./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product12.cil.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version d790fecc
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0374b28f-3f4a-48d6-a6aa-667b4da97d0f/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0374b28f-3f4a-48d6-a6aa-667b4da97d0f/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0374b28f-3f4a-48d6-a6aa-667b4da97d0f/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0374b28f-3f4a-48d6-a6aa-667b4da97d0f/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product12.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0374b28f-3f4a-48d6-a6aa-667b4da97d0f/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0374b28f-3f4a-48d6-a6aa-667b4da97d0f/bin/uautomizer-verify-84ZbGMXZE1 --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 24866d83893c62cb34bc59a82613556af1a8105419efcaf32d88f955b1a97fe7
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 07:14:32,541 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 07:14:32,603 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0374b28f-3f4a-48d6-a6aa-667b4da97d0f/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-12-02 07:14:32,609 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 07:14:32,609 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 07:14:32,634 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 07:14:32,634 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 07:14:32,634 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 07:14:32,635 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 07:14:32,635 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 07:14:32,635 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 07:14:32,635 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 07:14:32,635 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 07:14:32,636 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 07:14:32,636 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 07:14:32,636 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 07:14:32,636 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-02 07:14:32,636 INFO L153 SettingsManager]: * sizeof long=4
[2024-12-02 07:14:32,636 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-02 07:14:32,636 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-12-02 07:14:32,636 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 07:14:32,636 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 07:14:32,636 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 07:14:32,637 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 07:14:32,637 INFO L153 SettingsManager]: * sizeof long double=12
[2024-12-02 07:14:32,637 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 07:14:32,637 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 07:14:32,637 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 07:14:32,637 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 07:14:32,637 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 07:14:32,637 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 07:14:32,637 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 07:14:32,637 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 07:14:32,638 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 07:14:32,638 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 07:14:32,638 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 07:14:32,638 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 07:14:32,638 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 07:14:32,638 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 07:14:32,638 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 07:14:32,638 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-02 07:14:32,638 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 07:14:32,638 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-12-02 07:14:32,638 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 07:14:32,639 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 07:14:32,639 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 07:14:32,639 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 07:14:32,639 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 07:14:32,639 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
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_0374b28f-3f4a-48d6-a6aa-667b4da97d0f/bin/uautomizer-verify-84ZbGMXZE1
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 -> Automizer
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 -> 24866d83893c62cb34bc59a82613556af1a8105419efcaf32d88f955b1a97fe7
[2024-12-02 07:14:32,879 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 07:14:32,889 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 07:14:32,891 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 07:14:32,892 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 07:14:32,893 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 07:14:32,894 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0374b28f-3f4a-48d6-a6aa-667b4da97d0f/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/product-lines/minepump_spec2_product12.cil.c
[2024-12-02 07:14:35,626 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0374b28f-3f4a-48d6-a6aa-667b4da97d0f/bin/uautomizer-verify-84ZbGMXZE1/data/8d65a6edd/606f210686ff4e55aec045c2f46de5c9/FLAG6f02dfe36
[2024-12-02 07:14:35,891 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 07:14:35,891 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0374b28f-3f4a-48d6-a6aa-667b4da97d0f/sv-benchmarks/c/product-lines/minepump_spec2_product12.cil.c
[2024-12-02 07:14:35,904 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0374b28f-3f4a-48d6-a6aa-667b4da97d0f/bin/uautomizer-verify-84ZbGMXZE1/data/8d65a6edd/606f210686ff4e55aec045c2f46de5c9/FLAG6f02dfe36
[2024-12-02 07:14:36,209 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0374b28f-3f4a-48d6-a6aa-667b4da97d0f/bin/uautomizer-verify-84ZbGMXZE1/data/8d65a6edd/606f210686ff4e55aec045c2f46de5c9
[2024-12-02 07:14:36,211 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 07:14:36,212 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 07:14:36,213 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 07:14:36,213 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 07:14:36,218 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 07:14:36,218 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:14:36" (1/1) ...
[2024-12-02 07:14:36,219 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f2a22be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:14:36, skipping insertion in model container
[2024-12-02 07:14:36,220 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:14:36" (1/1) ...
[2024-12-02 07:14:36,249 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 07:14:36,425 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0374b28f-3f4a-48d6-a6aa-667b4da97d0f/sv-benchmarks/c/product-lines/minepump_spec2_product12.cil.c[6803,6816]
[2024-12-02 07:14:36,488 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 07:14:36,500 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 07:14:36,509 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49]
[2024-12-02 07:14:36,510 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [87]
[2024-12-02 07:14:36,511 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [162]
[2024-12-02 07:14:36,511 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [318]
[2024-12-02 07:14:36,511 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [358]
[2024-12-02 07:14:36,511 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [439]
[2024-12-02 07:14:36,511 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [448]
[2024-12-02 07:14:36,511 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [814]
[2024-12-02 07:14:36,532 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0374b28f-3f4a-48d6-a6aa-667b4da97d0f/sv-benchmarks/c/product-lines/minepump_spec2_product12.cil.c[6803,6816]
[2024-12-02 07:14:36,569 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 07:14:36,589 INFO L204 MainTranslator]: Completed translation
[2024-12-02 07:14:36,589 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:14:36 WrapperNode
[2024-12-02 07:14:36,589 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 07:14:36,590 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 07:14:36,590 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 07:14:36,591 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 07:14:36,598 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:14:36" (1/1) ...
[2024-12-02 07:14:36,609 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:14:36" (1/1) ...
[2024-12-02 07:14:36,629 INFO L138 Inliner]: procedures = 53, calls = 94, calls flagged for inlining = 22, calls inlined = 17, statements flattened = 144
[2024-12-02 07:14:36,630 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 07:14:36,630 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 07:14:36,630 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 07:14:36,630 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 07:14:36,637 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:14:36" (1/1) ...
[2024-12-02 07:14:36,637 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:14:36" (1/1) ...
[2024-12-02 07:14:36,639 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:14:36" (1/1) ...
[2024-12-02 07:14:36,652 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-12-02 07:14:36,653 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:14:36" (1/1) ...
[2024-12-02 07:14:36,653 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:14:36" (1/1) ...
[2024-12-02 07:14:36,657 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:14:36" (1/1) ...
[2024-12-02 07:14:36,658 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:14:36" (1/1) ...
[2024-12-02 07:14:36,662 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:14:36" (1/1) ...
[2024-12-02 07:14:36,663 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:14:36" (1/1) ...
[2024-12-02 07:14:36,664 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:14:36" (1/1) ...
[2024-12-02 07:14:36,666 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 07:14:36,667 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 07:14:36,667 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 07:14:36,667 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 07:14:36,668 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:14:36" (1/1) ...
[2024-12-02 07:14:36,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 07:14:36,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0374b28f-3f4a-48d6-a6aa-667b4da97d0f/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 07:14:36,695 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0374b28f-3f4a-48d6-a6aa-667b4da97d0f/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 07:14:36,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0374b28f-3f4a-48d6-a6aa-667b4da97d0f/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 07:14:36,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 07:14:36,726 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2024-12-02 07:14:36,726 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2024-12-02 07:14:36,726 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup
[2024-12-02 07:14:36,726 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup
[2024-12-02 07:14:36,726 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift
[2024-12-02 07:14:36,726 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift
[2024-12-02 07:14:36,726 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise
[2024-12-02 07:14:36,726 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise
[2024-12-02 07:14:36,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-02 07:14:36,727 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2024-12-02 07:14:36,727 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2024-12-02 07:14:36,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 07:14:36,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 07:14:36,792 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 07:14:36,794 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 07:14:36,976 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live.
[2024-12-02 07:14:36,976 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 07:14:36,987 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 07:14:36,987 INFO L312 CfgBuilder]: Removed 4 assume(true) statements.
[2024-12-02 07:14:36,988 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:14:36 BoogieIcfgContainer
[2024-12-02 07:14:36,988 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 07:14:36,990 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 07:14:36,990 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 07:14:36,995 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-02 07:14:36,995 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:14:36" (1/3) ...
[2024-12-02 07:14:36,996 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@700c26b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:14:36, skipping insertion in model container
[2024-12-02 07:14:36,996 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:14:36" (2/3) ...
[2024-12-02 07:14:36,997 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@700c26b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:14:36, skipping insertion in model container
[2024-12-02 07:14:36,997 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:14:36" (3/3) ...
[2024-12-02 07:14:36,998 INFO L128 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product12.cil.c
[2024-12-02 07:14:37,015 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 07:14:37,017 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG minepump_spec2_product12.cil.c that has 6 procedures, 67 locations, 1 initial locations, 2 loop locations, and 1 error locations.
[2024-12-02 07:14:37,073 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 07:14:37,086 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, 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;@10a8551a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 07:14:37,086 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-12-02 07:14:37,091 INFO L276 IsEmpty]: Start isEmpty. Operand has 67 states, 53 states have (on average 1.3962264150943395) internal successors, (74), 57 states have internal predecessors, (74), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-12-02 07:14:37,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26
[2024-12-02 07:14:37,098 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 07:14:37,099 INFO L218 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]
[2024-12-02 07:14:37,099 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 07:14:37,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:14:37,104 INFO L85 PathProgramCache]: Analyzing trace with hash 124823892, now seen corresponding path program 1 times
[2024-12-02 07:14:37,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:14:37,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302169388]
[2024-12-02 07:14:37,112 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:14:37,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:14:37,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:14:37,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 07:14:37,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:14:37,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302169388]
[2024-12-02 07:14:37,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302169388] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:14:37,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:14:37,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 07:14:37,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008073638]
[2024-12-02 07:14:37,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:14:37,351 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 07:14:37,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:14:37,367 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 07:14:37,368 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:14:37,370 INFO L87 Difference]: Start difference. First operand has 67 states, 53 states have (on average 1.3962264150943395) internal successors, (74), 57 states have internal predecessors, (74), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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)
[2024-12-02 07:14:37,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:14:37,396 INFO L93 Difference]: Finished difference Result 113 states and 150 transitions.
[2024-12-02 07:14:37,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 07:14:37,398 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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 25
[2024-12-02 07:14:37,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:14:37,403 INFO L225 Difference]: With dead ends: 113
[2024-12-02 07:14:37,404 INFO L226 Difference]: Without dead ends: 50
[2024-12-02 07:14:37,407 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:14:37,410 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 18 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 07:14:37,411 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 109 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 07:14:37,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states.
[2024-12-02 07:14:37,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50.
[2024-12-02 07:14:37,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 41 states have (on average 1.3170731707317074) internal successors, (54), 44 states have internal predecessors, (54), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4)
[2024-12-02 07:14:37,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 62 transitions.
[2024-12-02 07:14:37,443 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 62 transitions. Word has length 25
[2024-12-02 07:14:37,443 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:14:37,443 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 62 transitions.
[2024-12-02 07:14:37,443 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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)
[2024-12-02 07:14:37,443 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 62 transitions.
[2024-12-02 07:14:37,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31
[2024-12-02 07:14:37,445 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 07:14:37,445 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 07:14:37,445 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-02 07:14:37,445 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 07:14:37,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:14:37,446 INFO L85 PathProgramCache]: Analyzing trace with hash -300975859, now seen corresponding path program 1 times
[2024-12-02 07:14:37,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:14:37,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861695962]
[2024-12-02 07:14:37,446 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:14:37,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:14:37,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:14:37,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 07:14:37,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:14:37,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1861695962]
[2024-12-02 07:14:37,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1861695962] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:14:37,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:14:37,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 07:14:37,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137086862]
[2024-12-02 07:14:37,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:14:37,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 07:14:37,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:14:37,620 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 07:14:37,620 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 07:14:37,620 INFO L87 Difference]: Start difference. First operand 50 states and 62 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 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)
[2024-12-02 07:14:37,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:14:37,687 INFO L93 Difference]: Finished difference Result 131 states and 169 transitions.
[2024-12-02 07:14:37,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-02 07:14:37,688 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 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 30
[2024-12-02 07:14:37,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:14:37,691 INFO L225 Difference]: With dead ends: 131
[2024-12-02 07:14:37,691 INFO L226 Difference]: Without dead ends: 89
[2024-12-02 07:14:37,692 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2024-12-02 07:14:37,693 INFO L435 NwaCegarLoop]: 59 mSDtfsCounter, 55 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 07:14:37,693 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 223 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 07:14:37,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states.
[2024-12-02 07:14:37,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 84.
[2024-12-02 07:14:37,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 67 states have (on average 1.3582089552238805) internal successors, (91), 72 states have internal predecessors, (91), 8 states have call successors, (8), 8 states have call predecessors, (8), 8 states have return successors, (9), 8 states have call predecessors, (9), 8 states have call successors, (9)
[2024-12-02 07:14:37,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 108 transitions.
[2024-12-02 07:14:37,709 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 108 transitions. Word has length 30
[2024-12-02 07:14:37,710 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:14:37,710 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 108 transitions.
[2024-12-02 07:14:37,710 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 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)
[2024-12-02 07:14:37,710 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 108 transitions.
[2024-12-02 07:14:37,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32
[2024-12-02 07:14:37,712 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 07:14:37,712 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 07:14:37,712 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-02 07:14:37,712 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 07:14:37,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:14:37,713 INFO L85 PathProgramCache]: Analyzing trace with hash -511498662, now seen corresponding path program 1 times
[2024-12-02 07:14:37,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:14:37,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286381248]
[2024-12-02 07:14:37,713 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:14:37,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:14:37,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:14:37,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 07:14:37,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:14:37,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286381248]
[2024-12-02 07:14:37,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286381248] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:14:37,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:14:37,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 07:14:37,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371665570]
[2024-12-02 07:14:37,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:14:37,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 07:14:37,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:14:37,800 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 07:14:37,800 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:14:37,800 INFO L87 Difference]: Start difference. First operand 84 states and 108 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-12-02 07:14:37,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:14:37,838 INFO L93 Difference]: Finished difference Result 160 states and 214 transitions.
[2024-12-02 07:14:37,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 07:14:37,839 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31
[2024-12-02 07:14:37,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:14:37,841 INFO L225 Difference]: With dead ends: 160
[2024-12-02 07:14:37,841 INFO L226 Difference]: Without dead ends: 158
[2024-12-02 07:14:37,842 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:14:37,842 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 37 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 07:14:37,843 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 111 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 07:14:37,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states.
[2024-12-02 07:14:37,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158.
[2024-12-02 07:14:37,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 125 states have (on average 1.368) internal successors, (171), 134 states have internal predecessors, (171), 16 states have call successors, (16), 16 states have call predecessors, (16), 16 states have return successors, (24), 16 states have call predecessors, (24), 16 states have call successors, (24)
[2024-12-02 07:14:37,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 211 transitions.
[2024-12-02 07:14:37,871 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 211 transitions. Word has length 31
[2024-12-02 07:14:37,871 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:14:37,871 INFO L471 AbstractCegarLoop]: Abstraction has 158 states and 211 transitions.
[2024-12-02 07:14:37,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-12-02 07:14:37,871 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 211 transitions.
[2024-12-02 07:14:37,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59
[2024-12-02 07:14:37,873 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 07:14:37,874 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 07:14:37,874 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-12-02 07:14:37,874 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 07:14:37,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:14:37,874 INFO L85 PathProgramCache]: Analyzing trace with hash -1369748022, now seen corresponding path program 1 times
[2024-12-02 07:14:37,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:14:37,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849943403]
[2024-12-02 07:14:37,875 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:14:37,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:14:37,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:14:37,938 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-12-02 07:14:37,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:14:37,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849943403]
[2024-12-02 07:14:37,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849943403] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:14:37,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:14:37,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 07:14:37,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302707483]
[2024-12-02 07:14:37,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:14:37,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 07:14:37,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:14:37,940 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 07:14:37,940 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:14:37,940 INFO L87 Difference]: Start difference. First operand 158 states and 211 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-12-02 07:14:37,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:14:37,977 INFO L93 Difference]: Finished difference Result 316 states and 423 transitions.
[2024-12-02 07:14:37,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 07:14:37,977 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 58
[2024-12-02 07:14:37,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:14:37,979 INFO L225 Difference]: With dead ends: 316
[2024-12-02 07:14:37,979 INFO L226 Difference]: Without dead ends: 166
[2024-12-02 07:14:37,980 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:14:37,981 INFO L435 NwaCegarLoop]: 110 mSDtfsCounter, 37 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 07:14:37,981 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 166 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 07:14:37,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states.
[2024-12-02 07:14:38,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 158.
[2024-12-02 07:14:38,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 125 states have (on average 1.352) internal successors, (169), 134 states have internal predecessors, (169), 16 states have call successors, (16), 16 states have call predecessors, (16), 16 states have return successors, (20), 16 states have call predecessors, (20), 16 states have call successors, (20)
[2024-12-02 07:14:38,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 205 transitions.
[2024-12-02 07:14:38,004 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 205 transitions. Word has length 58
[2024-12-02 07:14:38,004 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:14:38,004 INFO L471 AbstractCegarLoop]: Abstraction has 158 states and 205 transitions.
[2024-12-02 07:14:38,005 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-12-02 07:14:38,005 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 205 transitions.
[2024-12-02 07:14:38,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57
[2024-12-02 07:14:38,006 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 07:14:38,007 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 07:14:38,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-12-02 07:14:38,007 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 07:14:38,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:14:38,007 INFO L85 PathProgramCache]: Analyzing trace with hash 17815833, now seen corresponding path program 1 times
[2024-12-02 07:14:38,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:14:38,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482917348]
[2024-12-02 07:14:38,008 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:14:38,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:14:38,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:14:38,219 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 19 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-12-02 07:14:38,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:14:38,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482917348]
[2024-12-02 07:14:38,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482917348] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 07:14:38,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1503708312]
[2024-12-02 07:14:38,220 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:14:38,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 07:14:38,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0374b28f-3f4a-48d6-a6aa-667b4da97d0f/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 07:14:38,222 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0374b28f-3f4a-48d6-a6aa-667b4da97d0f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 07:14:38,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0374b28f-3f4a-48d6-a6aa-667b4da97d0f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-12-02 07:14:38,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:14:38,321 INFO L256 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 9 conjuncts are in the unsatisfiable core
[2024-12-02 07:14:38,326 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 07:14:38,484 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked.
[2024-12-02 07:14:38,484 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 07:14:38,589 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2024-12-02 07:14:38,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1503708312] provided 1 perfect and 1 imperfect interpolant sequences
[2024-12-02 07:14:38,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences.
[2024-12-02 07:14:38,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7, 4] total 10
[2024-12-02 07:14:38,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288588454]
[2024-12-02 07:14:38,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:14:38,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 07:14:38,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:14:38,591 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 07:14:38,591 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90
[2024-12-02 07:14:38,592 INFO L87 Difference]: Start difference. First operand 158 states and 205 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3)
[2024-12-02 07:14:38,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:14:38,642 INFO L93 Difference]: Finished difference Result 225 states and 295 transitions.
[2024-12-02 07:14:38,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-02 07:14:38,645 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 56
[2024-12-02 07:14:38,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:14:38,646 INFO L225 Difference]: With dead ends: 225
[2024-12-02 07:14:38,646 INFO L226 Difference]: Without dead ends: 0
[2024-12-02 07:14:38,647 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132
[2024-12-02 07:14:38,648 INFO L435 NwaCegarLoop]: 47 mSDtfsCounter, 28 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 07:14:38,648 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 139 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 07:14:38,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-12-02 07:14:38,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-12-02 07:14:38,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:14:38,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-12-02 07:14:38,649 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 56
[2024-12-02 07:14:38,649 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:14:38,650 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-12-02 07:14:38,650 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3)
[2024-12-02 07:14:38,650 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-12-02 07:14:38,650 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-12-02 07:14:38,653 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-12-02 07:14:38,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0374b28f-3f4a-48d6-a6aa-667b4da97d0f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-12-02 07:14:38,853 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0374b28f-3f4a-48d6-a6aa-667b4da97d0f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 07:14:38,856 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1]
[2024-12-02 07:14:38,857 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-12-02 07:14:39,246 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-12-02 07:14:39,260 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 07:14:39 BoogieIcfgContainer
[2024-12-02 07:14:39,260 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-02 07:14:39,261 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 07:14:39,261 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-02 07:14:39,261 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-02 07:14:39,262 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:14:36" (3/4) ...
[2024-12-02 07:14:39,264 INFO L146 WitnessPrinter]: Generating witness for correct program
[2024-12-02 07:14:39,270 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel
[2024-12-02 07:14:39,270 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical
[2024-12-02 07:14:39,270 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup
[2024-12-02 07:14:39,270 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift
[2024-12-02 07:14:39,270 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise
[2024-12-02 07:14:39,275 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges
[2024-12-02 07:14:39,275 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges
[2024-12-02 07:14:39,276 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges
[2024-12-02 07:14:39,276 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-12-02 07:14:39,276 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-12-02 07:14:39,367 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0374b28f-3f4a-48d6-a6aa-667b4da97d0f/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml
[2024-12-02 07:14:39,368 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0374b28f-3f4a-48d6-a6aa-667b4da97d0f/bin/uautomizer-verify-84ZbGMXZE1/witness.yml
[2024-12-02 07:14:39,368 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 07:14:39,368 INFO L158 Benchmark]: Toolchain (without parser) took 3156.70ms. Allocated memory is still 142.6MB. Free memory was 116.3MB in the beginning and 62.4MB in the end (delta: 53.9MB). Peak memory consumption was 55.3MB. Max. memory is 16.1GB.
[2024-12-02 07:14:39,369 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 82.6MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 07:14:39,369 INFO L158 Benchmark]: CACSL2BoogieTranslator took 377.04ms. Allocated memory is still 142.6MB. Free memory was 116.3MB in the beginning and 98.1MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 07:14:39,369 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.22ms. Allocated memory is still 142.6MB. Free memory was 97.9MB in the beginning and 96.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 07:14:39,369 INFO L158 Benchmark]: Boogie Preprocessor took 36.19ms. Allocated memory is still 142.6MB. Free memory was 96.2MB in the beginning and 94.7MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 07:14:39,370 INFO L158 Benchmark]: RCFGBuilder took 321.16ms. Allocated memory is still 142.6MB. Free memory was 94.7MB in the beginning and 80.2MB in the end (delta: 14.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 07:14:39,370 INFO L158 Benchmark]: TraceAbstraction took 2270.12ms. Allocated memory is still 142.6MB. Free memory was 79.7MB in the beginning and 68.8MB in the end (delta: 10.9MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB.
[2024-12-02 07:14:39,370 INFO L158 Benchmark]: Witness Printer took 106.86ms. Allocated memory is still 142.6MB. Free memory was 68.8MB in the beginning and 62.4MB in the end (delta: 6.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 07:14:39,372 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 142.6MB. Free memory is still 82.6MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 377.04ms. Allocated memory is still 142.6MB. Free memory was 116.3MB in the beginning and 98.1MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 39.22ms. Allocated memory is still 142.6MB. Free memory was 97.9MB in the beginning and 96.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 36.19ms. Allocated memory is still 142.6MB. Free memory was 96.2MB in the beginning and 94.7MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* RCFGBuilder took 321.16ms. Allocated memory is still 142.6MB. Free memory was 94.7MB in the beginning and 80.2MB in the end (delta: 14.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* TraceAbstraction took 2270.12ms. Allocated memory is still 142.6MB. Free memory was 79.7MB in the beginning and 68.8MB in the end (delta: 10.9MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB.
* Witness Printer took 106.86ms. Allocated memory is still 142.6MB. Free memory was 68.8MB in the beginning and 62.4MB in the end (delta: 6.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
- GenericResultAtLocation [Line: 49]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49]
- GenericResultAtLocation [Line: 87]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [87]
- GenericResultAtLocation [Line: 162]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [162]
- GenericResultAtLocation [Line: 318]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [318]
- GenericResultAtLocation [Line: 358]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [358]
- GenericResultAtLocation [Line: 439]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [439]
- GenericResultAtLocation [Line: 448]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [448]
- GenericResultAtLocation [Line: 814]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [814]
* 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: 444]: 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 6 procedures, 67 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 5, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 178 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 175 mSDsluCounter, 748 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 406 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 35 IncrementalHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 342 mSDtfsCounter, 35 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 137 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=158occurred in iteration=3, InterpolantAutomatonStates: 19, 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, 13 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 256 NumberOfCodeBlocks, 256 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 305 ConstructedInterpolants, 0 QuantifiedInterpolants, 639 SizeOfPredicates, 1 NumberOfNonLiveVariables, 215 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 83/87 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, ConComCheckerStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
- InvariantResult [Line: 103]: Location Invariant
Derived location invariant: 0
- InvariantResult [Line: 826]: Loop Invariant
Derived loop invariant: 0
- InvariantResult [Line: 104]: Loop Invariant
Derived loop invariant: (((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (splverifierCounter == 0))
RESULT: Ultimate proved your program to be correct!
[2024-12-02 07:14:39,390 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0374b28f-3f4a-48d6-a6aa-667b4da97d0f/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE