./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product31.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f78fcdb-8814-4ca6-966a-1b67392e5065/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f78fcdb-8814-4ca6-966a-1b67392e5065/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f78fcdb-8814-4ca6-966a-1b67392e5065/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f78fcdb-8814-4ca6-966a-1b67392e5065/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product31.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f78fcdb-8814-4ca6-966a-1b67392e5065/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f78fcdb-8814-4ca6-966a-1b67392e5065/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 929dace20230ddc06ca4ae48df9d26fbf35d81f20edb15688ea1cc72e971ff98 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:40:12,240 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:40:12,370 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f78fcdb-8814-4ca6-966a-1b67392e5065/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 20:40:12,376 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:40:12,377 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:40:12,413 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:40:12,413 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:40:12,414 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:40:12,415 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:40:12,420 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:40:12,421 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:40:12,422 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:40:12,423 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:40:12,425 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 20:40:12,425 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:40:12,426 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:40:12,426 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 20:40:12,427 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 20:40:12,427 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:40:12,428 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 20:40:12,428 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 20:40:12,429 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 20:40:12,430 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:40:12,431 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:40:12,431 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:40:12,432 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:40:12,432 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:40:12,433 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:40:12,433 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:40:12,434 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:40:12,435 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:40:12,435 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:40:12,436 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:40:12,436 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:40:12,436 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:40:12,437 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:40:12,437 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:40:12,437 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:40:12,438 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:40:12,439 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:40:12,439 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:40:12,439 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 20:40:12,440 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:40:12,440 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:40:12,441 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:40:12,441 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:40:12,441 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:40:12,442 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_9f78fcdb-8814-4ca6-966a-1b67392e5065/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f78fcdb-8814-4ca6-966a-1b67392e5065/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 929dace20230ddc06ca4ae48df9d26fbf35d81f20edb15688ea1cc72e971ff98 [2023-11-23 20:40:12,801 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:40:12,823 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:40:12,826 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:40:12,827 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:40:12,828 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:40:12,829 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f78fcdb-8814-4ca6-966a-1b67392e5065/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/product-lines/minepump_spec5_product31.cil.c [2023-11-23 20:40:15,891 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:40:16,208 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:40:16,209 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f78fcdb-8814-4ca6-966a-1b67392e5065/sv-benchmarks/c/product-lines/minepump_spec5_product31.cil.c [2023-11-23 20:40:16,236 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f78fcdb-8814-4ca6-966a-1b67392e5065/bin/utaipan-verify-mE87zJ7Ire/data/a682fba34/9a0d2432fdce441e94531cfb82bec3ad/FLAGd0db8c4a4 [2023-11-23 20:40:16,253 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f78fcdb-8814-4ca6-966a-1b67392e5065/bin/utaipan-verify-mE87zJ7Ire/data/a682fba34/9a0d2432fdce441e94531cfb82bec3ad [2023-11-23 20:40:16,256 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:40:16,257 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:40:16,259 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:40:16,259 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:40:16,265 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:40:16,266 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:40:16" (1/1) ... [2023-11-23 20:40:16,268 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@677ca15a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:40:16, skipping insertion in model container [2023-11-23 20:40:16,268 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:40:16" (1/1) ... [2023-11-23 20:40:16,354 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:40:16,535 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_9f78fcdb-8814-4ca6-966a-1b67392e5065/sv-benchmarks/c/product-lines/minepump_spec5_product31.cil.c[1605,1618] [2023-11-23 20:40:16,730 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:40:16,745 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:40:16,757 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2023-11-23 20:40:16,758 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [58] [2023-11-23 20:40:16,759 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [130] [2023-11-23 20:40:16,759 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [353] [2023-11-23 20:40:16,759 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [443] [2023-11-23 20:40:16,759 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [544] [2023-11-23 20:40:16,760 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [910] [2023-11-23 20:40:16,760 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [959] [2023-11-23 20:40:16,765 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_9f78fcdb-8814-4ca6-966a-1b67392e5065/sv-benchmarks/c/product-lines/minepump_spec5_product31.cil.c[1605,1618] [2023-11-23 20:40:16,823 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:40:16,844 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:40:16,845 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:40:16 WrapperNode [2023-11-23 20:40:16,846 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:40:16,847 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:40:16,847 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:40:16,847 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:40:16,855 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:40:16" (1/1) ... [2023-11-23 20:40:16,882 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:40:16" (1/1) ... [2023-11-23 20:40:16,927 INFO L138 Inliner]: procedures = 57, calls = 104, calls flagged for inlining = 23, calls inlined = 19, statements flattened = 200 [2023-11-23 20:40:16,929 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:40:16,930 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:40:16,930 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:40:16,931 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:40:16,939 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:40:16" (1/1) ... [2023-11-23 20:40:16,939 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:40:16" (1/1) ... [2023-11-23 20:40:16,942 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:40:16" (1/1) ... [2023-11-23 20:40:16,942 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:40:16" (1/1) ... [2023-11-23 20:40:16,949 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:40:16" (1/1) ... [2023-11-23 20:40:16,953 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:40:16" (1/1) ... [2023-11-23 20:40:16,956 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:40:16" (1/1) ... [2023-11-23 20:40:16,957 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:40:16" (1/1) ... [2023-11-23 20:40:16,960 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:40:16,962 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:40:16,962 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:40:16,962 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:40:16,963 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:40:16" (1/1) ... [2023-11-23 20:40:16,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:40:16,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f78fcdb-8814-4ca6-966a-1b67392e5065/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:40:17,016 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f78fcdb-8814-4ca6-966a-1b67392e5065/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:40:17,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f78fcdb-8814-4ca6-966a-1b67392e5065/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:40:17,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:40:17,058 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-11-23 20:40:17,059 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-11-23 20:40:17,059 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-23 20:40:17,059 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-23 20:40:17,060 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-23 20:40:17,060 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-23 20:40:17,061 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-23 20:40:17,061 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-23 20:40:17,062 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-11-23 20:40:17,062 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-11-23 20:40:17,062 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2023-11-23 20:40:17,062 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2023-11-23 20:40:17,062 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-11-23 20:40:17,063 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-11-23 20:40:17,064 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-11-23 20:40:17,064 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-11-23 20:40:17,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:40:17,066 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-23 20:40:17,066 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-23 20:40:17,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:40:17,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:40:17,148 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:40:17,150 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:40:17,445 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:40:17,573 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:40:17,573 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 20:40:17,583 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:40:17 BoogieIcfgContainer [2023-11-23 20:40:17,583 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:40:17,586 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:40:17,586 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:40:17,590 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:40:17,590 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:40:16" (1/3) ... [2023-11-23 20:40:17,591 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36c9417a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:40:17, skipping insertion in model container [2023-11-23 20:40:17,591 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:40:16" (2/3) ... [2023-11-23 20:40:17,591 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36c9417a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:40:17, skipping insertion in model container [2023-11-23 20:40:17,592 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:40:17" (3/3) ... [2023-11-23 20:40:17,593 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product31.cil.c [2023-11-23 20:40:17,620 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:40:17,620 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 20:40:17,687 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:40:17,694 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;@28eade96, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:40:17,694 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 20:40:17,699 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 44 states have (on average 1.4318181818181819) internal successors, (63), 53 states have internal predecessors, (63), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 12 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-23 20:40:17,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:40:17,710 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:40:17,711 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:40:17,711 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:40:17,717 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:40:17,717 INFO L85 PathProgramCache]: Analyzing trace with hash -1467682728, now seen corresponding path program 1 times [2023-11-23 20:40:17,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:40:17,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988899121] [2023-11-23 20:40:17,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:40:17,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:40:17,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:40:17,962 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:40:17,962 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:40:17,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988899121] [2023-11-23 20:40:17,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988899121] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:40:17,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:40:17,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 20:40:17,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888269768] [2023-11-23 20:40:17,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:40:17,970 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 20:40:17,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:40:18,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 20:40:18,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 20:40:18,003 INFO L87 Difference]: Start difference. First operand has 71 states, 44 states have (on average 1.4318181818181819) internal successors, (63), 53 states have internal predecessors, (63), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 12 states have call predecessors, (16), 16 states have call successors, (16) 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) [2023-11-23 20:40:18,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:40:18,091 INFO L93 Difference]: Finished difference Result 140 states and 191 transitions. [2023-11-23 20:40:18,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 20:40:18,094 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 [2023-11-23 20:40:18,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:40:18,104 INFO L225 Difference]: With dead ends: 140 [2023-11-23 20:40:18,107 INFO L226 Difference]: Without dead ends: 66 [2023-11-23 20:40:18,114 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 20:40:18,121 INFO L413 NwaCegarLoop]: 76 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, 76 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 [2023-11-23 20:40:18,122 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 76 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 20:40:18,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2023-11-23 20:40:18,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2023-11-23 20:40:18,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 41 states have (on average 1.3414634146341464) internal successors, (55), 49 states have internal predecessors, (55), 16 states have call successors, (16), 9 states have call predecessors, (16), 8 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-23 20:40:18,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 86 transitions. [2023-11-23 20:40:18,176 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 86 transitions. Word has length 21 [2023-11-23 20:40:18,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:40:18,177 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 86 transitions. [2023-11-23 20:40:18,177 INFO L496 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) [2023-11-23 20:40:18,177 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 86 transitions. [2023-11-23 20:40:18,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:40:18,180 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:40:18,181 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:40:18,181 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 20:40:18,181 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:40:18,182 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:40:18,182 INFO L85 PathProgramCache]: Analyzing trace with hash -926511119, now seen corresponding path program 1 times [2023-11-23 20:40:18,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:40:18,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431208566] [2023-11-23 20:40:18,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:40:18,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:40:18,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:40:18,296 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:40:18,296 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:40:18,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431208566] [2023-11-23 20:40:18,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431208566] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:40:18,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:40:18,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 20:40:18,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073695172] [2023-11-23 20:40:18,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:40:18,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 20:40:18,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:40:18,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 20:40:18,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:40:18,301 INFO L87 Difference]: Start difference. First operand 66 states and 86 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) [2023-11-23 20:40:18,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:40:18,358 INFO L93 Difference]: Finished difference Result 104 states and 134 transitions. [2023-11-23 20:40:18,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 20:40:18,359 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 [2023-11-23 20:40:18,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:40:18,361 INFO L225 Difference]: With dead ends: 104 [2023-11-23 20:40:18,361 INFO L226 Difference]: Without dead ends: 58 [2023-11-23 20:40:18,362 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:40:18,364 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 14 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 107 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 [2023-11-23 20:40:18,365 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 107 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 20:40:18,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2023-11-23 20:40:18,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2023-11-23 20:40:18,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 36 states have (on average 1.3611111111111112) internal successors, (49), 44 states have internal predecessors, (49), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-23 20:40:18,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 75 transitions. [2023-11-23 20:40:18,377 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 75 transitions. Word has length 22 [2023-11-23 20:40:18,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:40:18,377 INFO L495 AbstractCegarLoop]: Abstraction has 58 states and 75 transitions. [2023-11-23 20:40:18,377 INFO L496 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) [2023-11-23 20:40:18,378 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 75 transitions. [2023-11-23 20:40:18,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:40:18,379 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:40:18,380 INFO L195 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] [2023-11-23 20:40:18,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 20:40:18,380 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:40:18,381 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:40:18,381 INFO L85 PathProgramCache]: Analyzing trace with hash 1539090047, now seen corresponding path program 1 times [2023-11-23 20:40:18,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:40:18,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168937054] [2023-11-23 20:40:18,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:40:18,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:40:18,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:40:18,493 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:40:18,493 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:40:18,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168937054] [2023-11-23 20:40:18,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168937054] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:40:18,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:40:18,500 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 20:40:18,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421777260] [2023-11-23 20:40:18,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:40:18,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 20:40:18,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:40:18,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 20:40:18,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:40:18,502 INFO L87 Difference]: Start difference. First operand 58 states and 75 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) [2023-11-23 20:40:18,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:40:18,588 INFO L93 Difference]: Finished difference Result 170 states and 222 transitions. [2023-11-23 20:40:18,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 20:40:18,591 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 [2023-11-23 20:40:18,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:40:18,594 INFO L225 Difference]: With dead ends: 170 [2023-11-23 20:40:18,597 INFO L226 Difference]: Without dead ends: 114 [2023-11-23 20:40:18,598 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:40:18,601 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 60 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 20:40:18,604 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 133 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 20:40:18,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2023-11-23 20:40:18,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 111. [2023-11-23 20:40:18,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 68 states have (on average 1.3676470588235294) internal successors, (93), 83 states have internal predecessors, (93), 26 states have call successors, (26), 16 states have call predecessors, (26), 16 states have return successors, (26), 17 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-23 20:40:18,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 145 transitions. [2023-11-23 20:40:18,635 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 145 transitions. Word has length 25 [2023-11-23 20:40:18,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:40:18,636 INFO L495 AbstractCegarLoop]: Abstraction has 111 states and 145 transitions. [2023-11-23 20:40:18,636 INFO L496 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) [2023-11-23 20:40:18,636 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 145 transitions. [2023-11-23 20:40:18,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:40:18,638 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:40:18,639 INFO L195 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] [2023-11-23 20:40:18,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-23 20:40:18,639 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:40:18,640 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:40:18,640 INFO L85 PathProgramCache]: Analyzing trace with hash 329576765, now seen corresponding path program 1 times [2023-11-23 20:40:18,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:40:18,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947739551] [2023-11-23 20:40:18,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:40:18,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:40:18,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:40:18,848 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:40:18,848 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 20:40:18,849 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947739551] [2023-11-23 20:40:18,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947739551] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:40:18,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:40:18,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-23 20:40:18,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280239346] [2023-11-23 20:40:18,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:40:18,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 20:40:18,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 20:40:18,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 20:40:18,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-23 20:40:18,852 INFO L87 Difference]: Start difference. First operand 111 states and 145 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) [2023-11-23 20:40:19,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:40:19,016 INFO L93 Difference]: Finished difference Result 192 states and 251 transitions. [2023-11-23 20:40:19,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 20:40:19,017 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 [2023-11-23 20:40:19,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:40:19,018 INFO L225 Difference]: With dead ends: 192 [2023-11-23 20:40:19,018 INFO L226 Difference]: Without dead ends: 0 [2023-11-23 20:40:19,020 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-11-23 20:40:19,021 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 30 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 20:40:19,022 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 121 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 20:40:19,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-23 20:40:19,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-23 20:40:19,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 20:40:19,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-23 20:40:19,023 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2023-11-23 20:40:19,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:40:19,024 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-23 20:40:19,024 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), 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) [2023-11-23 20:40:19,024 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-23 20:40:19,024 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 20:40:19,027 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 20:40:19,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-23 20:40:19,030 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-23 20:40:19,232 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 255 262) no Hoare annotation was computed. [2023-11-23 20:40:19,233 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 255 262) the Hoare annotation is: true [2023-11-23 20:40:19,233 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 171 177) no Hoare annotation was computed. [2023-11-23 20:40:19,233 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 171 177) the Hoare annotation is: true [2023-11-23 20:40:19,233 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 381 392) the Hoare annotation is: true [2023-11-23 20:40:19,233 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 381 392) no Hoare annotation was computed. [2023-11-23 20:40:19,234 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 445 474) no Hoare annotation was computed. [2023-11-23 20:40:19,234 INFO L899 garLoopResultBuilder]: For program point L470(lines 445 474) no Hoare annotation was computed. [2023-11-23 20:40:19,235 INFO L899 garLoopResultBuilder]: For program point L466(line 466) no Hoare annotation was computed. [2023-11-23 20:40:19,235 INFO L899 garLoopResultBuilder]: For program point L459(lines 459 463) no Hoare annotation was computed. [2023-11-23 20:40:19,235 INFO L902 garLoopResultBuilder]: At program point L459-1(lines 459 463) the Hoare annotation is: true [2023-11-23 20:40:19,235 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 445 474) the Hoare annotation is: true [2023-11-23 20:40:19,237 INFO L902 garLoopResultBuilder]: At program point L455-2(lines 455 469) the Hoare annotation is: true [2023-11-23 20:40:19,237 INFO L902 garLoopResultBuilder]: At program point L451(line 451) the Hoare annotation is: true [2023-11-23 20:40:19,238 INFO L899 garLoopResultBuilder]: For program point L451-1(line 451) no Hoare annotation was computed. [2023-11-23 20:40:19,239 INFO L899 garLoopResultBuilder]: For program point L151-2(lines 147 169) no Hoare annotation was computed. [2023-11-23 20:40:19,239 INFO L899 garLoopResultBuilder]: For program point L213(lines 213 221) no Hoare annotation was computed. [2023-11-23 20:40:19,239 INFO L899 garLoopResultBuilder]: For program point L209(lines 209 226) no Hoare annotation was computed. [2023-11-23 20:40:19,240 INFO L895 garLoopResultBuilder]: At program point L940(line 940) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-11-23 20:40:19,240 INFO L899 garLoopResultBuilder]: For program point L940-1(line 940) no Hoare annotation was computed. [2023-11-23 20:40:19,240 INFO L895 garLoopResultBuilder]: At program point L925(line 925) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-11-23 20:40:19,240 INFO L899 garLoopResultBuilder]: For program point L925-1(line 925) no Hoare annotation was computed. [2023-11-23 20:40:19,240 INFO L895 garLoopResultBuilder]: At program point L219(line 219) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-11-23 20:40:19,240 INFO L895 garLoopResultBuilder]: At program point L215(line 215) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-11-23 20:40:19,241 INFO L899 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2023-11-23 20:40:19,241 INFO L895 garLoopResultBuilder]: At program point L211(line 211) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-11-23 20:40:19,241 INFO L899 garLoopResultBuilder]: For program point L211-1(line 211) no Hoare annotation was computed. [2023-11-23 20:40:19,241 INFO L899 garLoopResultBuilder]: For program point L942(lines 942 952) no Hoare annotation was computed. [2023-11-23 20:40:19,242 INFO L899 garLoopResultBuilder]: For program point L938(lines 938 955) no Hoare annotation was computed. [2023-11-23 20:40:19,242 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 144 170) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-11-23 20:40:19,242 INFO L899 garLoopResultBuilder]: For program point L938-1(lines 930 958) no Hoare annotation was computed. [2023-11-23 20:40:19,242 INFO L895 garLoopResultBuilder]: At program point L224(line 224) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-11-23 20:40:19,242 INFO L899 garLoopResultBuilder]: For program point L224-1(lines 205 229) no Hoare annotation was computed. [2023-11-23 20:40:19,242 INFO L899 garLoopResultBuilder]: For program point L158-1(lines 158 164) no Hoare annotation was computed. [2023-11-23 20:40:19,243 INFO L899 garLoopResultBuilder]: For program point L943(lines 943 949) no Hoare annotation was computed. [2023-11-23 20:40:19,243 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 144 170) no Hoare annotation was computed. [2023-11-23 20:40:19,243 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2023-11-23 20:40:19,243 INFO L895 garLoopResultBuilder]: At program point L122(lines 73 123) the Hoare annotation is: false [2023-11-23 20:40:19,248 INFO L899 garLoopResultBuilder]: For program point L531(lines 531 538) no Hoare annotation was computed. [2023-11-23 20:40:19,249 INFO L899 garLoopResultBuilder]: For program point L531-2(lines 531 538) no Hoare annotation was computed. [2023-11-23 20:40:19,249 INFO L899 garLoopResultBuilder]: For program point L110(lines 110 116) no Hoare annotation was computed. [2023-11-23 20:40:19,250 INFO L895 garLoopResultBuilder]: At program point L110-2(lines 104 117) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-23 20:40:19,252 INFO L899 garLoopResultBuilder]: For program point L94(lines 94 100) no Hoare annotation was computed. [2023-11-23 20:40:19,253 INFO L899 garLoopResultBuilder]: For program point L94-1(lines 94 100) no Hoare annotation was computed. [2023-11-23 20:40:19,253 INFO L895 garLoopResultBuilder]: At program point L119(lines 74 121) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-23 20:40:19,254 INFO L895 garLoopResultBuilder]: At program point L86(line 86) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-23 20:40:19,255 INFO L899 garLoopResultBuilder]: For program point L342(lines 342 348) no Hoare annotation was computed. [2023-11-23 20:40:19,255 INFO L899 garLoopResultBuilder]: For program point L342-1(lines 342 348) no Hoare annotation was computed. [2023-11-23 20:40:19,256 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-23 20:40:19,256 INFO L899 garLoopResultBuilder]: For program point L75(lines 74 121) no Hoare annotation was computed. [2023-11-23 20:40:19,256 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-23 20:40:19,258 INFO L899 garLoopResultBuilder]: For program point L104(lines 104 117) no Hoare annotation was computed. [2023-11-23 20:40:19,258 INFO L895 garLoopResultBuilder]: At program point L96(line 96) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-23 20:40:19,258 INFO L899 garLoopResultBuilder]: For program point L125(lines 64 129) no Hoare annotation was computed. [2023-11-23 20:40:19,259 INFO L895 garLoopResultBuilder]: At program point L344(line 344) the Hoare annotation is: false [2023-11-23 20:40:19,259 INFO L899 garLoopResultBuilder]: For program point L84(lines 84 90) no Hoare annotation was computed. [2023-11-23 20:40:19,259 INFO L899 garLoopResultBuilder]: For program point L84-1(lines 84 90) no Hoare annotation was computed. [2023-11-23 20:40:19,259 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 369 380) no Hoare annotation was computed. [2023-11-23 20:40:19,260 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 369 380) the Hoare annotation is: true [2023-11-23 20:40:19,260 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 179 203) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-11-23 20:40:19,260 INFO L895 garLoopResultBuilder]: At program point L193(line 193) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-11-23 20:40:19,260 INFO L895 garLoopResultBuilder]: At program point L189(line 189) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-11-23 20:40:19,260 INFO L899 garLoopResultBuilder]: For program point L187(lines 187 195) no Hoare annotation was computed. [2023-11-23 20:40:19,260 INFO L899 garLoopResultBuilder]: For program point L183(lines 183 200) no Hoare annotation was computed. [2023-11-23 20:40:19,260 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 179 203) no Hoare annotation was computed. [2023-11-23 20:40:19,261 INFO L895 garLoopResultBuilder]: At program point L198(line 198) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-11-23 20:40:19,261 INFO L899 garLoopResultBuilder]: For program point L198-1(lines 179 203) no Hoare annotation was computed. [2023-11-23 20:40:19,261 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 274 282) no Hoare annotation was computed. [2023-11-23 20:40:19,261 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 274 282) the Hoare annotation is: true [2023-11-23 20:40:19,262 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 263 273) no Hoare annotation was computed. [2023-11-23 20:40:19,263 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 263 273) the Hoare annotation is: true [2023-11-23 20:40:19,266 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-23 20:40:19,268 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 20:40:19,289 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:40:19 BoogieIcfgContainer [2023-11-23 20:40:19,289 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 20:40:19,290 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:40:19,290 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:40:19,290 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:40:19,291 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:40:17" (3/4) ... [2023-11-23 20:40:19,293 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 20:40:19,296 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2023-11-23 20:40:19,296 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2023-11-23 20:40:19,297 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-23 20:40:19,297 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-23 20:40:19,297 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-23 20:40:19,297 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-23 20:40:19,297 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2023-11-23 20:40:19,297 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2023-11-23 20:40:19,298 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2023-11-23 20:40:19,314 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 43 nodes and edges [2023-11-23 20:40:19,315 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-11-23 20:40:19,315 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-23 20:40:19,316 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 20:40:19,317 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 20:40:19,440 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f78fcdb-8814-4ca6-966a-1b67392e5065/bin/utaipan-verify-mE87zJ7Ire/witness.graphml [2023-11-23 20:40:19,441 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f78fcdb-8814-4ca6-966a-1b67392e5065/bin/utaipan-verify-mE87zJ7Ire/witness.yml [2023-11-23 20:40:19,441 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:40:19,441 INFO L158 Benchmark]: Toolchain (without parser) took 3184.23ms. Allocated memory is still 153.1MB. Free memory was 112.8MB in the beginning and 95.5MB in the end (delta: 17.3MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2023-11-23 20:40:19,442 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 115.3MB. Free memory is still 84.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:40:19,442 INFO L158 Benchmark]: CACSL2BoogieTranslator took 586.99ms. Allocated memory is still 153.1MB. Free memory was 112.4MB in the beginning and 109.8MB in the end (delta: 2.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 20:40:19,442 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.45ms. Allocated memory is still 153.1MB. Free memory was 109.8MB in the beginning and 107.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:40:19,443 INFO L158 Benchmark]: Boogie Preprocessor took 30.74ms. Allocated memory is still 153.1MB. Free memory was 107.3MB in the beginning and 105.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:40:19,443 INFO L158 Benchmark]: RCFGBuilder took 621.44ms. Allocated memory is still 153.1MB. Free memory was 105.8MB in the beginning and 81.3MB in the end (delta: 24.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-23 20:40:19,443 INFO L158 Benchmark]: TraceAbstraction took 1703.48ms. Allocated memory is still 153.1MB. Free memory was 80.6MB in the beginning and 103.7MB in the end (delta: -23.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:40:19,444 INFO L158 Benchmark]: Witness Printer took 150.82ms. Allocated memory is still 153.1MB. Free memory was 102.8MB in the beginning and 95.5MB in the end (delta: 7.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 20:40:19,446 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 is still 84.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 586.99ms. Allocated memory is still 153.1MB. Free memory was 112.4MB in the beginning and 109.8MB in the end (delta: 2.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.45ms. Allocated memory is still 153.1MB. Free memory was 109.8MB in the beginning and 107.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.74ms. Allocated memory is still 153.1MB. Free memory was 107.3MB in the beginning and 105.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 621.44ms. Allocated memory is still 153.1MB. Free memory was 105.8MB in the beginning and 81.3MB in the end (delta: 24.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1703.48ms. Allocated memory is still 153.1MB. Free memory was 80.6MB in the beginning and 103.7MB in the end (delta: -23.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 150.82ms. Allocated memory is still 153.1MB. Free memory was 102.8MB in the beginning and 95.5MB in the end (delta: 7.2MB). 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,"wsllib_check.i","") [49] - GenericResultAtLocation [Line: 58]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [58] - GenericResultAtLocation [Line: 130]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [130] - GenericResultAtLocation [Line: 353]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [353] - GenericResultAtLocation [Line: 443]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [443] - GenericResultAtLocation [Line: 544]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [544] - GenericResultAtLocation [Line: 910]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [910] - GenericResultAtLocation [Line: 959]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [959] * 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: 54]: 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, 71 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 109 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 104 mSDsluCounter, 437 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 192 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 143 IncrementalHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 245 mSDtfsCounter, 143 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=111occurred 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: 0.0s HoareAnnotationTime, 27 LocationsWithAnnotation, 189 PreInvPairs, 199 NumberOfFragments, 108 HoareAnnotationTreeSize, 189 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 27 FomulaSimplificationsInter, 256 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 96 NumberOfCodeBlocks, 96 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 92 ConstructedInterpolants, 0 QuantifiedInterpolants, 166 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: 74]: Loop Invariant Derived loop invariant: ((pumpRunning == 0) && (splverifierCounter == 0)) - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2023-11-23 20:40:19,502 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f78fcdb-8814-4ca6-966a-1b67392e5065/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE