./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label08.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_37d2bb5c-6fc9-4999-bc86-4b9220fcf50c/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d2bb5c-6fc9-4999-bc86-4b9220fcf50c/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_37d2bb5c-6fc9-4999-bc86-4b9220fcf50c/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d2bb5c-6fc9-4999-bc86-4b9220fcf50c/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label08.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d2bb5c-6fc9-4999-bc86-4b9220fcf50c/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_37d2bb5c-6fc9-4999-bc86-4b9220fcf50c/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 83ba8dc0b26e7572bb3969c6f3d087c218a7cd98d221b81c07246f42fbf2250b
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-826ab2b
[2024-11-13 14:46:10,374 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-13 14:46:10,468 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d2bb5c-6fc9-4999-bc86-4b9220fcf50c/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-13 14:46:10,476 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-13 14:46:10,479 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-13 14:46:10,515 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-13 14:46:10,519 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-13 14:46:10,519 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-13 14:46:10,520 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-13 14:46:10,520 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-13 14:46:10,520 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-13 14:46:10,521 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-13 14:46:10,521 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-13 14:46:10,521 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-13 14:46:10,522 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-13 14:46:10,522 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-13 14:46:10,523 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-13 14:46:10,523 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-13 14:46:10,524 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-13 14:46:10,524 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-13 14:46:10,524 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-13 14:46:10,524 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-13 14:46:10,524 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-13 14:46:10,524 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-13 14:46:10,524 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-13 14:46:10,524 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-13 14:46:10,524 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-13 14:46:10,525 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-13 14:46:10,525 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-13 14:46:10,525 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-13 14:46:10,525 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-13 14:46:10,525 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-13 14:46:10,525 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-13 14:46:10,525 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-13 14:46:10,526 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-13 14:46:10,526 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-13 14:46:10,526 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-13 14:46:10,526 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-13 14:46:10,526 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-13 14:46:10,527 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-13 14:46:10,527 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-13 14:46:10,527 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-13 14:46:10,527 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_37d2bb5c-6fc9-4999-bc86-4b9220fcf50c/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 -> 83ba8dc0b26e7572bb3969c6f3d087c218a7cd98d221b81c07246f42fbf2250b
[2024-11-13 14:46:10,863 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-13 14:46:10,874 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-13 14:46:10,879 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-13 14:46:10,880 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-13 14:46:10,880 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-13 14:46:10,881 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d2bb5c-6fc9-4999-bc86-4b9220fcf50c/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/eca-rers2012/Problem10_label08.c
Unable to find full path for "g++"
[2024-11-13 14:46:12,866 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-13 14:46:13,201 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-13 14:46:13,202 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d2bb5c-6fc9-4999-bc86-4b9220fcf50c/sv-benchmarks/c/eca-rers2012/Problem10_label08.c
[2024-11-13 14:46:13,221 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d2bb5c-6fc9-4999-bc86-4b9220fcf50c/bin/uautomizer-verify-qhAvR1uOyd/data/d07675fcf/66ce58350b80487d851f58f7081b9360/FLAGf32fe61d2
[2024-11-13 14:46:13,244 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d2bb5c-6fc9-4999-bc86-4b9220fcf50c/bin/uautomizer-verify-qhAvR1uOyd/data/d07675fcf/66ce58350b80487d851f58f7081b9360
[2024-11-13 14:46:13,247 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-13 14:46:13,249 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-13 14:46:13,251 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-13 14:46:13,251 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-13 14:46:13,255 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-13 14:46:13,256 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:46:13" (1/1) ...
[2024-11-13 14:46:13,257 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16c4cec6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:46:13, skipping insertion in model container
[2024-11-13 14:46:13,259 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:46:13" (1/1) ...
[2024-11-13 14:46:13,306 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-13 14:46:13,545 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_37d2bb5c-6fc9-4999-bc86-4b9220fcf50c/sv-benchmarks/c/eca-rers2012/Problem10_label08.c[4672,4685]
[2024-11-13 14:46:13,722 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-13 14:46:13,739 INFO L200 MainTranslator]: Completed pre-run
[2024-11-13 14:46:13,781 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_37d2bb5c-6fc9-4999-bc86-4b9220fcf50c/sv-benchmarks/c/eca-rers2012/Problem10_label08.c[4672,4685]
[2024-11-13 14:46:13,899 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-13 14:46:13,914 INFO L204 MainTranslator]: Completed translation
[2024-11-13 14:46:13,915 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:46:13 WrapperNode
[2024-11-13 14:46:13,915 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-13 14:46:13,916 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-13 14:46:13,916 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-13 14:46:13,916 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-13 14:46:13,923 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:46:13" (1/1) ...
[2024-11-13 14:46:13,937 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:46:13" (1/1) ...
[2024-11-13 14:46:14,013 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597
[2024-11-13 14:46:14,014 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-13 14:46:14,014 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-13 14:46:14,015 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-13 14:46:14,015 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-13 14:46:14,023 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:46:13" (1/1) ...
[2024-11-13 14:46:14,024 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:46:13" (1/1) ...
[2024-11-13 14:46:14,028 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:46:13" (1/1) ...
[2024-11-13 14:46:14,063 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 14:46:14,063 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:46:13" (1/1) ...
[2024-11-13 14:46:14,064 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:46:13" (1/1) ...
[2024-11-13 14:46:14,093 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:46:13" (1/1) ...
[2024-11-13 14:46:14,109 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:46:13" (1/1) ...
[2024-11-13 14:46:14,116 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:46:13" (1/1) ...
[2024-11-13 14:46:14,123 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:46:13" (1/1) ...
[2024-11-13 14:46:14,136 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-13 14:46:14,137 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-13 14:46:14,138 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-13 14:46:14,138 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-13 14:46:14,139 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:46:13" (1/1) ...
[2024-11-13 14:46:14,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-13 14:46:14,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d2bb5c-6fc9-4999-bc86-4b9220fcf50c/bin/uautomizer-verify-qhAvR1uOyd/z3
[2024-11-13 14:46:14,169 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d2bb5c-6fc9-4999-bc86-4b9220fcf50c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-13 14:46:14,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d2bb5c-6fc9-4999-bc86-4b9220fcf50c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-13 14:46:14,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-13 14:46:14,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-13 14:46:14,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-13 14:46:14,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-13 14:46:14,280 INFO L238 CfgBuilder]: Building ICFG
[2024-11-13 14:46:14,282 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-13 14:46:15,827 INFO L? ?]: Removed 84 outVars from TransFormulas that were not future-live.
[2024-11-13 14:46:15,828 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-13 14:46:15,842 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-13 14:46:15,842 INFO L316 CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-13 14:46:15,842 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:46:15 BoogieIcfgContainer
[2024-11-13 14:46:15,842 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-13 14:46:15,845 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-13 14:46:15,845 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-13 14:46:15,850 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-13 14:46:15,850 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:46:13" (1/3) ...
[2024-11-13 14:46:15,851 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5be386a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:46:15, skipping insertion in model container
[2024-11-13 14:46:15,851 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:46:13" (2/3) ...
[2024-11-13 14:46:15,851 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5be386a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:46:15, skipping insertion in model container
[2024-11-13 14:46:15,851 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:46:15" (3/3) ...
[2024-11-13 14:46:15,852 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label08.c
[2024-11-13 14:46:15,868 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-13 14:46:15,869 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG Problem10_label08.c that has 1 procedures, 206 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-11-13 14:46:15,941 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-13 14:46:15,957 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;@79213cbf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-13 14:46:15,958 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-13 14:46:15,964 INFO L276 IsEmpty]: Start isEmpty. Operand has 206 states, 204 states have (on average 1.6862745098039216) internal successors, (344), 205 states have internal predecessors, (344), 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 14:46:15,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41
[2024-11-13 14:46:15,976 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 14:46:15,976 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, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 14:46:15,977 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 14:46:15,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 14:46:15,983 INFO L85 PathProgramCache]: Analyzing trace with hash -2018591278, now seen corresponding path program 1 times
[2024-11-13 14:46:15,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 14:46:15,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893745656]
[2024-11-13 14:46:15,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:46:15,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 14:46:16,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:46:16,408 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 14:46:16,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 14:46:16,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893745656]
[2024-11-13 14:46:16,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893745656] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 14:46:16,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 14:46:16,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-13 14:46:16,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741617561]
[2024-11-13 14:46:16,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 14:46:16,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 14:46:16,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 14:46:16,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 14:46:16,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-13 14:46:16,446 INFO L87 Difference]: Start difference. First operand has 206 states, 204 states have (on average 1.6862745098039216) internal successors, (344), 205 states have internal predecessors, (344), 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 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 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 14:46:17,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 14:46:17,506 INFO L93 Difference]: Finished difference Result 552 states and 966 transitions.
[2024-11-13 14:46:17,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-13 14:46:17,508 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 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 40
[2024-11-13 14:46:17,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 14:46:17,517 INFO L225 Difference]: With dead ends: 552
[2024-11-13 14:46:17,518 INFO L226 Difference]: Without dead ends: 282
[2024-11-13 14:46:17,521 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 14:46:17,524 INFO L432 NwaCegarLoop]: 113 mSDtfsCounter, 123 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 414 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 544 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 414 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2024-11-13 14:46:17,524 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 120 Invalid, 544 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 414 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2024-11-13 14:46:17,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states.
[2024-11-13 14:46:17,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 282.
[2024-11-13 14:46:17,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 281 states have (on average 1.3416370106761566) internal successors, (377), 281 states have internal predecessors, (377), 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 14:46:17,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 377 transitions.
[2024-11-13 14:46:17,569 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 377 transitions. Word has length 40
[2024-11-13 14:46:17,569 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 14:46:17,569 INFO L471 AbstractCegarLoop]: Abstraction has 282 states and 377 transitions.
[2024-11-13 14:46:17,570 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 2 states have internal predecessors, (40), 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 14:46:17,570 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 377 transitions.
[2024-11-13 14:46:17,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107
[2024-11-13 14:46:17,572 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 14:46:17,573 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, 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]
[2024-11-13 14:46:17,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-13 14:46:17,573 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 14:46:17,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 14:46:17,574 INFO L85 PathProgramCache]: Analyzing trace with hash 11105598, now seen corresponding path program 1 times
[2024-11-13 14:46:17,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 14:46:17,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937349939]
[2024-11-13 14:46:17,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:46:17,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 14:46:17,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:46:18,213 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-13 14:46:18,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 14:46:18,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937349939]
[2024-11-13 14:46:18,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937349939] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-13 14:46:18,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1486108067]
[2024-11-13 14:46:18,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:46:18,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-13 14:46:18,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d2bb5c-6fc9-4999-bc86-4b9220fcf50c/bin/uautomizer-verify-qhAvR1uOyd/z3
[2024-11-13 14:46:18,218 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d2bb5c-6fc9-4999-bc86-4b9220fcf50c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-13 14:46:18,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d2bb5c-6fc9-4999-bc86-4b9220fcf50c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-13 14:46:18,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:46:18,349 INFO L255 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-13 14:46:18,356 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-13 14:46:18,633 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked.
[2024-11-13 14:46:18,634 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-13 14:46:18,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1486108067] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 14:46:18,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-13 14:46:18,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4
[2024-11-13 14:46:18,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063202032]
[2024-11-13 14:46:18,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 14:46:18,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 14:46:18,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 14:46:18,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 14:46:18,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-13 14:46:18,639 INFO L87 Difference]: Start difference. First operand 282 states and 377 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 2 states have internal predecessors, (70), 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 14:46:19,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 14:46:19,320 INFO L93 Difference]: Finished difference Result 562 states and 752 transitions.
[2024-11-13 14:46:19,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-13 14:46:19,321 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 2 states have internal predecessors, (70), 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 106
[2024-11-13 14:46:19,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 14:46:19,324 INFO L225 Difference]: With dead ends: 562
[2024-11-13 14:46:19,324 INFO L226 Difference]: Without dead ends: 560
[2024-11-13 14:46:19,329 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 105 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 14:46:19,331 INFO L432 NwaCegarLoop]: 7 mSDtfsCounter, 114 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 364 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 441 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-11-13 14:46:19,331 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 11 Invalid, 441 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 364 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-11-13 14:46:19,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states.
[2024-11-13 14:46:19,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 421.
[2024-11-13 14:46:19,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 420 states have (on average 1.4071428571428573) internal successors, (591), 420 states have internal predecessors, (591), 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 14:46:19,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 591 transitions.
[2024-11-13 14:46:19,379 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 591 transitions. Word has length 106
[2024-11-13 14:46:19,379 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 14:46:19,379 INFO L471 AbstractCegarLoop]: Abstraction has 421 states and 591 transitions.
[2024-11-13 14:46:19,379 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 2 states have internal predecessors, (70), 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 14:46:19,379 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 591 transitions.
[2024-11-13 14:46:19,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110
[2024-11-13 14:46:19,382 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 14:46:19,382 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, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 14:46:19,403 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d2bb5c-6fc9-4999-bc86-4b9220fcf50c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-11-13 14:46:19,583 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d2bb5c-6fc9-4999-bc86-4b9220fcf50c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-13 14:46:19,583 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 14:46:19,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 14:46:19,584 INFO L85 PathProgramCache]: Analyzing trace with hash -81919878, now seen corresponding path program 1 times
[2024-11-13 14:46:19,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 14:46:19,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467582715]
[2024-11-13 14:46:19,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:46:19,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 14:46:19,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:46:19,957 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-13 14:46:19,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 14:46:19,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467582715]
[2024-11-13 14:46:19,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467582715] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 14:46:19,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 14:46:19,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-13 14:46:19,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762811330]
[2024-11-13 14:46:19,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 14:46:19,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 14:46:19,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 14:46:19,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 14:46:19,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-13 14:46:19,959 INFO L87 Difference]: Start difference. First operand 421 states and 591 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 2 states have internal predecessors, (109), 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 14:46:20,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 14:46:20,578 INFO L93 Difference]: Finished difference Result 979 states and 1339 transitions.
[2024-11-13 14:46:20,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-13 14:46:20,579 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 2 states have internal predecessors, (109), 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 109
[2024-11-13 14:46:20,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 14:46:20,582 INFO L225 Difference]: With dead ends: 979
[2024-11-13 14:46:20,582 INFO L226 Difference]: Without dead ends: 560
[2024-11-13 14:46:20,586 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 14:46:20,587 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 72 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 358 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-11-13 14:46:20,587 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 77 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 358 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-11-13 14:46:20,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 560 states.
[2024-11-13 14:46:20,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 560 to 560.
[2024-11-13 14:46:20,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 560 states, 559 states have (on average 1.3237924865831843) internal successors, (740), 559 states have internal predecessors, (740), 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 14:46:20,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 560 states and 740 transitions.
[2024-11-13 14:46:20,608 INFO L78 Accepts]: Start accepts. Automaton has 560 states and 740 transitions. Word has length 109
[2024-11-13 14:46:20,608 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 14:46:20,608 INFO L471 AbstractCegarLoop]: Abstraction has 560 states and 740 transitions.
[2024-11-13 14:46:20,608 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 2 states have internal predecessors, (109), 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 14:46:20,608 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 740 transitions.
[2024-11-13 14:46:20,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116
[2024-11-13 14:46:20,610 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 14:46:20,610 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, 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]
[2024-11-13 14:46:20,610 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-13 14:46:20,611 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 14:46:20,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 14:46:20,611 INFO L85 PathProgramCache]: Analyzing trace with hash -280389813, now seen corresponding path program 1 times
[2024-11-13 14:46:20,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 14:46:20,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639500700]
[2024-11-13 14:46:20,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:46:20,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 14:46:20,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:46:20,781 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-13 14:46:20,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 14:46:20,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639500700]
[2024-11-13 14:46:20,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1639500700] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 14:46:20,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 14:46:20,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-13 14:46:20,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732178070]
[2024-11-13 14:46:20,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 14:46:20,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 14:46:20,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 14:46:20,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 14:46:20,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-13 14:46:20,783 INFO L87 Difference]: Start difference. First operand 560 states and 740 transitions. Second operand has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 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 14:46:21,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 14:46:21,437 INFO L93 Difference]: Finished difference Result 1257 states and 1758 transitions.
[2024-11-13 14:46:21,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-13 14:46:21,438 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 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 115
[2024-11-13 14:46:21,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 14:46:21,443 INFO L225 Difference]: With dead ends: 1257
[2024-11-13 14:46:21,443 INFO L226 Difference]: Without dead ends: 838
[2024-11-13 14:46:21,444 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 14:46:21,445 INFO L432 NwaCegarLoop]: 221 mSDtfsCounter, 102 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 384 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 102 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-11-13 14:46:21,448 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [102 Valid, 226 Invalid, 445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 384 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-11-13 14:46:21,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states.
[2024-11-13 14:46:21,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 699.
[2024-11-13 14:46:21,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 699 states, 698 states have (on average 1.3094555873925502) internal successors, (914), 698 states have internal predecessors, (914), 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 14:46:21,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 914 transitions.
[2024-11-13 14:46:21,471 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 914 transitions. Word has length 115
[2024-11-13 14:46:21,472 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 14:46:21,472 INFO L471 AbstractCegarLoop]: Abstraction has 699 states and 914 transitions.
[2024-11-13 14:46:21,472 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.333333333333336) internal successors, (115), 3 states have internal predecessors, (115), 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 14:46:21,472 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 914 transitions.
[2024-11-13 14:46:21,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176
[2024-11-13 14:46:21,476 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 14:46:21,476 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 14:46:21,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-13 14:46:21,476 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 14:46:21,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 14:46:21,477 INFO L85 PathProgramCache]: Analyzing trace with hash 1109290126, now seen corresponding path program 1 times
[2024-11-13 14:46:21,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 14:46:21,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370693617]
[2024-11-13 14:46:21,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:46:21,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 14:46:21,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:46:21,693 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked.
[2024-11-13 14:46:21,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 14:46:21,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370693617]
[2024-11-13 14:46:21,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370693617] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 14:46:21,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 14:46:21,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-13 14:46:21,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162705834]
[2024-11-13 14:46:21,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 14:46:21,694 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 14:46:21,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 14:46:21,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 14:46:21,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-13 14:46:21,695 INFO L87 Difference]: Start difference. First operand 699 states and 914 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 14:46:22,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 14:46:22,308 INFO L93 Difference]: Finished difference Result 1535 states and 2010 transitions.
[2024-11-13 14:46:22,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-13 14:46:22,309 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 175
[2024-11-13 14:46:22,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 14:46:22,313 INFO L225 Difference]: With dead ends: 1535
[2024-11-13 14:46:22,314 INFO L226 Difference]: Without dead ends: 977
[2024-11-13 14:46:22,315 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 14:46:22,316 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 107 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 334 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-11-13 14:46:22,316 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 34 Invalid, 402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 334 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-11-13 14:46:22,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states.
[2024-11-13 14:46:22,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 977.
[2024-11-13 14:46:22,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 977 states, 976 states have (on average 1.1905737704918034) internal successors, (1162), 976 states have internal predecessors, (1162), 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 14:46:22,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1162 transitions.
[2024-11-13 14:46:22,352 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1162 transitions. Word has length 175
[2024-11-13 14:46:22,352 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 14:46:22,352 INFO L471 AbstractCegarLoop]: Abstraction has 977 states and 1162 transitions.
[2024-11-13 14:46:22,354 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 14:46:22,354 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1162 transitions.
[2024-11-13 14:46:22,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193
[2024-11-13 14:46:22,360 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 14:46:22,360 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, 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, 1, 1, 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 14:46:22,360 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-13 14:46:22,360 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 14:46:22,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 14:46:22,361 INFO L85 PathProgramCache]: Analyzing trace with hash -71574408, now seen corresponding path program 1 times
[2024-11-13 14:46:22,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 14:46:22,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555607179]
[2024-11-13 14:46:22,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:46:22,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 14:46:22,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:46:22,609 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-13 14:46:22,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 14:46:22,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555607179]
[2024-11-13 14:46:22,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555607179] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 14:46:22,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 14:46:22,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-13 14:46:22,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272298691]
[2024-11-13 14:46:22,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 14:46:22,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 14:46:22,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 14:46:22,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 14:46:22,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-13 14:46:22,612 INFO L87 Difference]: Start difference. First operand 977 states and 1162 transitions. Second operand has 3 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 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 14:46:23,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 14:46:23,212 INFO L93 Difference]: Finished difference Result 2091 states and 2557 transitions.
[2024-11-13 14:46:23,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-13 14:46:23,214 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 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 192
[2024-11-13 14:46:23,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 14:46:23,221 INFO L225 Difference]: With dead ends: 2091
[2024-11-13 14:46:23,221 INFO L226 Difference]: Without dead ends: 1255
[2024-11-13 14:46:23,222 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 14:46:23,224 INFO L432 NwaCegarLoop]: 209 mSDtfsCounter, 60 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 340 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-11-13 14:46:23,224 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 213 Invalid, 400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 340 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-11-13 14:46:23,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1255 states.
[2024-11-13 14:46:23,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 1255.
[2024-11-13 14:46:23,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1255 states, 1254 states have (on average 1.1650717703349283) internal successors, (1461), 1254 states have internal predecessors, (1461), 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 14:46:23,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1461 transitions.
[2024-11-13 14:46:23,261 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1461 transitions. Word has length 192
[2024-11-13 14:46:23,262 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 14:46:23,262 INFO L471 AbstractCegarLoop]: Abstraction has 1255 states and 1461 transitions.
[2024-11-13 14:46:23,262 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.0) internal successors, (192), 3 states have internal predecessors, (192), 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 14:46:23,262 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1461 transitions.
[2024-11-13 14:46:23,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248
[2024-11-13 14:46:23,266 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 14:46:23,266 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:46:23,266 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-13 14:46:23,267 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 14:46:23,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 14:46:23,268 INFO L85 PathProgramCache]: Analyzing trace with hash -822554094, now seen corresponding path program 1 times
[2024-11-13 14:46:23,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 14:46:23,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750542650]
[2024-11-13 14:46:23,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:46:23,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 14:46:23,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:46:23,898 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-13 14:46:23,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 14:46:23,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750542650]
[2024-11-13 14:46:23,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750542650] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 14:46:23,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 14:46:23,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-13 14:46:23,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15449899]
[2024-11-13 14:46:23,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 14:46:23,900 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-13 14:46:23,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 14:46:23,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-13 14:46:23,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42
[2024-11-13 14:46:23,901 INFO L87 Difference]: Start difference. First operand 1255 states and 1461 transitions. Second operand has 7 states, 7 states have (on average 35.285714285714285) internal successors, (247), 6 states have internal predecessors, (247), 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 14:46:24,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 14:46:24,621 INFO L93 Difference]: Finished difference Result 2424 states and 2831 transitions.
[2024-11-13 14:46:24,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-11-13 14:46:24,621 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 35.285714285714285) internal successors, (247), 6 states have internal predecessors, (247), 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 247
[2024-11-13 14:46:24,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 14:46:24,626 INFO L225 Difference]: With dead ends: 2424
[2024-11-13 14:46:24,626 INFO L226 Difference]: Without dead ends: 1255
[2024-11-13 14:46:24,628 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42
[2024-11-13 14:46:24,630 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 142 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 720 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 720 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-11-13 14:46:24,630 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 22 Invalid, 720 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 720 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-11-13 14:46:24,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1255 states.
[2024-11-13 14:46:24,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 1255.
[2024-11-13 14:46:24,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1255 states, 1254 states have (on average 1.161084529505582) internal successors, (1456), 1254 states have internal predecessors, (1456), 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 14:46:24,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1456 transitions.
[2024-11-13 14:46:24,664 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1456 transitions. Word has length 247
[2024-11-13 14:46:24,664 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 14:46:24,664 INFO L471 AbstractCegarLoop]: Abstraction has 1255 states and 1456 transitions.
[2024-11-13 14:46:24,664 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 35.285714285714285) internal successors, (247), 6 states have internal predecessors, (247), 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 14:46:24,664 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1456 transitions.
[2024-11-13 14:46:24,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284
[2024-11-13 14:46:24,674 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 14:46:24,674 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, 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, 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]
[2024-11-13 14:46:24,675 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-11-13 14:46:24,675 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 14:46:24,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 14:46:24,675 INFO L85 PathProgramCache]: Analyzing trace with hash -1921039368, now seen corresponding path program 1 times
[2024-11-13 14:46:24,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 14:46:24,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926938149]
[2024-11-13 14:46:24,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:46:24,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 14:46:24,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:46:24,985 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked.
[2024-11-13 14:46:24,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 14:46:24,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926938149]
[2024-11-13 14:46:24,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926938149] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 14:46:24,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 14:46:24,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-13 14:46:24,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944984308]
[2024-11-13 14:46:24,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 14:46:24,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 14:46:24,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 14:46:24,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 14:46:24,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-13 14:46:24,987 INFO L87 Difference]: Start difference. First operand 1255 states and 1456 transitions. Second operand has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 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 14:46:25,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 14:46:25,594 INFO L93 Difference]: Finished difference Result 1813 states and 2098 transitions.
[2024-11-13 14:46:25,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-13 14:46:25,595 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 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 283
[2024-11-13 14:46:25,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 14:46:25,601 INFO L225 Difference]: With dead ends: 1813
[2024-11-13 14:46:25,601 INFO L226 Difference]: Without dead ends: 1811
[2024-11-13 14:46:25,602 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 14:46:25,602 INFO L432 NwaCegarLoop]: 7 mSDtfsCounter, 144 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 354 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-11-13 14:46:25,603 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 11 Invalid, 425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 354 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-11-13 14:46:25,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1811 states.
[2024-11-13 14:46:25,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1811 to 1255.
[2024-11-13 14:46:25,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1255 states, 1254 states have (on average 1.161084529505582) internal successors, (1456), 1254 states have internal predecessors, (1456), 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 14:46:25,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1456 transitions.
[2024-11-13 14:46:25,636 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1456 transitions. Word has length 283
[2024-11-13 14:46:25,636 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 14:46:25,636 INFO L471 AbstractCegarLoop]: Abstraction has 1255 states and 1456 transitions.
[2024-11-13 14:46:25,637 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 58.0) internal successors, (174), 3 states have internal predecessors, (174), 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 14:46:25,637 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1456 transitions.
[2024-11-13 14:46:25,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319
[2024-11-13 14:46:25,642 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 14:46:25,642 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, 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, 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]
[2024-11-13 14:46:25,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-11-13 14:46:25,642 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 14:46:25,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 14:46:25,642 INFO L85 PathProgramCache]: Analyzing trace with hash -1478071785, now seen corresponding path program 1 times
[2024-11-13 14:46:25,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 14:46:25,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030012548]
[2024-11-13 14:46:25,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:46:25,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 14:46:25,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:46:25,940 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked.
[2024-11-13 14:46:25,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 14:46:25,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030012548]
[2024-11-13 14:46:25,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030012548] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 14:46:25,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 14:46:25,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-13 14:46:25,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33226317]
[2024-11-13 14:46:25,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 14:46:25,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 14:46:25,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 14:46:25,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 14:46:25,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-13 14:46:25,942 INFO L87 Difference]: Start difference. First operand 1255 states and 1456 transitions. Second operand has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 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 14:46:26,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 14:46:26,526 INFO L93 Difference]: Finished difference Result 1396 states and 1605 transitions.
[2024-11-13 14:46:26,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-13 14:46:26,527 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 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 14:46:26,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 14:46:26,532 INFO L225 Difference]: With dead ends: 1396
[2024-11-13 14:46:26,532 INFO L226 Difference]: Without dead ends: 1394
[2024-11-13 14:46:26,533 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 14:46:26,533 INFO L432 NwaCegarLoop]: 7 mSDtfsCounter, 144 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-11-13 14:46:26,534 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 11 Invalid, 427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-11-13 14:46:26,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1394 states.
[2024-11-13 14:46:26,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1394 to 1116.
[2024-11-13 14:46:26,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1116 states, 1115 states have (on average 1.1713004484304932) internal successors, (1306), 1115 states have internal predecessors, (1306), 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 14:46:26,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 1116 states and 1306 transitions.
[2024-11-13 14:46:26,581 INFO L78 Accepts]: Start accepts. Automaton has 1116 states and 1306 transitions. Word has length 318
[2024-11-13 14:46:26,582 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 14:46:26,582 INFO L471 AbstractCegarLoop]: Abstraction has 1116 states and 1306 transitions.
[2024-11-13 14:46:26,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 3 states have internal predecessors, (154), 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 14:46:26,582 INFO L276 IsEmpty]: Start isEmpty. Operand 1116 states and 1306 transitions.
[2024-11-13 14:46:26,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340
[2024-11-13 14:46:26,588 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 14:46:26,588 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, 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, 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]
[2024-11-13 14:46:26,588 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-11-13 14:46:26,588 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 14:46:26,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 14:46:26,589 INFO L85 PathProgramCache]: Analyzing trace with hash -908624216, now seen corresponding path program 1 times
[2024-11-13 14:46:26,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 14:46:26,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100758564]
[2024-11-13 14:46:26,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:46:26,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 14:46:26,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:46:26,946 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked.
[2024-11-13 14:46:26,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 14:46:26,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100758564]
[2024-11-13 14:46:26,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100758564] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 14:46:26,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 14:46:26,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-13 14:46:26,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659249966]
[2024-11-13 14:46:26,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 14:46:26,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 14:46:26,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 14:46:26,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 14:46:26,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-13 14:46:26,948 INFO L87 Difference]: Start difference. First operand 1116 states and 1306 transitions. Second operand has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 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 14:46:27,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 14:46:27,517 INFO L93 Difference]: Finished difference Result 2369 states and 2844 transitions.
[2024-11-13 14:46:27,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-13 14:46:27,517 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 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 339
[2024-11-13 14:46:27,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 14:46:27,523 INFO L225 Difference]: With dead ends: 2369
[2024-11-13 14:46:27,523 INFO L226 Difference]: Without dead ends: 1394
[2024-11-13 14:46:27,524 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 14:46:27,525 INFO L432 NwaCegarLoop]: 210 mSDtfsCounter, 103 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 361 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 402 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-11-13 14:46:27,528 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 215 Invalid, 402 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 361 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-11-13 14:46:27,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1394 states.
[2024-11-13 14:46:27,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1394 to 1255.
[2024-11-13 14:46:27,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1255 states, 1254 states have (on average 1.164274322169059) internal successors, (1460), 1254 states have internal predecessors, (1460), 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 14:46:27,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1460 transitions.
[2024-11-13 14:46:27,561 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1460 transitions. Word has length 339
[2024-11-13 14:46:27,562 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 14:46:27,562 INFO L471 AbstractCegarLoop]: Abstraction has 1255 states and 1460 transitions.
[2024-11-13 14:46:27,562 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 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 14:46:27,562 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1460 transitions.
[2024-11-13 14:46:27,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341
[2024-11-13 14:46:27,569 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 14:46:27,569 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 14:46:27,569 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-11-13 14:46:27,570 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 14:46:27,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 14:46:27,571 INFO L85 PathProgramCache]: Analyzing trace with hash 592911922, now seen corresponding path program 1 times
[2024-11-13 14:46:27,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 14:46:27,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202018808]
[2024-11-13 14:46:27,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:46:27,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 14:46:27,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:46:28,235 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 313 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-13 14:46:28,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 14:46:28,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202018808]
[2024-11-13 14:46:28,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202018808] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-13 14:46:28,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [652126040]
[2024-11-13 14:46:28,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:46:28,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-13 14:46:28,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d2bb5c-6fc9-4999-bc86-4b9220fcf50c/bin/uautomizer-verify-qhAvR1uOyd/z3
[2024-11-13 14:46:28,240 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d2bb5c-6fc9-4999-bc86-4b9220fcf50c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-13 14:46:28,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d2bb5c-6fc9-4999-bc86-4b9220fcf50c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-13 14:46:28,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:46:28,422 INFO L255 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-13 14:46:28,433 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-13 14:46:28,689 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 291 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked.
[2024-11-13 14:46:28,690 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-13 14:46:28,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [652126040] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 14:46:28,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-13 14:46:28,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7
[2024-11-13 14:46:28,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761071047]
[2024-11-13 14:46:28,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 14:46:28,691 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 14:46:28,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 14:46:28,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 14:46:28,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2024-11-13 14:46:28,693 INFO L87 Difference]: Start difference. First operand 1255 states and 1460 transitions. Second operand has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 3 states have internal predecessors, (274), 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 14:46:29,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 14:46:29,297 INFO L93 Difference]: Finished difference Result 3203 states and 3742 transitions.
[2024-11-13 14:46:29,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-13 14:46:29,298 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 3 states have internal predecessors, (274), 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 340
[2024-11-13 14:46:29,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 14:46:29,305 INFO L225 Difference]: With dead ends: 3203
[2024-11-13 14:46:29,306 INFO L226 Difference]: Without dead ends: 2089
[2024-11-13 14:46:29,307 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 339 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2024-11-13 14:46:29,308 INFO L432 NwaCegarLoop]: 200 mSDtfsCounter, 22 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 421 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-11-13 14:46:29,308 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 205 Invalid, 421 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 360 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-11-13 14:46:29,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2089 states.
[2024-11-13 14:46:29,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2089 to 2089.
[2024-11-13 14:46:29,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2089 states, 2088 states have (on average 1.1345785440613028) internal successors, (2369), 2088 states have internal predecessors, (2369), 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 14:46:29,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2089 states to 2089 states and 2369 transitions.
[2024-11-13 14:46:29,360 INFO L78 Accepts]: Start accepts. Automaton has 2089 states and 2369 transitions. Word has length 340
[2024-11-13 14:46:29,361 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 14:46:29,361 INFO L471 AbstractCegarLoop]: Abstraction has 2089 states and 2369 transitions.
[2024-11-13 14:46:29,361 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.33333333333333) internal successors, (274), 3 states have internal predecessors, (274), 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 14:46:29,361 INFO L276 IsEmpty]: Start isEmpty. Operand 2089 states and 2369 transitions.
[2024-11-13 14:46:29,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354
[2024-11-13 14:46:29,368 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 14:46:29,369 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, 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, 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]
[2024-11-13 14:46:29,388 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d2bb5c-6fc9-4999-bc86-4b9220fcf50c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-11-13 14:46:29,573 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d2bb5c-6fc9-4999-bc86-4b9220fcf50c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-13 14:46:29,573 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 14:46:29,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 14:46:29,574 INFO L85 PathProgramCache]: Analyzing trace with hash 521636045, now seen corresponding path program 1 times
[2024-11-13 14:46:29,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 14:46:29,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822646744]
[2024-11-13 14:46:29,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:46:29,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 14:46:29,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:46:29,890 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked.
[2024-11-13 14:46:29,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 14:46:29,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822646744]
[2024-11-13 14:46:29,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822646744] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 14:46:29,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 14:46:29,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-13 14:46:29,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617771424]
[2024-11-13 14:46:29,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 14:46:29,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 14:46:29,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 14:46:29,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 14:46:29,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-13 14:46:29,893 INFO L87 Difference]: Start difference. First operand 2089 states and 2369 transitions. Second operand has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 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 14:46:30,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 14:46:30,493 INFO L93 Difference]: Finished difference Result 4035 states and 4592 transitions.
[2024-11-13 14:46:30,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-13 14:46:30,494 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 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 353
[2024-11-13 14:46:30,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 14:46:30,494 INFO L225 Difference]: With dead ends: 4035
[2024-11-13 14:46:30,495 INFO L226 Difference]: Without dead ends: 0
[2024-11-13 14:46:30,497 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 14:46:30,498 INFO L432 NwaCegarLoop]: 208 mSDtfsCounter, 106 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-11-13 14:46:30,498 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 212 Invalid, 395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 353 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-11-13 14:46:30,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-11-13 14:46:30,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-11-13 14:46:30,499 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 14:46:30,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-11-13 14:46:30,499 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 353
[2024-11-13 14:46:30,499 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 14:46:30,499 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-11-13 14:46:30,500 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 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 14:46:30,500 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-11-13 14:46:30,500 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-11-13 14:46:30,502 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-13 14:46:30,503 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2024-11-13 14:46:30,506 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 14:46:30,507 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-11-13 14:46:30,860 INFO L173 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-13 14:46:30,876 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 02:46:30 BoogieIcfgContainer
[2024-11-13 14:46:30,877 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-13 14:46:30,877 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-13 14:46:30,877 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-13 14:46:30,878 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-13 14:46:30,878 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:46:15" (3/4) ...
[2024-11-13 14:46:30,880 INFO L142 WitnessPrinter]: Generating witness for correct program
[2024-11-13 14:46:30,894 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges
[2024-11-13 14:46:30,895 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2024-11-13 14:46:30,896 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-11-13 14:46:30,896 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-11-13 14:46:31,015 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d2bb5c-6fc9-4999-bc86-4b9220fcf50c/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml
[2024-11-13 14:46:31,015 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d2bb5c-6fc9-4999-bc86-4b9220fcf50c/bin/uautomizer-verify-qhAvR1uOyd/witness.yml
[2024-11-13 14:46:31,015 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-13 14:46:31,016 INFO L158 Benchmark]: Toolchain (without parser) took 17767.52ms. Allocated memory was 117.4MB in the beginning and 310.4MB in the end (delta: 192.9MB). Free memory was 91.6MB in the beginning and 145.3MB in the end (delta: -53.7MB). Peak memory consumption was 136.3MB. Max. memory is 16.1GB.
[2024-11-13 14:46:31,017 INFO L158 Benchmark]: CDTParser took 0.95ms. Allocated memory is still 117.4MB. Free memory was 74.0MB in the beginning and 73.8MB in the end (delta: 196.3kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-13 14:46:31,017 INFO L158 Benchmark]: CACSL2BoogieTranslator took 664.34ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 63.8MB in the end (delta: 27.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2024-11-13 14:46:31,017 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.05ms. Allocated memory is still 117.4MB. Free memory was 63.8MB in the beginning and 56.1MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-13 14:46:31,017 INFO L158 Benchmark]: Boogie Preprocessor took 122.30ms. Allocated memory is still 117.4MB. Free memory was 56.1MB in the beginning and 46.7MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-13 14:46:31,018 INFO L158 Benchmark]: RCFGBuilder took 1705.17ms. Allocated memory is still 117.4MB. Free memory was 46.7MB in the beginning and 53.8MB in the end (delta: -7.1MB). Peak memory consumption was 34.0MB. Max. memory is 16.1GB.
[2024-11-13 14:46:31,018 INFO L158 Benchmark]: TraceAbstraction took 15031.64ms. Allocated memory was 117.4MB in the beginning and 310.4MB in the end (delta: 192.9MB). Free memory was 53.2MB in the beginning and 154.9MB in the end (delta: -101.7MB). Peak memory consumption was 91.4MB. Max. memory is 16.1GB.
[2024-11-13 14:46:31,018 INFO L158 Benchmark]: Witness Printer took 138.29ms. Allocated memory is still 310.4MB. Free memory was 154.9MB in the beginning and 145.3MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-13 14:46:31,020 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.95ms. Allocated memory is still 117.4MB. Free memory was 74.0MB in the beginning and 73.8MB in the end (delta: 196.3kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 664.34ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 63.8MB in the end (delta: 27.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 98.05ms. Allocated memory is still 117.4MB. Free memory was 63.8MB in the beginning and 56.1MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 122.30ms. Allocated memory is still 117.4MB. Free memory was 56.1MB in the beginning and 46.7MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* RCFGBuilder took 1705.17ms. Allocated memory is still 117.4MB. Free memory was 46.7MB in the beginning and 53.8MB in the end (delta: -7.1MB). Peak memory consumption was 34.0MB. Max. memory is 16.1GB.
* TraceAbstraction took 15031.64ms. Allocated memory was 117.4MB in the beginning and 310.4MB in the end (delta: 192.9MB). Free memory was 53.2MB in the beginning and 154.9MB in the end (delta: -101.7MB). Peak memory consumption was 91.4MB. Max. memory is 16.1GB.
* Witness Printer took 138.29ms. Allocated memory is still 310.4MB. Free memory was 154.9MB in the beginning and 145.3MB in the end (delta: 9.5MB). 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: 134]: 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, 206 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 14.6s, OverallIterations: 12, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 8.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1239 SdHoareTripleChecker+Valid, 7.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1239 mSDsluCounter, 1357 SdHoareTripleChecker+Invalid, 6.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 62 mSDsCounter, 697 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4692 IncrementalHoareTripleChecker+Invalid, 5389 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 697 mSolverCounterUnsat, 1295 mSDtfsCounter, 4692 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 482 GetRequests, 460 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2089occurred in iteration=11, InterpolantAutomatonStates: 40, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 1251 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 4.3s InterpolantComputationTime, 3063 NumberOfCodeBlocks, 3063 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 3049 ConstructedInterpolants, 0 QuantifiedInterpolants, 9025 SizeOfPredicates, 0 NumberOfNonLiveVariables, 653 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 2499/2581 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: 592]: Loop Invariant
Derived loop invariant: ((((((((a19 <= 9) && (a10 == 4)) && (14 == a4)) && (a12 == 0)) || (((((a19 <= 9) && (7 <= a19)) && (14 == a4)) && (a10 == 2)) && (a12 == 0))) || ((((a19 <= 9) && (a10 == 3)) && (14 == a4)) && (a12 == 0))) || (((a10 <= 0) && (14 == a4)) && (a12 == 0))) || ((((7 <= a19) && (a10 == 1)) && (14 == a4)) && (a12 == 0)))
RESULT: Ultimate proved your program to be correct!
[2024-11-13 14:46:31,049 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37d2bb5c-6fc9-4999-bc86-4b9220fcf50c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE