024-11-09 05:46:38,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:46:38,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [366737676] [2024-11-09 05:46:38,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:46:38,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:46:38,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:46:38,677 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 05:46:38,677 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:46:38,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [366737676] [2024-11-09 05:46:38,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [366737676] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:46:38,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:46:38,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 05:46:38,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15757341] [2024-11-09 05:46:38,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:46:38,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 05:46:38,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:46:38,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 05:46:38,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 05:46:38,680 INFO L87 Difference]: Start difference. First operand 46 states and 59 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 05:46:38,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:46:38,789 INFO L93 Difference]: Finished difference Result 134 states and 174 transitions. [2024-11-09 05:46:38,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 05:46:38,790 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 25 [2024-11-09 05:46:38,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:46:38,792 INFO L225 Difference]: With dead ends: 134 [2024-11-09 05:46:38,792 INFO L226 Difference]: Without dead ends: 90 [2024-11-09 05:46:38,793 INFO L431 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 [2024-11-09 05:46:38,794 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 51 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:46:38,795 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 101 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:46:38,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2024-11-09 05:46:38,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 87. [2024-11-09 05:46:38,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 56 states have (on average 1.375) internal successors, (77), 67 states have internal predecessors, (77), 18 states have call successors, (18), 12 states have call predecessors, (18), 12 states have return successors, (18), 13 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-09 05:46:38,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 113 transitions. [2024-11-09 05:46:38,814 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 113 transitions. Word has length 25 [2024-11-09 05:46:38,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:46:38,815 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 113 transitions. [2024-11-09 05:46:38,815 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 05:46:38,815 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 113 transitions. [2024-11-09 05:46:38,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-09 05:46:38,817 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 05:46:38,817 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-09 05:46:38,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 05:46:38,817 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 05:46:38,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 05:46:38,818 INFO L85 PathProgramCache]: Analyzing trace with hash -1150364338, now seen corresponding path program 1 times [2024-11-09 05:46:38,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 05:46:38,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13951043] [2024-11-09 05:46:38,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 05:46:38,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 05:46:38,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 05:46:38,995 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 05:46:38,996 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 05:46:38,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13951043] [2024-11-09 05:46:38,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [13951043] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 05:46:38,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 05:46:38,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-09 05:46:38,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036735102] [2024-11-09 05:46:38,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 05:46:38,997 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 05:46:38,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 05:46:38,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 05:46:38,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 05:46:38,998 INFO L87 Difference]: Start difference. First operand 87 states and 113 transitions. Second operand has 6 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 05:46:39,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 05:46:39,220 INFO L93 Difference]: Finished difference Result 156 states and 203 transitions. [2024-11-09 05:46:39,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 05:46:39,221 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), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2024-11-09 05:46:39,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 05:46:39,222 INFO L225 Difference]: With dead ends: 156 [2024-11-09 05:46:39,222 INFO L226 Difference]: Without dead ends: 0 [2024-11-09 05:46:39,223 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-09 05:46:39,225 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 24 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 05:46:39,225 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 103 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 05:46:39,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-09 05:46:39,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-09 05:46:39,227 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) [2024-11-09 05:46:39,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 05:46:39,227 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2024-11-09 05:46:39,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 05:46:39,228 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 05:46:39,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 05:46:39,228 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-09 05:46:39,228 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 05:46:39,231 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 05:46:39,232 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 05:46:39,235 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-09 05:46:39,238 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-09 05:46:39,616 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 05:46:39,675 WARN L162 FloydHoareUtils]: Requires clause for timeShift contained old-variable. Original clause: (and (= ~pumpRunning~0 0) (= |old(~pumpRunning~0)| 0)) Eliminated clause: (= ~pumpRunning~0 0) [2024-11-09 05:46:39,684 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 05:46:39 BoogieIcfgContainer [2024-11-09 05:46:39,684 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 05:46:39,685 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 05:46:39,685 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 05:46:39,685 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 05:46:39,688 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:46:37" (3/4) ... [2024-11-09 05:46:39,691 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 05:46:39,696 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2024-11-09 05:46:39,696 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2024-11-09 05:46:39,696 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2024-11-09 05:46:39,697 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2024-11-09 05:46:39,698 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2024-11-09 05:46:39,698 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2024-11-09 05:46:39,698 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2024-11-09 05:46:39,709 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 39 nodes and edges [2024-11-09 05:46:39,710 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-09 05:46:39,711 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-09 05:46:39,711 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 05:46:39,711 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 05:46:39,832 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cadf0aa-a215-469a-98a2-cf57d8018689/bin/utaipan-verify-YMUCfTKeje/witness.graphml [2024-11-09 05:46:39,832 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cadf0aa-a215-469a-98a2-cf57d8018689/bin/utaipan-verify-YMUCfTKeje/witness.yml [2024-11-09 05:46:39,833 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 05:46:39,833 INFO L158 Benchmark]: Toolchain (without parser) took 3601.85ms. Allocated memory was 148.9MB in the beginning and 197.1MB in the end (delta: 48.2MB). Free memory was 108.0MB in the beginning and 129.6MB in the end (delta: -21.7MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2024-11-09 05:46:39,834 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 148.9MB. Free memory is still 120.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:46:39,834 INFO L158 Benchmark]: CACSL2BoogieTranslator took 634.98ms. Allocated memory is still 148.9MB. Free memory was 107.7MB in the beginning and 86.2MB in the end (delta: 21.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-09 05:46:39,834 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.15ms. Allocated memory is still 148.9MB. Free memory was 86.2MB in the beginning and 84.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:46:39,835 INFO L158 Benchmark]: Boogie Preprocessor took 29.18ms. Allocated memory is still 148.9MB. Free memory was 84.0MB in the beginning and 82.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 05:46:39,835 INFO L158 Benchmark]: RCFGBuilder took 759.46ms. Allocated memory is still 148.9MB. Free memory was 82.3MB in the beginning and 57.2MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-09 05:46:39,835 INFO L158 Benchmark]: TraceAbstraction took 1967.72ms. Allocated memory was 148.9MB in the beginning and 197.1MB in the end (delta: 48.2MB). Free memory was 56.6MB in the beginning and 137.0MB in the end (delta: -80.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 05:46:39,836 INFO L158 Benchmark]: Witness Printer took 147.78ms. Allocated memory is still 197.1MB. Free memory was 137.0MB in the beginning and 129.6MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-09 05:46:39,838 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 148.9MB. Free memory is still 120.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 634.98ms. Allocated memory is still 148.9MB. Free memory was 107.7MB in the beginning and 86.2MB in the end (delta: 21.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.15ms. Allocated memory is still 148.9MB. Free memory was 86.2MB in the beginning and 84.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.18ms. Allocated memory is still 148.9MB. Free memory was 84.0MB in the beginning and 82.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 759.46ms. Allocated memory is still 148.9MB. Free memory was 82.3MB in the beginning and 57.2MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1967.72ms. Allocated memory was 148.9MB in the beginning and 197.1MB in the end (delta: 48.2MB). Free memory was 56.6MB in the beginning and 137.0MB in the end (delta: -80.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 147.78ms. Allocated memory is still 197.1MB. Free memory was 137.0MB in the beginning and 129.6MB in the end (delta: 7.4MB). 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,"Environment.i","") [49] - GenericResultAtLocation [Line: 145]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [145] - GenericResultAtLocation [Line: 196]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [196] - GenericResultAtLocation [Line: 299]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [299] - GenericResultAtLocation [Line: 665]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [665] - GenericResultAtLocation [Line: 700]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [700] - GenericResultAtLocation [Line: 709]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [709] - GenericResultAtLocation [Line: 909]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [909] * 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: 705]: 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 8 procedures, 59 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 94 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 89 mSDsluCounter, 340 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 148 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 136 IncrementalHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 192 mSDtfsCounter, 136 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=87occurred in iteration=3, InterpolantAutomatonStates: 14, 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, 4 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 96 NumberOfCodeBlocks, 96 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 92 ConstructedInterpolants, 0 QuantifiedInterpolants, 150 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 8/8 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: 919]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: ((pumpRunning == 0) && (splverifierCounter == 0)) - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: 0 - ProcedureContractResult [Line: 803]: Procedure Contract for deactivatePump Derived contract for procedure deactivatePump. Requires: 0 Ensures: (0 && ((((((waterLevel == \old(waterLevel)) && (methaneLevelCritical == \old(methaneLevelCritical))) && (switchedOnBeforeTS == \old(switchedOnBeforeTS))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head))) && (systemActive == \old(systemActive)))) - ProcedureContractResult [Line: 744]: Procedure Contract for processEnvironment__wrappee__base Derived contract for procedure processEnvironment__wrappee__base. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && (((((((waterLevel == \old(waterLevel)) && (methaneLevelCritical == \old(methaneLevelCritical))) && (switchedOnBeforeTS == \old(switchedOnBeforeTS))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive)))) - ProcedureContractResult [Line: 83]: Procedure Contract for changeMethaneLevel Derived contract for procedure changeMethaneLevel. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && ((((((waterLevel == \old(waterLevel)) && (switchedOnBeforeTS == \old(switchedOnBeforeTS))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive)))) - ProcedureContractResult [Line: 717]: Procedure Contract for timeShift Derived contract for procedure timeShift. Requires: (pumpRunning == 0) Ensures: (((pumpRunning == 0) && (\old(pumpRunning) == 0)) && ((((methaneLevelCritical == \old(methaneLevelCritical)) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head))) && (systemActive == \old(systemActive)))) - ProcedureContractResult [Line: 199]: Procedure Contract for cleanup Derived contract for procedure cleanup. Requires: 0 Ensures: (0 && ((((methaneLevelCritical == \old(methaneLevelCritical)) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head))) && (systemActive == \old(systemActive)))) - ProcedureContractResult [Line: 71]: Procedure Contract for waterRise Derived contract for procedure waterRise. Requires: (pumpRunning == 0) Ensures: ((pumpRunning == 0) && ((((((methaneLevelCritical == \old(methaneLevelCritical)) && (switchedOnBeforeTS == \old(switchedOnBeforeTS))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive)))) - ProcedureContractResult [Line: 822]: Procedure Contract for isPumpRunning Derived contract for procedure isPumpRunning. Requires: (pumpRunning == 0) Ensures: (((pumpRunning == 0) && (\result == 0)) && (((((((waterLevel == \old(waterLevel)) && (methaneLevelCritical == \old(methaneLevelCritical))) && (switchedOnBeforeTS == \old(switchedOnBeforeTS))) && (cleanupTimeShifts == \old(cleanupTimeShifts))) && (head == \old(head))) && (pumpRunning == \old(pumpRunning))) && (systemActive == \old(systemActive)))) RESULT: Ultimate proved your program to be correct! [2024-11-09 05:46:39,874 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9cadf0aa-a215-469a-98a2-cf57d8018689/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE