./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product62.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_57c32e03-fbd6-45d3-b49b-f00067f2fba5/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c32e03-fbd6-45d3-b49b-f00067f2fba5/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_57c32e03-fbd6-45d3-b49b-f00067f2fba5/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c32e03-fbd6-45d3-b49b-f00067f2fba5/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product62.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c32e03-fbd6-45d3-b49b-f00067f2fba5/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_57c32e03-fbd6-45d3-b49b-f00067f2fba5/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 34b47c00ac265c7154b048b065075686f0b0d02157935b615817b802464c404c
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 06:24:08,204 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 06:24:08,263 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c32e03-fbd6-45d3-b49b-f00067f2fba5/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-12-02 06:24:08,267 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 06:24:08,268 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 06:24:08,288 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 06:24:08,289 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 06:24:08,289 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 06:24:08,289 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 06:24:08,290 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 06:24:08,290 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 06:24:08,290 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 06:24:08,290 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 06:24:08,290 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 06:24:08,290 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 06:24:08,290 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 06:24:08,290 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-02 06:24:08,291 INFO L153 SettingsManager]: * sizeof long=4
[2024-12-02 06:24:08,291 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-02 06:24:08,291 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-12-02 06:24:08,291 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 06:24:08,291 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 06:24:08,291 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 06:24:08,291 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 06:24:08,291 INFO L153 SettingsManager]: * sizeof long double=12
[2024-12-02 06:24:08,291 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 06:24:08,291 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 06:24:08,291 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 06:24:08,291 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 06:24:08,292 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 06:24:08,292 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 06:24:08,292 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 06:24:08,292 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 06:24:08,292 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 06:24:08,292 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 06:24:08,292 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 06:24:08,292 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 06:24:08,292 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 06:24:08,292 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 06:24:08,292 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 06:24:08,292 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-02 06:24:08,293 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 06:24:08,293 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-12-02 06:24:08,293 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 06:24:08,293 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 06:24:08,293 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 06:24:08,293 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 06:24:08,293 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 06:24:08,293 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_57c32e03-fbd6-45d3-b49b-f00067f2fba5/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 -> 34b47c00ac265c7154b048b065075686f0b0d02157935b615817b802464c404c
[2024-12-02 06:24:08,530 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 06:24:08,538 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 06:24:08,541 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 06:24:08,542 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 06:24:08,543 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 06:24:08,544 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c32e03-fbd6-45d3-b49b-f00067f2fba5/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/product-lines/minepump_spec5_product62.cil.c
[2024-12-02 06:24:11,191 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c32e03-fbd6-45d3-b49b-f00067f2fba5/bin/uautomizer-verify-84ZbGMXZE1/data/232a4ab1c/680e7310c8094829a20ad71dbf4c246b/FLAG40348210b
[2024-12-02 06:24:11,413 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 06:24:11,413 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c32e03-fbd6-45d3-b49b-f00067f2fba5/sv-benchmarks/c/product-lines/minepump_spec5_product62.cil.c
[2024-12-02 06:24:11,426 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c32e03-fbd6-45d3-b49b-f00067f2fba5/bin/uautomizer-verify-84ZbGMXZE1/data/232a4ab1c/680e7310c8094829a20ad71dbf4c246b/FLAG40348210b
[2024-12-02 06:24:11,441 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c32e03-fbd6-45d3-b49b-f00067f2fba5/bin/uautomizer-verify-84ZbGMXZE1/data/232a4ab1c/680e7310c8094829a20ad71dbf4c246b
[2024-12-02 06:24:11,443 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 06:24:11,444 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 06:24:11,446 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 06:24:11,446 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 06:24:11,450 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 06:24:11,451 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:24:11" (1/1) ...
[2024-12-02 06:24:11,452 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3be6844c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:24:11, skipping insertion in model container
[2024-12-02 06:24:11,452 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:24:11" (1/1) ...
[2024-12-02 06:24:11,478 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 06:24:11,718 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_57c32e03-fbd6-45d3-b49b-f00067f2fba5/sv-benchmarks/c/product-lines/minepump_spec5_product62.cil.c[19180,19193]
[2024-12-02 06:24:11,724 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 06:24:11,733 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 06:24:11,741 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [49]
[2024-12-02 06:24:11,742 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [313]
[2024-12-02 06:24:11,742 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [364]
[2024-12-02 06:24:11,742 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [434]
[2024-12-02 06:24:11,742 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [800]
[2024-12-02 06:24:11,742 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [903]
[2024-12-02 06:24:11,742 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1003]
[2024-12-02 06:24:11,743 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1012]
[2024-12-02 06:24:11,785 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_57c32e03-fbd6-45d3-b49b-f00067f2fba5/sv-benchmarks/c/product-lines/minepump_spec5_product62.cil.c[19180,19193]
[2024-12-02 06:24:11,786 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 06:24:11,804 INFO L204 MainTranslator]: Completed translation
[2024-12-02 06:24:11,804 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:24:11 WrapperNode
[2024-12-02 06:24:11,805 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 06:24:11,805 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 06:24:11,805 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 06:24:11,806 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 06:24:11,812 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:24:11" (1/1) ...
[2024-12-02 06:24:11,822 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:24:11" (1/1) ...
[2024-12-02 06:24:11,842 INFO L138 Inliner]: procedures = 60, calls = 108, calls flagged for inlining = 26, calls inlined = 23, statements flattened = 243
[2024-12-02 06:24:11,842 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 06:24:11,843 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 06:24:11,843 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 06:24:11,843 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 06:24:11,851 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:24:11" (1/1) ...
[2024-12-02 06:24:11,851 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:24:11" (1/1) ...
[2024-12-02 06:24:11,853 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:24:11" (1/1) ...
[2024-12-02 06:24:11,866 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 06:24:11,866 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:24:11" (1/1) ...
[2024-12-02 06:24:11,866 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:24:11" (1/1) ...
[2024-12-02 06:24:11,870 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:24:11" (1/1) ...
[2024-12-02 06:24:11,871 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:24:11" (1/1) ...
[2024-12-02 06:24:11,875 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:24:11" (1/1) ...
[2024-12-02 06:24:11,876 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:24:11" (1/1) ...
[2024-12-02 06:24:11,877 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:24:11" (1/1) ...
[2024-12-02 06:24:11,879 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 06:24:11,880 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 06:24:11,880 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 06:24:11,880 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 06:24:11,881 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:24:11" (1/1) ...
[2024-12-02 06:24:11,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 06:24:11,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c32e03-fbd6-45d3-b49b-f00067f2fba5/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 06:24:11,908 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c32e03-fbd6-45d3-b49b-f00067f2fba5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 06:24:11,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c32e03-fbd6-45d3-b49b-f00067f2fba5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 06:24:11,932 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 06:24:11,932 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2024-12-02 06:24:11,932 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2024-12-02 06:24:11,932 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup
[2024-12-02 06:24:11,933 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup
[2024-12-02 06:24:11,933 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift
[2024-12-02 06:24:11,933 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift
[2024-12-02 06:24:11,933 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor
[2024-12-02 06:24:11,933 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor
[2024-12-02 06:24:11,933 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise
[2024-12-02 06:24:11,933 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise
[2024-12-02 06:24:11,933 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery
[2024-12-02 06:24:11,933 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery
[2024-12-02 06:24:11,933 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning
[2024-12-02 06:24:11,933 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2024-12-02 06:24:11,933 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2024-12-02 06:24:11,933 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2024-12-02 06:24:11,934 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump
[2024-12-02 06:24:11,934 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump
[2024-12-02 06:24:11,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-02 06:24:11,934 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2024-12-02 06:24:11,934 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2024-12-02 06:24:11,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 06:24:11,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 06:24:11,998 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 06:24:11,999 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 06:24:12,236 INFO L? ?]: Removed 52 outVars from TransFormulas that were not future-live.
[2024-12-02 06:24:12,236 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 06:24:12,246 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 06:24:12,246 INFO L312 CfgBuilder]: Removed 4 assume(true) statements.
[2024-12-02 06:24:12,246 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:24:12 BoogieIcfgContainer
[2024-12-02 06:24:12,246 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 06:24:12,249 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 06:24:12,249 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 06:24:12,253 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-02 06:24:12,253 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:24:11" (1/3) ...
[2024-12-02 06:24:12,254 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2eb84e34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:24:12, skipping insertion in model container
[2024-12-02 06:24:12,254 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:24:11" (2/3) ...
[2024-12-02 06:24:12,254 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2eb84e34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:24:12, skipping insertion in model container
[2024-12-02 06:24:12,254 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:24:12" (3/3) ...
[2024-12-02 06:24:12,255 INFO L128 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product62.cil.c
[2024-12-02 06:24:12,270 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 06:24:12,271 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG minepump_spec5_product62.cil.c that has 11 procedures, 112 locations, 1 initial locations, 2 loop locations, and 1 error locations.
[2024-12-02 06:24:12,323 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 06:24:12,334 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;@1e7d14dc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 06:24:12,334 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-12-02 06:24:12,338 INFO L276 IsEmpty]: Start isEmpty. Operand has 112 states, 82 states have (on average 1.3658536585365855) internal successors, (112), 92 states have internal predecessors, (112), 18 states have call successors, (18), 10 states have call predecessors, (18), 10 states have return successors, (18), 13 states have call predecessors, (18), 18 states have call successors, (18)
[2024-12-02 06:24:12,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33
[2024-12-02 06:24:12,346 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:24:12,347 INFO L218 NwaCegarLoop]: trace histogram [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]
[2024-12-02 06:24:12,347 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:24:12,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:24:12,352 INFO L85 PathProgramCache]: Analyzing trace with hash 1752522200, now seen corresponding path program 1 times
[2024-12-02 06:24:12,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:24:12,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743273983]
[2024-12-02 06:24:12,360 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:24:12,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:24:12,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:24:12,498 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2024-12-02 06:24:12,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:24:12,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743273983]
[2024-12-02 06:24:12,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1743273983] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:24:12,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:24:12,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 06:24:12,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696475450]
[2024-12-02 06:24:12,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:24:12,504 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-12-02 06:24:12,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:24:12,520 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-12-02 06:24:12,521 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-12-02 06:24:12,523 INFO L87 Difference]: Start difference. First operand has 112 states, 82 states have (on average 1.3658536585365855) internal successors, (112), 92 states have internal predecessors, (112), 18 states have call successors, (18), 10 states have call predecessors, (18), 10 states have return successors, (18), 13 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 06:24:12,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:24:12,552 INFO L93 Difference]: Finished difference Result 215 states and 290 transitions.
[2024-12-02 06:24:12,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-12-02 06:24:12,553 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32
[2024-12-02 06:24:12,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:24:12,560 INFO L225 Difference]: With dead ends: 215
[2024-12-02 06:24:12,560 INFO L226 Difference]: Without dead ends: 103
[2024-12-02 06:24:12,563 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 06:24:12,566 INFO L435 NwaCegarLoop]: 142 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, 142 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 06:24:12,566 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 06:24:12,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states.
[2024-12-02 06:24:12,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103.
[2024-12-02 06:24:12,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 75 states have (on average 1.3066666666666666) internal successors, (98), 84 states have internal predecessors, (98), 18 states have call successors, (18), 10 states have call predecessors, (18), 9 states have return successors, (17), 12 states have call predecessors, (17), 17 states have call successors, (17)
[2024-12-02 06:24:12,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 133 transitions.
[2024-12-02 06:24:12,607 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 133 transitions. Word has length 32
[2024-12-02 06:24:12,607 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:24:12,607 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 133 transitions.
[2024-12-02 06:24:12,608 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 06:24:12,608 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 133 transitions.
[2024-12-02 06:24:12,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33
[2024-12-02 06:24:12,610 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:24:12,610 INFO L218 NwaCegarLoop]: trace histogram [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]
[2024-12-02 06:24:12,610 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-02 06:24:12,610 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:24:12,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:24:12,611 INFO L85 PathProgramCache]: Analyzing trace with hash 1350481682, now seen corresponding path program 1 times
[2024-12-02 06:24:12,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:24:12,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766435744]
[2024-12-02 06:24:12,611 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:24:12,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:24:12,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:24:12,711 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2024-12-02 06:24:12,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:24:12,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766435744]
[2024-12-02 06:24:12,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766435744] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:24:12,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:24:12,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 06:24:12,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028310298]
[2024-12-02 06:24:12,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:24:12,712 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 06:24:12,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:24:12,713 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 06:24:12,713 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 06:24:12,713 INFO L87 Difference]: Start difference. First operand 103 states and 133 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 06:24:12,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:24:12,734 INFO L93 Difference]: Finished difference Result 172 states and 222 transitions.
[2024-12-02 06:24:12,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 06:24:12,734 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32
[2024-12-02 06:24:12,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:24:12,736 INFO L225 Difference]: With dead ends: 172
[2024-12-02 06:24:12,736 INFO L226 Difference]: Without dead ends: 95
[2024-12-02 06:24:12,736 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 06:24:12,737 INFO L435 NwaCegarLoop]: 121 mSDtfsCounter, 13 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 226 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 06:24:12,738 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 226 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 06:24:12,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states.
[2024-12-02 06:24:12,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95.
[2024-12-02 06:24:12,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 70 states have (on average 1.3142857142857143) internal successors, (92), 79 states have internal predecessors, (92), 15 states have call successors, (15), 9 states have call predecessors, (15), 9 states have return successors, (15), 10 states have call predecessors, (15), 15 states have call successors, (15)
[2024-12-02 06:24:12,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 122 transitions.
[2024-12-02 06:24:12,749 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 122 transitions. Word has length 32
[2024-12-02 06:24:12,749 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:24:12,749 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 122 transitions.
[2024-12-02 06:24:12,749 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-12-02 06:24:12,749 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 122 transitions.
[2024-12-02 06:24:12,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38
[2024-12-02 06:24:12,751 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:24:12,751 INFO L218 NwaCegarLoop]: trace histogram [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]
[2024-12-02 06:24:12,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-02 06:24:12,751 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:24:12,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:24:12,752 INFO L85 PathProgramCache]: Analyzing trace with hash 514528396, now seen corresponding path program 1 times
[2024-12-02 06:24:12,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:24:12,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590907561]
[2024-12-02 06:24:12,752 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:24:12,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:24:12,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:24:12,843 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2024-12-02 06:24:12,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:24:12,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590907561]
[2024-12-02 06:24:12,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590907561] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:24:12,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:24:12,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 06:24:12,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896896673]
[2024-12-02 06:24:12,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:24:12,844 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 06:24:12,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:24:12,845 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 06:24:12,845 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 06:24:12,845 INFO L87 Difference]: Start difference. First operand 95 states and 122 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-12-02 06:24:12,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:24:12,866 INFO L93 Difference]: Finished difference Result 182 states and 237 transitions.
[2024-12-02 06:24:12,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 06:24:12,867 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 37
[2024-12-02 06:24:12,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:24:12,868 INFO L225 Difference]: With dead ends: 182
[2024-12-02 06:24:12,868 INFO L226 Difference]: Without dead ends: 95
[2024-12-02 06:24:12,869 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 06:24:12,870 INFO L435 NwaCegarLoop]: 120 mSDtfsCounter, 98 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 06:24:12,870 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 120 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 06:24:12,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states.
[2024-12-02 06:24:12,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95.
[2024-12-02 06:24:12,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 70 states have (on average 1.3) internal successors, (91), 79 states have internal predecessors, (91), 15 states have call successors, (15), 9 states have call predecessors, (15), 9 states have return successors, (15), 10 states have call predecessors, (15), 15 states have call successors, (15)
[2024-12-02 06:24:12,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 121 transitions.
[2024-12-02 06:24:12,882 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 121 transitions. Word has length 37
[2024-12-02 06:24:12,883 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:24:12,883 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 121 transitions.
[2024-12-02 06:24:12,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-12-02 06:24:12,883 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 121 transitions.
[2024-12-02 06:24:12,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51
[2024-12-02 06:24:12,885 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:24:12,885 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:24:12,885 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-12-02 06:24:12,885 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:24:12,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:24:12,886 INFO L85 PathProgramCache]: Analyzing trace with hash -370737036, now seen corresponding path program 1 times
[2024-12-02 06:24:12,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:24:12,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562426649]
[2024-12-02 06:24:12,886 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:24:12,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:24:12,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:24:12,939 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2024-12-02 06:24:12,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:24:12,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562426649]
[2024-12-02 06:24:12,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562426649] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:24:12,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:24:12,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 06:24:12,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826796377]
[2024-12-02 06:24:12,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:24:12,940 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 06:24:12,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:24:12,940 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 06:24:12,940 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 06:24:12,940 INFO L87 Difference]: Start difference. First operand 95 states and 121 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4)
[2024-12-02 06:24:12,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:24:12,991 INFO L93 Difference]: Finished difference Result 238 states and 310 transitions.
[2024-12-02 06:24:12,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 06:24:12,991 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 50
[2024-12-02 06:24:12,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:24:12,993 INFO L225 Difference]: With dead ends: 238
[2024-12-02 06:24:12,993 INFO L226 Difference]: Without dead ends: 151
[2024-12-02 06:24:12,994 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 06:24:12,995 INFO L435 NwaCegarLoop]: 124 mSDtfsCounter, 91 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 06:24:12,995 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 206 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 06:24:12,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states.
[2024-12-02 06:24:13,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 149.
[2024-12-02 06:24:13,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 111 states have (on average 1.2702702702702702) internal successors, (141), 120 states have internal predecessors, (141), 20 states have call successors, (20), 17 states have call predecessors, (20), 17 states have return successors, (26), 18 states have call predecessors, (26), 20 states have call successors, (26)
[2024-12-02 06:24:13,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 187 transitions.
[2024-12-02 06:24:13,014 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 187 transitions. Word has length 50
[2024-12-02 06:24:13,014 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:24:13,014 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 187 transitions.
[2024-12-02 06:24:13,015 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4)
[2024-12-02 06:24:13,015 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 187 transitions.
[2024-12-02 06:24:13,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59
[2024-12-02 06:24:13,016 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:24:13,016 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:24:13,016 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-12-02 06:24:13,017 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:24:13,017 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:24:13,017 INFO L85 PathProgramCache]: Analyzing trace with hash 2005166228, now seen corresponding path program 1 times
[2024-12-02 06:24:13,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:24:13,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953260861]
[2024-12-02 06:24:13,017 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:24:13,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:24:13,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:24:13,189 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-12-02 06:24:13,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:24:13,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953260861]
[2024-12-02 06:24:13,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953260861] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:24:13,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:24:13,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2024-12-02 06:24:13,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433415667]
[2024-12-02 06:24:13,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:24:13,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-12-02 06:24:13,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:24:13,190 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-12-02 06:24:13,191 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2024-12-02 06:24:13,191 INFO L87 Difference]: Start difference. First operand 149 states and 187 transitions. Second operand has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 6 states have internal predecessors, (47), 3 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5)
[2024-12-02 06:24:13,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:24:13,571 INFO L93 Difference]: Finished difference Result 318 states and 401 transitions.
[2024-12-02 06:24:13,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2024-12-02 06:24:13,572 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 6 states have internal predecessors, (47), 3 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) Word has length 58
[2024-12-02 06:24:13,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:24:13,574 INFO L225 Difference]: With dead ends: 318
[2024-12-02 06:24:13,574 INFO L226 Difference]: Without dead ends: 177
[2024-12-02 06:24:13,575 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182
[2024-12-02 06:24:13,576 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 154 mSDsluCounter, 364 mSDsCounter, 0 mSdLazyCounter, 230 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 457 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-12-02 06:24:13,576 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 457 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 230 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-12-02 06:24:13,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states.
[2024-12-02 06:24:13,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 175.
[2024-12-02 06:24:13,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 130 states have (on average 1.2461538461538462) internal successors, (162), 139 states have internal predecessors, (162), 22 states have call successors, (22), 17 states have call predecessors, (22), 22 states have return successors, (33), 24 states have call predecessors, (33), 22 states have call successors, (33)
[2024-12-02 06:24:13,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 217 transitions.
[2024-12-02 06:24:13,597 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 217 transitions. Word has length 58
[2024-12-02 06:24:13,597 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:24:13,597 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 217 transitions.
[2024-12-02 06:24:13,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 6 states have internal predecessors, (47), 3 states have call successors, (6), 2 states have call predecessors, (6), 3 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5)
[2024-12-02 06:24:13,598 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 217 transitions.
[2024-12-02 06:24:13,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65
[2024-12-02 06:24:13,599 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:24:13,599 INFO L218 NwaCegarLoop]: trace histogram [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, 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 06:24:13,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-12-02 06:24:13,599 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:24:13,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:24:13,600 INFO L85 PathProgramCache]: Analyzing trace with hash 496908061, now seen corresponding path program 1 times
[2024-12-02 06:24:13,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:24:13,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885231118]
[2024-12-02 06:24:13,600 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:24:13,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:24:13,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:24:13,709 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2024-12-02 06:24:13,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:24:13,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885231118]
[2024-12-02 06:24:13,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885231118] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:24:13,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:24:13,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 06:24:13,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132815603]
[2024-12-02 06:24:13,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:24:13,710 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 06:24:13,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:24:13,710 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 06:24:13,710 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 06:24:13,711 INFO L87 Difference]: Start difference. First operand 175 states and 217 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)
[2024-12-02 06:24:13,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:24:13,744 INFO L93 Difference]: Finished difference Result 345 states and 442 transitions.
[2024-12-02 06:24:13,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-02 06:24:13,744 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 64
[2024-12-02 06:24:13,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:24:13,746 INFO L225 Difference]: With dead ends: 345
[2024-12-02 06:24:13,746 INFO L226 Difference]: Without dead ends: 178
[2024-12-02 06:24:13,747 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 06:24:13,747 INFO L435 NwaCegarLoop]: 118 mSDtfsCounter, 0 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 06:24:13,748 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 466 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 06:24:13,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states.
[2024-12-02 06:24:13,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 178.
[2024-12-02 06:24:13,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 133 states have (on average 1.2406015037593985) internal successors, (165), 142 states have internal predecessors, (165), 22 states have call successors, (22), 17 states have call predecessors, (22), 22 states have return successors, (33), 24 states have call predecessors, (33), 22 states have call successors, (33)
[2024-12-02 06:24:13,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 220 transitions.
[2024-12-02 06:24:13,766 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 220 transitions. Word has length 64
[2024-12-02 06:24:13,766 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:24:13,766 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 220 transitions.
[2024-12-02 06:24:13,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)
[2024-12-02 06:24:13,767 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 220 transitions.
[2024-12-02 06:24:13,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65
[2024-12-02 06:24:13,768 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:24:13,768 INFO L218 NwaCegarLoop]: trace histogram [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, 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 06:24:13,768 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-12-02 06:24:13,768 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:24:13,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:24:13,769 INFO L85 PathProgramCache]: Analyzing trace with hash 1883111455, now seen corresponding path program 1 times
[2024-12-02 06:24:13,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:24:13,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813299537]
[2024-12-02 06:24:13,769 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:24:13,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:24:13,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:24:13,852 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2024-12-02 06:24:13,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:24:13,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813299537]
[2024-12-02 06:24:13,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813299537] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:24:13,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:24:13,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 06:24:13,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269920338]
[2024-12-02 06:24:13,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:24:13,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 06:24:13,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:24:13,853 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 06:24:13,853 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 06:24:13,854 INFO L87 Difference]: Start difference. First operand 178 states and 220 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)
[2024-12-02 06:24:13,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:24:13,889 INFO L93 Difference]: Finished difference Result 350 states and 447 transitions.
[2024-12-02 06:24:13,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 06:24:13,889 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 64
[2024-12-02 06:24:13,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:24:13,891 INFO L225 Difference]: With dead ends: 350
[2024-12-02 06:24:13,891 INFO L226 Difference]: Without dead ends: 180
[2024-12-02 06:24:13,892 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 06:24:13,893 INFO L435 NwaCegarLoop]: 119 mSDtfsCounter, 0 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 351 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 06:24:13,893 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 351 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 06:24:13,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states.
[2024-12-02 06:24:13,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 180.
[2024-12-02 06:24:13,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 135 states have (on average 1.237037037037037) internal successors, (167), 144 states have internal predecessors, (167), 22 states have call successors, (22), 17 states have call predecessors, (22), 22 states have return successors, (33), 24 states have call predecessors, (33), 22 states have call successors, (33)
[2024-12-02 06:24:13,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 222 transitions.
[2024-12-02 06:24:13,924 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 222 transitions. Word has length 64
[2024-12-02 06:24:13,925 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:24:13,925 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 222 transitions.
[2024-12-02 06:24:13,925 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)
[2024-12-02 06:24:13,925 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 222 transitions.
[2024-12-02 06:24:13,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65
[2024-12-02 06:24:13,926 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:24:13,926 INFO L218 NwaCegarLoop]: trace histogram [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, 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 06:24:13,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-12-02 06:24:13,926 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:24:13,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:24:13,927 INFO L85 PathProgramCache]: Analyzing trace with hash -1710255967, now seen corresponding path program 1 times
[2024-12-02 06:24:13,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:24:13,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188476804]
[2024-12-02 06:24:13,927 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:24:13,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:24:13,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:24:14,029 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2024-12-02 06:24:14,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:24:14,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188476804]
[2024-12-02 06:24:14,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1188476804] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:24:14,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:24:14,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 06:24:14,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121779840]
[2024-12-02 06:24:14,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:24:14,031 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 06:24:14,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:24:14,032 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 06:24:14,032 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 06:24:14,032 INFO L87 Difference]: Start difference. First operand 180 states and 222 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 4 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5)
[2024-12-02 06:24:14,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:24:14,184 INFO L93 Difference]: Finished difference Result 549 states and 703 transitions.
[2024-12-02 06:24:14,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 06:24:14,185 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 4 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) Word has length 64
[2024-12-02 06:24:14,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:24:14,187 INFO L225 Difference]: With dead ends: 549
[2024-12-02 06:24:14,188 INFO L226 Difference]: Without dead ends: 377
[2024-12-02 06:24:14,189 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 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 06:24:14,189 INFO L435 NwaCegarLoop]: 205 mSDtfsCounter, 147 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 398 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 06:24:14,189 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 398 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 06:24:14,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states.
[2024-12-02 06:24:14,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 370.
[2024-12-02 06:24:14,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 370 states, 275 states have (on average 1.221818181818182) internal successors, (336), 291 states have internal predecessors, (336), 48 states have call successors, (48), 38 states have call predecessors, (48), 46 states have return successors, (83), 51 states have call predecessors, (83), 48 states have call successors, (83)
[2024-12-02 06:24:14,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 467 transitions.
[2024-12-02 06:24:14,235 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 467 transitions. Word has length 64
[2024-12-02 06:24:14,235 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:24:14,235 INFO L471 AbstractCegarLoop]: Abstraction has 370 states and 467 transitions.
[2024-12-02 06:24:14,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 4 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5)
[2024-12-02 06:24:14,235 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 467 transitions.
[2024-12-02 06:24:14,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69
[2024-12-02 06:24:14,237 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:24:14,237 INFO L218 NwaCegarLoop]: trace histogram [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, 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 06:24:14,237 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-12-02 06:24:14,237 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:24:14,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:24:14,237 INFO L85 PathProgramCache]: Analyzing trace with hash -1022115193, now seen corresponding path program 1 times
[2024-12-02 06:24:14,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:24:14,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861492874]
[2024-12-02 06:24:14,238 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:24:14,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:24:14,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:24:14,538 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2024-12-02 06:24:14,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:24:14,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861492874]
[2024-12-02 06:24:14,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861492874] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 06:24:14,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 06:24:14,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2024-12-02 06:24:14,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535321428]
[2024-12-02 06:24:14,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 06:24:14,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2024-12-02 06:24:14,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:24:14,540 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2024-12-02 06:24:14,540 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90
[2024-12-02 06:24:14,540 INFO L87 Difference]: Start difference. First operand 370 states and 467 transitions. Second operand has 10 states, 10 states have (on average 5.3) internal successors, (53), 9 states have internal predecessors, (53), 5 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6)
[2024-12-02 06:24:15,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:24:15,183 INFO L93 Difference]: Finished difference Result 966 states and 1289 transitions.
[2024-12-02 06:24:15,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2024-12-02 06:24:15,184 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 9 states have internal predecessors, (53), 5 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) Word has length 68
[2024-12-02 06:24:15,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:24:15,189 INFO L225 Difference]: With dead ends: 966
[2024-12-02 06:24:15,189 INFO L226 Difference]: Without dead ends: 659
[2024-12-02 06:24:15,191 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240
[2024-12-02 06:24:15,192 INFO L435 NwaCegarLoop]: 135 mSDtfsCounter, 534 mSDsluCounter, 424 mSDsCounter, 0 mSdLazyCounter, 310 mSolverCounterSat, 158 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 541 SdHoareTripleChecker+Valid, 559 SdHoareTripleChecker+Invalid, 468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 158 IncrementalHoareTripleChecker+Valid, 310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-12-02 06:24:15,192 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [541 Valid, 559 Invalid, 468 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [158 Valid, 310 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-12-02 06:24:15,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states.
[2024-12-02 06:24:15,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 594.
[2024-12-02 06:24:15,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 594 states, 441 states have (on average 1.2063492063492063) internal successors, (532), 465 states have internal predecessors, (532), 78 states have call successors, (78), 64 states have call predecessors, (78), 74 states have return successors, (139), 79 states have call predecessors, (139), 78 states have call successors, (139)
[2024-12-02 06:24:15,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 594 states and 749 transitions.
[2024-12-02 06:24:15,291 INFO L78 Accepts]: Start accepts. Automaton has 594 states and 749 transitions. Word has length 68
[2024-12-02 06:24:15,291 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:24:15,291 INFO L471 AbstractCegarLoop]: Abstraction has 594 states and 749 transitions.
[2024-12-02 06:24:15,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.3) internal successors, (53), 9 states have internal predecessors, (53), 5 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6)
[2024-12-02 06:24:15,291 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 749 transitions.
[2024-12-02 06:24:15,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122
[2024-12-02 06:24:15,294 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 06:24:15,294 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:24:15,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-12-02 06:24:15,294 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 06:24:15,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:24:15,295 INFO L85 PathProgramCache]: Analyzing trace with hash 92759307, now seen corresponding path program 1 times
[2024-12-02 06:24:15,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 06:24:15,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129264727]
[2024-12-02 06:24:15,295 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:24:15,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:24:15,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:24:15,562 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 8 proven. 20 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked.
[2024-12-02 06:24:15,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 06:24:15,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129264727]
[2024-12-02 06:24:15,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129264727] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 06:24:15,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2048064797]
[2024-12-02 06:24:15,563 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:24:15,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:24:15,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c32e03-fbd6-45d3-b49b-f00067f2fba5/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 06:24:15,565 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c32e03-fbd6-45d3-b49b-f00067f2fba5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 06:24:15,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c32e03-fbd6-45d3-b49b-f00067f2fba5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-12-02 06:24:15,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:24:15,700 INFO L256 TraceCheckSpWp]: Trace formula consists of 387 conjuncts, 8 conjuncts are in the unsatisfiable core
[2024-12-02 06:24:15,710 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 06:24:15,953 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 30 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 06:24:15,953 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 06:24:16,240 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 10 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked.
[2024-12-02 06:24:16,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2048064797] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 06:24:16,241 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 06:24:16,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 6, 6] total 15
[2024-12-02 06:24:16,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473776555]
[2024-12-02 06:24:16,241 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 06:24:16,241 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states
[2024-12-02 06:24:16,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 06:24:16,242 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants.
[2024-12-02 06:24:16,242 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210
[2024-12-02 06:24:16,243 INFO L87 Difference]: Start difference. First operand 594 states and 749 transitions. Second operand has 15 states, 15 states have (on average 10.933333333333334) internal successors, (164), 13 states have internal predecessors, (164), 7 states have call successors, (27), 4 states have call predecessors, (27), 8 states have return successors, (26), 10 states have call predecessors, (26), 7 states have call successors, (26)
[2024-12-02 06:24:16,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:24:16,726 INFO L93 Difference]: Finished difference Result 1236 states and 1592 transitions.
[2024-12-02 06:24:16,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2024-12-02 06:24:16,727 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 10.933333333333334) internal successors, (164), 13 states have internal predecessors, (164), 7 states have call successors, (27), 4 states have call predecessors, (27), 8 states have return successors, (26), 10 states have call predecessors, (26), 7 states have call successors, (26) Word has length 121
[2024-12-02 06:24:16,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 06:24:16,728 INFO L225 Difference]: With dead ends: 1236
[2024-12-02 06:24:16,728 INFO L226 Difference]: Without dead ends: 0
[2024-12-02 06:24:16,731 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 238 SyntacticMatches, 4 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=162, Invalid=488, Unknown=0, NotChecked=0, Total=650
[2024-12-02 06:24:16,732 INFO L435 NwaCegarLoop]: 228 mSDtfsCounter, 248 mSDsluCounter, 1262 mSDsCounter, 0 mSdLazyCounter, 382 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 1490 SdHoareTripleChecker+Invalid, 473 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 382 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-12-02 06:24:16,732 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 1490 Invalid, 473 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 382 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-12-02 06:24:16,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-12-02 06:24:16,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-12-02 06:24:16,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 06:24:16,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-12-02 06:24:16,734 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 121
[2024-12-02 06:24:16,734 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 06:24:16,734 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-12-02 06:24:16,734 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 10.933333333333334) internal successors, (164), 13 states have internal predecessors, (164), 7 states have call successors, (27), 4 states have call predecessors, (27), 8 states have return successors, (26), 10 states have call predecessors, (26), 7 states have call successors, (26)
[2024-12-02 06:24:16,734 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-12-02 06:24:16,734 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-12-02 06:24:16,736 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-12-02 06:24:16,746 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c32e03-fbd6-45d3-b49b-f00067f2fba5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-12-02 06:24:16,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c32e03-fbd6-45d3-b49b-f00067f2fba5/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9
[2024-12-02 06:24:16,939 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:24:16,941 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-12-02 06:24:21,043 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-12-02 06:24:21,057 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 06:24:21 BoogieIcfgContainer
[2024-12-02 06:24:21,057 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-02 06:24:21,058 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 06:24:21,058 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-02 06:24:21,058 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-02 06:24:21,058 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:24:12" (3/4) ...
[2024-12-02 06:24:21,060 INFO L146 WitnessPrinter]: Generating witness for correct program
[2024-12-02 06:24:21,064 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump
[2024-12-02 06:24:21,064 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base
[2024-12-02 06:24:21,064 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel
[2024-12-02 06:24:21,064 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup
[2024-12-02 06:24:21,064 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift
[2024-12-02 06:24:21,064 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor
[2024-12-02 06:24:21,064 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise
[2024-12-02 06:24:21,064 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery
[2024-12-02 06:24:21,064 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning
[2024-12-02 06:24:21,064 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm
[2024-12-02 06:24:21,069 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges
[2024-12-02 06:24:21,069 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges
[2024-12-02 06:24:21,069 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges
[2024-12-02 06:24:21,070 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-12-02 06:24:21,070 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-12-02 06:24:21,144 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c32e03-fbd6-45d3-b49b-f00067f2fba5/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml
[2024-12-02 06:24:21,144 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c32e03-fbd6-45d3-b49b-f00067f2fba5/bin/uautomizer-verify-84ZbGMXZE1/witness.yml
[2024-12-02 06:24:21,144 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 06:24:21,145 INFO L158 Benchmark]: Toolchain (without parser) took 9700.75ms. Allocated memory was 142.6MB in the beginning and 285.2MB in the end (delta: 142.6MB). Free memory was 116.3MB in the beginning and 225.1MB in the end (delta: -108.7MB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB.
[2024-12-02 06:24:21,145 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 06:24:21,145 INFO L158 Benchmark]: CACSL2BoogieTranslator took 359.14ms. Allocated memory is still 142.6MB. Free memory was 116.3MB in the beginning and 97.0MB in the end (delta: 19.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 06:24:21,146 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.72ms. Allocated memory is still 142.6MB. Free memory was 97.0MB in the beginning and 95.0MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 06:24:21,146 INFO L158 Benchmark]: Boogie Preprocessor took 36.56ms. Allocated memory is still 142.6MB. Free memory was 95.0MB in the beginning and 93.0MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 06:24:21,146 INFO L158 Benchmark]: RCFGBuilder took 366.88ms. Allocated memory is still 142.6MB. Free memory was 93.0MB in the beginning and 74.5MB in the end (delta: 18.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 06:24:21,147 INFO L158 Benchmark]: TraceAbstraction took 8808.59ms. Allocated memory was 142.6MB in the beginning and 285.2MB in the end (delta: 142.6MB). Free memory was 73.9MB in the beginning and 231.0MB in the end (delta: -157.1MB). Peak memory consumption was 125.8MB. Max. memory is 16.1GB.
[2024-12-02 06:24:21,147 INFO L158 Benchmark]: Witness Printer took 86.73ms. Allocated memory is still 285.2MB. Free memory was 231.0MB in the beginning and 225.1MB in the end (delta: 6.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 06:24:21,148 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 359.14ms. Allocated memory is still 142.6MB. Free memory was 116.3MB in the beginning and 97.0MB in the end (delta: 19.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 36.72ms. Allocated memory is still 142.6MB. Free memory was 97.0MB in the beginning and 95.0MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 36.56ms. Allocated memory is still 142.6MB. Free memory was 95.0MB in the beginning and 93.0MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 366.88ms. Allocated memory is still 142.6MB. Free memory was 93.0MB in the beginning and 74.5MB in the end (delta: 18.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 8808.59ms. Allocated memory was 142.6MB in the beginning and 285.2MB in the end (delta: 142.6MB). Free memory was 73.9MB in the beginning and 231.0MB in the end (delta: -157.1MB). Peak memory consumption was 125.8MB. Max. memory is 16.1GB.
* Witness Printer took 86.73ms. Allocated memory is still 285.2MB. Free memory was 231.0MB in the beginning and 225.1MB in the end (delta: 6.0MB). 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,"MinePump.i","") [49]
- GenericResultAtLocation [Line: 313]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [313]
- GenericResultAtLocation [Line: 364]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [364]
- GenericResultAtLocation [Line: 434]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [434]
- GenericResultAtLocation [Line: 800]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [800]
- GenericResultAtLocation [Line: 903]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [903]
- GenericResultAtLocation [Line: 1003]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1003]
- GenericResultAtLocation [Line: 1012]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [1012]
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- PositiveResult [Line: 1008]: a call to reach_error is unreachable
For all program executions holds that a call to reach_error is unreachable at this location
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 11 procedures, 112 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.6s, OverallIterations: 10, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1304 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1285 mSDsluCounter, 4415 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3010 mSDsCounter, 306 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1039 IncrementalHoareTripleChecker+Invalid, 1345 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 306 mSolverCounterUnsat, 1405 mSDtfsCounter, 1039 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 329 GetRequests, 265 SyntacticMatches, 4 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=594occurred in iteration=9, InterpolantAutomatonStates: 60, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 76 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 711 NumberOfCodeBlocks, 711 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 820 ConstructedInterpolants, 0 QuantifiedInterpolants, 1573 SizeOfPredicates, 2 NumberOfNonLiveVariables, 387 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 109/150 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
- InvariantResult [Line: 915]: Loop Invariant
Derived loop invariant: 0
- InvariantResult [Line: 377]: Location Invariant
Derived location invariant: 0
- InvariantResult [Line: 378]: Loop Invariant
Derived loop invariant: (((((((1 == systemActive) && (splverifierCounter == 0)) && (waterLevel <= 2)) && (1 <= switchedOnBeforeTS)) && (pumpRunning == 1)) || ((((pumpRunning == 0) && (1 == systemActive)) && (splverifierCounter == 0)) && (waterLevel <= 2))) || ((((2 == waterLevel) && (1 == systemActive)) && (splverifierCounter == 0)) && (pumpRunning == 1)))
RESULT: Ultimate proved your program to be correct!
[2024-12-02 06:24:21,166 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57c32e03-fbd6-45d3-b49b-f00067f2fba5/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE