./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product38.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_43987e34-19ad-4231-9e31-c2f13402bf92/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43987e34-19ad-4231-9e31-c2f13402bf92/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_43987e34-19ad-4231-9e31-c2f13402bf92/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43987e34-19ad-4231-9e31-c2f13402bf92/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product38.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43987e34-19ad-4231-9e31-c2f13402bf92/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_43987e34-19ad-4231-9e31-c2f13402bf92/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 68c6d60a43782147acd714b0904a144255717c2aa47fb6b6f8991672a1483369
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 12:58:49,969 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 12:58:50,023 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43987e34-19ad-4231-9e31-c2f13402bf92/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-12-02 12:58:50,027 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 12:58:50,028 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 12:58:50,047 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 12:58:50,048 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 12:58:50,048 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 12:58:50,048 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 12:58:50,048 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 12:58:50,049 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 12:58:50,049 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 12:58:50,049 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 12:58:50,049 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 12:58:50,049 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 12:58:50,049 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 12:58:50,049 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-02 12:58:50,050 INFO L153 SettingsManager]: * sizeof long=4
[2024-12-02 12:58:50,050 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-02 12:58:50,050 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-12-02 12:58:50,050 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 12:58:50,050 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 12:58:50,050 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 12:58:50,050 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 12:58:50,050 INFO L153 SettingsManager]: * sizeof long double=12
[2024-12-02 12:58:50,050 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 12:58:50,050 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 12:58:50,050 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 12:58:50,051 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 12:58:50,051 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 12:58:50,051 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 12:58:50,051 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 12:58:50,051 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 12:58:50,051 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 12:58:50,051 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 12:58:50,051 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 12:58:50,051 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 12:58:50,052 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 12:58:50,052 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 12:58:50,052 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 12:58:50,052 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-02 12:58:50,052 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 12:58:50,052 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-12-02 12:58:50,052 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 12:58:50,052 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 12:58:50,052 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 12:58:50,052 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 12:58:50,053 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 12:58:50,053 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_43987e34-19ad-4231-9e31-c2f13402bf92/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 -> 68c6d60a43782147acd714b0904a144255717c2aa47fb6b6f8991672a1483369
[2024-12-02 12:58:50,262 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 12:58:50,269 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 12:58:50,271 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 12:58:50,272 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 12:58:50,272 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 12:58:50,274 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43987e34-19ad-4231-9e31-c2f13402bf92/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/product-lines/minepump_spec5_product38.cil.c
[2024-12-02 12:58:52,888 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43987e34-19ad-4231-9e31-c2f13402bf92/bin/uautomizer-verify-84ZbGMXZE1/data/fa56d658b/2a6a197c96374f838c31d8f5aa21ee27/FLAGea30e6209
[2024-12-02 12:58:53,141 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 12:58:53,142 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43987e34-19ad-4231-9e31-c2f13402bf92/sv-benchmarks/c/product-lines/minepump_spec5_product38.cil.c
[2024-12-02 12:58:53,152 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43987e34-19ad-4231-9e31-c2f13402bf92/bin/uautomizer-verify-84ZbGMXZE1/data/fa56d658b/2a6a197c96374f838c31d8f5aa21ee27/FLAGea30e6209
[2024-12-02 12:58:53,452 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43987e34-19ad-4231-9e31-c2f13402bf92/bin/uautomizer-verify-84ZbGMXZE1/data/fa56d658b/2a6a197c96374f838c31d8f5aa21ee27
[2024-12-02 12:58:53,454 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 12:58:53,455 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 12:58:53,456 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 12:58:53,456 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 12:58:53,459 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 12:58:53,460 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:58:53" (1/1) ...
[2024-12-02 12:58:53,460 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77615d9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:58:53, skipping insertion in model container
[2024-12-02 12:58:53,460 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:58:53" (1/1) ...
[2024-12-02 12:58:53,485 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 12:58:53,593 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_43987e34-19ad-4231-9e31-c2f13402bf92/sv-benchmarks/c/product-lines/minepump_spec5_product38.cil.c[1605,1618]
[2024-12-02 12:58:53,691 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 12:58:53,700 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 12:58:53,706 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49]
[2024-12-02 12:58:53,707 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [58]
[2024-12-02 12:58:53,708 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [164]
[2024-12-02 12:58:53,708 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [215]
[2024-12-02 12:58:53,708 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [581]
[2024-12-02 12:58:53,708 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [679]
[2024-12-02 12:58:53,708 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [871]
[2024-12-02 12:58:53,708 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [906]
[2024-12-02 12:58:53,711 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_43987e34-19ad-4231-9e31-c2f13402bf92/sv-benchmarks/c/product-lines/minepump_spec5_product38.cil.c[1605,1618]
[2024-12-02 12:58:53,758 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 12:58:53,773 INFO L204 MainTranslator]: Completed translation
[2024-12-02 12:58:53,774 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:58:53 WrapperNode
[2024-12-02 12:58:53,774 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 12:58:53,775 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 12:58:53,775 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 12:58:53,775 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 12:58:53,780 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:58:53" (1/1) ...
[2024-12-02 12:58:53,790 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:58:53" (1/1) ...
[2024-12-02 12:58:53,808 INFO L138 Inliner]: procedures = 56, calls = 101, calls flagged for inlining = 25, calls inlined = 22, statements flattened = 205
[2024-12-02 12:58:53,808 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 12:58:53,809 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 12:58:53,809 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 12:58:53,809 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 12:58:53,815 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:58:53" (1/1) ...
[2024-12-02 12:58:53,815 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:58:53" (1/1) ...
[2024-12-02 12:58:53,817 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:58:53" (1/1) ...
[2024-12-02 12:58:53,831 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 12:58:53,831 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:58:53" (1/1) ...
[2024-12-02 12:58:53,831 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:58:53" (1/1) ...
[2024-12-02 12:58:53,835 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:58:53" (1/1) ...
[2024-12-02 12:58:53,836 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:58:53" (1/1) ...
[2024-12-02 12:58:53,840 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:58:53" (1/1) ...
[2024-12-02 12:58:53,841 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:58:53" (1/1) ...
[2024-12-02 12:58:53,842 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:58:53" (1/1) ...
[2024-12-02 12:58:53,844 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 12:58:53,844 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 12:58:53,844 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 12:58:53,845 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 12:58:53,845 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:58:53" (1/1) ...
[2024-12-02 12:58:53,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 12:58:53,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43987e34-19ad-4231-9e31-c2f13402bf92/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 12:58:53,870 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43987e34-19ad-4231-9e31-c2f13402bf92/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 12:58:53,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43987e34-19ad-4231-9e31-c2f13402bf92/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 12:58:53,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 12:58:53,891 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2024-12-02 12:58:53,891 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2024-12-02 12:58:53,891 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift
[2024-12-02 12:58:53,891 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift
[2024-12-02 12:58:53,891 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup
[2024-12-02 12:58:53,891 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup
[2024-12-02 12:58:53,891 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor
[2024-12-02 12:58:53,891 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor
[2024-12-02 12:58:53,891 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise
[2024-12-02 12:58:53,891 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise
[2024-12-02 12:58:53,891 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning
[2024-12-02 12:58:53,891 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning
[2024-12-02 12:58:53,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-02 12:58:53,892 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2024-12-02 12:58:53,892 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2024-12-02 12:58:53,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 12:58:53,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 12:58:53,951 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 12:58:53,953 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 12:58:54,152 INFO L? ?]: Removed 42 outVars from TransFormulas that were not future-live.
[2024-12-02 12:58:54,152 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 12:58:54,162 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 12:58:54,162 INFO L312 CfgBuilder]: Removed 4 assume(true) statements.
[2024-12-02 12:58:54,162 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:58:54 BoogieIcfgContainer
[2024-12-02 12:58:54,162 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 12:58:54,163 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 12:58:54,163 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 12:58:54,167 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-02 12:58:54,168 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:58:53" (1/3) ...
[2024-12-02 12:58:54,168 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9ecc572 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:58:54, skipping insertion in model container
[2024-12-02 12:58:54,168 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:58:53" (2/3) ...
[2024-12-02 12:58:54,168 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9ecc572 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:58:54, skipping insertion in model container
[2024-12-02 12:58:54,168 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:58:54" (3/3) ...
[2024-12-02 12:58:54,169 INFO L128 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product38.cil.c
[2024-12-02 12:58:54,183 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 12:58:54,185 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG minepump_spec5_product38.cil.c that has 8 procedures, 89 locations, 1 initial locations, 2 loop locations, and 1 error locations.
[2024-12-02 12:58:54,230 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 12:58:54,240 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;@7a8a9d0b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 12:58:54,241 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-12-02 12:58:54,244 INFO L276 IsEmpty]: Start isEmpty. Operand has 89 states, 68 states have (on average 1.3823529411764706) internal successors, (94), 76 states have internal predecessors, (94), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12)
[2024-12-02 12:58:54,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33
[2024-12-02 12:58:54,251 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:58:54,251 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 12:58:54,252 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:58:54,255 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:58:54,255 INFO L85 PathProgramCache]: Analyzing trace with hash 211838989, now seen corresponding path program 1 times
[2024-12-02 12:58:54,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:58:54,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775256032]
[2024-12-02 12:58:54,261 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:58:54,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:58:54,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:58:54,403 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 12:58:54,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:58:54,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775256032]
[2024-12-02 12:58:54,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775256032] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:58:54,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:58:54,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 12:58:54,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557789661]
[2024-12-02 12:58:54,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:58:54,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-12-02 12:58:54,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:58:54,427 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-12-02 12:58:54,427 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-12-02 12:58:54,429 INFO L87 Difference]: Start difference. First operand has 89 states, 68 states have (on average 1.3823529411764706) internal successors, (94), 76 states have internal predecessors, (94), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) 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 12:58:54,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:58:54,452 INFO L93 Difference]: Finished difference Result 169 states and 230 transitions.
[2024-12-02 12:58:54,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-12-02 12:58:54,454 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 12:58:54,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:58:54,459 INFO L225 Difference]: With dead ends: 169
[2024-12-02 12:58:54,459 INFO L226 Difference]: Without dead ends: 80
[2024-12-02 12:58:54,462 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 12:58:54,464 INFO L435 NwaCegarLoop]: 112 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, 112 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 12:58:54,465 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 12:58:54,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states.
[2024-12-02 12:58:54,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80.
[2024-12-02 12:58:54,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 61 states have (on average 1.3114754098360655) internal successors, (80), 68 states have internal predecessors, (80), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11)
[2024-12-02 12:58:54,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 103 transitions.
[2024-12-02 12:58:54,496 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 103 transitions. Word has length 32
[2024-12-02 12:58:54,496 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:58:54,496 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 103 transitions.
[2024-12-02 12:58:54,496 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 12:58:54,496 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 103 transitions.
[2024-12-02 12:58:54,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33
[2024-12-02 12:58:54,498 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:58:54,498 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 12:58:54,498 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-02 12:58:54,498 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:58:54,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:58:54,499 INFO L85 PathProgramCache]: Analyzing trace with hash -190201529, now seen corresponding path program 1 times
[2024-12-02 12:58:54,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:58:54,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884681161]
[2024-12-02 12:58:54,499 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:58:54,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:58:54,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:58:54,605 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 12:58:54,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:58:54,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884681161]
[2024-12-02 12:58:54,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884681161] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:58:54,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:58:54,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 12:58:54,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043761773]
[2024-12-02 12:58:54,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:58:54,606 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 12:58:54,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:58:54,607 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 12:58:54,607 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 12:58:54,607 INFO L87 Difference]: Start difference. First operand 80 states and 103 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 12:58:54,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:58:54,622 INFO L93 Difference]: Finished difference Result 126 states and 162 transitions.
[2024-12-02 12:58:54,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 12:58:54,623 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 12:58:54,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:58:54,624 INFO L225 Difference]: With dead ends: 126
[2024-12-02 12:58:54,624 INFO L226 Difference]: Without dead ends: 72
[2024-12-02 12:58:54,624 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 12:58:54,625 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 13 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 166 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 12:58:54,625 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 166 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 12:58:54,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states.
[2024-12-02 12:58:54,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72.
[2024-12-02 12:58:54,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 56 states have (on average 1.3214285714285714) internal successors, (74), 63 states have internal predecessors, (74), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9)
[2024-12-02 12:58:54,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 92 transitions.
[2024-12-02 12:58:54,634 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 92 transitions. Word has length 32
[2024-12-02 12:58:54,634 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:58:54,634 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 92 transitions.
[2024-12-02 12:58:54,634 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 12:58:54,634 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 92 transitions.
[2024-12-02 12:58:54,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38
[2024-12-02 12:58:54,635 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:58:54,635 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 12:58:54,635 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-02 12:58:54,635 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:58:54,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:58:54,636 INFO L85 PathProgramCache]: Analyzing trace with hash -386103591, now seen corresponding path program 1 times
[2024-12-02 12:58:54,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:58:54,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20827529]
[2024-12-02 12:58:54,636 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:58:54,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:58:54,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:58:54,771 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 12:58:54,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:58:54,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20827529]
[2024-12-02 12:58:54,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20827529] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:58:54,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:58:54,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-12-02 12:58:54,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515486507]
[2024-12-02 12:58:54,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:58:54,772 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 12:58:54,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:58:54,772 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 12:58:54,773 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-12-02 12:58:54,773 INFO L87 Difference]: Start difference. First operand 72 states and 92 transitions. Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 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 12:58:54,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:58:54,879 INFO L93 Difference]: Finished difference Result 136 states and 177 transitions.
[2024-12-02 12:58:54,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-02 12:58:54,880 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 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 12:58:54,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:58:54,881 INFO L225 Difference]: With dead ends: 136
[2024-12-02 12:58:54,881 INFO L226 Difference]: Without dead ends: 72
[2024-12-02 12:58:54,881 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56
[2024-12-02 12:58:54,882 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 87 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 12:58:54,882 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 222 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 12:58:54,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states.
[2024-12-02 12:58:54,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72.
[2024-12-02 12:58:54,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 56 states have (on average 1.3035714285714286) internal successors, (73), 63 states have internal predecessors, (73), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9)
[2024-12-02 12:58:54,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 91 transitions.
[2024-12-02 12:58:54,891 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 91 transitions. Word has length 37
[2024-12-02 12:58:54,892 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:58:54,892 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 91 transitions.
[2024-12-02 12:58:54,892 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 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 12:58:54,892 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 91 transitions.
[2024-12-02 12:58:54,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44
[2024-12-02 12:58:54,893 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:58:54,894 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]
[2024-12-02 12:58:54,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-12-02 12:58:54,894 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:58:54,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:58:54,894 INFO L85 PathProgramCache]: Analyzing trace with hash -2071894750, now seen corresponding path program 1 times
[2024-12-02 12:58:54,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:58:54,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338907534]
[2024-12-02 12:58:54,895 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:58:54,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:58:54,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:58:54,946 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 12:58:54,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:58:54,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338907534]
[2024-12-02 12:58:54,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338907534] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:58:54,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:58:54,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 12:58:54,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316167806]
[2024-12-02 12:58:54,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:58:54,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 12:58:54,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:58:54,948 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 12:58:54,948 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 12:58:54,948 INFO L87 Difference]: Start difference. First operand 72 states and 91 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-12-02 12:58:54,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:58:54,990 INFO L93 Difference]: Finished difference Result 183 states and 238 transitions.
[2024-12-02 12:58:54,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 12:58:54,990 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 43
[2024-12-02 12:58:54,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:58:54,992 INFO L225 Difference]: With dead ends: 183
[2024-12-02 12:58:54,992 INFO L226 Difference]: Without dead ends: 119
[2024-12-02 12:58:54,993 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 12:58:54,993 INFO L435 NwaCegarLoop]: 106 mSDtfsCounter, 74 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 12:58:54,994 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 168 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 12:58:54,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states.
[2024-12-02 12:58:55,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 117.
[2024-12-02 12:58:55,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 90 states have (on average 1.288888888888889) internal successors, (116), 97 states have internal predecessors, (116), 14 states have call successors, (14), 12 states have call predecessors, (14), 12 states have return successors, (18), 14 states have call predecessors, (18), 14 states have call successors, (18)
[2024-12-02 12:58:55,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 148 transitions.
[2024-12-02 12:58:55,010 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 148 transitions. Word has length 43
[2024-12-02 12:58:55,010 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:58:55,011 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 148 transitions.
[2024-12-02 12:58:55,011 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-12-02 12:58:55,011 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 148 transitions.
[2024-12-02 12:58:55,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2024-12-02 12:58:55,012 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:58:55,012 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]
[2024-12-02 12:58:55,013 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-12-02 12:58:55,013 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:58:55,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:58:55,013 INFO L85 PathProgramCache]: Analyzing trace with hash 114779255, now seen corresponding path program 1 times
[2024-12-02 12:58:55,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:58:55,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068926645]
[2024-12-02 12:58:55,014 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:58:55,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:58:55,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:58:55,097 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 12:58:55,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:58:55,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068926645]
[2024-12-02 12:58:55,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068926645] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:58:55,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:58:55,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 12:58:55,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903380239]
[2024-12-02 12:58:55,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:58:55,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 12:58:55,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:58:55,098 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 12:58:55,098 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 12:58:55,098 INFO L87 Difference]: Start difference. First operand 117 states and 148 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3)
[2024-12-02 12:58:55,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:58:55,128 INFO L93 Difference]: Finished difference Result 229 states and 296 transitions.
[2024-12-02 12:58:55,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-02 12:58:55,129 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 51
[2024-12-02 12:58:55,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:58:55,130 INFO L225 Difference]: With dead ends: 229
[2024-12-02 12:58:55,130 INFO L226 Difference]: Without dead ends: 120
[2024-12-02 12:58:55,131 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 12:58:55,132 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 0 mSDsluCounter, 258 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 346 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 12:58:55,132 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 346 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 12:58:55,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states.
[2024-12-02 12:58:55,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120.
[2024-12-02 12:58:55,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 93 states have (on average 1.2795698924731183) internal successors, (119), 100 states have internal predecessors, (119), 14 states have call successors, (14), 12 states have call predecessors, (14), 12 states have return successors, (18), 14 states have call predecessors, (18), 14 states have call successors, (18)
[2024-12-02 12:58:55,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 151 transitions.
[2024-12-02 12:58:55,154 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 151 transitions. Word has length 51
[2024-12-02 12:58:55,154 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:58:55,154 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 151 transitions.
[2024-12-02 12:58:55,154 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3)
[2024-12-02 12:58:55,154 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 151 transitions.
[2024-12-02 12:58:55,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2024-12-02 12:58:55,155 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:58:55,155 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]
[2024-12-02 12:58:55,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-12-02 12:58:55,156 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:58:55,156 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:58:55,156 INFO L85 PathProgramCache]: Analyzing trace with hash -1574164487, now seen corresponding path program 1 times
[2024-12-02 12:58:55,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:58:55,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160177161]
[2024-12-02 12:58:55,156 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:58:55,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:58:55,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:58:55,250 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 12:58:55,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:58:55,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160177161]
[2024-12-02 12:58:55,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160177161] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:58:55,250 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:58:55,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-12-02 12:58:55,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995881665]
[2024-12-02 12:58:55,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:58:55,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-02 12:58:55,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:58:55,251 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-02 12:58:55,252 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-12-02 12:58:55,252 INFO L87 Difference]: Start difference. First operand 120 states and 151 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3)
[2024-12-02 12:58:55,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:58:55,285 INFO L93 Difference]: Finished difference Result 234 states and 305 transitions.
[2024-12-02 12:58:55,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-12-02 12:58:55,285 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 51
[2024-12-02 12:58:55,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:58:55,287 INFO L225 Difference]: With dead ends: 234
[2024-12-02 12:58:55,287 INFO L226 Difference]: Without dead ends: 122
[2024-12-02 12:58:55,288 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2024-12-02 12:58:55,288 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 0 mSDsluCounter, 340 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 427 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-12-02 12:58:55,289 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 427 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-12-02 12:58:55,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states.
[2024-12-02 12:58:55,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122.
[2024-12-02 12:58:55,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 95 states have (on average 1.2736842105263158) internal successors, (121), 102 states have internal predecessors, (121), 14 states have call successors, (14), 12 states have call predecessors, (14), 12 states have return successors, (18), 14 states have call predecessors, (18), 14 states have call successors, (18)
[2024-12-02 12:58:55,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 153 transitions.
[2024-12-02 12:58:55,302 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 153 transitions. Word has length 51
[2024-12-02 12:58:55,302 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:58:55,302 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 153 transitions.
[2024-12-02 12:58:55,302 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3)
[2024-12-02 12:58:55,302 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 153 transitions.
[2024-12-02 12:58:55,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2024-12-02 12:58:55,303 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:58:55,304 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]
[2024-12-02 12:58:55,304 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-12-02 12:58:55,304 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:58:55,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:58:55,304 INFO L85 PathProgramCache]: Analyzing trace with hash -1151462661, now seen corresponding path program 1 times
[2024-12-02 12:58:55,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:58:55,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59573494]
[2024-12-02 12:58:55,305 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:58:55,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:58:55,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:58:55,386 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 12:58:55,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:58:55,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59573494]
[2024-12-02 12:58:55,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59573494] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:58:55,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:58:55,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-02 12:58:55,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413004482]
[2024-12-02 12:58:55,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:58:55,388 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 12:58:55,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:58:55,388 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 12:58:55,388 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 12:58:55,388 INFO L87 Difference]: Start difference. First operand 122 states and 153 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3)
[2024-12-02 12:58:55,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:58:55,495 INFO L93 Difference]: Finished difference Result 397 states and 516 transitions.
[2024-12-02 12:58:55,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 12:58:55,496 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 51
[2024-12-02 12:58:55,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:58:55,498 INFO L225 Difference]: With dead ends: 397
[2024-12-02 12:58:55,498 INFO L226 Difference]: Without dead ends: 283
[2024-12-02 12:58:55,499 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 12:58:55,500 INFO L435 NwaCegarLoop]: 158 mSDtfsCounter, 121 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-12-02 12:58:55,500 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 297 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-12-02 12:58:55,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states.
[2024-12-02 12:58:55,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 274.
[2024-12-02 12:58:55,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 274 states, 211 states have (on average 1.2606635071090047) internal successors, (266), 224 states have internal predecessors, (266), 33 states have call successors, (33), 28 states have call predecessors, (33), 29 states have return successors, (51), 34 states have call predecessors, (51), 33 states have call successors, (51)
[2024-12-02 12:58:55,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 274 states and 350 transitions.
[2024-12-02 12:58:55,532 INFO L78 Accepts]: Start accepts. Automaton has 274 states and 350 transitions. Word has length 51
[2024-12-02 12:58:55,532 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:58:55,532 INFO L471 AbstractCegarLoop]: Abstraction has 274 states and 350 transitions.
[2024-12-02 12:58:55,532 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3)
[2024-12-02 12:58:55,532 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 350 transitions.
[2024-12-02 12:58:55,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54
[2024-12-02 12:58:55,533 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:58:55,533 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]
[2024-12-02 12:58:55,533 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-12-02 12:58:55,533 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:58:55,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:58:55,533 INFO L85 PathProgramCache]: Analyzing trace with hash 624249748, now seen corresponding path program 1 times
[2024-12-02 12:58:55,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:58:55,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339316589]
[2024-12-02 12:58:55,534 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:58:55,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:58:55,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:58:55,632 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 12:58:55,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:58:55,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339316589]
[2024-12-02 12:58:55,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339316589] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:58:55,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:58:55,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2024-12-02 12:58:55,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139927582]
[2024-12-02 12:58:55,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:58:55,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-12-02 12:58:55,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:58:55,633 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-12-02 12:58:55,633 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2024-12-02 12:58:55,633 INFO L87 Difference]: Start difference. First operand 274 states and 350 transitions. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 6 states have internal predecessors, (44), 3 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4)
[2024-12-02 12:58:55,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:58:55,888 INFO L93 Difference]: Finished difference Result 572 states and 741 transitions.
[2024-12-02 12:58:55,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2024-12-02 12:58:55,890 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 6 states have internal predecessors, (44), 3 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4) Word has length 53
[2024-12-02 12:58:55,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:58:55,892 INFO L225 Difference]: With dead ends: 572
[2024-12-02 12:58:55,892 INFO L226 Difference]: Without dead ends: 306
[2024-12-02 12:58:55,893 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 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 12:58:55,894 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 121 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-12-02 12:58:55,894 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 366 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-12-02 12:58:55,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states.
[2024-12-02 12:58:55,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 304.
[2024-12-02 12:58:55,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 234 states have (on average 1.2307692307692308) internal successors, (288), 247 states have internal predecessors, (288), 36 states have call successors, (36), 28 states have call predecessors, (36), 33 states have return successors, (61), 38 states have call predecessors, (61), 36 states have call successors, (61)
[2024-12-02 12:58:55,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 385 transitions.
[2024-12-02 12:58:55,925 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 385 transitions. Word has length 53
[2024-12-02 12:58:55,926 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:58:55,926 INFO L471 AbstractCegarLoop]: Abstraction has 304 states and 385 transitions.
[2024-12-02 12:58:55,926 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 6 states have internal predecessors, (44), 3 states have call successors, (5), 2 states have call predecessors, (5), 3 states have return successors, (4), 4 states have call predecessors, (4), 3 states have call successors, (4)
[2024-12-02 12:58:55,926 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 385 transitions.
[2024-12-02 12:58:55,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56
[2024-12-02 12:58:55,927 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:58:55,927 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]
[2024-12-02 12:58:55,927 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-12-02 12:58:55,927 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:58:55,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:58:55,928 INFO L85 PathProgramCache]: Analyzing trace with hash -1329658987, now seen corresponding path program 1 times
[2024-12-02 12:58:55,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:58:55,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241333782]
[2024-12-02 12:58:55,928 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:58:55,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:58:55,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:58:56,117 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 12:58:56,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:58:56,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241333782]
[2024-12-02 12:58:56,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241333782] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 12:58:56,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 12:58:56,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2024-12-02 12:58:56,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613615293]
[2024-12-02 12:58:56,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 12:58:56,118 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-12-02 12:58:56,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:58:56,118 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-12-02 12:58:56,118 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56
[2024-12-02 12:58:56,118 INFO L87 Difference]: Start difference. First operand 304 states and 385 transitions. Second operand has 8 states, 8 states have (on average 5.5) internal successors, (44), 7 states have internal predecessors, (44), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4)
[2024-12-02 12:58:56,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:58:56,539 INFO L93 Difference]: Finished difference Result 866 states and 1145 transitions.
[2024-12-02 12:58:56,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2024-12-02 12:58:56,539 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 7 states have internal predecessors, (44), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 55
[2024-12-02 12:58:56,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:58:56,544 INFO L225 Difference]: With dead ends: 866
[2024-12-02 12:58:56,544 INFO L226 Difference]: Without dead ends: 620
[2024-12-02 12:58:56,546 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156
[2024-12-02 12:58:56,546 INFO L435 NwaCegarLoop]: 119 mSDtfsCounter, 282 mSDsluCounter, 386 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 288 SdHoareTripleChecker+Valid, 505 SdHoareTripleChecker+Invalid, 318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-12-02 12:58:56,547 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [288 Valid, 505 Invalid, 318 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-12-02 12:58:56,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 620 states.
[2024-12-02 12:58:56,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 620 to 548.
[2024-12-02 12:58:56,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 548 states, 418 states have (on average 1.2177033492822966) internal successors, (509), 444 states have internal predecessors, (509), 67 states have call successors, (67), 50 states have call predecessors, (67), 62 states have return successors, (113), 71 states have call predecessors, (113), 67 states have call successors, (113)
[2024-12-02 12:58:56,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 548 states and 689 transitions.
[2024-12-02 12:58:56,630 INFO L78 Accepts]: Start accepts. Automaton has 548 states and 689 transitions. Word has length 55
[2024-12-02 12:58:56,630 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:58:56,630 INFO L471 AbstractCegarLoop]: Abstraction has 548 states and 689 transitions.
[2024-12-02 12:58:56,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 7 states have internal predecessors, (44), 3 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4)
[2024-12-02 12:58:56,631 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 689 transitions.
[2024-12-02 12:58:56,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95
[2024-12-02 12:58:56,632 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:58:56,633 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:58:56,633 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-12-02 12:58:56,633 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:58:56,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:58:56,634 INFO L85 PathProgramCache]: Analyzing trace with hash 1952434285, now seen corresponding path program 1 times
[2024-12-02 12:58:56,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:58:56,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8339479]
[2024-12-02 12:58:56,634 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:58:56,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:58:56,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:58:56,862 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2024-12-02 12:58:56,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:58:56,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8339479]
[2024-12-02 12:58:56,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8339479] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 12:58:56,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1260499882]
[2024-12-02 12:58:56,863 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:58:56,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 12:58:56,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43987e34-19ad-4231-9e31-c2f13402bf92/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 12:58:56,865 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43987e34-19ad-4231-9e31-c2f13402bf92/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 12:58:56,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43987e34-19ad-4231-9e31-c2f13402bf92/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-12-02 12:58:56,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:58:56,973 INFO L256 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 8 conjuncts are in the unsatisfiable core
[2024-12-02 12:58:56,979 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 12:58:57,157 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 24 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 12:58:57,157 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 12:58:57,379 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2024-12-02 12:58:57,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1260499882] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 12:58:57,379 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 12:58:57,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 6] total 14
[2024-12-02 12:58:57,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297628733]
[2024-12-02 12:58:57,380 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 12:58:57,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2024-12-02 12:58:57,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:58:57,381 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2024-12-02 12:58:57,382 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182
[2024-12-02 12:58:57,382 INFO L87 Difference]: Start difference. First operand 548 states and 689 transitions. Second operand has 14 states, 14 states have (on average 8.714285714285714) internal successors, (122), 12 states have internal predecessors, (122), 5 states have call successors, (17), 4 states have call predecessors, (17), 7 states have return successors, (17), 8 states have call predecessors, (17), 5 states have call successors, (17)
[2024-12-02 12:58:57,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:58:57,792 INFO L93 Difference]: Finished difference Result 1229 states and 1611 transitions.
[2024-12-02 12:58:57,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states.
[2024-12-02 12:58:57,793 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 8.714285714285714) internal successors, (122), 12 states have internal predecessors, (122), 5 states have call successors, (17), 4 states have call predecessors, (17), 7 states have return successors, (17), 8 states have call predecessors, (17), 5 states have call successors, (17) Word has length 94
[2024-12-02 12:58:57,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:58:57,797 INFO L225 Difference]: With dead ends: 1229
[2024-12-02 12:58:57,797 INFO L226 Difference]: Without dead ends: 737
[2024-12-02 12:58:57,799 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 183 SyntacticMatches, 4 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=133, Invalid=517, Unknown=0, NotChecked=0, Total=650
[2024-12-02 12:58:57,800 INFO L435 NwaCegarLoop]: 206 mSDtfsCounter, 232 mSDsluCounter, 1084 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 1290 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-12-02 12:58:57,800 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 1290 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-12-02 12:58:57,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 737 states.
[2024-12-02 12:58:57,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 737 to 635.
[2024-12-02 12:58:57,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 635 states, 478 states have (on average 1.213389121338912) internal successors, (580), 513 states have internal predecessors, (580), 80 states have call successors, (80), 68 states have call predecessors, (80), 76 states have return successors, (116), 78 states have call predecessors, (116), 80 states have call successors, (116)
[2024-12-02 12:58:57,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 776 transitions.
[2024-12-02 12:58:57,865 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 776 transitions. Word has length 94
[2024-12-02 12:58:57,865 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:58:57,865 INFO L471 AbstractCegarLoop]: Abstraction has 635 states and 776 transitions.
[2024-12-02 12:58:57,865 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 8.714285714285714) internal successors, (122), 12 states have internal predecessors, (122), 5 states have call successors, (17), 4 states have call predecessors, (17), 7 states have return successors, (17), 8 states have call predecessors, (17), 5 states have call successors, (17)
[2024-12-02 12:58:57,865 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 776 transitions.
[2024-12-02 12:58:57,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165
[2024-12-02 12:58:57,869 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:58:57,869 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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]
[2024-12-02 12:58:57,875 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43987e34-19ad-4231-9e31-c2f13402bf92/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-12-02 12:58:58,069 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43987e34-19ad-4231-9e31-c2f13402bf92/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 12:58:58,070 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:58:58,070 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:58:58,070 INFO L85 PathProgramCache]: Analyzing trace with hash 2017472911, now seen corresponding path program 1 times
[2024-12-02 12:58:58,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:58:58,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555724501]
[2024-12-02 12:58:58,071 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:58:58,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:58:58,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:58:58,449 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 88 proven. 29 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked.
[2024-12-02 12:58:58,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:58:58,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555724501]
[2024-12-02 12:58:58,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555724501] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 12:58:58,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1457270815]
[2024-12-02 12:58:58,450 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:58:58,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 12:58:58,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43987e34-19ad-4231-9e31-c2f13402bf92/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 12:58:58,452 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43987e34-19ad-4231-9e31-c2f13402bf92/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 12:58:58,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43987e34-19ad-4231-9e31-c2f13402bf92/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-12-02 12:58:58,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:58:58,576 INFO L256 TraceCheckSpWp]: Trace formula consists of 501 conjuncts, 13 conjuncts are in the unsatisfiable core
[2024-12-02 12:58:58,581 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 12:58:58,779 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 134 proven. 3 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked.
[2024-12-02 12:58:58,779 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 12:58:59,221 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 77 proven. 38 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked.
[2024-12-02 12:58:59,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1457270815] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 12:58:59,221 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 12:58:59,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 11] total 25
[2024-12-02 12:58:59,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192817526]
[2024-12-02 12:58:59,221 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 12:58:59,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states
[2024-12-02 12:58:59,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:58:59,223 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants.
[2024-12-02 12:58:59,223 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=151, Invalid=449, Unknown=0, NotChecked=0, Total=600
[2024-12-02 12:58:59,224 INFO L87 Difference]: Start difference. First operand 635 states and 776 transitions. Second operand has 25 states, 25 states have (on average 8.08) internal successors, (202), 24 states have internal predecessors, (202), 11 states have call successors, (26), 6 states have call predecessors, (26), 10 states have return successors, (28), 10 states have call predecessors, (28), 11 states have call successors, (28)
[2024-12-02 12:58:59,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:58:59,805 INFO L93 Difference]: Finished difference Result 1396 states and 1773 transitions.
[2024-12-02 12:58:59,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2024-12-02 12:58:59,805 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 8.08) internal successors, (202), 24 states have internal predecessors, (202), 11 states have call successors, (26), 6 states have call predecessors, (26), 10 states have return successors, (28), 10 states have call predecessors, (28), 11 states have call successors, (28) Word has length 164
[2024-12-02 12:58:59,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:58:59,810 INFO L225 Difference]: With dead ends: 1396
[2024-12-02 12:58:59,810 INFO L226 Difference]: Without dead ends: 769
[2024-12-02 12:58:59,813 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 350 GetRequests, 315 SyntacticMatches, 3 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 300 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=275, Invalid=847, Unknown=0, NotChecked=0, Total=1122
[2024-12-02 12:58:59,814 INFO L435 NwaCegarLoop]: 106 mSDtfsCounter, 532 mSDsluCounter, 529 mSDsCounter, 0 mSdLazyCounter, 573 mSolverCounterSat, 192 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 535 SdHoareTripleChecker+Valid, 635 SdHoareTripleChecker+Invalid, 765 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 192 IncrementalHoareTripleChecker+Valid, 573 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-12-02 12:58:59,814 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [535 Valid, 635 Invalid, 765 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [192 Valid, 573 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-12-02 12:58:59,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 769 states.
[2024-12-02 12:58:59,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 769 to 696.
[2024-12-02 12:58:59,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 696 states, 526 states have (on average 1.188212927756654) internal successors, (625), 558 states have internal predecessors, (625), 91 states have call successors, (91), 79 states have call predecessors, (91), 78 states have return successors, (114), 81 states have call predecessors, (114), 91 states have call successors, (114)
[2024-12-02 12:58:59,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 696 states and 830 transitions.
[2024-12-02 12:58:59,880 INFO L78 Accepts]: Start accepts. Automaton has 696 states and 830 transitions. Word has length 164
[2024-12-02 12:58:59,881 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:58:59,881 INFO L471 AbstractCegarLoop]: Abstraction has 696 states and 830 transitions.
[2024-12-02 12:58:59,881 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 8.08) internal successors, (202), 24 states have internal predecessors, (202), 11 states have call successors, (26), 6 states have call predecessors, (26), 10 states have return successors, (28), 10 states have call predecessors, (28), 11 states have call successors, (28)
[2024-12-02 12:58:59,881 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 830 transitions.
[2024-12-02 12:58:59,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181
[2024-12-02 12:58:59,884 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:58:59,884 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 12:58:59,893 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43987e34-19ad-4231-9e31-c2f13402bf92/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-12-02 12:59:00,085 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43987e34-19ad-4231-9e31-c2f13402bf92/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 12:59:00,085 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:59:00,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:59:00,086 INFO L85 PathProgramCache]: Analyzing trace with hash -55344097, now seen corresponding path program 1 times
[2024-12-02 12:59:00,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:59:00,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970439822]
[2024-12-02 12:59:00,086 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:59:00,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:59:00,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:59:00,373 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 99 proven. 53 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked.
[2024-12-02 12:59:00,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:59:00,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970439822]
[2024-12-02 12:59:00,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970439822] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 12:59:00,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1435106303]
[2024-12-02 12:59:00,374 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:59:00,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 12:59:00,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43987e34-19ad-4231-9e31-c2f13402bf92/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 12:59:00,376 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43987e34-19ad-4231-9e31-c2f13402bf92/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 12:59:00,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43987e34-19ad-4231-9e31-c2f13402bf92/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-12-02 12:59:00,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:59:00,498 INFO L256 TraceCheckSpWp]: Trace formula consists of 540 conjuncts, 10 conjuncts are in the unsatisfiable core
[2024-12-02 12:59:00,503 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 12:59:00,658 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 175 proven. 9 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked.
[2024-12-02 12:59:00,658 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 12:59:01,028 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 99 proven. 53 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked.
[2024-12-02 12:59:01,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1435106303] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 12:59:01,028 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 12:59:01,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 8, 8] total 22
[2024-12-02 12:59:01,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097035635]
[2024-12-02 12:59:01,029 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 12:59:01,030 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states
[2024-12-02 12:59:01,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:59:01,030 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants.
[2024-12-02 12:59:01,031 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=389, Unknown=0, NotChecked=0, Total=462
[2024-12-02 12:59:01,031 INFO L87 Difference]: Start difference. First operand 696 states and 830 transitions. Second operand has 22 states, 22 states have (on average 9.545454545454545) internal successors, (210), 19 states have internal predecessors, (210), 7 states have call successors, (30), 5 states have call predecessors, (30), 13 states have return successors, (32), 11 states have call predecessors, (32), 7 states have call successors, (32)
[2024-12-02 12:59:01,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:59:01,605 INFO L93 Difference]: Finished difference Result 1369 states and 1655 transitions.
[2024-12-02 12:59:01,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states.
[2024-12-02 12:59:01,605 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 9.545454545454545) internal successors, (210), 19 states have internal predecessors, (210), 7 states have call successors, (30), 5 states have call predecessors, (30), 13 states have return successors, (32), 11 states have call predecessors, (32), 7 states have call successors, (32) Word has length 180
[2024-12-02 12:59:01,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:59:01,610 INFO L225 Difference]: With dead ends: 1369
[2024-12-02 12:59:01,610 INFO L226 Difference]: Without dead ends: 729
[2024-12-02 12:59:01,612 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 389 GetRequests, 354 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=225, Invalid=1035, Unknown=0, NotChecked=0, Total=1260
[2024-12-02 12:59:01,612 INFO L435 NwaCegarLoop]: 103 mSDtfsCounter, 262 mSDsluCounter, 976 mSDsCounter, 0 mSdLazyCounter, 784 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 1079 SdHoareTripleChecker+Invalid, 881 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 784 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-12-02 12:59:01,613 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [267 Valid, 1079 Invalid, 881 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 784 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-12-02 12:59:01,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 729 states.
[2024-12-02 12:59:01,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 729 to 711.
[2024-12-02 12:59:01,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 711 states, 536 states have (on average 1.1772388059701493) internal successors, (631), 568 states have internal predecessors, (631), 91 states have call successors, (91), 84 states have call predecessors, (91), 83 states have return successors, (114), 81 states have call predecessors, (114), 91 states have call successors, (114)
[2024-12-02 12:59:01,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 711 states to 711 states and 836 transitions.
[2024-12-02 12:59:01,690 INFO L78 Accepts]: Start accepts. Automaton has 711 states and 836 transitions. Word has length 180
[2024-12-02 12:59:01,691 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:59:01,691 INFO L471 AbstractCegarLoop]: Abstraction has 711 states and 836 transitions.
[2024-12-02 12:59:01,691 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 9.545454545454545) internal successors, (210), 19 states have internal predecessors, (210), 7 states have call successors, (30), 5 states have call predecessors, (30), 13 states have return successors, (32), 11 states have call predecessors, (32), 7 states have call successors, (32)
[2024-12-02 12:59:01,691 INFO L276 IsEmpty]: Start isEmpty. Operand 711 states and 836 transitions.
[2024-12-02 12:59:01,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182
[2024-12-02 12:59:01,694 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:59:01,694 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 12:59:01,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43987e34-19ad-4231-9e31-c2f13402bf92/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2024-12-02 12:59:01,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43987e34-19ad-4231-9e31-c2f13402bf92/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 12:59:01,894 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:59:01,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:59:01,895 INFO L85 PathProgramCache]: Analyzing trace with hash 503923815, now seen corresponding path program 1 times
[2024-12-02 12:59:01,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:59:01,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779040451]
[2024-12-02 12:59:01,895 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:59:01,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:59:01,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:59:02,427 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 90 proven. 57 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-12-02 12:59:02,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:59:02,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779040451]
[2024-12-02 12:59:02,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779040451] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 12:59:02,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [698323743]
[2024-12-02 12:59:02,428 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:59:02,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 12:59:02,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43987e34-19ad-4231-9e31-c2f13402bf92/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 12:59:02,430 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43987e34-19ad-4231-9e31-c2f13402bf92/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 12:59:02,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43987e34-19ad-4231-9e31-c2f13402bf92/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-12-02 12:59:02,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:59:02,548 INFO L256 TraceCheckSpWp]: Trace formula consists of 540 conjuncts, 18 conjuncts are in the unsatisfiable core
[2024-12-02 12:59:02,553 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 12:59:02,752 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 122 proven. 25 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-12-02 12:59:02,752 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 12:59:03,276 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 95 proven. 44 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked.
[2024-12-02 12:59:03,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [698323743] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 12:59:03,277 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 12:59:03,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 8, 13] total 22
[2024-12-02 12:59:03,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607230652]
[2024-12-02 12:59:03,277 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 12:59:03,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states
[2024-12-02 12:59:03,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:59:03,279 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants.
[2024-12-02 12:59:03,279 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=341, Unknown=0, NotChecked=0, Total=462
[2024-12-02 12:59:03,279 INFO L87 Difference]: Start difference. First operand 711 states and 836 transitions. Second operand has 22 states, 22 states have (on average 10.318181818181818) internal successors, (227), 21 states have internal predecessors, (227), 14 states have call successors, (36), 8 states have call predecessors, (36), 14 states have return successors, (35), 14 states have call predecessors, (35), 14 states have call successors, (35)
[2024-12-02 12:59:03,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:59:03,985 INFO L93 Difference]: Finished difference Result 1372 states and 1641 transitions.
[2024-12-02 12:59:03,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states.
[2024-12-02 12:59:03,986 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 10.318181818181818) internal successors, (227), 21 states have internal predecessors, (227), 14 states have call successors, (36), 8 states have call predecessors, (36), 14 states have return successors, (35), 14 states have call predecessors, (35), 14 states have call successors, (35) Word has length 181
[2024-12-02 12:59:03,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:59:03,990 INFO L225 Difference]: With dead ends: 1372
[2024-12-02 12:59:03,990 INFO L226 Difference]: Without dead ends: 942
[2024-12-02 12:59:03,992 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 400 GetRequests, 356 SyntacticMatches, 8 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 334 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=404, Invalid=1002, Unknown=0, NotChecked=0, Total=1406
[2024-12-02 12:59:03,992 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 730 mSDsluCounter, 761 mSDsCounter, 0 mSdLazyCounter, 826 mSolverCounterSat, 250 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 734 SdHoareTripleChecker+Valid, 916 SdHoareTripleChecker+Invalid, 1076 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 250 IncrementalHoareTripleChecker+Valid, 826 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-12-02 12:59:03,992 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [734 Valid, 916 Invalid, 1076 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [250 Valid, 826 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-12-02 12:59:03,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 942 states.
[2024-12-02 12:59:04,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 942 to 872.
[2024-12-02 12:59:04,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 872 states, 658 states have (on average 1.1762917933130699) internal successors, (774), 695 states have internal predecessors, (774), 112 states have call successors, (112), 103 states have call predecessors, (112), 101 states have return successors, (137), 101 states have call predecessors, (137), 112 states have call successors, (137)
[2024-12-02 12:59:04,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 872 states to 872 states and 1023 transitions.
[2024-12-02 12:59:04,037 INFO L78 Accepts]: Start accepts. Automaton has 872 states and 1023 transitions. Word has length 181
[2024-12-02 12:59:04,037 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:59:04,037 INFO L471 AbstractCegarLoop]: Abstraction has 872 states and 1023 transitions.
[2024-12-02 12:59:04,037 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 10.318181818181818) internal successors, (227), 21 states have internal predecessors, (227), 14 states have call successors, (36), 8 states have call predecessors, (36), 14 states have return successors, (35), 14 states have call predecessors, (35), 14 states have call successors, (35)
[2024-12-02 12:59:04,037 INFO L276 IsEmpty]: Start isEmpty. Operand 872 states and 1023 transitions.
[2024-12-02 12:59:04,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232
[2024-12-02 12:59:04,040 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 12:59:04,040 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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]
[2024-12-02 12:59:04,046 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43987e34-19ad-4231-9e31-c2f13402bf92/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2024-12-02 12:59:04,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43987e34-19ad-4231-9e31-c2f13402bf92/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12
[2024-12-02 12:59:04,241 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 12:59:04,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 12:59:04,241 INFO L85 PathProgramCache]: Analyzing trace with hash 2067705813, now seen corresponding path program 1 times
[2024-12-02 12:59:04,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 12:59:04,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669728478]
[2024-12-02 12:59:04,241 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:59:04,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 12:59:04,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:59:04,484 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 132 proven. 10 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked.
[2024-12-02 12:59:04,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 12:59:04,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669728478]
[2024-12-02 12:59:04,484 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [669728478] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 12:59:04,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1462365599]
[2024-12-02 12:59:04,484 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 12:59:04,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 12:59:04,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43987e34-19ad-4231-9e31-c2f13402bf92/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 12:59:04,486 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43987e34-19ad-4231-9e31-c2f13402bf92/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 12:59:04,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43987e34-19ad-4231-9e31-c2f13402bf92/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2024-12-02 12:59:04,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 12:59:04,632 INFO L256 TraceCheckSpWp]: Trace formula consists of 665 conjuncts, 30 conjuncts are in the unsatisfiable core
[2024-12-02 12:59:04,637 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 12:59:04,917 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 138 proven. 89 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked.
[2024-12-02 12:59:04,917 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 12:59:05,598 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 91 proven. 136 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked.
[2024-12-02 12:59:05,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1462365599] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 12:59:05,598 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 12:59:05,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 11, 16] total 24
[2024-12-02 12:59:05,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566311981]
[2024-12-02 12:59:05,598 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 12:59:05,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states
[2024-12-02 12:59:05,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 12:59:05,600 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants.
[2024-12-02 12:59:05,600 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=457, Unknown=0, NotChecked=0, Total=552
[2024-12-02 12:59:05,600 INFO L87 Difference]: Start difference. First operand 872 states and 1023 transitions. Second operand has 24 states, 24 states have (on average 10.666666666666666) internal successors, (256), 23 states have internal predecessors, (256), 13 states have call successors, (42), 7 states have call predecessors, (42), 15 states have return successors, (45), 14 states have call predecessors, (45), 13 states have call successors, (45)
[2024-12-02 12:59:07,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 12:59:07,117 INFO L93 Difference]: Finished difference Result 2392 states and 2866 transitions.
[2024-12-02 12:59:07,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states.
[2024-12-02 12:59:07,118 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 10.666666666666666) internal successors, (256), 23 states have internal predecessors, (256), 13 states have call successors, (42), 7 states have call predecessors, (42), 15 states have return successors, (45), 14 states have call predecessors, (45), 13 states have call successors, (45) Word has length 231
[2024-12-02 12:59:07,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 12:59:07,120 INFO L225 Difference]: With dead ends: 2392
[2024-12-02 12:59:07,120 INFO L226 Difference]: Without dead ends: 0
[2024-12-02 12:59:07,124 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 523 GetRequests, 446 SyntacticMatches, 9 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1160 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=993, Invalid=3837, Unknown=0, NotChecked=0, Total=4830
[2024-12-02 12:59:07,124 INFO L435 NwaCegarLoop]: 242 mSDtfsCounter, 1061 mSDsluCounter, 1733 mSDsCounter, 0 mSdLazyCounter, 2103 mSolverCounterSat, 419 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1061 SdHoareTripleChecker+Valid, 1975 SdHoareTripleChecker+Invalid, 2522 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 419 IncrementalHoareTripleChecker+Valid, 2103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2024-12-02 12:59:07,124 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1061 Valid, 1975 Invalid, 2522 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [419 Valid, 2103 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2024-12-02 12:59:07,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-12-02 12:59:07,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-12-02 12:59:07,125 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 12:59:07,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-12-02 12:59:07,126 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 231
[2024-12-02 12:59:07,126 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 12:59:07,126 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-12-02 12:59:07,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 10.666666666666666) internal successors, (256), 23 states have internal predecessors, (256), 13 states have call successors, (42), 7 states have call predecessors, (42), 15 states have return successors, (45), 14 states have call predecessors, (45), 13 states have call successors, (45)
[2024-12-02 12:59:07,126 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-12-02 12:59:07,126 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-12-02 12:59:07,128 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-12-02 12:59:07,138 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43987e34-19ad-4231-9e31-c2f13402bf92/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0
[2024-12-02 12:59:07,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43987e34-19ad-4231-9e31-c2f13402bf92/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 12:59:07,331 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 12:59:07,332 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-12-02 12:59:17,295 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-12-02 12:59:17,305 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 12:59:17 BoogieIcfgContainer
[2024-12-02 12:59:17,305 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-02 12:59:17,305 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 12:59:17,305 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-02 12:59:17,305 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-02 12:59:17,306 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:58:54" (3/4) ...
[2024-12-02 12:59:17,307 INFO L146 WitnessPrinter]: Generating witness for correct program
[2024-12-02 12:59:17,311 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base
[2024-12-02 12:59:17,311 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel
[2024-12-02 12:59:17,311 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift
[2024-12-02 12:59:17,311 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup
[2024-12-02 12:59:17,311 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor
[2024-12-02 12:59:17,311 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise
[2024-12-02 12:59:17,311 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning
[2024-12-02 12:59:17,314 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges
[2024-12-02 12:59:17,315 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges
[2024-12-02 12:59:17,315 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges
[2024-12-02 12:59:17,315 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-12-02 12:59:17,315 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-12-02 12:59:17,394 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43987e34-19ad-4231-9e31-c2f13402bf92/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml
[2024-12-02 12:59:17,394 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43987e34-19ad-4231-9e31-c2f13402bf92/bin/uautomizer-verify-84ZbGMXZE1/witness.yml
[2024-12-02 12:59:17,394 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 12:59:17,395 INFO L158 Benchmark]: Toolchain (without parser) took 23939.55ms. Allocated memory was 142.6MB in the beginning and 494.9MB in the end (delta: 352.3MB). Free memory was 117.8MB in the beginning and 275.3MB in the end (delta: -157.5MB). Peak memory consumption was 193.9MB. Max. memory is 16.1GB.
[2024-12-02 12:59:17,395 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 12:59:17,395 INFO L158 Benchmark]: CACSL2BoogieTranslator took 318.43ms. Allocated memory is still 142.6MB. Free memory was 117.6MB in the beginning and 99.0MB in the end (delta: 18.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 12:59:17,395 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.24ms. Allocated memory is still 142.6MB. Free memory was 99.0MB in the beginning and 97.1MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 12:59:17,396 INFO L158 Benchmark]: Boogie Preprocessor took 35.07ms. Allocated memory is still 142.6MB. Free memory was 97.1MB in the beginning and 95.2MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 12:59:17,396 INFO L158 Benchmark]: RCFGBuilder took 317.84ms. Allocated memory is still 142.6MB. Free memory was 95.2MB in the beginning and 78.6MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 12:59:17,396 INFO L158 Benchmark]: TraceAbstraction took 23141.39ms. Allocated memory was 142.6MB in the beginning and 494.9MB in the end (delta: 352.3MB). Free memory was 77.9MB in the beginning and 283.4MB in the end (delta: -205.5MB). Peak memory consumption was 259.4MB. Max. memory is 16.1GB.
[2024-12-02 12:59:17,397 INFO L158 Benchmark]: Witness Printer took 88.82ms. Allocated memory is still 494.9MB. Free memory was 283.4MB in the beginning and 275.3MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 12:59:17,398 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 83.7MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 318.43ms. Allocated memory is still 142.6MB. Free memory was 117.6MB in the beginning and 99.0MB in the end (delta: 18.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 33.24ms. Allocated memory is still 142.6MB. Free memory was 99.0MB in the beginning and 97.1MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 35.07ms. Allocated memory is still 142.6MB. Free memory was 97.1MB in the beginning and 95.2MB in the end (delta: 1.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* RCFGBuilder took 317.84ms. Allocated memory is still 142.6MB. Free memory was 95.2MB in the beginning and 78.6MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 23141.39ms. Allocated memory was 142.6MB in the beginning and 494.9MB in the end (delta: 352.3MB). Free memory was 77.9MB in the beginning and 283.4MB in the end (delta: -205.5MB). Peak memory consumption was 259.4MB. Max. memory is 16.1GB.
* Witness Printer took 88.82ms. Allocated memory is still 494.9MB. Free memory was 283.4MB in the beginning and 275.3MB in the end (delta: 8.1MB). 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,"wsllib_check.i","") [49]
- GenericResultAtLocation [Line: 58]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [58]
- GenericResultAtLocation [Line: 164]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [164]
- GenericResultAtLocation [Line: 215]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [215]
- GenericResultAtLocation [Line: 581]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [581]
- GenericResultAtLocation [Line: 679]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [679]
- GenericResultAtLocation [Line: 871]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [871]
- GenericResultAtLocation [Line: 906]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [906]
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- PositiveResult [Line: 54]: a call to reach_error is unreachable
For all program executions holds that a call to reach_error is unreachable at this location
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 8 procedures, 89 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 13.1s, OverallIterations: 14, TraceHistogramMax: 9, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3548 SdHoareTripleChecker+Valid, 2.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3515 mSDsluCounter, 8504 SdHoareTripleChecker+Invalid, 2.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6771 mSDsCounter, 1105 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5053 IncrementalHoareTripleChecker+Invalid, 6158 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1105 mSolverCounterUnsat, 1733 mSDtfsCounter, 5053 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1940 GetRequests, 1681 SyntacticMatches, 25 SemanticMatches, 234 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2113 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=872occurred in iteration=13, InterpolantAutomatonStates: 171, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 14 MinimizatonAttempts, 348 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 5.6s InterpolantComputationTime, 2105 NumberOfCodeBlocks, 2105 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 2931 ConstructedInterpolants, 0 QuantifiedInterpolants, 6932 SizeOfPredicates, 5 NumberOfNonLiveVariables, 2564 ConjunctsInSsa, 79 ConjunctsInUnsatCore, 24 InterpolantComputations, 9 PerfectInterpolantSequences, 2720/3291 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: 71]: Loop Invariant
Derived loop invariant: 0
- InvariantResult [Line: 916]: Location Invariant
Derived location invariant: 0
- InvariantResult [Line: 917]: Loop Invariant
Derived loop invariant: ((((((((pumpRunning == 0) && (2 == waterLevel)) && (1 == systemActive)) && (splverifierCounter == 0)) || ((((((methaneLevelCritical == 0) && (1 == systemActive)) && (splverifierCounter == 0)) && (waterLevel == 1)) && (1 <= switchedOnBeforeTS)) && (pumpRunning == 1))) || ((((((methaneLevelCritical == 0) && (1 == systemActive)) && (splverifierCounter == 0)) && (waterLevel <= 0)) && (1 <= switchedOnBeforeTS)) && (pumpRunning == 1))) || ((((2 == waterLevel) && (1 == systemActive)) && (splverifierCounter == 0)) && (pumpRunning == 1))) || ((((pumpRunning == 0) && (waterLevel <= 1)) && (1 == systemActive)) && (splverifierCounter == 0)))
RESULT: Ultimate proved your program to be correct!
[2024-12-02 12:59:17,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_43987e34-19ad-4231-9e31-c2f13402bf92/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