./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product13.cil.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version 9bd2c7ff
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dd5fd6-d28d-4271-a0ef-8e128e1129d6/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dd5fd6-d28d-4271-a0ef-8e128e1129d6/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dd5fd6-d28d-4271-a0ef-8e128e1129d6/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dd5fd6-d28d-4271-a0ef-8e128e1129d6/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product13.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dd5fd6-d28d-4271-a0ef-8e128e1129d6/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dd5fd6-d28d-4271-a0ef-8e128e1129d6/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )
--witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0f0278c2773470a06f8089ff3a19b4fc8f9f02250351c943b77ab9e7410bf690
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 05:09:47,269 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-19 05:09:47,391 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dd5fd6-d28d-4271-a0ef-8e128e1129d6/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-32bit-Taipan_Default.epf
[2023-11-19 05:09:47,400 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 05:09:47,401 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 05:09:47,441 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 05:09:47,442 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 05:09:47,443 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 05:09:47,444 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 05:09:47,449 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 05:09:47,449 INFO L153 SettingsManager]: * User list type=DISABLED
[2023-11-19 05:09:47,450 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2023-11-19 05:09:47,451 INFO L153 SettingsManager]: * Explicit value domain=true
[2023-11-19 05:09:47,452 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain
[2023-11-19 05:09:47,453 INFO L153 SettingsManager]: * Octagon Domain=false
[2023-11-19 05:09:47,453 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain
[2023-11-19 05:09:47,453 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true
[2023-11-19 05:09:47,454 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true
[2023-11-19 05:09:47,454 INFO L153 SettingsManager]: * Interval Domain=false
[2023-11-19 05:09:47,455 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults:
[2023-11-19 05:09:47,455 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer
[2023-11-19 05:09:47,456 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC
[2023-11-19 05:09:47,457 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 05:09:47,457 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-19 05:09:47,458 INFO L153 SettingsManager]: * sizeof long=4
[2023-11-19 05:09:47,458 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-19 05:09:47,459 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-11-19 05:09:47,459 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-19 05:09:47,459 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-19 05:09:47,460 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 05:09:47,461 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-19 05:09:47,461 INFO L153 SettingsManager]: * sizeof long double=12
[2023-11-19 05:09:47,462 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-19 05:09:47,462 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-19 05:09:47,462 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 05:09:47,462 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-19 05:09:47,462 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 05:09:47,463 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 05:09:47,463 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 05:09:47,463 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-19 05:09:47,463 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN
[2023-11-19 05:09:47,464 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-19 05:09:47,464 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-19 05:09:47,464 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE
[2023-11-19 05:09:47,465 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 05:09:47,465 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_f7dd5fd6-d28d-4271-a0ef-8e128e1129d6/bin/utaipan-verify-t7M7D8N6sZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dd5fd6-d28d-4271-a0ef-8e128e1129d6/bin/utaipan-verify-t7M7D8N6sZ
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f0278c2773470a06f8089ff3a19b4fc8f9f02250351c943b77ab9e7410bf690
[2023-11-19 05:09:47,787 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 05:09:47,821 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 05:09:47,823 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 05:09:47,825 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-19 05:09:47,825 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-19 05:09:47,828 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dd5fd6-d28d-4271-a0ef-8e128e1129d6/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/product-lines/minepump_spec1_product13.cil.c
[2023-11-19 05:09:50,996 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-19 05:09:51,290 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-19 05:09:51,291 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dd5fd6-d28d-4271-a0ef-8e128e1129d6/sv-benchmarks/c/product-lines/minepump_spec1_product13.cil.c
[2023-11-19 05:09:51,305 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dd5fd6-d28d-4271-a0ef-8e128e1129d6/bin/utaipan-verify-t7M7D8N6sZ/data/f77ffde9b/ee445287478f4121993d6c693e1f44ae/FLAG80d886665
[2023-11-19 05:09:51,320 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dd5fd6-d28d-4271-a0ef-8e128e1129d6/bin/utaipan-verify-t7M7D8N6sZ/data/f77ffde9b/ee445287478f4121993d6c693e1f44ae
[2023-11-19 05:09:51,323 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 05:09:51,324 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 05:09:51,325 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 05:09:51,326 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 05:09:51,331 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 05:09:51,332 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:09:51" (1/1) ...
[2023-11-19 05:09:51,333 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1228206b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:51, skipping insertion in model container
[2023-11-19 05:09:51,334 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:09:51" (1/1) ...
[2023-11-19 05:09:51,380 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-19 05:09:51,711 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_f7dd5fd6-d28d-4271-a0ef-8e128e1129d6/sv-benchmarks/c/product-lines/minepump_spec1_product13.cil.c[12494,12507]
[2023-11-19 05:09:51,745 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 05:09:51,757 INFO L202 MainTranslator]: Completed pre-run
[2023-11-19 05:09:51,768 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49]
[2023-11-19 05:09:51,770 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [415]
[2023-11-19 05:09:51,770 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [501]
[2023-11-19 05:09:51,770 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [510]
[2023-11-19 05:09:51,771 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [548]
[2023-11-19 05:09:51,771 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [647]
[2023-11-19 05:09:51,771 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [674]
[2023-11-19 05:09:51,771 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [739]
[2023-11-19 05:09:51,813 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_f7dd5fd6-d28d-4271-a0ef-8e128e1129d6/sv-benchmarks/c/product-lines/minepump_spec1_product13.cil.c[12494,12507]
[2023-11-19 05:09:51,826 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-19 05:09:51,846 INFO L206 MainTranslator]: Completed translation
[2023-11-19 05:09:51,847 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:51 WrapperNode
[2023-11-19 05:09:51,847 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 05:09:51,848 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 05:09:51,848 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 05:09:51,848 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 05:09:51,856 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:51" (1/1) ...
[2023-11-19 05:09:51,871 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:51" (1/1) ...
[2023-11-19 05:09:51,907 INFO L138 Inliner]: procedures = 51, calls = 94, calls flagged for inlining = 18, calls inlined = 14, statements flattened = 139
[2023-11-19 05:09:51,909 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 05:09:51,910 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 05:09:51,910 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 05:09:51,910 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 05:09:51,919 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:51" (1/1) ...
[2023-11-19 05:09:51,919 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:51" (1/1) ...
[2023-11-19 05:09:51,922 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:51" (1/1) ...
[2023-11-19 05:09:51,922 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:51" (1/1) ...
[2023-11-19 05:09:51,927 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:51" (1/1) ...
[2023-11-19 05:09:51,932 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:51" (1/1) ...
[2023-11-19 05:09:51,934 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:51" (1/1) ...
[2023-11-19 05:09:51,935 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:51" (1/1) ...
[2023-11-19 05:09:51,938 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 05:09:51,939 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 05:09:51,939 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 05:09:51,939 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-19 05:09:51,940 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:51" (1/1) ...
[2023-11-19 05:09:51,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 05:09:51,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dd5fd6-d28d-4271-a0ef-8e128e1129d6/bin/utaipan-verify-t7M7D8N6sZ/z3
[2023-11-19 05:09:51,979 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dd5fd6-d28d-4271-a0ef-8e128e1129d6/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-19 05:09:51,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dd5fd6-d28d-4271-a0ef-8e128e1129d6/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-19 05:09:52,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 05:09:52,019 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift
[2023-11-19 05:09:52,019 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift
[2023-11-19 05:09:52,019 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup
[2023-11-19 05:09:52,019 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup
[2023-11-19 05:09:52,019 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2023-11-19 05:09:52,019 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2023-11-19 05:09:52,019 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise
[2023-11-19 05:09:52,020 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise
[2023-11-19 05:09:52,020 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery
[2023-11-19 05:09:52,020 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery
[2023-11-19 05:09:52,020 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2023-11-19 05:09:52,020 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2023-11-19 05:09:52,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-19 05:09:52,020 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2023-11-19 05:09:52,021 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2023-11-19 05:09:52,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 05:09:52,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 05:09:52,092 INFO L236 CfgBuilder]: Building ICFG
[2023-11-19 05:09:52,095 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 05:09:52,372 INFO L277 CfgBuilder]: Performing block encoding
[2023-11-19 05:09:52,462 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 05:09:52,470 INFO L302 CfgBuilder]: Removed 2 assume(true) statements.
[2023-11-19 05:09:52,475 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:09:52 BoogieIcfgContainer
[2023-11-19 05:09:52,475 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 05:09:52,478 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-19 05:09:52,478 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-19 05:09:52,482 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-19 05:09:52,482 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:09:51" (1/3) ...
[2023-11-19 05:09:52,483 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@311e6b03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:09:52, skipping insertion in model container
[2023-11-19 05:09:52,483 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:09:51" (2/3) ...
[2023-11-19 05:09:52,483 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@311e6b03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:09:52, skipping insertion in model container
[2023-11-19 05:09:52,483 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:09:52" (3/3) ...
[2023-11-19 05:09:52,488 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product13.cil.c
[2023-11-19 05:09:52,509 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-19 05:09:52,509 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-11-19 05:09:52,558 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-19 05:09:52,565 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;@33b93ab, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-11-19 05:09:52,566 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-11-19 05:09:52,570 INFO L276 IsEmpty]: Start isEmpty. Operand has 54 states, 34 states have (on average 1.3823529411764706) internal successors, (47), 40 states have internal predecessors, (47), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11)
[2023-11-19 05:09:52,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17
[2023-11-19 05:09:52,580 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 05:09:52,581 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 05:09:52,581 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 05:09:52,586 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 05:09:52,587 INFO L85 PathProgramCache]: Analyzing trace with hash 2011499818, now seen corresponding path program 1 times
[2023-11-19 05:09:52,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2023-11-19 05:09:52,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557666299]
[2023-11-19 05:09:52,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 05:09:52,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 05:09:52,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 05:09:52,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 05:09:52,885 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2023-11-19 05:09:52,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557666299]
[2023-11-19 05:09:52,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557666299] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 05:09:52,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 05:09:52,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 05:09:52,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742196839]
[2023-11-19 05:09:52,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 05:09:52,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-11-19 05:09:52,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2023-11-19 05:09:52,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-11-19 05:09:52,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-11-19 05:09:52,941 INFO L87 Difference]: Start difference. First operand has 54 states, 34 states have (on average 1.3823529411764706) internal successors, (47), 40 states have internal predecessors, (47), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-11-19 05:09:53,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 05:09:53,043 INFO L93 Difference]: Finished difference Result 106 states and 139 transitions.
[2023-11-19 05:09:53,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2023-11-19 05:09:53,045 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16
[2023-11-19 05:09:53,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 05:09:53,055 INFO L225 Difference]: With dead ends: 106
[2023-11-19 05:09:53,055 INFO L226 Difference]: Without dead ends: 49
[2023-11-19 05:09:53,060 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-11-19 05:09:53,065 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-19 05:09:53,066 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 51 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-19 05:09:53,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states.
[2023-11-19 05:09:53,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49.
[2023-11-19 05:09:53,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 36 states have internal predecessors, (39), 11 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10)
[2023-11-19 05:09:53,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 60 transitions.
[2023-11-19 05:09:53,119 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 60 transitions. Word has length 16
[2023-11-19 05:09:53,120 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 05:09:53,120 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 60 transitions.
[2023-11-19 05:09:53,120 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-11-19 05:09:53,121 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 60 transitions.
[2023-11-19 05:09:53,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2023-11-19 05:09:53,123 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 05:09:53,123 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 05:09:53,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-19 05:09:53,124 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 05:09:53,124 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 05:09:53,124 INFO L85 PathProgramCache]: Analyzing trace with hash -2076639434, now seen corresponding path program 1 times
[2023-11-19 05:09:53,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2023-11-19 05:09:53,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474153070]
[2023-11-19 05:09:53,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 05:09:53,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 05:09:53,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 05:09:53,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 05:09:53,220 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2023-11-19 05:09:53,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474153070]
[2023-11-19 05:09:53,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474153070] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 05:09:53,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 05:09:53,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 05:09:53,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204201033]
[2023-11-19 05:09:53,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 05:09:53,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 05:09:53,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2023-11-19 05:09:53,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 05:09:53,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 05:09:53,224 INFO L87 Difference]: Start difference. First operand 49 states and 60 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-11-19 05:09:53,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 05:09:53,268 INFO L93 Difference]: Finished difference Result 75 states and 91 transitions.
[2023-11-19 05:09:53,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-19 05:09:53,269 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17
[2023-11-19 05:09:53,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 05:09:53,270 INFO L225 Difference]: With dead ends: 75
[2023-11-19 05:09:53,270 INFO L226 Difference]: Without dead ends: 41
[2023-11-19 05:09:53,271 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 05:09:53,273 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 7 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 05:09:53,273 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 65 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 05:09:53,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states.
[2023-11-19 05:09:53,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41.
[2023-11-19 05:09:53,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 26 states have (on average 1.2692307692307692) internal successors, (33), 31 states have internal predecessors, (33), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8)
[2023-11-19 05:09:53,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 49 transitions.
[2023-11-19 05:09:53,282 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 49 transitions. Word has length 17
[2023-11-19 05:09:53,282 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 05:09:53,283 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 49 transitions.
[2023-11-19 05:09:53,283 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-11-19 05:09:53,283 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions.
[2023-11-19 05:09:53,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20
[2023-11-19 05:09:53,288 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 05:09:53,288 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 05:09:53,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-11-19 05:09:53,288 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 05:09:53,289 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 05:09:53,289 INFO L85 PathProgramCache]: Analyzing trace with hash -1688283446, now seen corresponding path program 1 times
[2023-11-19 05:09:53,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2023-11-19 05:09:53,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257152363]
[2023-11-19 05:09:53,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 05:09:53,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 05:09:53,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 05:09:53,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 05:09:53,442 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2023-11-19 05:09:53,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257152363]
[2023-11-19 05:09:53,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257152363] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 05:09:53,443 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 05:09:53,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-19 05:09:53,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645954697]
[2023-11-19 05:09:53,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 05:09:53,444 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 05:09:53,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2023-11-19 05:09:53,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 05:09:53,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-19 05:09:53,446 INFO L87 Difference]: Start difference. First operand 41 states and 49 transitions. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-11-19 05:09:53,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 05:09:53,536 INFO L93 Difference]: Finished difference Result 80 states and 97 transitions.
[2023-11-19 05:09:53,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-19 05:09:53,537 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19
[2023-11-19 05:09:53,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 05:09:53,539 INFO L225 Difference]: With dead ends: 80
[2023-11-19 05:09:53,539 INFO L226 Difference]: Without dead ends: 41
[2023-11-19 05:09:53,540 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-11-19 05:09:53,541 INFO L413 NwaCegarLoop]: 32 mSDtfsCounter, 45 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-19 05:09:53,542 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 45 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-19 05:09:53,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states.
[2023-11-19 05:09:53,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41.
[2023-11-19 05:09:53,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 31 states have internal predecessors, (32), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8)
[2023-11-19 05:09:53,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 48 transitions.
[2023-11-19 05:09:53,553 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 48 transitions. Word has length 19
[2023-11-19 05:09:53,554 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 05:09:53,554 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 48 transitions.
[2023-11-19 05:09:53,554 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-11-19 05:09:53,554 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 48 transitions.
[2023-11-19 05:09:53,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25
[2023-11-19 05:09:53,556 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 05:09:53,556 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 05:09:53,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-11-19 05:09:53,556 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 05:09:53,557 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 05:09:53,557 INFO L85 PathProgramCache]: Analyzing trace with hash -1143109204, now seen corresponding path program 1 times
[2023-11-19 05:09:53,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2023-11-19 05:09:53,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130064588]
[2023-11-19 05:09:53,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 05:09:53,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 05:09:53,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 05:09:53,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 05:09:53,711 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2023-11-19 05:09:53,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130064588]
[2023-11-19 05:09:53,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130064588] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 05:09:53,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 05:09:53,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2023-11-19 05:09:53,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610267565]
[2023-11-19 05:09:53,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 05:09:53,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-11-19 05:09:53,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2023-11-19 05:09:53,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-19 05:09:53,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2023-11-19 05:09:53,718 INFO L87 Difference]: Start difference. First operand 41 states and 48 transitions. Second operand has 6 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 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)
[2023-11-19 05:09:53,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 05:09:53,919 INFO L93 Difference]: Finished difference Result 116 states and 139 transitions.
[2023-11-19 05:09:53,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2023-11-19 05:09:53,920 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 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 24
[2023-11-19 05:09:53,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 05:09:53,926 INFO L225 Difference]: With dead ends: 116
[2023-11-19 05:09:53,926 INFO L226 Difference]: Without dead ends: 77
[2023-11-19 05:09:53,930 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72
[2023-11-19 05:09:53,939 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 26 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-19 05:09:53,941 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 152 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-19 05:09:53,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states.
[2023-11-19 05:09:53,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 74.
[2023-11-19 05:09:53,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 47 states have (on average 1.2127659574468086) internal successors, (57), 55 states have internal predecessors, (57), 15 states have call successors, (15), 11 states have call predecessors, (15), 11 states have return successors, (15), 13 states have call predecessors, (15), 15 states have call successors, (15)
[2023-11-19 05:09:53,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 87 transitions.
[2023-11-19 05:09:53,989 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 87 transitions. Word has length 24
[2023-11-19 05:09:53,989 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 05:09:53,989 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 87 transitions.
[2023-11-19 05:09:53,990 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 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)
[2023-11-19 05:09:53,992 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 87 transitions.
[2023-11-19 05:09:53,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28
[2023-11-19 05:09:54,015 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-19 05:09:54,015 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 05:09:54,016 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-11-19 05:09:54,016 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 05:09:54,016 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 05:09:54,017 INFO L85 PathProgramCache]: Analyzing trace with hash -2084968100, now seen corresponding path program 1 times
[2023-11-19 05:09:54,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2023-11-19 05:09:54,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181472053]
[2023-11-19 05:09:54,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 05:09:54,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 05:09:54,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 05:09:54,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 05:09:54,199 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2023-11-19 05:09:54,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181472053]
[2023-11-19 05:09:54,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181472053] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 05:09:54,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 05:09:54,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-19 05:09:54,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96590419]
[2023-11-19 05:09:54,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 05:09:54,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 05:09:54,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2023-11-19 05:09:54,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 05:09:54,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-19 05:09:54,203 INFO L87 Difference]: Start difference. First operand 74 states and 87 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2023-11-19 05:09:54,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 05:09:54,260 INFO L93 Difference]: Finished difference Result 129 states and 152 transitions.
[2023-11-19 05:09:54,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-19 05:09:54,261 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 27
[2023-11-19 05:09:54,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 05:09:54,262 INFO L225 Difference]: With dead ends: 129
[2023-11-19 05:09:54,262 INFO L226 Difference]: Without dead ends: 0
[2023-11-19 05:09:54,265 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-11-19 05:09:54,271 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 17 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 05:09:54,272 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 43 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 05:09:54,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2023-11-19 05:09:54,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2023-11-19 05:09:54,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 05:09:54,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2023-11-19 05:09:54,274 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27
[2023-11-19 05:09:54,274 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-19 05:09:54,274 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2023-11-19 05:09:54,275 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2023-11-19 05:09:54,275 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2023-11-19 05:09:54,275 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2023-11-19 05:09:54,278 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2023-11-19 05:09:54,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2023-11-19 05:09:54,282 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2023-11-19 05:09:54,526 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 448 459) the Hoare annotation is: true
[2023-11-19 05:09:54,526 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 448 459) no Hoare annotation was computed.
[2023-11-19 05:09:54,527 INFO L899 garLoopResultBuilder]: For program point L506(line 506) no Hoare annotation was computed.
[2023-11-19 05:09:54,527 INFO L895 garLoopResultBuilder]: At program point L791(line 791) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0))
[2023-11-19 05:09:54,530 INFO L895 garLoopResultBuilder]: At program point L783(line 783) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0))
[2023-11-19 05:09:54,531 INFO L895 garLoopResultBuilder]: At program point L655(line 655) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0))
[2023-11-19 05:09:54,531 INFO L899 garLoopResultBuilder]: For program point L783-1(line 783) no Hoare annotation was computed.
