./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product33.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_643069c5-8ac7-431a-aa62-f06ba38940a8/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643069c5-8ac7-431a-aa62-f06ba38940a8/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_643069c5-8ac7-431a-aa62-f06ba38940a8/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643069c5-8ac7-431a-aa62-f06ba38940a8/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product33.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643069c5-8ac7-431a-aa62-f06ba38940a8/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_643069c5-8ac7-431a-aa62-f06ba38940a8/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 5399744cbc243992ccbbf21bf0e09dd5dced55fce1050770392b2964c31c4145
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 11:02:42,023 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 11:02:42,077 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643069c5-8ac7-431a-aa62-f06ba38940a8/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-12-02 11:02:42,082 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 11:02:42,082 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 11:02:42,104 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 11:02:42,105 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 11:02:42,105 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 11:02:42,105 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 11:02:42,105 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 11:02:42,105 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 11:02:42,105 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 11:02:42,106 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 11:02:42,106 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 11:02:42,106 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 11:02:42,106 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 11:02:42,106 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-02 11:02:42,106 INFO L153 SettingsManager]: * sizeof long=4
[2024-12-02 11:02:42,106 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-02 11:02:42,107 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-12-02 11:02:42,107 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 11:02:42,107 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 11:02:42,107 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 11:02:42,107 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 11:02:42,107 INFO L153 SettingsManager]: * sizeof long double=12
[2024-12-02 11:02:42,107 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 11:02:42,107 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 11:02:42,107 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 11:02:42,107 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 11:02:42,107 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 11:02:42,108 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 11:02:42,108 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 11:02:42,108 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 11:02:42,108 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 11:02:42,108 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 11:02:42,108 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 11:02:42,108 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 11:02:42,108 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 11:02:42,108 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 11:02:42,108 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 11:02:42,108 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-02 11:02:42,109 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 11:02:42,109 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-12-02 11:02:42,109 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 11:02:42,109 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 11:02:42,109 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 11:02:42,109 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 11:02:42,109 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 11:02:42,109 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_643069c5-8ac7-431a-aa62-f06ba38940a8/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 -> 5399744cbc243992ccbbf21bf0e09dd5dced55fce1050770392b2964c31c4145
[2024-12-02 11:02:42,332 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 11:02:42,339 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 11:02:42,342 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 11:02:42,343 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 11:02:42,343 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 11:02:42,344 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643069c5-8ac7-431a-aa62-f06ba38940a8/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/product-lines/minepump_spec4_product33.cil.c
[2024-12-02 11:02:44,913 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643069c5-8ac7-431a-aa62-f06ba38940a8/bin/uautomizer-verify-84ZbGMXZE1/data/9a87ff808/8df958869fdd4d62ace5ed1e01b48267/FLAG8a7a082e0
[2024-12-02 11:02:45,161 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 11:02:45,161 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643069c5-8ac7-431a-aa62-f06ba38940a8/sv-benchmarks/c/product-lines/minepump_spec4_product33.cil.c
[2024-12-02 11:02:45,172 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643069c5-8ac7-431a-aa62-f06ba38940a8/bin/uautomizer-verify-84ZbGMXZE1/data/9a87ff808/8df958869fdd4d62ace5ed1e01b48267/FLAG8a7a082e0
[2024-12-02 11:02:45,493 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643069c5-8ac7-431a-aa62-f06ba38940a8/bin/uautomizer-verify-84ZbGMXZE1/data/9a87ff808/8df958869fdd4d62ace5ed1e01b48267
[2024-12-02 11:02:45,494 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 11:02:45,495 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 11:02:45,496 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 11:02:45,496 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 11:02:45,499 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 11:02:45,500 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:02:45" (1/1) ...
[2024-12-02 11:02:45,500 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b81c24c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:45, skipping insertion in model container
[2024-12-02 11:02:45,500 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:02:45" (1/1) ...
[2024-12-02 11:02:45,521 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 11:02:45,739 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_643069c5-8ac7-431a-aa62-f06ba38940a8/sv-benchmarks/c/product-lines/minepump_spec4_product33.cil.c[17260,17273]
[2024-12-02 11:02:45,744 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 11:02:45,752 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 11:02:45,760 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49]
[2024-12-02 11:02:45,761 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [415]
[2024-12-02 11:02:45,761 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [519]
[2024-12-02 11:02:45,761 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [554]
[2024-12-02 11:02:45,761 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [619]
[2024-12-02 11:02:45,761 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [718]
[2024-12-02 11:02:45,761 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [874]
[2024-12-02 11:02:45,761 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [883]
[2024-12-02 11:02:45,805 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_643069c5-8ac7-431a-aa62-f06ba38940a8/sv-benchmarks/c/product-lines/minepump_spec4_product33.cil.c[17260,17273]
[2024-12-02 11:02:45,806 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 11:02:45,822 INFO L204 MainTranslator]: Completed translation
[2024-12-02 11:02:45,823 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:45 WrapperNode
[2024-12-02 11:02:45,823 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 11:02:45,824 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 11:02:45,824 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 11:02:45,824 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 11:02:45,830 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:45" (1/1) ...
[2024-12-02 11:02:45,839 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:45" (1/1) ...
[2024-12-02 11:02:45,857 INFO L138 Inliner]: procedures = 52, calls = 93, calls flagged for inlining = 21, calls inlined = 17, statements flattened = 169
[2024-12-02 11:02:45,857 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 11:02:45,857 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 11:02:45,857 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 11:02:45,857 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 11:02:45,866 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:45" (1/1) ...
[2024-12-02 11:02:45,866 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:45" (1/1) ...
[2024-12-02 11:02:45,868 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:45" (1/1) ...
[2024-12-02 11:02:45,876 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 11:02:45,876 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:45" (1/1) ...
[2024-12-02 11:02:45,877 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:45" (1/1) ...
[2024-12-02 11:02:45,880 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:45" (1/1) ...
[2024-12-02 11:02:45,881 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:45" (1/1) ...
[2024-12-02 11:02:45,883 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:45" (1/1) ...
[2024-12-02 11:02:45,884 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:45" (1/1) ...
[2024-12-02 11:02:45,884 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:45" (1/1) ...
[2024-12-02 11:02:45,885 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 11:02:45,886 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 11:02:45,886 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 11:02:45,886 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 11:02:45,887 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:45" (1/1) ...
[2024-12-02 11:02:45,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 11:02:45,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643069c5-8ac7-431a-aa62-f06ba38940a8/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 11:02:45,913 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643069c5-8ac7-431a-aa62-f06ba38940a8/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 11:02:45,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643069c5-8ac7-431a-aa62-f06ba38940a8/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 11:02:45,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 11:02:45,935 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2024-12-02 11:02:45,936 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2024-12-02 11:02:45,936 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift
[2024-12-02 11:02:45,936 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift
[2024-12-02 11:02:45,936 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup
[2024-12-02 11:02:45,936 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup
[2024-12-02 11:02:45,936 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise
[2024-12-02 11:02:45,936 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise
[2024-12-02 11:02:45,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-02 11:02:45,936 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2024-12-02 11:02:45,936 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2024-12-02 11:02:45,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 11:02:45,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 11:02:46,001 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 11:02:46,003 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 11:02:46,171 INFO L? ?]: Removed 37 outVars from TransFormulas that were not future-live.
[2024-12-02 11:02:46,171 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 11:02:46,181 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 11:02:46,181 INFO L312 CfgBuilder]: Removed 4 assume(true) statements.
[2024-12-02 11:02:46,181 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:02:46 BoogieIcfgContainer
[2024-12-02 11:02:46,181 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 11:02:46,183 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 11:02:46,183 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 11:02:46,188 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-02 11:02:46,188 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 11:02:45" (1/3) ...
[2024-12-02 11:02:46,188 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@517ab462 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:02:46, skipping insertion in model container
[2024-12-02 11:02:46,188 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:02:45" (2/3) ...
[2024-12-02 11:02:46,189 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@517ab462 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 11:02:46, skipping insertion in model container
[2024-12-02 11:02:46,189 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:02:46" (3/3) ...
[2024-12-02 11:02:46,190 INFO L128 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product33.cil.c
[2024-12-02 11:02:46,204 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 11:02:46,205 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG minepump_spec4_product33.cil.c that has 6 procedures, 68 locations, 1 initial locations, 2 loop locations, and 1 error locations.
[2024-12-02 11:02:46,253 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 11:02:46,263 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;@d2b9c83, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 11:02:46,263 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-12-02 11:02:46,267 INFO L276 IsEmpty]: Start isEmpty. Operand has 68 states, 53 states have (on average 1.4339622641509433) internal successors, (76), 59 states have internal predecessors, (76), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8)
[2024-12-02 11:02:46,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20
[2024-12-02 11:02:46,273 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 11:02:46,274 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 11:02:46,274 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 11:02:46,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:02:46,278 INFO L85 PathProgramCache]: Analyzing trace with hash 83798166, now seen corresponding path program 1 times
[2024-12-02 11:02:46,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:02:46,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224165460]
[2024-12-02 11:02:46,285 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:02:46,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:02:46,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:02:46,404 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 11:02:46,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:02:46,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224165460]
[2024-12-02 11:02:46,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224165460] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:02:46,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:02:46,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 11:02:46,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521796420]
[2024-12-02 11:02:46,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:02:46,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-12-02 11:02:46,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:02:46,423 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-12-02 11:02:46,423 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-12-02 11:02:46,425 INFO L87 Difference]: Start difference. First operand has 68 states, 53 states have (on average 1.4339622641509433) internal successors, (76), 59 states have internal predecessors, (76), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:02:46,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:02:46,444 INFO L93 Difference]: Finished difference Result 128 states and 179 transitions.
[2024-12-02 11:02:46,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-12-02 11:02:46,445 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19
[2024-12-02 11:02:46,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:02:46,450 INFO L225 Difference]: With dead ends: 128
[2024-12-02 11:02:46,450 INFO L226 Difference]: Without dead ends: 59
[2024-12-02 11:02:46,452 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-12-02 11:02:46,454 INFO L435 NwaCegarLoop]: 86 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 11:02:46,455 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 11:02:46,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states.
[2024-12-02 11:02:46,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59.
[2024-12-02 11:02:46,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 46 states have (on average 1.3478260869565217) internal successors, (62), 51 states have internal predecessors, (62), 8 states have call successors, (8), 5 states have call predecessors, (8), 4 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7)
[2024-12-02 11:02:46,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 77 transitions.
[2024-12-02 11:02:46,486 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 77 transitions. Word has length 19
[2024-12-02 11:02:46,486 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:02:46,486 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 77 transitions.
[2024-12-02 11:02:46,487 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:02:46,487 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 77 transitions.
[2024-12-02 11:02:46,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20
[2024-12-02 11:02:46,488 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 11:02:46,488 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 11:02:46,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-02 11:02:46,488 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 11:02:46,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:02:46,489 INFO L85 PathProgramCache]: Analyzing trace with hash 858294480, now seen corresponding path program 1 times
[2024-12-02 11:02:46,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:02:46,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214778173]
[2024-12-02 11:02:46,489 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:02:46,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:02:46,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:02:46,586 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 11:02:46,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:02:46,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214778173]
[2024-12-02 11:02:46,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214778173] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:02:46,586 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:02:46,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 11:02:46,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682003497]
[2024-12-02 11:02:46,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:02:46,587 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 11:02:46,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:02:46,588 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 11:02:46,588 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 11:02:46,588 INFO L87 Difference]: Start difference. First operand 59 states and 77 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:02:46,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:02:46,599 INFO L93 Difference]: Finished difference Result 86 states and 112 transitions.
[2024-12-02 11:02:46,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 11:02:46,600 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19
[2024-12-02 11:02:46,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:02:46,601 INFO L225 Difference]: With dead ends: 86
[2024-12-02 11:02:46,601 INFO L226 Difference]: Without dead ends: 51
[2024-12-02 11:02:46,601 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 11:02:46,602 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 12 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 115 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 11:02:46,602 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 115 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 11:02:46,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states.
[2024-12-02 11:02:46,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51.
[2024-12-02 11:02:46,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 41 states have (on average 1.3658536585365855) internal successors, (56), 46 states have internal predecessors, (56), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5)
[2024-12-02 11:02:46,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 66 transitions.
[2024-12-02 11:02:46,608 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 66 transitions. Word has length 19
[2024-12-02 11:02:46,609 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:02:46,609 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 66 transitions.
[2024-12-02 11:02:46,609 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:02:46,609 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 66 transitions.
[2024-12-02 11:02:46,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24
[2024-12-02 11:02:46,610 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 11:02:46,610 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]
[2024-12-02 11:02:46,610 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-02 11:02:46,610 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 11:02:46,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:02:46,611 INFO L85 PathProgramCache]: Analyzing trace with hash 2115614326, now seen corresponding path program 1 times
[2024-12-02 11:02:46,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:02:46,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310226221]
[2024-12-02 11:02:46,611 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:02:46,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:02:46,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:02:46,691 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 11:02:46,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:02:46,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310226221]
[2024-12-02 11:02:46,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310226221] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:02:46,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:02:46,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 11:02:46,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104837681]
[2024-12-02 11:02:46,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:02:46,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 11:02:46,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:02:46,692 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 11:02:46,692 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 11:02:46,692 INFO L87 Difference]: Start difference. First operand 51 states and 66 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:02:46,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:02:46,703 INFO L93 Difference]: Finished difference Result 95 states and 126 transitions.
[2024-12-02 11:02:46,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 11:02:46,703 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23
[2024-12-02 11:02:46,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:02:46,704 INFO L225 Difference]: With dead ends: 95
[2024-12-02 11:02:46,704 INFO L226 Difference]: Without dead ends: 51
[2024-12-02 11:02:46,704 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 11:02:46,705 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 49 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 64 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 11:02:46,706 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 64 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 11:02:46,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states.
[2024-12-02 11:02:46,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51.
[2024-12-02 11:02:46,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 41 states have (on average 1.3414634146341464) internal successors, (55), 46 states have internal predecessors, (55), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5)
[2024-12-02 11:02:46,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 65 transitions.
[2024-12-02 11:02:46,713 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 65 transitions. Word has length 23
[2024-12-02 11:02:46,713 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:02:46,714 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 65 transitions.
[2024-12-02 11:02:46,714 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 2 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:02:46,714 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 65 transitions.
[2024-12-02 11:02:46,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29
[2024-12-02 11:02:46,715 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 11:02:46,715 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]
[2024-12-02 11:02:46,715 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-12-02 11:02:46,715 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 11:02:46,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:02:46,715 INFO L85 PathProgramCache]: Analyzing trace with hash -1153939895, now seen corresponding path program 1 times
[2024-12-02 11:02:46,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:02:46,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163475168]
[2024-12-02 11:02:46,716 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:02:46,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:02:46,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:02:46,759 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 11:02:46,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:02:46,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163475168]
[2024-12-02 11:02:46,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163475168] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:02:46,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:02:46,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 11:02:46,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809238027]
[2024-12-02 11:02:46,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:02:46,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 11:02:46,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:02:46,761 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 11:02:46,761 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 11:02:46,761 INFO L87 Difference]: Start difference. First operand 51 states and 65 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (2), 1 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 11:02:46,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:02:46,798 INFO L93 Difference]: Finished difference Result 128 states and 168 transitions.
[2024-12-02 11:02:46,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 11:02:46,798 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (2), 1 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 28
[2024-12-02 11:02:46,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:02:46,799 INFO L225 Difference]: With dead ends: 128
[2024-12-02 11:02:46,799 INFO L226 Difference]: Without dead ends: 84
[2024-12-02 11:02:46,800 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 11:02:46,801 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 54 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 11:02:46,801 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 116 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 11:02:46,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states.
[2024-12-02 11:02:46,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 82.
[2024-12-02 11:02:46,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 65 states have (on average 1.3384615384615384) internal successors, (87), 71 states have internal predecessors, (87), 8 states have call successors, (8), 8 states have call predecessors, (8), 8 states have return successors, (10), 8 states have call predecessors, (10), 8 states have call successors, (10)
[2024-12-02 11:02:46,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 105 transitions.
[2024-12-02 11:02:46,814 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 105 transitions. Word has length 28
[2024-12-02 11:02:46,815 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:02:46,815 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 105 transitions.
[2024-12-02 11:02:46,815 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 2 states have call successors, (2), 1 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 11:02:46,815 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 105 transitions.
[2024-12-02 11:02:46,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33
[2024-12-02 11:02:46,816 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 11:02:46,816 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, 1]
[2024-12-02 11:02:46,816 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-12-02 11:02:46,816 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 11:02:46,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:02:46,817 INFO L85 PathProgramCache]: Analyzing trace with hash 394397160, now seen corresponding path program 1 times
[2024-12-02 11:02:46,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:02:46,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053721097]
[2024-12-02 11:02:46,817 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:02:46,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:02:46,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:02:46,913 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 11:02:46,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:02:46,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053721097]
[2024-12-02 11:02:46,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053721097] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:02:46,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:02:46,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 11:02:46,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331957948]
[2024-12-02 11:02:46,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:02:46,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 11:02:46,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:02:46,915 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 11:02:46,915 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 11:02:46,915 INFO L87 Difference]: Start difference. First operand 82 states and 105 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:02:46,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:02:46,950 INFO L93 Difference]: Finished difference Result 222 states and 300 transitions.
[2024-12-02 11:02:46,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 11:02:46,950 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32
[2024-12-02 11:02:46,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:02:46,952 INFO L225 Difference]: With dead ends: 222
[2024-12-02 11:02:46,952 INFO L226 Difference]: Without dead ends: 147
[2024-12-02 11:02:46,952 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 11:02:46,953 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 36 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 113 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 11:02:46,953 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 113 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 11:02:46,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states.
[2024-12-02 11:02:46,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 145.
[2024-12-02 11:02:46,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 116 states have (on average 1.3362068965517242) internal successors, (155), 124 states have internal predecessors, (155), 15 states have call successors, (15), 15 states have call predecessors, (15), 13 states have return successors, (21), 13 states have call predecessors, (21), 15 states have call successors, (21)
[2024-12-02 11:02:46,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 191 transitions.
[2024-12-02 11:02:46,973 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 191 transitions. Word has length 32
[2024-12-02 11:02:46,973 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:02:46,973 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 191 transitions.
[2024-12-02 11:02:46,973 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 2 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:02:46,973 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 191 transitions.
[2024-12-02 11:02:46,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33
[2024-12-02 11:02:46,974 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 11:02:46,974 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, 1]
[2024-12-02 11:02:46,974 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-12-02 11:02:46,974 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 11:02:46,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:02:46,975 INFO L85 PathProgramCache]: Analyzing trace with hash 1405514410, now seen corresponding path program 1 times
[2024-12-02 11:02:46,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:02:46,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800046543]
[2024-12-02 11:02:46,975 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:02:46,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:02:46,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:02:47,051 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 11:02:47,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:02:47,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800046543]
[2024-12-02 11:02:47,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800046543] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:02:47,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:02:47,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 11:02:47,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686447371]
[2024-12-02 11:02:47,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:02:47,052 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 11:02:47,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:02:47,052 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 11:02:47,053 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 11:02:47,053 INFO L87 Difference]: Start difference. First operand 145 states and 191 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:02:47,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:02:47,089 INFO L93 Difference]: Finished difference Result 289 states and 388 transitions.
[2024-12-02 11:02:47,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-02 11:02:47,090 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32
[2024-12-02 11:02:47,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:02:47,091 INFO L225 Difference]: With dead ends: 289
[2024-12-02 11:02:47,091 INFO L226 Difference]: Without dead ends: 151
[2024-12-02 11:02:47,092 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 11:02:47,093 INFO L435 NwaCegarLoop]: 62 mSDtfsCounter, 0 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 11:02:47,093 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 241 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 11:02:47,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states.
[2024-12-02 11:02:47,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151.
[2024-12-02 11:02:47,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 122 states have (on average 1.319672131147541) internal successors, (161), 130 states have internal predecessors, (161), 15 states have call successors, (15), 15 states have call predecessors, (15), 13 states have return successors, (21), 13 states have call predecessors, (21), 15 states have call successors, (21)
[2024-12-02 11:02:47,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 197 transitions.
[2024-12-02 11:02:47,111 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 197 transitions. Word has length 32
[2024-12-02 11:02:47,111 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:02:47,111 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 197 transitions.
[2024-12-02 11:02:47,112 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:02:47,112 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 197 transitions.
[2024-12-02 11:02:47,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33
[2024-12-02 11:02:47,113 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 11:02:47,113 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, 1]
[2024-12-02 11:02:47,113 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-12-02 11:02:47,113 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 11:02:47,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:02:47,114 INFO L85 PathProgramCache]: Analyzing trace with hash 1663679848, now seen corresponding path program 1 times
[2024-12-02 11:02:47,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:02:47,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025845417]
[2024-12-02 11:02:47,114 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:02:47,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:02:47,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:02:47,190 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 11:02:47,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:02:47,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025845417]
[2024-12-02 11:02:47,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025845417] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:02:47,191 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:02:47,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 11:02:47,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344156443]
[2024-12-02 11:02:47,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:02:47,191 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 11:02:47,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:02:47,192 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 11:02:47,192 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 11:02:47,192 INFO L87 Difference]: Start difference. First operand 151 states and 197 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:02:47,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:02:47,217 INFO L93 Difference]: Finished difference Result 267 states and 352 transitions.
[2024-12-02 11:02:47,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 11:02:47,218 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 32
[2024-12-02 11:02:47,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:02:47,219 INFO L225 Difference]: With dead ends: 267
[2024-12-02 11:02:47,219 INFO L226 Difference]: Without dead ends: 123
[2024-12-02 11:02:47,220 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 11:02:47,221 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 0 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 11:02:47,221 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 183 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 11:02:47,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states.
[2024-12-02 11:02:47,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123.
[2024-12-02 11:02:47,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 99 states have (on average 1.292929292929293) internal successors, (128), 106 states have internal predecessors, (128), 12 states have call successors, (12), 12 states have call predecessors, (12), 11 states have return successors, (14), 11 states have call predecessors, (14), 12 states have call successors, (14)
[2024-12-02 11:02:47,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 154 transitions.
[2024-12-02 11:02:47,232 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 154 transitions. Word has length 32
[2024-12-02 11:02:47,233 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:02:47,233 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 154 transitions.
[2024-12-02 11:02:47,233 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 11:02:47,233 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 154 transitions.
[2024-12-02 11:02:47,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35
[2024-12-02 11:02:47,234 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 11:02:47,234 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, 1, 1, 1]
[2024-12-02 11:02:47,234 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-12-02 11:02:47,234 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 11:02:47,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:02:47,235 INFO L85 PathProgramCache]: Analyzing trace with hash -888927039, now seen corresponding path program 1 times
[2024-12-02 11:02:47,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:02:47,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831484091]
[2024-12-02 11:02:47,235 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:02:47,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:02:47,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:02:47,321 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 11:02:47,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:02:47,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831484091]
[2024-12-02 11:02:47,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831484091] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:02:47,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:02:47,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 11:02:47,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686975091]
[2024-12-02 11:02:47,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:02:47,322 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 11:02:47,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:02:47,322 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 11:02:47,322 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 11:02:47,322 INFO L87 Difference]: Start difference. First operand 123 states and 154 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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 11:02:47,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:02:47,371 INFO L93 Difference]: Finished difference Result 237 states and 299 transitions.
[2024-12-02 11:02:47,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-02 11:02:47,371 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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 34
[2024-12-02 11:02:47,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:02:47,373 INFO L225 Difference]: With dead ends: 237
[2024-12-02 11:02:47,373 INFO L226 Difference]: Without dead ends: 121
[2024-12-02 11:02:47,373 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 11:02:47,374 INFO L435 NwaCegarLoop]: 60 mSDtfsCounter, 19 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 11:02:47,374 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 229 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 11:02:47,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states.
[2024-12-02 11:02:47,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121.
[2024-12-02 11:02:47,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 97 states have (on average 1.2783505154639174) internal successors, (124), 104 states have internal predecessors, (124), 12 states have call successors, (12), 12 states have call predecessors, (12), 11 states have return successors, (14), 11 states have call predecessors, (14), 12 states have call successors, (14)
[2024-12-02 11:02:47,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 150 transitions.
[2024-12-02 11:02:47,385 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 150 transitions. Word has length 34
[2024-12-02 11:02:47,385 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:02:47,385 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 150 transitions.
[2024-12-02 11:02:47,385 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 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 11:02:47,385 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 150 transitions.
[2024-12-02 11:02:47,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37
[2024-12-02 11:02:47,386 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 11:02:47,386 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, 1, 1, 1, 1, 1]
[2024-12-02 11:02:47,387 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-12-02 11:02:47,387 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 11:02:47,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:02:47,387 INFO L85 PathProgramCache]: Analyzing trace with hash -239479360, now seen corresponding path program 1 times
[2024-12-02 11:02:47,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:02:47,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829195417]
[2024-12-02 11:02:47,387 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:02:47,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:02:47,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:02:47,481 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 11:02:47,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:02:47,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829195417]
[2024-12-02 11:02:47,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829195417] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:02:47,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:02:47,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 11:02:47,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103987461]
[2024-12-02 11:02:47,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:02:47,481 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 11:02:47,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:02:47,482 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 11:02:47,482 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 11:02:47,482 INFO L87 Difference]: Start difference. First operand 121 states and 150 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (2), 1 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 11:02:47,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:02:47,543 INFO L93 Difference]: Finished difference Result 261 states and 349 transitions.
[2024-12-02 11:02:47,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-02 11:02:47,544 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (2), 1 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 36
[2024-12-02 11:02:47,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:02:47,546 INFO L225 Difference]: With dead ends: 261
[2024-12-02 11:02:47,546 INFO L226 Difference]: Without dead ends: 181
[2024-12-02 11:02:47,546 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 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 11:02:47,547 INFO L435 NwaCegarLoop]: 101 mSDtfsCounter, 38 mSDsluCounter, 249 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 11:02:47,547 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 350 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 11:02:47,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states.
[2024-12-02 11:02:47,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 181.
[2024-12-02 11:02:47,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 143 states have (on average 1.2657342657342658) internal successors, (181), 153 states have internal predecessors, (181), 19 states have call successors, (19), 19 states have call predecessors, (19), 18 states have return successors, (30), 18 states have call predecessors, (30), 19 states have call successors, (30)
[2024-12-02 11:02:47,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 230 transitions.
[2024-12-02 11:02:47,565 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 230 transitions. Word has length 36
[2024-12-02 11:02:47,565 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:02:47,565 INFO L471 AbstractCegarLoop]: Abstraction has 181 states and 230 transitions.
[2024-12-02 11:02:47,565 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (2), 1 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 11:02:47,565 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 230 transitions.
[2024-12-02 11:02:47,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39
[2024-12-02 11:02:47,567 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 11:02:47,567 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, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 11:02:47,568 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-12-02 11:02:47,568 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 11:02:47,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:02:47,568 INFO L85 PathProgramCache]: Analyzing trace with hash 852210523, now seen corresponding path program 1 times
[2024-12-02 11:02:47,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:02:47,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860318154]
[2024-12-02 11:02:47,568 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:02:47,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:02:47,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:02:47,631 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 11:02:47,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:02:47,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860318154]
[2024-12-02 11:02:47,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860318154] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 11:02:47,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 11:02:47,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 11:02:47,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326806938]
[2024-12-02 11:02:47,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 11:02:47,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 11:02:47,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:02:47,632 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 11:02:47,632 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 11:02:47,632 INFO L87 Difference]: Start difference. First operand 181 states and 230 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-12-02 11:02:47,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:02:47,681 INFO L93 Difference]: Finished difference Result 183 states and 231 transitions.
[2024-12-02 11:02:47,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-02 11:02:47,681 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 38
[2024-12-02 11:02:47,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:02:47,683 INFO L225 Difference]: With dead ends: 183
[2024-12-02 11:02:47,683 INFO L226 Difference]: Without dead ends: 181
[2024-12-02 11:02:47,683 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 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 11:02:47,684 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 41 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 11:02:47,684 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 222 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 11:02:47,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states.
[2024-12-02 11:02:47,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 181.
[2024-12-02 11:02:47,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 143 states have (on average 1.2587412587412588) internal successors, (180), 153 states have internal predecessors, (180), 19 states have call successors, (19), 19 states have call predecessors, (19), 18 states have return successors, (30), 18 states have call predecessors, (30), 19 states have call successors, (30)
[2024-12-02 11:02:47,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 229 transitions.
[2024-12-02 11:02:47,708 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 229 transitions. Word has length 38
[2024-12-02 11:02:47,708 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:02:47,708 INFO L471 AbstractCegarLoop]: Abstraction has 181 states and 229 transitions.
[2024-12-02 11:02:47,709 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-12-02 11:02:47,709 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 229 transitions.
[2024-12-02 11:02:47,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60
[2024-12-02 11:02:47,710 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 11:02:47,710 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 11:02:47,710 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-12-02 11:02:47,710 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 11:02:47,711 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:02:47,711 INFO L85 PathProgramCache]: Analyzing trace with hash 46516708, now seen corresponding path program 1 times
[2024-12-02 11:02:47,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:02:47,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471376430]
[2024-12-02 11:02:47,711 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:02:47,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:02:47,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:02:47,834 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 11:02:47,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 11:02:47,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471376430]
[2024-12-02 11:02:47,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471376430] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 11:02:47,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [586197289]
[2024-12-02 11:02:47,834 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 11:02:47,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 11:02:47,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643069c5-8ac7-431a-aa62-f06ba38940a8/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 11:02:47,836 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643069c5-8ac7-431a-aa62-f06ba38940a8/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 11:02:47,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643069c5-8ac7-431a-aa62-f06ba38940a8/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-12-02 11:02:47,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 11:02:47,918 INFO L256 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 8 conjuncts are in the unsatisfiable core
[2024-12-02 11:02:47,923 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 11:02:48,011 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 11:02:48,011 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 11:02:48,112 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 11:02:48,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [586197289] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 11:02:48,113 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 11:02:48,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 6
[2024-12-02 11:02:48,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119236302]
[2024-12-02 11:02:48,113 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 11:02:48,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 11:02:48,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 11:02:48,114 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 11:02:48,114 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-12-02 11:02:48,114 INFO L87 Difference]: Start difference. First operand 181 states and 229 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4)
[2024-12-02 11:02:48,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 11:02:48,227 INFO L93 Difference]: Finished difference Result 415 states and 560 transitions.
[2024-12-02 11:02:48,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2024-12-02 11:02:48,228 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 59
[2024-12-02 11:02:48,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 11:02:48,231 INFO L225 Difference]: With dead ends: 415
[2024-12-02 11:02:48,231 INFO L226 Difference]: Without dead ends: 275
[2024-12-02 11:02:48,231 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 114 SyntacticMatches, 5 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90
[2024-12-02 11:02:48,232 INFO L435 NwaCegarLoop]: 92 mSDtfsCounter, 65 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 11:02:48,233 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 364 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 11:02:48,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states.
[2024-12-02 11:02:48,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 249.
[2024-12-02 11:02:48,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 195 states have (on average 1.2666666666666666) internal successors, (247), 209 states have internal predecessors, (247), 27 states have call successors, (27), 27 states have call predecessors, (27), 26 states have return successors, (46), 24 states have call predecessors, (46), 27 states have call successors, (46)
[2024-12-02 11:02:48,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 320 transitions.
[2024-12-02 11:02:48,249 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 320 transitions. Word has length 59
[2024-12-02 11:02:48,250 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 11:02:48,250 INFO L471 AbstractCegarLoop]: Abstraction has 249 states and 320 transitions.
[2024-12-02 11:02:48,250 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4)
[2024-12-02 11:02:48,250 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 320 transitions.
[2024-12-02 11:02:48,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83
[2024-12-02 11:02:48,251 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 11:02:48,251 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1]
[2024-12-02 11:02:48,257 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643069c5-8ac7-431a-aa62-f06ba38940a8/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-12-02 11:02:48,452 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643069c5-8ac7-431a-aa62-f06ba38940a8/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10
[2024-12-02 11:02:48,452 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 11:02:48,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 11:02:48,452 INFO L85 PathProgramCache]: Analyzing trace with hash -507548352, now seen corresponding path program 2 times
[2024-12-02 11:02:48,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 11:02:48,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136628555]
[2024-12-02 11:02:48,453 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-02 11:02:48,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 11:02:48,472 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-12-02 11:02:48,472 INFO L230 tOrderPrioritization]: Conjunction of SSA is sat
[2024-12-02 11:02:48,472 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 11:02:48,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 11:02:48,500 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-12-02 11:02:48,500 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-12-02 11:02:48,501 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-12-02 11:02:48,502 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2024-12-02 11:02:48,504 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 11:02:48,552 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-12-02 11:02:48,555 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 11:02:48 BoogieIcfgContainer
[2024-12-02 11:02:48,555 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-02 11:02:48,555 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 11:02:48,555 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-02 11:02:48,556 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-02 11:02:48,556 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:02:46" (3/4) ...
[2024-12-02 11:02:48,557 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample
[2024-12-02 11:02:48,615 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 74.
[2024-12-02 11:02:48,685 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643069c5-8ac7-431a-aa62-f06ba38940a8/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml
[2024-12-02 11:02:48,686 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643069c5-8ac7-431a-aa62-f06ba38940a8/bin/uautomizer-verify-84ZbGMXZE1/witness.yml
[2024-12-02 11:02:48,686 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 11:02:48,686 INFO L158 Benchmark]: Toolchain (without parser) took 3190.85ms. Allocated memory was 142.6MB in the beginning and 302.0MB in the end (delta: 159.4MB). Free memory was 116.6MB in the beginning and 260.2MB in the end (delta: -143.6MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB.
[2024-12-02 11:02:48,687 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 142.6MB. Free memory is still 80.8MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 11:02:48,687 INFO L158 Benchmark]: CACSL2BoogieTranslator took 326.85ms. Allocated memory is still 142.6MB. Free memory was 116.3MB in the beginning and 98.2MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 11:02:48,687 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.39ms. Allocated memory is still 142.6MB. Free memory was 98.0MB in the beginning and 96.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 11:02:48,687 INFO L158 Benchmark]: Boogie Preprocessor took 28.18ms. Allocated memory is still 142.6MB. Free memory was 96.3MB in the beginning and 94.7MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 11:02:48,688 INFO L158 Benchmark]: RCFGBuilder took 295.55ms. Allocated memory is still 142.6MB. Free memory was 94.7MB in the beginning and 79.5MB in the end (delta: 15.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 11:02:48,688 INFO L158 Benchmark]: TraceAbstraction took 2371.68ms. Allocated memory was 142.6MB in the beginning and 302.0MB in the end (delta: 159.4MB). Free memory was 79.0MB in the beginning and 271.2MB in the end (delta: -192.2MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB.
[2024-12-02 11:02:48,688 INFO L158 Benchmark]: Witness Printer took 130.33ms. Allocated memory is still 302.0MB. Free memory was 271.2MB in the beginning and 260.2MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 11:02:48,690 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.25ms. Allocated memory is still 142.6MB. Free memory is still 80.8MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 326.85ms. Allocated memory is still 142.6MB. Free memory was 116.3MB in the beginning and 98.2MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 33.39ms. Allocated memory is still 142.6MB. Free memory was 98.0MB in the beginning and 96.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 28.18ms. Allocated memory is still 142.6MB. Free memory was 96.3MB in the beginning and 94.7MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* RCFGBuilder took 295.55ms. Allocated memory is still 142.6MB. Free memory was 94.7MB in the beginning and 79.5MB in the end (delta: 15.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* TraceAbstraction took 2371.68ms. Allocated memory was 142.6MB in the beginning and 302.0MB in the end (delta: 159.4MB). Free memory was 79.0MB in the beginning and 271.2MB in the end (delta: -192.2MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB.
* Witness Printer took 130.33ms. Allocated memory is still 302.0MB. Free memory was 271.2MB in the beginning and 260.2MB in the end (delta: 11.0MB). 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,"libacc.i","") [49]
- GenericResultAtLocation [Line: 415]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [415]
- GenericResultAtLocation [Line: 519]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [519]
- GenericResultAtLocation [Line: 554]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [554]
- GenericResultAtLocation [Line: 619]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [619]
- GenericResultAtLocation [Line: 718]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [718]
- GenericResultAtLocation [Line: 874]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [874]
- GenericResultAtLocation [Line: 883]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [883]
* 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
- CounterExampleResult [Line: 879]: a call to reach_error is reachable
a call to reach_error is reachable
We found a FailurePath:
[L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
[L416] int cleanupTimeShifts = 4;
[L625] int waterLevel = 1;
[L626] int methaneLevelCritical = 0;
[L722] int pumpRunning = 0;
[L723] int systemActive = 1;
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L497] int retValue_acc ;
[L498] int tmp ;
[L502] FCALL select_helpers()
[L503] FCALL select_features()
[L504] CALL, EXPR valid_product()
[L546] int retValue_acc ;
[L549] retValue_acc = 1
[L550] return (retValue_acc);
VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L504] RET, EXPR valid_product()
[L504] tmp = valid_product()
[L506] COND TRUE \read(tmp)
[L508] FCALL setup()
[L509] CALL runTest()
[L488] CALL test()
[L556] int splverifierCounter ;
[L557] int tmp ;
[L558] int tmp___0 ;
[L559] int tmp___1 ;
[L560] int tmp___2 ;
[L563] splverifierCounter = 0
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L567] COND TRUE splverifierCounter < 4
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L573] tmp = __VERIFIER_nondet_int()
[L575] COND TRUE \read(tmp)
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L577] CALL waterRise()
VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L643] COND TRUE waterLevel < 2
[L644] waterLevel = waterLevel + 1
VAL [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L577] RET waterRise()
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2]
[L583] tmp___0 = __VERIFIER_nondet_int()
[L585] COND FALSE !(\read(tmp___0))
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2]
[L593] tmp___2 = __VERIFIER_nondet_int()
[L595] COND TRUE \read(tmp___2)
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=2]
[L608] CALL timeShift()
VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L730] COND FALSE !(\read(pumpRunning))
VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L737] COND TRUE \read(systemActive)
[L739] CALL processEnvironment()
[L759] int tmp ;
VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L762] COND TRUE ! pumpRunning
[L764] CALL, EXPR isHighWaterLevel()
[L856] int retValue_acc ;
[L857] int tmp ;
[L858] int tmp___0 ;
[L862] CALL, EXPR isHighWaterSensorDry()
[L705] int retValue_acc ;
VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L708] COND FALSE !(waterLevel < 2)
[L712] retValue_acc = 0
[L713] return (retValue_acc);
VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L862] RET, EXPR isHighWaterSensorDry()
[L862] tmp = isHighWaterSensorDry()
[L864] COND FALSE !(\read(tmp))
[L867] tmp___0 = 1
VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp___0=1, waterLevel=2]
[L869] retValue_acc = tmp___0
[L870] return (retValue_acc);
VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L764] RET, EXPR isHighWaterLevel()
[L764] tmp = isHighWaterLevel()
[L766] COND TRUE \read(tmp)
[L768] CALL activatePump()
[L787] pumpRunning = 1
VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2]
[L768] RET activatePump()
[L739] RET processEnvironment()
[L745] CALL __utac_acc__Specification4_spec__1()
[L885] int tmp ;
[L886] int tmp___0 ;
[L890] CALL, EXPR getWaterLevel()
[L696] int retValue_acc ;
[L699] retValue_acc = waterLevel
[L700] return (retValue_acc);
VAL [\old(pumpRunning)=0, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2]
[L890] RET, EXPR getWaterLevel()
[L890] tmp = getWaterLevel()
[L892] COND FALSE !(tmp == 0)
VAL [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2]
[L745] RET __utac_acc__Specification4_spec__1()
[L608] RET timeShift()
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, waterLevel=2]
[L567] COND TRUE splverifierCounter < 4
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, waterLevel=2]
[L573] tmp = __VERIFIER_nondet_int()
[L575] COND FALSE !(\read(tmp))
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, waterLevel=2]
[L583] tmp___0 = __VERIFIER_nondet_int()
[L585] COND FALSE !(\read(tmp___0))
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, waterLevel=2]
[L593] tmp___2 = __VERIFIER_nondet_int()
[L595] COND TRUE \read(tmp___2)
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, waterLevel=2]
[L608] CALL timeShift()
VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2]
[L730] COND TRUE \read(pumpRunning)
[L732] CALL lowerWaterLevel()
[L631] COND TRUE waterLevel > 0
[L632] waterLevel = waterLevel - 1
VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L732] RET lowerWaterLevel()
[L737] COND TRUE \read(systemActive)
[L739] CALL processEnvironment()
[L759] int tmp ;
VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L762] COND FALSE !(! pumpRunning)
VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L777] FCALL processEnvironment__wrappee__base()
VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L739] RET processEnvironment()
[L745] CALL __utac_acc__Specification4_spec__1()
[L885] int tmp ;
[L886] int tmp___0 ;
[L890] CALL, EXPR getWaterLevel()
[L696] int retValue_acc ;
[L699] retValue_acc = waterLevel
[L700] return (retValue_acc);
VAL [\old(pumpRunning)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L890] RET, EXPR getWaterLevel()
[L890] tmp = getWaterLevel()
[L892] COND FALSE !(tmp == 0)
VAL [\old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L745] RET __utac_acc__Specification4_spec__1()
[L608] RET timeShift()
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, waterLevel=1]
[L567] COND TRUE splverifierCounter < 4
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, waterLevel=1]
[L573] tmp = __VERIFIER_nondet_int()
[L575] COND FALSE !(\read(tmp))
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, waterLevel=1]
[L583] tmp___0 = __VERIFIER_nondet_int()
[L585] COND FALSE !(\read(tmp___0))
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, waterLevel=1]
[L593] tmp___2 = __VERIFIER_nondet_int()
[L595] COND TRUE \read(tmp___2)
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, waterLevel=1]
[L608] CALL timeShift()
VAL [\old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1]
[L730] COND TRUE \read(pumpRunning)
[L732] CALL lowerWaterLevel()
[L631] COND TRUE waterLevel > 0
[L632] waterLevel = waterLevel - 1
VAL [\old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L732] RET lowerWaterLevel()
[L737] COND TRUE \read(systemActive)
[L739] CALL processEnvironment()
[L759] int tmp ;
VAL [\old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L762] COND FALSE !(! pumpRunning)
VAL [\old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L777] FCALL processEnvironment__wrappee__base()
VAL [\old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L739] RET processEnvironment()
[L745] CALL __utac_acc__Specification4_spec__1()
[L885] int tmp ;
[L886] int tmp___0 ;
[L890] CALL, EXPR getWaterLevel()
[L696] int retValue_acc ;
[L699] retValue_acc = waterLevel
[L700] return (retValue_acc);
VAL [\old(pumpRunning)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L890] RET, EXPR getWaterLevel()
[L890] tmp = getWaterLevel()
[L892] COND TRUE tmp == 0
[L894] CALL, EXPR isPumpRunning()
[L811] int retValue_acc ;
[L814] retValue_acc = pumpRunning
[L815] return (retValue_acc);
VAL [\old(pumpRunning)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
[L894] RET, EXPR isPumpRunning()
[L894] tmp___0 = isPumpRunning()
[L896] COND TRUE \read(tmp___0)
[L898] CALL __automaton_fail()
[L879] reach_error()
VAL [\old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0]
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 6 procedures, 68 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 317 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 314 mSDsluCounter, 2083 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1294 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 182 IncrementalHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 789 mSDtfsCounter, 182 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 172 GetRequests, 135 SyntacticMatches, 5 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=249occurred in iteration=11, InterpolantAutomatonStates: 46, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 30 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 493 NumberOfCodeBlocks, 493 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 457 ConstructedInterpolants, 0 QuantifiedInterpolants, 837 SizeOfPredicates, 2 NumberOfNonLiveVariables, 223 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 13 InterpolantComputations, 10 PerfectInterpolantSequences, 33/45 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
RESULT: Ultimate proved your program to be incorrect!
[2024-12-02 11:02:48,704 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643069c5-8ac7-431a-aa62-f06ba38940a8/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
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE