./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label23.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version 826ab2ba
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fb1b10-b01f-4532-80d4-7c896c67b02c/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fb1b10-b01f-4532-80d4-7c896c67b02c/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fb1b10-b01f-4532-80d4-7c896c67b02c/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fb1b10-b01f-4532-80d4-7c896c67b02c/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label23.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fb1b10-b01f-4532-80d4-7c896c67b02c/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fb1b10-b01f-4532-80d4-7c896c67b02c/bin/uautomizer-verify-qhAvR1uOyd --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 fd73ab074a990e2fba4a8f87029e18649db9146d39c1908dcf3532d41f095922
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-826ab2b
[2024-11-13 14:49:48,830 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-13 14:49:48,933 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fb1b10-b01f-4532-80d4-7c896c67b02c/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-13 14:49:48,940 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-13 14:49:48,940 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-13 14:49:48,978 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-13 14:49:48,979 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-13 14:49:48,980 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-13 14:49:48,980 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-13 14:49:48,980 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-13 14:49:48,981 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-13 14:49:48,981 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-13 14:49:48,982 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-13 14:49:48,982 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-13 14:49:48,982 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-13 14:49:48,983 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-13 14:49:48,983 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-13 14:49:48,983 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-13 14:49:48,983 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-13 14:49:48,984 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-13 14:49:48,984 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-13 14:49:48,984 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-13 14:49:48,984 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-13 14:49:48,984 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-13 14:49:48,984 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-13 14:49:48,985 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-13 14:49:48,985 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-13 14:49:48,985 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-13 14:49:48,985 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-13 14:49:48,985 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-13 14:49:48,985 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-13 14:49:48,986 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-13 14:49:48,986 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-13 14:49:48,986 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-13 14:49:48,986 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-13 14:49:48,986 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-13 14:49:48,987 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-13 14:49:48,987 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-13 14:49:48,988 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-13 14:49:48,988 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-13 14:49:48,988 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-13 14:49:48,988 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-13 14:49:48,988 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_45fb1b10-b01f-4532-80d4-7c896c67b02c/bin/uautomizer-verify-qhAvR1uOyd
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 -> fd73ab074a990e2fba4a8f87029e18649db9146d39c1908dcf3532d41f095922
[2024-11-13 14:49:49,353 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-13 14:49:49,365 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-13 14:49:49,369 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-13 14:49:49,370 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-13 14:49:49,371 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-13 14:49:49,372 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fb1b10-b01f-4532-80d4-7c896c67b02c/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/eca-rers2012/Problem14_label23.c
Unable to find full path for "g++"
[2024-11-13 14:49:51,371 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-13 14:49:51,755 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-13 14:49:51,756 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fb1b10-b01f-4532-80d4-7c896c67b02c/sv-benchmarks/c/eca-rers2012/Problem14_label23.c
[2024-11-13 14:49:51,780 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fb1b10-b01f-4532-80d4-7c896c67b02c/bin/uautomizer-verify-qhAvR1uOyd/data/8df8dff71/1be774b2d2d2461eacfac49c77e7b713/FLAGa2b2da3cf
[2024-11-13 14:49:51,797 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fb1b10-b01f-4532-80d4-7c896c67b02c/bin/uautomizer-verify-qhAvR1uOyd/data/8df8dff71/1be774b2d2d2461eacfac49c77e7b713
[2024-11-13 14:49:51,800 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-13 14:49:51,802 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-13 14:49:51,803 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-13 14:49:51,804 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-13 14:49:51,809 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-13 14:49:51,810 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:49:51" (1/1) ...
[2024-11-13 14:49:51,811 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69b8fdd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:49:51, skipping insertion in model container
[2024-11-13 14:49:51,812 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:49:51" (1/1) ...
[2024-11-13 14:49:51,870 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-13 14:49:52,064 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_45fb1b10-b01f-4532-80d4-7c896c67b02c/sv-benchmarks/c/eca-rers2012/Problem14_label23.c[3423,3436]
[2024-11-13 14:49:52,265 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-13 14:49:52,275 INFO L200 MainTranslator]: Completed pre-run
[2024-11-13 14:49:52,291 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_45fb1b10-b01f-4532-80d4-7c896c67b02c/sv-benchmarks/c/eca-rers2012/Problem14_label23.c[3423,3436]
[2024-11-13 14:49:52,429 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-13 14:49:52,447 INFO L204 MainTranslator]: Completed translation
[2024-11-13 14:49:52,447 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:49:52 WrapperNode
[2024-11-13 14:49:52,447 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-13 14:49:52,448 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-13 14:49:52,448 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-13 14:49:52,448 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-13 14:49:52,455 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:49:52" (1/1) ...
[2024-11-13 14:49:52,473 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:49:52" (1/1) ...
[2024-11-13 14:49:52,573 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 858
[2024-11-13 14:49:52,574 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-13 14:49:52,574 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-13 14:49:52,574 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-13 14:49:52,574 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-13 14:49:52,584 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:49:52" (1/1) ...
[2024-11-13 14:49:52,585 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:49:52" (1/1) ...
[2024-11-13 14:49:52,593 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:49:52" (1/1) ...
[2024-11-13 14:49:52,631 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].
[2024-11-13 14:49:52,631 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:49:52" (1/1) ...
[2024-11-13 14:49:52,631 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:49:52" (1/1) ...
[2024-11-13 14:49:52,657 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:49:52" (1/1) ...
[2024-11-13 14:49:52,667 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:49:52" (1/1) ...
[2024-11-13 14:49:52,674 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:49:52" (1/1) ...
[2024-11-13 14:49:52,685 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:49:52" (1/1) ...
[2024-11-13 14:49:52,703 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-13 14:49:52,704 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-13 14:49:52,705 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-13 14:49:52,705 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-13 14:49:52,706 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:49:52" (1/1) ...
[2024-11-13 14:49:52,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-13 14:49:52,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fb1b10-b01f-4532-80d4-7c896c67b02c/bin/uautomizer-verify-qhAvR1uOyd/z3
[2024-11-13 14:49:52,740 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fb1b10-b01f-4532-80d4-7c896c67b02c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-13 14:49:52,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fb1b10-b01f-4532-80d4-7c896c67b02c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-13 14:49:52,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-13 14:49:52,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-13 14:49:52,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-13 14:49:52,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-13 14:49:52,845 INFO L238 CfgBuilder]: Building ICFG
[2024-11-13 14:49:52,847 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-13 14:49:54,715 INFO L? ?]: Removed 123 outVars from TransFormulas that were not future-live.
[2024-11-13 14:49:54,716 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-13 14:49:54,743 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-13 14:49:54,744 INFO L316 CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-13 14:49:54,744 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:49:54 BoogieIcfgContainer
[2024-11-13 14:49:54,744 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-13 14:49:54,747 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-13 14:49:54,747 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-13 14:49:54,753 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-13 14:49:54,753 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:49:51" (1/3) ...
[2024-11-13 14:49:54,754 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59e38578 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:49:54, skipping insertion in model container
[2024-11-13 14:49:54,754 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:49:52" (2/3) ...
[2024-11-13 14:49:54,754 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59e38578 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:49:54, skipping insertion in model container
[2024-11-13 14:49:54,755 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:49:54" (3/3) ...
[2024-11-13 14:49:54,756 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label23.c
[2024-11-13 14:49:54,778 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-13 14:49:54,780 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG Problem14_label23.c that has 1 procedures, 245 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-11-13 14:49:54,870 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-13 14:49:54,889 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;@3c7b27c9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-13 14:49:54,890 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-13 14:49:54,896 INFO L276 IsEmpty]: Start isEmpty. Operand has 245 states, 243 states have (on average 1.7366255144032923) internal successors, (422), 244 states have internal predecessors, (422), 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)
[2024-11-13 14:49:54,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33
[2024-11-13 14:49:54,905 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 14:49:54,906 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 14:49:54,907 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 14:49:54,914 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 14:49:54,914 INFO L85 PathProgramCache]: Analyzing trace with hash 1677482674, now seen corresponding path program 1 times
[2024-11-13 14:49:54,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 14:49:54,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009795435]
[2024-11-13 14:49:54,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:49:54,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 14:49:55,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:49:55,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-13 14:49:55,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 14:49:55,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009795435]
[2024-11-13 14:49:55,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009795435] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 14:49:55,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 14:49:55,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-13 14:49:55,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778661851]
[2024-11-13 14:49:55,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 14:49:55,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 14:49:55,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 14:49:55,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 14:49:55,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-13 14:49:55,392 INFO L87 Difference]: Start difference. First operand has 245 states, 243 states have (on average 1.7366255144032923) internal successors, (422), 244 states have internal predecessors, (422), 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) Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 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)
[2024-11-13 14:49:56,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 14:49:56,869 INFO L93 Difference]: Finished difference Result 669 states and 1200 transitions.
[2024-11-13 14:49:56,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-13 14:49:56,873 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 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) Word has length 32
[2024-11-13 14:49:56,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 14:49:56,891 INFO L225 Difference]: With dead ends: 669
[2024-11-13 14:49:56,893 INFO L226 Difference]: Without dead ends: 360
[2024-11-13 14:49:56,897 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-13 14:49:56,903 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 178 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 519 mSolverCounterSat, 229 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 748 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 229 IncrementalHoareTripleChecker+Valid, 519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time
[2024-11-13 14:49:56,904 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 94 Invalid, 748 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [229 Valid, 519 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time]
[2024-11-13 14:49:56,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states.
[2024-11-13 14:49:56,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 360.
[2024-11-13 14:49:56,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 359 states have (on average 1.5208913649025069) internal successors, (546), 359 states have internal predecessors, (546), 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)
[2024-11-13 14:49:56,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 546 transitions.
[2024-11-13 14:49:56,974 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 546 transitions. Word has length 32
[2024-11-13 14:49:56,974 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 14:49:56,974 INFO L471 AbstractCegarLoop]: Abstraction has 360 states and 546 transitions.
[2024-11-13 14:49:56,975 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 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)
[2024-11-13 14:49:56,975 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 546 transitions.
[2024-11-13 14:49:56,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108
[2024-11-13 14:49:56,978 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 14:49:56,978 INFO L215 NwaCegarLoop]: trace histogram [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, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 14:49:56,979 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-13 14:49:56,979 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 14:49:56,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 14:49:56,981 INFO L85 PathProgramCache]: Analyzing trace with hash 1819854382, now seen corresponding path program 1 times
[2024-11-13 14:49:56,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 14:49:56,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030258062]
[2024-11-13 14:49:56,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:49:56,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 14:49:57,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:49:57,343 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-13 14:49:57,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 14:49:57,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030258062]
[2024-11-13 14:49:57,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030258062] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 14:49:57,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 14:49:57,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-13 14:49:57,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378024630]
[2024-11-13 14:49:57,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 14:49:57,346 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 14:49:57,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 14:49:57,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 14:49:57,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-13 14:49:57,349 INFO L87 Difference]: Start difference. First operand 360 states and 546 transitions. Second operand has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 2 states have internal predecessors, (107), 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)
[2024-11-13 14:49:58,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 14:49:58,361 INFO L93 Difference]: Finished difference Result 1076 states and 1634 transitions.
[2024-11-13 14:49:58,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-13 14:49:58,361 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 2 states have internal predecessors, (107), 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) Word has length 107
[2024-11-13 14:49:58,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 14:49:58,365 INFO L225 Difference]: With dead ends: 1076
[2024-11-13 14:49:58,366 INFO L226 Difference]: Without dead ends: 718
[2024-11-13 14:49:58,367 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-13 14:49:58,368 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 124 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 461 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 461 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2024-11-13 14:49:58,369 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 96 Invalid, 592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 461 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2024-11-13 14:49:58,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 718 states.
[2024-11-13 14:49:58,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 718 to 716.
[2024-11-13 14:49:58,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 716 states, 715 states have (on average 1.3552447552447553) internal successors, (969), 715 states have internal predecessors, (969), 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)
[2024-11-13 14:49:58,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 969 transitions.
[2024-11-13 14:49:58,436 INFO L78 Accepts]: Start accepts. Automaton has 716 states and 969 transitions. Word has length 107
[2024-11-13 14:49:58,436 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 14:49:58,436 INFO L471 AbstractCegarLoop]: Abstraction has 716 states and 969 transitions.
[2024-11-13 14:49:58,437 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 2 states have internal predecessors, (107), 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)
[2024-11-13 14:49:58,437 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 969 transitions.
[2024-11-13 14:49:58,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112
[2024-11-13 14:49:58,440 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 14:49:58,441 INFO L215 NwaCegarLoop]: trace histogram [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, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 14:49:58,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-13 14:49:58,441 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 14:49:58,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 14:49:58,443 INFO L85 PathProgramCache]: Analyzing trace with hash 105494372, now seen corresponding path program 1 times
[2024-11-13 14:49:58,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 14:49:58,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300200555]
[2024-11-13 14:49:58,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:49:58,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 14:49:58,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:49:59,080 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-13 14:49:59,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 14:49:59,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300200555]
[2024-11-13 14:49:59,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300200555] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 14:49:59,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 14:49:59,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-13 14:49:59,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845471273]
[2024-11-13 14:49:59,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 14:49:59,081 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-13 14:49:59,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 14:49:59,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-13 14:49:59,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-13 14:49:59,083 INFO L87 Difference]: Start difference. First operand 716 states and 969 transitions. Second operand has 4 states, 4 states have (on average 27.75) internal successors, (111), 3 states have internal predecessors, (111), 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)
[2024-11-13 14:50:00,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 14:50:00,402 INFO L93 Difference]: Finished difference Result 1966 states and 2575 transitions.
[2024-11-13 14:50:00,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-13 14:50:00,403 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.75) internal successors, (111), 3 states have internal predecessors, (111), 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) Word has length 111
[2024-11-13 14:50:00,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 14:50:00,408 INFO L225 Difference]: With dead ends: 1966
[2024-11-13 14:50:00,409 INFO L226 Difference]: Without dead ends: 1252
[2024-11-13 14:50:00,410 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-13 14:50:00,411 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 421 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 978 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 421 SdHoareTripleChecker+Valid, 123 SdHoareTripleChecker+Invalid, 1019 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 978 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time
[2024-11-13 14:50:00,411 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [421 Valid, 123 Invalid, 1019 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 978 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time]
[2024-11-13 14:50:00,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1252 states.
[2024-11-13 14:50:00,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1252 to 1250.
[2024-11-13 14:50:00,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1250 states, 1249 states have (on average 1.2377902321857486) internal successors, (1546), 1249 states have internal predecessors, (1546), 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)
[2024-11-13 14:50:00,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 1250 states and 1546 transitions.
[2024-11-13 14:50:00,454 INFO L78 Accepts]: Start accepts. Automaton has 1250 states and 1546 transitions. Word has length 111
[2024-11-13 14:50:00,454 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 14:50:00,455 INFO L471 AbstractCegarLoop]: Abstraction has 1250 states and 1546 transitions.
[2024-11-13 14:50:00,455 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.75) internal successors, (111), 3 states have internal predecessors, (111), 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)
[2024-11-13 14:50:00,456 INFO L276 IsEmpty]: Start isEmpty. Operand 1250 states and 1546 transitions.
[2024-11-13 14:50:00,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192
[2024-11-13 14:50:00,464 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 14:50:00,464 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 14:50:00,464 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-13 14:50:00,464 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 14:50:00,465 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 14:50:00,467 INFO L85 PathProgramCache]: Analyzing trace with hash -694244328, now seen corresponding path program 1 times
[2024-11-13 14:50:00,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 14:50:00,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709438754]
[2024-11-13 14:50:00,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:50:00,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 14:50:00,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:50:00,964 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-11-13 14:50:00,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 14:50:00,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709438754]
[2024-11-13 14:50:00,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709438754] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 14:50:00,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 14:50:00,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-13 14:50:00,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520716791]
[2024-11-13 14:50:00,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 14:50:00,968 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-13 14:50:00,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 14:50:00,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-13 14:50:00,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-13 14:50:00,969 INFO L87 Difference]: Start difference. First operand 1250 states and 1546 transitions. Second operand has 4 states, 4 states have (on average 47.75) internal successors, (191), 3 states have internal predecessors, (191), 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)
[2024-11-13 14:50:02,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 14:50:02,076 INFO L93 Difference]: Finished difference Result 2707 states and 3359 transitions.
[2024-11-13 14:50:02,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-13 14:50:02,077 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 47.75) internal successors, (191), 3 states have internal predecessors, (191), 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) Word has length 191
[2024-11-13 14:50:02,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 14:50:02,085 INFO L225 Difference]: With dead ends: 2707
[2024-11-13 14:50:02,085 INFO L226 Difference]: Without dead ends: 1608
[2024-11-13 14:50:02,087 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-13 14:50:02,088 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 104 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 738 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 804 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 738 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2024-11-13 14:50:02,090 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 122 Invalid, 804 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 738 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2024-11-13 14:50:02,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1608 states.
[2024-11-13 14:50:02,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1608 to 1606.
[2024-11-13 14:50:02,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1606 states, 1605 states have (on average 1.12398753894081) internal successors, (1804), 1605 states have internal predecessors, (1804), 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)
[2024-11-13 14:50:02,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1606 states to 1606 states and 1804 transitions.
[2024-11-13 14:50:02,141 INFO L78 Accepts]: Start accepts. Automaton has 1606 states and 1804 transitions. Word has length 191
[2024-11-13 14:50:02,142 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 14:50:02,142 INFO L471 AbstractCegarLoop]: Abstraction has 1606 states and 1804 transitions.
[2024-11-13 14:50:02,143 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 47.75) internal successors, (191), 3 states have internal predecessors, (191), 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)
[2024-11-13 14:50:02,143 INFO L276 IsEmpty]: Start isEmpty. Operand 1606 states and 1804 transitions.
[2024-11-13 14:50:02,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319
[2024-11-13 14:50:02,148 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 14:50:02,148 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 14:50:02,149 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-13 14:50:02,149 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 14:50:02,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 14:50:02,150 INFO L85 PathProgramCache]: Analyzing trace with hash -1058963832, now seen corresponding path program 1 times
[2024-11-13 14:50:02,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 14:50:02,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50905597]
[2024-11-13 14:50:02,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:50:02,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 14:50:02,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:50:02,944 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 137 proven. 130 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked.
[2024-11-13 14:50:02,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 14:50:02,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50905597]
[2024-11-13 14:50:02,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50905597] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-13 14:50:02,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2015890612]
[2024-11-13 14:50:02,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:50:02,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-13 14:50:02,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fb1b10-b01f-4532-80d4-7c896c67b02c/bin/uautomizer-verify-qhAvR1uOyd/z3
[2024-11-13 14:50:02,948 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fb1b10-b01f-4532-80d4-7c896c67b02c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-13 14:50:02,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fb1b10-b01f-4532-80d4-7c896c67b02c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-13 14:50:03,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:50:03,135 INFO L255 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-13 14:50:03,148 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-13 14:50:03,791 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked.
[2024-11-13 14:50:03,791 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-13 14:50:03,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2015890612] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 14:50:03,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-13 14:50:03,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5
[2024-11-13 14:50:03,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005735582]
[2024-11-13 14:50:03,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 14:50:03,793 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 14:50:03,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 14:50:03,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 14:50:03,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2024-11-13 14:50:03,794 INFO L87 Difference]: Start difference. First operand 1606 states and 1804 transitions. Second operand has 3 states, 3 states have (on average 47.0) internal successors, (141), 2 states have internal predecessors, (141), 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)
[2024-11-13 14:50:04,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 14:50:04,620 INFO L93 Difference]: Finished difference Result 3388 states and 3907 transitions.
[2024-11-13 14:50:04,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-13 14:50:04,621 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 2 states have internal predecessors, (141), 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) Word has length 318
[2024-11-13 14:50:04,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 14:50:04,628 INFO L225 Difference]: With dead ends: 3388
[2024-11-13 14:50:04,629 INFO L226 Difference]: Without dead ends: 1962
[2024-11-13 14:50:04,631 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 317 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30
[2024-11-13 14:50:04,631 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 82 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 402 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2024-11-13 14:50:04,632 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 47 Invalid, 526 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 402 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2024-11-13 14:50:04,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1962 states.
[2024-11-13 14:50:04,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1962 to 1962.
[2024-11-13 14:50:04,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1962 states, 1961 states have (on average 1.122386537480877) internal successors, (2201), 1961 states have internal predecessors, (2201), 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)
[2024-11-13 14:50:04,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1962 states to 1962 states and 2201 transitions.
[2024-11-13 14:50:04,685 INFO L78 Accepts]: Start accepts. Automaton has 1962 states and 2201 transitions. Word has length 318
[2024-11-13 14:50:04,686 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 14:50:04,686 INFO L471 AbstractCegarLoop]: Abstraction has 1962 states and 2201 transitions.
[2024-11-13 14:50:04,686 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.0) internal successors, (141), 2 states have internal predecessors, (141), 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)
[2024-11-13 14:50:04,686 INFO L276 IsEmpty]: Start isEmpty. Operand 1962 states and 2201 transitions.
[2024-11-13 14:50:04,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323
[2024-11-13 14:50:04,691 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 14:50:04,691 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 14:50:04,714 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fb1b10-b01f-4532-80d4-7c896c67b02c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-11-13 14:50:04,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fb1b10-b01f-4532-80d4-7c896c67b02c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-13 14:50:04,900 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 14:50:04,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 14:50:04,900 INFO L85 PathProgramCache]: Analyzing trace with hash 210416318, now seen corresponding path program 1 times
[2024-11-13 14:50:04,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 14:50:04,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073496839]
[2024-11-13 14:50:04,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:50:04,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 14:50:04,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:50:05,447 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 246 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked.
[2024-11-13 14:50:05,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 14:50:05,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073496839]
[2024-11-13 14:50:05,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073496839] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 14:50:05,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 14:50:05,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-13 14:50:05,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154616883]
[2024-11-13 14:50:05,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 14:50:05,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 14:50:05,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 14:50:05,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 14:50:05,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-13 14:50:05,450 INFO L87 Difference]: Start difference. First operand 1962 states and 2201 transitions. Second operand has 3 states, 3 states have (on average 73.0) internal successors, (219), 3 states have internal predecessors, (219), 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)
[2024-11-13 14:50:06,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 14:50:06,208 INFO L93 Difference]: Finished difference Result 4100 states and 4648 transitions.
[2024-11-13 14:50:06,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-13 14:50:06,209 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 73.0) internal successors, (219), 3 states have internal predecessors, (219), 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) Word has length 322
[2024-11-13 14:50:06,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 14:50:06,217 INFO L225 Difference]: With dead ends: 4100
[2024-11-13 14:50:06,217 INFO L226 Difference]: Without dead ends: 2318
[2024-11-13 14:50:06,219 INFO L431 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
[2024-11-13 14:50:06,220 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 101 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-11-13 14:50:06,220 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 77 Invalid, 492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 469 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-11-13 14:50:06,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2318 states.
[2024-11-13 14:50:06,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2318 to 2318.
[2024-11-13 14:50:06,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2318 states, 2317 states have (on average 1.1204143288735433) internal successors, (2596), 2317 states have internal predecessors, (2596), 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)
[2024-11-13 14:50:06,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2318 states to 2318 states and 2596 transitions.
[2024-11-13 14:50:06,274 INFO L78 Accepts]: Start accepts. Automaton has 2318 states and 2596 transitions. Word has length 322
[2024-11-13 14:50:06,275 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 14:50:06,275 INFO L471 AbstractCegarLoop]: Abstraction has 2318 states and 2596 transitions.
[2024-11-13 14:50:06,275 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 73.0) internal successors, (219), 3 states have internal predecessors, (219), 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)
[2024-11-13 14:50:06,275 INFO L276 IsEmpty]: Start isEmpty. Operand 2318 states and 2596 transitions.
[2024-11-13 14:50:06,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350
[2024-11-13 14:50:06,280 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 14:50:06,281 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1]
[2024-11-13 14:50:06,281 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-13 14:50:06,281 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 14:50:06,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 14:50:06,282 INFO L85 PathProgramCache]: Analyzing trace with hash -639053277, now seen corresponding path program 1 times
[2024-11-13 14:50:06,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 14:50:06,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676855744]
[2024-11-13 14:50:06,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:50:06,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 14:50:06,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:50:06,849 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 0 proven. 143 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked.
[2024-11-13 14:50:06,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 14:50:06,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676855744]
[2024-11-13 14:50:06,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676855744] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-13 14:50:06,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1613903916]
[2024-11-13 14:50:06,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:50:06,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-13 14:50:06,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fb1b10-b01f-4532-80d4-7c896c67b02c/bin/uautomizer-verify-qhAvR1uOyd/z3
[2024-11-13 14:50:06,852 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fb1b10-b01f-4532-80d4-7c896c67b02c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-13 14:50:06,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fb1b10-b01f-4532-80d4-7c896c67b02c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-13 14:50:07,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:50:07,046 INFO L255 TraceCheckSpWp]: Trace formula consists of 462 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-13 14:50:07,056 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-13 14:50:07,672 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 403 trivial. 0 not checked.
[2024-11-13 14:50:07,672 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-13 14:50:07,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1613903916] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 14:50:07,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-13 14:50:07,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4
[2024-11-13 14:50:07,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124971920]
[2024-11-13 14:50:07,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 14:50:07,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 14:50:07,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 14:50:07,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 14:50:07,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-13 14:50:07,674 INFO L87 Difference]: Start difference. First operand 2318 states and 2596 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 2 states have internal predecessors, (111), 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)
[2024-11-13 14:50:08,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 14:50:08,447 INFO L93 Difference]: Finished difference Result 2854 states and 3202 transitions.
[2024-11-13 14:50:08,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-13 14:50:08,448 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 2 states have internal predecessors, (111), 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) Word has length 349
[2024-11-13 14:50:08,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 14:50:08,458 INFO L225 Difference]: With dead ends: 2854
[2024-11-13 14:50:08,458 INFO L226 Difference]: Without dead ends: 2852
[2024-11-13 14:50:08,460 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 351 GetRequests, 348 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-13 14:50:08,460 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 90 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 486 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 486 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-11-13 14:50:08,460 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 24 Invalid, 500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 486 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-11-13 14:50:08,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2852 states.
[2024-11-13 14:50:08,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2852 to 2496.
[2024-11-13 14:50:08,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2496 states, 2495 states have (on average 1.1254509018036072) internal successors, (2808), 2495 states have internal predecessors, (2808), 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)
[2024-11-13 14:50:08,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2496 states to 2496 states and 2808 transitions.
[2024-11-13 14:50:08,533 INFO L78 Accepts]: Start accepts. Automaton has 2496 states and 2808 transitions. Word has length 349
[2024-11-13 14:50:08,534 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 14:50:08,534 INFO L471 AbstractCegarLoop]: Abstraction has 2496 states and 2808 transitions.
[2024-11-13 14:50:08,535 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 2 states have internal predecessors, (111), 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)
[2024-11-13 14:50:08,535 INFO L276 IsEmpty]: Start isEmpty. Operand 2496 states and 2808 transitions.
[2024-11-13 14:50:08,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403
[2024-11-13 14:50:08,542 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 14:50:08,543 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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]
[2024-11-13 14:50:08,564 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fb1b10-b01f-4532-80d4-7c896c67b02c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-11-13 14:50:08,743 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fb1b10-b01f-4532-80d4-7c896c67b02c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6
[2024-11-13 14:50:08,744 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 14:50:08,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 14:50:08,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1054466930, now seen corresponding path program 1 times
[2024-11-13 14:50:08,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 14:50:08,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322073194]
[2024-11-13 14:50:08,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:50:08,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 14:50:08,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:50:09,277 INFO L134 CoverageAnalysis]: Checked inductivity of 618 backedges. 354 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked.
[2024-11-13 14:50:09,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 14:50:09,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322073194]
[2024-11-13 14:50:09,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322073194] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 14:50:09,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 14:50:09,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-13 14:50:09,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070236613]
[2024-11-13 14:50:09,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 14:50:09,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-13 14:50:09,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 14:50:09,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-13 14:50:09,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-13 14:50:09,281 INFO L87 Difference]: Start difference. First operand 2496 states and 2808 transitions. Second operand has 4 states, 4 states have (on average 55.0) internal successors, (220), 3 states have internal predecessors, (220), 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)
[2024-11-13 14:50:10,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 14:50:10,198 INFO L93 Difference]: Finished difference Result 5048 states and 5689 transitions.
[2024-11-13 14:50:10,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-13 14:50:10,198 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 55.0) internal successors, (220), 3 states have internal predecessors, (220), 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) Word has length 402
[2024-11-13 14:50:10,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 14:50:10,207 INFO L225 Difference]: With dead ends: 5048
[2024-11-13 14:50:10,207 INFO L226 Difference]: Without dead ends: 2674
[2024-11-13 14:50:10,210 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-13 14:50:10,211 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 141 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 685 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 731 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 685 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2024-11-13 14:50:10,211 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 17 Invalid, 731 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 685 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2024-11-13 14:50:10,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2674 states.
[2024-11-13 14:50:10,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2674 to 2496.
[2024-11-13 14:50:10,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2496 states, 2495 states have (on average 1.0849699398797594) internal successors, (2707), 2495 states have internal predecessors, (2707), 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)
[2024-11-13 14:50:10,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2496 states to 2496 states and 2707 transitions.
[2024-11-13 14:50:10,273 INFO L78 Accepts]: Start accepts. Automaton has 2496 states and 2707 transitions. Word has length 402
[2024-11-13 14:50:10,274 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 14:50:10,274 INFO L471 AbstractCegarLoop]: Abstraction has 2496 states and 2707 transitions.
[2024-11-13 14:50:10,274 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 55.0) internal successors, (220), 3 states have internal predecessors, (220), 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)
[2024-11-13 14:50:10,274 INFO L276 IsEmpty]: Start isEmpty. Operand 2496 states and 2707 transitions.
[2024-11-13 14:50:10,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 429
[2024-11-13 14:50:10,285 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 14:50:10,285 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1]
[2024-11-13 14:50:10,286 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-11-13 14:50:10,286 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 14:50:10,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 14:50:10,287 INFO L85 PathProgramCache]: Analyzing trace with hash -139962413, now seen corresponding path program 2 times
[2024-11-13 14:50:10,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 14:50:10,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731548487]
[2024-11-13 14:50:10,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:50:10,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 14:50:10,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:50:11,229 INFO L134 CoverageAnalysis]: Checked inductivity of 669 backedges. 369 proven. 195 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked.
[2024-11-13 14:50:11,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 14:50:11,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731548487]
[2024-11-13 14:50:11,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731548487] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-13 14:50:11,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1172031212]
[2024-11-13 14:50:11,230 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-13 14:50:11,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-13 14:50:11,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fb1b10-b01f-4532-80d4-7c896c67b02c/bin/uautomizer-verify-qhAvR1uOyd/z3
[2024-11-13 14:50:11,233 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fb1b10-b01f-4532-80d4-7c896c67b02c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-13 14:50:11,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fb1b10-b01f-4532-80d4-7c896c67b02c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-11-13 14:50:11,423 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-11-13 14:50:11,423 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-13 14:50:11,426 INFO L255 TraceCheckSpWp]: Trace formula consists of 561 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-13 14:50:11,432 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-13 14:50:12,325 INFO L134 CoverageAnalysis]: Checked inductivity of 669 backedges. 355 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked.
[2024-11-13 14:50:12,325 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-13 14:50:12,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1172031212] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 14:50:12,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-13 14:50:12,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7
[2024-11-13 14:50:12,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466456533]
[2024-11-13 14:50:12,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 14:50:12,327 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-13 14:50:12,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 14:50:12,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-13 14:50:12,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2024-11-13 14:50:12,328 INFO L87 Difference]: Start difference. First operand 2496 states and 2707 transitions. Second operand has 4 states, 4 states have (on average 55.0) internal successors, (220), 3 states have internal predecessors, (220), 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)
[2024-11-13 14:50:13,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 14:50:13,438 INFO L93 Difference]: Finished difference Result 5524 states and 6045 transitions.
[2024-11-13 14:50:13,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-13 14:50:13,438 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 55.0) internal successors, (220), 3 states have internal predecessors, (220), 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) Word has length 428
[2024-11-13 14:50:13,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 14:50:13,449 INFO L225 Difference]: With dead ends: 5524
[2024-11-13 14:50:13,450 INFO L226 Difference]: Without dead ends: 3208
[2024-11-13 14:50:13,452 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 432 GetRequests, 426 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2024-11-13 14:50:13,454 INFO L432 NwaCegarLoop]: 7 mSDtfsCounter, 265 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 641 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 265 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 710 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 641 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2024-11-13 14:50:13,455 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [265 Valid, 14 Invalid, 710 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 641 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2024-11-13 14:50:13,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3208 states.
[2024-11-13 14:50:13,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3208 to 2852.
[2024-11-13 14:50:13,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2852 states, 2851 states have (on average 1.0771659066994037) internal successors, (3071), 2851 states have internal predecessors, (3071), 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)
[2024-11-13 14:50:13,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2852 states to 2852 states and 3071 transitions.
[2024-11-13 14:50:13,523 INFO L78 Accepts]: Start accepts. Automaton has 2852 states and 3071 transitions. Word has length 428
[2024-11-13 14:50:13,524 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 14:50:13,524 INFO L471 AbstractCegarLoop]: Abstraction has 2852 states and 3071 transitions.
[2024-11-13 14:50:13,524 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 55.0) internal successors, (220), 3 states have internal predecessors, (220), 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)
[2024-11-13 14:50:13,524 INFO L276 IsEmpty]: Start isEmpty. Operand 2852 states and 3071 transitions.
[2024-11-13 14:50:13,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 436
[2024-11-13 14:50:13,531 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 14:50:13,531 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 14:50:13,552 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fb1b10-b01f-4532-80d4-7c896c67b02c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2024-11-13 14:50:13,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fb1b10-b01f-4532-80d4-7c896c67b02c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-13 14:50:13,736 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 14:50:13,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 14:50:13,736 INFO L85 PathProgramCache]: Analyzing trace with hash -1547192147, now seen corresponding path program 1 times
[2024-11-13 14:50:13,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 14:50:13,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912847355]
[2024-11-13 14:50:13,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:50:13,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 14:50:13,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:50:14,248 INFO L134 CoverageAnalysis]: Checked inductivity of 669 backedges. 355 proven. 0 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked.
[2024-11-13 14:50:14,248 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 14:50:14,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912847355]
[2024-11-13 14:50:14,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912847355] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 14:50:14,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 14:50:14,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-13 14:50:14,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250826191]
[2024-11-13 14:50:14,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 14:50:14,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 14:50:14,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 14:50:14,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 14:50:14,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-13 14:50:14,251 INFO L87 Difference]: Start difference. First operand 2852 states and 3071 transitions. Second operand has 3 states, 3 states have (on average 75.66666666666667) internal successors, (227), 3 states have internal predecessors, (227), 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)
[2024-11-13 14:50:14,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 14:50:14,980 INFO L93 Difference]: Finished difference Result 6058 states and 6601 transitions.
[2024-11-13 14:50:14,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-13 14:50:14,980 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 75.66666666666667) internal successors, (227), 3 states have internal predecessors, (227), 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) Word has length 435
[2024-11-13 14:50:14,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 14:50:14,992 INFO L225 Difference]: With dead ends: 6058
[2024-11-13 14:50:14,992 INFO L226 Difference]: Without dead ends: 3386
[2024-11-13 14:50:14,995 INFO L431 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
[2024-11-13 14:50:14,996 INFO L432 NwaCegarLoop]: 215 mSDtfsCounter, 103 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 425 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-11-13 14:50:14,997 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 220 Invalid, 469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 425 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-11-13 14:50:15,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3386 states.
[2024-11-13 14:50:15,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3386 to 3208.
[2024-11-13 14:50:15,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3208 states, 3207 states have (on average 1.079513564078578) internal successors, (3462), 3207 states have internal predecessors, (3462), 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)
[2024-11-13 14:50:15,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3208 states to 3208 states and 3462 transitions.
[2024-11-13 14:50:15,062 INFO L78 Accepts]: Start accepts. Automaton has 3208 states and 3462 transitions. Word has length 435
[2024-11-13 14:50:15,063 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 14:50:15,063 INFO L471 AbstractCegarLoop]: Abstraction has 3208 states and 3462 transitions.
[2024-11-13 14:50:15,064 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 75.66666666666667) internal successors, (227), 3 states have internal predecessors, (227), 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)
[2024-11-13 14:50:15,064 INFO L276 IsEmpty]: Start isEmpty. Operand 3208 states and 3462 transitions.
[2024-11-13 14:50:15,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 481
[2024-11-13 14:50:15,074 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 14:50:15,074 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 14:50:15,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-11-13 14:50:15,075 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 14:50:15,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 14:50:15,076 INFO L85 PathProgramCache]: Analyzing trace with hash 983438485, now seen corresponding path program 1 times
[2024-11-13 14:50:15,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 14:50:15,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572941053]
[2024-11-13 14:50:15,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:50:15,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 14:50:15,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:50:15,945 INFO L134 CoverageAnalysis]: Checked inductivity of 669 backedges. 369 proven. 195 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked.
[2024-11-13 14:50:15,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 14:50:15,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572941053]
[2024-11-13 14:50:15,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572941053] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-13 14:50:15,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [902010811]
[2024-11-13 14:50:15,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:50:15,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-13 14:50:15,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fb1b10-b01f-4532-80d4-7c896c67b02c/bin/uautomizer-verify-qhAvR1uOyd/z3
[2024-11-13 14:50:15,948 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fb1b10-b01f-4532-80d4-7c896c67b02c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-13 14:50:15,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fb1b10-b01f-4532-80d4-7c896c67b02c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-11-13 14:50:16,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:50:16,196 INFO L255 TraceCheckSpWp]: Trace formula consists of 613 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-13 14:50:16,202 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-13 14:50:16,948 INFO L134 CoverageAnalysis]: Checked inductivity of 669 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 550 trivial. 0 not checked.
[2024-11-13 14:50:16,948 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-13 14:50:16,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [902010811] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 14:50:16,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-13 14:50:16,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6
[2024-11-13 14:50:16,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681439095]
[2024-11-13 14:50:16,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 14:50:16,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 14:50:16,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 14:50:16,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 14:50:16,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42
[2024-11-13 14:50:16,951 INFO L87 Difference]: Start difference. First operand 3208 states and 3462 transitions. Second operand has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 2 states have internal predecessors, (194), 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)
[2024-11-13 14:50:17,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 14:50:17,620 INFO L93 Difference]: Finished difference Result 6592 states and 7125 transitions.
[2024-11-13 14:50:17,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-13 14:50:17,621 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 2 states have internal predecessors, (194), 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) Word has length 480
[2024-11-13 14:50:17,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 14:50:17,635 INFO L225 Difference]: With dead ends: 6592
[2024-11-13 14:50:17,635 INFO L226 Difference]: Without dead ends: 3742
[2024-11-13 14:50:17,639 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 484 GetRequests, 479 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42
[2024-11-13 14:50:17,640 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 27 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 416 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-11-13 14:50:17,641 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 50 Invalid, 432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 416 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-11-13 14:50:17,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3742 states.
[2024-11-13 14:50:17,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3742 to 3386.
[2024-11-13 14:50:17,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3386 states, 3385 states have (on average 1.076218611521418) internal successors, (3643), 3385 states have internal predecessors, (3643), 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)
[2024-11-13 14:50:17,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3386 states to 3386 states and 3643 transitions.
[2024-11-13 14:50:17,763 INFO L78 Accepts]: Start accepts. Automaton has 3386 states and 3643 transitions. Word has length 480
[2024-11-13 14:50:17,764 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 14:50:17,764 INFO L471 AbstractCegarLoop]: Abstraction has 3386 states and 3643 transitions.
[2024-11-13 14:50:17,764 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.66666666666667) internal successors, (194), 2 states have internal predecessors, (194), 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)
[2024-11-13 14:50:17,767 INFO L276 IsEmpty]: Start isEmpty. Operand 3386 states and 3643 transitions.
[2024-11-13 14:50:17,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 498
[2024-11-13 14:50:17,771 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 14:50:17,771 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 14:50:17,792 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fb1b10-b01f-4532-80d4-7c896c67b02c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2024-11-13 14:50:17,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fb1b10-b01f-4532-80d4-7c896c67b02c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-13 14:50:17,972 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 14:50:17,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 14:50:17,973 INFO L85 PathProgramCache]: Analyzing trace with hash -637561526, now seen corresponding path program 1 times
[2024-11-13 14:50:17,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 14:50:17,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680985210]
[2024-11-13 14:50:17,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:50:17,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 14:50:18,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:50:18,468 INFO L134 CoverageAnalysis]: Checked inductivity of 974 backedges. 630 proven. 0 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked.
[2024-11-13 14:50:18,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 14:50:18,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680985210]
[2024-11-13 14:50:18,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680985210] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 14:50:18,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 14:50:18,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-13 14:50:18,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843924741]
[2024-11-13 14:50:18,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 14:50:18,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 14:50:18,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 14:50:18,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 14:50:18,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-13 14:50:18,473 INFO L87 Difference]: Start difference. First operand 3386 states and 3643 transitions. Second operand has 3 states, 3 states have (on average 86.66666666666667) internal successors, (260), 3 states have internal predecessors, (260), 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)
[2024-11-13 14:50:19,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 14:50:19,207 INFO L93 Difference]: Finished difference Result 6592 states and 7105 transitions.
[2024-11-13 14:50:19,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-13 14:50:19,208 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 86.66666666666667) internal successors, (260), 3 states have internal predecessors, (260), 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) Word has length 497
[2024-11-13 14:50:19,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 14:50:19,217 INFO L225 Difference]: With dead ends: 6592
[2024-11-13 14:50:19,217 INFO L226 Difference]: Without dead ends: 3386
[2024-11-13 14:50:19,220 INFO L431 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
[2024-11-13 14:50:19,220 INFO L432 NwaCegarLoop]: 240 mSDtfsCounter, 111 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 409 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 409 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-11-13 14:50:19,221 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 244 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 409 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-11-13 14:50:19,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3386 states.
[2024-11-13 14:50:19,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3386 to 2674.
[2024-11-13 14:50:19,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2674 states, 2673 states have (on average 1.08791619902731) internal successors, (2908), 2673 states have internal predecessors, (2908), 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)
[2024-11-13 14:50:19,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2674 states to 2674 states and 2908 transitions.
[2024-11-13 14:50:19,282 INFO L78 Accepts]: Start accepts. Automaton has 2674 states and 2908 transitions. Word has length 497
[2024-11-13 14:50:19,282 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 14:50:19,283 INFO L471 AbstractCegarLoop]: Abstraction has 2674 states and 2908 transitions.
[2024-11-13 14:50:19,283 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 86.66666666666667) internal successors, (260), 3 states have internal predecessors, (260), 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)
[2024-11-13 14:50:19,283 INFO L276 IsEmpty]: Start isEmpty. Operand 2674 states and 2908 transitions.
[2024-11-13 14:50:19,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 546
[2024-11-13 14:50:19,291 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 14:50:19,291 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 14:50:19,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2024-11-13 14:50:19,292 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 14:50:19,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 14:50:19,292 INFO L85 PathProgramCache]: Analyzing trace with hash -10413876, now seen corresponding path program 1 times
[2024-11-13 14:50:19,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 14:50:19,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275408991]
[2024-11-13 14:50:19,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:50:19,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 14:50:19,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:50:19,691 INFO L134 CoverageAnalysis]: Checked inductivity of 1098 backedges. 754 proven. 0 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked.
[2024-11-13 14:50:19,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 14:50:19,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275408991]
[2024-11-13 14:50:19,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275408991] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 14:50:19,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 14:50:19,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-13 14:50:19,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763357711]
[2024-11-13 14:50:19,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 14:50:19,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 14:50:19,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 14:50:19,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 14:50:19,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-13 14:50:19,695 INFO L87 Difference]: Start difference. First operand 2674 states and 2908 transitions. Second operand has 3 states, 3 states have (on average 102.66666666666667) internal successors, (308), 3 states have internal predecessors, (308), 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)
[2024-11-13 14:50:20,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 14:50:20,442 INFO L93 Difference]: Finished difference Result 6236 states and 6831 transitions.
[2024-11-13 14:50:20,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-13 14:50:20,443 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 102.66666666666667) internal successors, (308), 3 states have internal predecessors, (308), 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) Word has length 545
[2024-11-13 14:50:20,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 14:50:20,455 INFO L225 Difference]: With dead ends: 6236
[2024-11-13 14:50:20,455 INFO L226 Difference]: Without dead ends: 3742
[2024-11-13 14:50:20,458 INFO L431 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
[2024-11-13 14:50:20,459 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 74 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 423 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-11-13 14:50:20,459 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 50 Invalid, 478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 423 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-11-13 14:50:20,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3742 states.
[2024-11-13 14:50:20,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3742 to 3742.
[2024-11-13 14:50:20,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3742 states, 3741 states have (on average 1.0815290029403903) internal successors, (4046), 3741 states have internal predecessors, (4046), 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)
[2024-11-13 14:50:20,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3742 states to 3742 states and 4046 transitions.
[2024-11-13 14:50:20,527 INFO L78 Accepts]: Start accepts. Automaton has 3742 states and 4046 transitions. Word has length 545
[2024-11-13 14:50:20,528 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 14:50:20,529 INFO L471 AbstractCegarLoop]: Abstraction has 3742 states and 4046 transitions.
[2024-11-13 14:50:20,529 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 102.66666666666667) internal successors, (308), 3 states have internal predecessors, (308), 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)
[2024-11-13 14:50:20,529 INFO L276 IsEmpty]: Start isEmpty. Operand 3742 states and 4046 transitions.
[2024-11-13 14:50:20,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 582
[2024-11-13 14:50:20,535 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 14:50:20,535 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 14:50:20,535 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2024-11-13 14:50:20,535 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 14:50:20,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 14:50:20,536 INFO L85 PathProgramCache]: Analyzing trace with hash -1757407751, now seen corresponding path program 1 times
[2024-11-13 14:50:20,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 14:50:20,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988072947]
[2024-11-13 14:50:20,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:50:20,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 14:50:20,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:50:21,043 INFO L134 CoverageAnalysis]: Checked inductivity of 1380 backedges. 967 proven. 0 refuted. 0 times theorem prover too weak. 413 trivial. 0 not checked.
[2024-11-13 14:50:21,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 14:50:21,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988072947]
[2024-11-13 14:50:21,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988072947] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 14:50:21,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 14:50:21,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-13 14:50:21,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309196586]
[2024-11-13 14:50:21,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 14:50:21,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 14:50:21,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 14:50:21,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 14:50:21,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-13 14:50:21,046 INFO L87 Difference]: Start difference. First operand 3742 states and 4046 transitions. Second operand has 3 states, 3 states have (on average 92.0) internal successors, (276), 3 states have internal predecessors, (276), 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)
[2024-11-13 14:50:21,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 14:50:21,788 INFO L93 Difference]: Finished difference Result 7482 states and 8092 transitions.
[2024-11-13 14:50:21,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-13 14:50:21,789 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 92.0) internal successors, (276), 3 states have internal predecessors, (276), 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) Word has length 581
[2024-11-13 14:50:21,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 14:50:21,811 INFO L225 Difference]: With dead ends: 7482
[2024-11-13 14:50:21,812 INFO L226 Difference]: Without dead ends: 3920
[2024-11-13 14:50:21,817 INFO L431 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
[2024-11-13 14:50:21,818 INFO L432 NwaCegarLoop]: 238 mSDtfsCounter, 102 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 417 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 417 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-11-13 14:50:21,819 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 243 Invalid, 438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 417 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-11-13 14:50:21,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3920 states.
[2024-11-13 14:50:21,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3920 to 3742.
[2024-11-13 14:50:21,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3742 states, 3741 states have (on average 1.0692328254477412) internal successors, (4000), 3741 states have internal predecessors, (4000), 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)
[2024-11-13 14:50:21,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3742 states to 3742 states and 4000 transitions.
[2024-11-13 14:50:21,880 INFO L78 Accepts]: Start accepts. Automaton has 3742 states and 4000 transitions. Word has length 581
[2024-11-13 14:50:21,880 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 14:50:21,881 INFO L471 AbstractCegarLoop]: Abstraction has 3742 states and 4000 transitions.
[2024-11-13 14:50:21,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 92.0) internal successors, (276), 3 states have internal predecessors, (276), 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)
[2024-11-13 14:50:21,883 INFO L276 IsEmpty]: Start isEmpty. Operand 3742 states and 4000 transitions.
[2024-11-13 14:50:21,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 769
[2024-11-13 14:50:21,891 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 14:50:21,891 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 14:50:21,891 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2024-11-13 14:50:21,892 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 14:50:21,892 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 14:50:21,892 INFO L85 PathProgramCache]: Analyzing trace with hash 1496512862, now seen corresponding path program 1 times
[2024-11-13 14:50:21,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 14:50:21,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823570724]
[2024-11-13 14:50:21,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:50:21,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 14:50:22,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:50:22,524 INFO L134 CoverageAnalysis]: Checked inductivity of 1703 backedges. 1204 proven. 155 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked.
[2024-11-13 14:50:22,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 14:50:22,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823570724]
[2024-11-13 14:50:22,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823570724] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-13 14:50:22,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1768105610]
[2024-11-13 14:50:22,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:50:22,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-13 14:50:22,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fb1b10-b01f-4532-80d4-7c896c67b02c/bin/uautomizer-verify-qhAvR1uOyd/z3
[2024-11-13 14:50:22,527 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fb1b10-b01f-4532-80d4-7c896c67b02c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-13 14:50:22,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fb1b10-b01f-4532-80d4-7c896c67b02c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2024-11-13 14:50:22,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:50:22,841 INFO L255 TraceCheckSpWp]: Trace formula consists of 950 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-13 14:50:22,857 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-13 14:50:22,960 INFO L134 CoverageAnalysis]: Checked inductivity of 1703 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 1524 trivial. 0 not checked.
[2024-11-13 14:50:22,961 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-13 14:50:22,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1768105610] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 14:50:22,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-13 14:50:22,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5
[2024-11-13 14:50:22,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543137789]
[2024-11-13 14:50:22,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 14:50:22,962 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 14:50:22,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 14:50:22,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 14:50:22,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-13 14:50:22,964 INFO L87 Difference]: Start difference. First operand 3742 states and 4000 transitions. Second operand has 3 states, 3 states have (on average 71.0) internal successors, (213), 3 states have internal predecessors, (213), 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)
[2024-11-13 14:50:23,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 14:50:23,609 INFO L93 Difference]: Finished difference Result 4990 states and 5307 transitions.
[2024-11-13 14:50:23,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-13 14:50:23,609 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 71.0) internal successors, (213), 3 states have internal predecessors, (213), 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) Word has length 768
[2024-11-13 14:50:23,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 14:50:23,620 INFO L225 Difference]: With dead ends: 4990
[2024-11-13 14:50:23,620 INFO L226 Difference]: Without dead ends: 4988
[2024-11-13 14:50:23,622 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 771 GetRequests, 768 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-13 14:50:23,623 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 170 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 434 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 459 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-11-13 14:50:23,623 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 17 Invalid, 459 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 434 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-11-13 14:50:23,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4988 states.
[2024-11-13 14:50:23,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4988 to 3920.
[2024-11-13 14:50:23,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3920 states, 3919 states have (on average 1.0722122990558816) internal successors, (4202), 3919 states have internal predecessors, (4202), 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)
[2024-11-13 14:50:23,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3920 states to 3920 states and 4202 transitions.
[2024-11-13 14:50:23,689 INFO L78 Accepts]: Start accepts. Automaton has 3920 states and 4202 transitions. Word has length 768
[2024-11-13 14:50:23,690 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 14:50:23,690 INFO L471 AbstractCegarLoop]: Abstraction has 3920 states and 4202 transitions.
[2024-11-13 14:50:23,690 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.0) internal successors, (213), 3 states have internal predecessors, (213), 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)
[2024-11-13 14:50:23,690 INFO L276 IsEmpty]: Start isEmpty. Operand 3920 states and 4202 transitions.
[2024-11-13 14:50:23,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 777
[2024-11-13 14:50:23,700 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 14:50:23,701 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 14:50:23,724 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fb1b10-b01f-4532-80d4-7c896c67b02c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0
[2024-11-13 14:50:23,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fb1b10-b01f-4532-80d4-7c896c67b02c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14
[2024-11-13 14:50:23,902 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 14:50:23,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 14:50:23,902 INFO L85 PathProgramCache]: Analyzing trace with hash 1694394954, now seen corresponding path program 1 times
[2024-11-13 14:50:23,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 14:50:23,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089284494]
[2024-11-13 14:50:23,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:50:23,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 14:50:24,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:50:24,526 INFO L134 CoverageAnalysis]: Checked inductivity of 1743 backedges. 1244 proven. 155 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked.
[2024-11-13 14:50:24,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 14:50:24,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089284494]
[2024-11-13 14:50:24,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089284494] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-13 14:50:24,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1233257838]
[2024-11-13 14:50:24,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:50:24,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-13 14:50:24,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fb1b10-b01f-4532-80d4-7c896c67b02c/bin/uautomizer-verify-qhAvR1uOyd/z3
[2024-11-13 14:50:24,529 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fb1b10-b01f-4532-80d4-7c896c67b02c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-13 14:50:24,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fb1b10-b01f-4532-80d4-7c896c67b02c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2024-11-13 14:50:24,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:50:24,826 INFO L255 TraceCheckSpWp]: Trace formula consists of 957 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-13 14:50:24,835 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-13 14:50:24,916 INFO L134 CoverageAnalysis]: Checked inductivity of 1743 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 1564 trivial. 0 not checked.
[2024-11-13 14:50:24,917 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-13 14:50:24,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1233257838] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 14:50:24,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-13 14:50:24,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5
[2024-11-13 14:50:24,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901415491]
[2024-11-13 14:50:24,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 14:50:24,918 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 14:50:24,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 14:50:24,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 14:50:24,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-13 14:50:24,919 INFO L87 Difference]: Start difference. First operand 3920 states and 4202 transitions. Second operand has 3 states, 3 states have (on average 71.0) internal successors, (213), 3 states have internal predecessors, (213), 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)
[2024-11-13 14:50:25,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 14:50:25,576 INFO L93 Difference]: Finished difference Result 8370 states and 9034 transitions.
[2024-11-13 14:50:25,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-13 14:50:25,577 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 71.0) internal successors, (213), 3 states have internal predecessors, (213), 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) Word has length 776
[2024-11-13 14:50:25,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 14:50:25,579 INFO L225 Difference]: With dead ends: 8370
[2024-11-13 14:50:25,579 INFO L226 Difference]: Without dead ends: 0
[2024-11-13 14:50:25,584 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 779 GetRequests, 776 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-13 14:50:25,584 INFO L432 NwaCegarLoop]: 228 mSDtfsCounter, 149 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 430 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-11-13 14:50:25,585 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 232 Invalid, 478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 430 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-11-13 14:50:25,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-11-13 14:50:25,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-11-13 14:50:25,586 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)
[2024-11-13 14:50:25,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-11-13 14:50:25,586 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 776
[2024-11-13 14:50:25,587 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 14:50:25,587 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-11-13 14:50:25,587 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.0) internal successors, (213), 3 states have internal predecessors, (213), 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)
[2024-11-13 14:50:25,587 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-11-13 14:50:25,587 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-11-13 14:50:25,591 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-13 14:50:25,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fb1b10-b01f-4532-80d4-7c896c67b02c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0
[2024-11-13 14:50:25,792 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fb1b10-b01f-4532-80d4-7c896c67b02c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15
[2024-11-13 14:50:25,795 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 14:50:25,796 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-11-13 14:50:26,475 INFO L173 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-13 14:50:26,495 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 02:50:26 BoogieIcfgContainer
[2024-11-13 14:50:26,495 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-13 14:50:26,496 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-13 14:50:26,496 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-13 14:50:26,497 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-13 14:50:26,498 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:49:54" (3/4) ...
[2024-11-13 14:50:26,501 INFO L142 WitnessPrinter]: Generating witness for correct program
[2024-11-13 14:50:26,520 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges
[2024-11-13 14:50:26,522 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2024-11-13 14:50:26,523 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-11-13 14:50:26,524 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-11-13 14:50:26,698 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fb1b10-b01f-4532-80d4-7c896c67b02c/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml
[2024-11-13 14:50:26,698 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fb1b10-b01f-4532-80d4-7c896c67b02c/bin/uautomizer-verify-qhAvR1uOyd/witness.yml
[2024-11-13 14:50:26,698 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-13 14:50:26,699 INFO L158 Benchmark]: Toolchain (without parser) took 34897.79ms. Allocated memory was 142.6MB in the beginning and 755.0MB in the end (delta: 612.4MB). Free memory was 117.2MB in the beginning and 543.6MB in the end (delta: -426.4MB). Peak memory consumption was 182.0MB. Max. memory is 16.1GB.
[2024-11-13 14:50:26,700 INFO L158 Benchmark]: CDTParser took 1.02ms. Allocated memory is still 167.8MB. Free memory is still 104.5MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-13 14:50:26,700 INFO L158 Benchmark]: CACSL2BoogieTranslator took 644.42ms. Allocated memory is still 142.6MB. Free memory was 116.8MB in the beginning and 85.6MB in the end (delta: 31.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB.
[2024-11-13 14:50:26,700 INFO L158 Benchmark]: Boogie Procedure Inliner took 125.44ms. Allocated memory is still 142.6MB. Free memory was 85.6MB in the beginning and 76.2MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-13 14:50:26,701 INFO L158 Benchmark]: Boogie Preprocessor took 129.45ms. Allocated memory is still 142.6MB. Free memory was 76.2MB in the beginning and 63.9MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-13 14:50:26,701 INFO L158 Benchmark]: RCFGBuilder took 2040.26ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 63.9MB in the beginning and 356.7MB in the end (delta: -292.7MB). Peak memory consumption was 46.0MB. Max. memory is 16.1GB.
[2024-11-13 14:50:26,701 INFO L158 Benchmark]: TraceAbstraction took 31748.51ms. Allocated memory was 427.8MB in the beginning and 755.0MB in the end (delta: 327.2MB). Free memory was 356.7MB in the beginning and 556.0MB in the end (delta: -199.4MB). Peak memory consumption was 127.9MB. Max. memory is 16.1GB.
[2024-11-13 14:50:26,702 INFO L158 Benchmark]: Witness Printer took 202.22ms. Allocated memory is still 755.0MB. Free memory was 556.0MB in the beginning and 543.6MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-13 14:50:26,705 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 1.02ms. Allocated memory is still 167.8MB. Free memory is still 104.5MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 644.42ms. Allocated memory is still 142.6MB. Free memory was 116.8MB in the beginning and 85.6MB in the end (delta: 31.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 125.44ms. Allocated memory is still 142.6MB. Free memory was 85.6MB in the beginning and 76.2MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 129.45ms. Allocated memory is still 142.6MB. Free memory was 76.2MB in the beginning and 63.9MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* RCFGBuilder took 2040.26ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 63.9MB in the beginning and 356.7MB in the end (delta: -292.7MB). Peak memory consumption was 46.0MB. Max. memory is 16.1GB.
* TraceAbstraction took 31748.51ms. Allocated memory was 427.8MB in the beginning and 755.0MB in the end (delta: 327.2MB). Free memory was 356.7MB in the beginning and 556.0MB in the end (delta: -199.4MB). Peak memory consumption was 127.9MB. Max. memory is 16.1GB.
* Witness Printer took 202.22ms. Allocated memory is still 755.0MB. Free memory was 556.0MB in the beginning and 543.6MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* 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: 110]: 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 1 procedures, 245 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 31.0s, OverallIterations: 16, TraceHistogramMax: 7, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 14.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2242 SdHoareTripleChecker+Valid, 13.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2242 mSDsluCounter, 1670 SdHoareTripleChecker+Invalid, 11.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 88 mSDsCounter, 959 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8333 IncrementalHoareTripleChecker+Invalid, 9292 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 959 mSolverCounterUnsat, 1582 mSDtfsCounter, 8333 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3167 GetRequests, 3129 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3920occurred in iteration=15, InterpolantAutomatonStates: 52, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 16 MinimizatonAttempts, 3388 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 11.0s InterpolantComputationTime, 9461 NumberOfCodeBlocks, 9461 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 9439 ConstructedInterpolants, 0 QuantifiedInterpolants, 27455 SizeOfPredicates, 0 NumberOfNonLiveVariables, 3973 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 22 InterpolantComputations, 16 PerfectInterpolantSequences, 15369/16342 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
- InvariantResult [Line: 890]: Loop Invariant
Derived loop invariant: ((((((7 <= a15) && (a24 == 1)) || ((a24 == 1) && (0 <= ((long long) a12 + 42)))) || (((a15 <= 8) && (a21 <= 7)) && (((long long) 49 + a12) <= 0))) || ((a24 == 1) && (a21 == 9))) || ((a24 == 1) && (a21 <= 7)))
RESULT: Ultimate proved your program to be correct!
[2024-11-13 14:50:26,739 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45fb1b10-b01f-4532-80d4-7c896c67b02c/bin/uautomizer-verify-qhAvR1uOyd/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