[2023-11-19 05:09:54,531 INFO L899 garLoopResultBuilder]: For program point L655-1(line 655) no Hoare annotation was computed.
[2023-11-19 05:09:54,532 INFO L895 garLoopResultBuilder]: At program point L796(line 796) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0))
[2023-11-19 05:09:54,532 INFO L899 garLoopResultBuilder]: For program point L796-1(lines 777 801) no Hoare annotation was computed.
[2023-11-19 05:09:54,533 INFO L899 garLoopResultBuilder]: For program point L661(lines 661 667) no Hoare annotation was computed.
[2023-11-19 05:09:54,533 INFO L899 garLoopResultBuilder]: For program point L756-1(lines 756 762) no Hoare annotation was computed.
[2023-11-19 05:09:54,533 INFO L899 garLoopResultBuilder]: For program point L785(lines 785 793) no Hoare annotation was computed.
[2023-11-19 05:09:54,538 INFO L899 garLoopResultBuilder]: For program point L657(lines 657 670) no Hoare annotation was computed.
[2023-11-19 05:09:54,539 INFO L899 garLoopResultBuilder]: For program point L657-1(lines 649 673) no Hoare annotation was computed.
[2023-11-19 05:09:54,539 INFO L899 garLoopResultBuilder]: For program point L781(lines 781 798) no Hoare annotation was computed.
[2023-11-19 05:09:54,540 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 745 768) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0))
[2023-11-19 05:09:54,540 INFO L899 garLoopResultBuilder]: For program point L749-1(lines 748 767) no Hoare annotation was computed.
[2023-11-19 05:09:54,540 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 745 768) no Hoare annotation was computed.
[2023-11-19 05:09:54,541 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 506) no Hoare annotation was computed.
[2023-11-19 05:09:54,541 INFO L899 garLoopResultBuilder]: For program point L576(lines 551 580) no Hoare annotation was computed.
[2023-11-19 05:09:54,542 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 551 580) no Hoare annotation was computed.
[2023-11-19 05:09:54,542 INFO L899 garLoopResultBuilder]: For program point L572(line 572) no Hoare annotation was computed.
[2023-11-19 05:09:54,542 INFO L899 garLoopResultBuilder]: For program point L565(lines 565 569) no Hoare annotation was computed.
[2023-11-19 05:09:54,542 INFO L902 garLoopResultBuilder]: At program point L565-1(lines 565 569) the Hoare annotation is: true
[2023-11-19 05:09:54,543 INFO L902 garLoopResultBuilder]: At program point L561-2(lines 561 575) the Hoare annotation is: true
[2023-11-19 05:09:54,543 INFO L902 garLoopResultBuilder]: At program point L557(line 557) the Hoare annotation is: true
[2023-11-19 05:09:54,543 INFO L899 garLoopResultBuilder]: For program point L557-1(line 557) no Hoare annotation was computed.
[2023-11-19 05:09:54,543 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 551 580) the Hoare annotation is: true
[2023-11-19 05:09:54,543 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 460 468) the Hoare annotation is: true
[2023-11-19 05:09:54,543 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 460 468) no Hoare annotation was computed.
[2023-11-19 05:09:54,544 INFO L899 garLoopResultBuilder]: For program point L634(lines 634 641) no Hoare annotation was computed.
[2023-11-19 05:09:54,544 INFO L899 garLoopResultBuilder]: For program point L634-2(lines 634 641) no Hoare annotation was computed.
[2023-11-19 05:09:54,544 INFO L895 garLoopResultBuilder]: At program point L721-2(lines 715 726) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~3#1| ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (not (= 0 ~systemActive~0)))
[2023-11-19 05:09:54,544 INFO L899 garLoopResultBuilder]: For program point L705(lines 705 711) no Hoare annotation was computed.
[2023-11-19 05:09:54,544 INFO L899 garLoopResultBuilder]: For program point L705-1(lines 705 711) no Hoare annotation was computed.
[2023-11-19 05:09:54,544 INFO L899 garLoopResultBuilder]: For program point L734(lines 675 738) no Hoare annotation was computed.
[2023-11-19 05:09:54,545 INFO L895 garLoopResultBuilder]: At program point L697(line 697) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~3#1| ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (not (= 0 ~systemActive~0)))
[2023-11-19 05:09:54,545 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2023-11-19 05:09:54,545 INFO L895 garLoopResultBuilder]: At program point L731(lines 684 732) the Hoare annotation is: false
[2023-11-19 05:09:54,545 INFO L899 garLoopResultBuilder]: For program point L686(lines 685 730) no Hoare annotation was computed.
[2023-11-19 05:09:54,545 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed.
[2023-11-19 05:09:54,546 INFO L895 garLoopResultBuilder]: At program point L707(line 707) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~3#1| ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (not (= 0 ~systemActive~0)))
[2023-11-19 05:09:54,546 INFO L895 garLoopResultBuilder]: At program point L728(lines 685 730) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_main_~tmp~3#1| ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (not (= 0 ~systemActive~0)))
[2023-11-19 05:09:54,546 INFO L899 garLoopResultBuilder]: For program point L695(lines 695 701) no Hoare annotation was computed.
[2023-11-19 05:09:54,548 INFO L899 garLoopResultBuilder]: For program point L695-1(lines 695 701) no Hoare annotation was computed.
[2023-11-19 05:09:54,549 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 436 447) no Hoare annotation was computed.
[2023-11-19 05:09:54,549 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 436 447) the Hoare annotation is: true
[2023-11-19 05:09:54,549 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 769 775) no Hoare annotation was computed.
[2023-11-19 05:09:54,549 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 769 775) the Hoare annotation is: true
[2023-11-19 05:09:54,549 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 835 845) no Hoare annotation was computed.
[2023-11-19 05:09:54,550 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 835 845) the Hoare annotation is: true
[2023-11-19 05:09:54,550 INFO L902 garLoopResultBuilder]: At program point L840(line 840) the Hoare annotation is: true
[2023-11-19 05:09:54,550 INFO L899 garLoopResultBuilder]: For program point L840-1(line 840) no Hoare annotation was computed.
[2023-11-19 05:09:54,553 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1]
[2023-11-19 05:09:54,555 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2023-11-19 05:09:54,573 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:09:54 BoogieIcfgContainer
[2023-11-19 05:09:54,574 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-19 05:09:54,574 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-19 05:09:54,575 INFO L270 PluginConnector]: Initializing Witness Printer...
[2023-11-19 05:09:54,575 INFO L274 PluginConnector]: Witness Printer initialized
[2023-11-19 05:09:54,575 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:09:52" (3/4) ...
[2023-11-19 05:09:54,578 INFO L137 WitnessPrinter]: Generating witness for correct program
[2023-11-19 05:09:54,582 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel
[2023-11-19 05:09:54,582 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift
[2023-11-19 05:09:54,582 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup
[2023-11-19 05:09:54,582 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical
[2023-11-19 05:09:54,583 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise
[2023-11-19 05:09:54,583 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery
[2023-11-19 05:09:54,583 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm
[2023-11-19 05:09:54,596 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 37 nodes and edges
[2023-11-19 05:09:54,597 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges
[2023-11-19 05:09:54,598 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges
[2023-11-19 05:09:54,598 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2023-11-19 05:09:54,599 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2023-11-19 05:09:54,633 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!((\old(pumpRunning) == 0)) || (pumpRunning == 0)) || (0 == systemActive))
[2023-11-19 05:09:54,672 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!((\old(pumpRunning) == 0)) || (pumpRunning == 0)) || (0 == systemActive))
[2023-11-19 05:09:54,738 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dd5fd6-d28d-4271-a0ef-8e128e1129d6/bin/utaipan-verify-t7M7D8N6sZ/witness.graphml
[2023-11-19 05:09:54,738 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dd5fd6-d28d-4271-a0ef-8e128e1129d6/bin/utaipan-verify-t7M7D8N6sZ/witness.yml
[2023-11-19 05:09:54,738 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-19 05:09:54,739 INFO L158 Benchmark]: Toolchain (without parser) took 3414.95ms. Allocated memory was 142.6MB in the beginning and 180.4MB in the end (delta: 37.7MB). Free memory was 109.4MB in the beginning and 108.6MB in the end (delta: 788.0kB). Peak memory consumption was 41.3MB. Max. memory is 16.1GB.
[2023-11-19 05:09:54,740 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 113.2MB. Free memory is still 67.8MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 05:09:54,741 INFO L158 Benchmark]: CACSL2BoogieTranslator took 521.84ms. Allocated memory is still 142.6MB. Free memory was 109.1MB in the beginning and 90.5MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
[2023-11-19 05:09:54,741 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.04ms. Allocated memory is still 142.6MB. Free memory was 90.5MB in the beginning and 88.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 05:09:54,741 INFO L158 Benchmark]: Boogie Preprocessor took 28.57ms. Allocated memory is still 142.6MB. Free memory was 88.4MB in the beginning and 87.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 05:09:54,741 INFO L158 Benchmark]: RCFGBuilder took 536.10ms. Allocated memory is still 142.6MB. Free memory was 86.7MB in the beginning and 65.7MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB.
[2023-11-19 05:09:54,742 INFO L158 Benchmark]: TraceAbstraction took 2095.82ms. Allocated memory was 142.6MB in the beginning and 180.4MB in the end (delta: 37.7MB). Free memory was 65.1MB in the beginning and 114.9MB in the end (delta: -49.8MB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 05:09:54,742 INFO L158 Benchmark]: Witness Printer took 163.92ms. Allocated memory is still 180.4MB. Free memory was 114.9MB in the beginning and 108.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
[2023-11-19 05:09:54,744 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.32ms. Allocated memory is still 113.2MB. Free memory is still 67.8MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 521.84ms. Allocated memory is still 142.6MB. Free memory was 109.1MB in the beginning and 90.5MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 61.04ms. Allocated memory is still 142.6MB. Free memory was 90.5MB in the beginning and 88.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 28.57ms. Allocated memory is still 142.6MB. Free memory was 88.4MB in the beginning and 87.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 536.10ms. Allocated memory is still 142.6MB. Free memory was 86.7MB in the beginning and 65.7MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB.
* TraceAbstraction took 2095.82ms. Allocated memory was 142.6MB in the beginning and 180.4MB in the end (delta: 37.7MB). Free memory was 65.1MB in the beginning and 114.9MB in the end (delta: -49.8MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 163.92ms. Allocated memory is still 180.4MB. Free memory was 114.9MB in the beginning and 108.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
- GenericResultAtLocation [Line: 49]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49]
- GenericResultAtLocation [Line: 415]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [415]
- GenericResultAtLocation [Line: 501]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [501]
- GenericResultAtLocation [Line: 510]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [510]
- GenericResultAtLocation [Line: 548]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [548]
- GenericResultAtLocation [Line: 647]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [647]
- GenericResultAtLocation [Line: 674]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [674]
- GenericResultAtLocation [Line: 739]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [739]
* 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: 506]: 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, 54 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 100 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 95 mSDsluCounter, 356 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 180 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 183 IncrementalHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 176 mSDtfsCounter, 183 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 25 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=74occurred in iteration=4, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 20 LocationsWithAnnotation, 120 PreInvPairs, 129 NumberOfFragments, 116 HoareAnnotationTreeSize, 120 FomulaSimplifications, 9 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 20 FomulaSimplificationsInter, 324 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 103 NumberOfCodeBlocks, 103 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 98 ConstructedInterpolants, 0 QuantifiedInterpolants, 205 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
- InvariantResult [Line: 561]: Loop Invariant
Derived loop invariant: 1
- InvariantResult [Line: 684]: Loop Invariant
Derived loop invariant: 0
- InvariantResult [Line: 685]: Loop Invariant
Derived loop invariant: ((((pumpRunning == 0) && (tmp == systemActive)) && (splverifierCounter == 0)) && !((0 == systemActive)))
- InvariantResult [Line: 745]: Loop Invariant
Derived loop invariant: ((!((\old(pumpRunning) == 0)) || (pumpRunning == 0)) || (0 == systemActive))
RESULT: Ultimate proved your program to be correct!
[2023-11-19 05:09:54,786 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7dd5fd6-d28d-4271-a0ef-8e128e1129d6/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE