./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem15_label43.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_fc693bf9-4d81-42f8-a46d-0099d5e4c52c/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc693bf9-4d81-42f8-a46d-0099d5e4c52c/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_fc693bf9-4d81-42f8-a46d-0099d5e4c52c/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc693bf9-4d81-42f8-a46d-0099d5e4c52c/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem15_label43.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc693bf9-4d81-42f8-a46d-0099d5e4c52c/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_fc693bf9-4d81-42f8-a46d-0099d5e4c52c/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 443b39ef03d047933d04d3c4124d0553fdbdc2364608b268fc568d4113c9c65f
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-826ab2b
[2024-11-13 14:35:11,460 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-13 14:35:11,552 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc693bf9-4d81-42f8-a46d-0099d5e4c52c/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-13 14:35:11,563 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-13 14:35:11,564 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-13 14:35:11,610 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-13 14:35:11,612 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-13 14:35:11,612 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-13 14:35:11,613 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-13 14:35:11,613 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-13 14:35:11,615 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-13 14:35:11,615 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-13 14:35:11,615 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-13 14:35:11,616 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-13 14:35:11,616 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-13 14:35:11,617 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-13 14:35:11,617 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-13 14:35:11,617 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-13 14:35:11,617 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-13 14:35:11,617 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-13 14:35:11,617 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-13 14:35:11,618 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-13 14:35:11,618 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-13 14:35:11,618 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-13 14:35:11,618 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-13 14:35:11,618 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-13 14:35:11,618 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-13 14:35:11,618 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-13 14:35:11,619 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-13 14:35:11,619 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-13 14:35:11,619 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-13 14:35:11,620 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-13 14:35:11,620 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-13 14:35:11,620 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-13 14:35:11,620 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-13 14:35:11,620 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-13 14:35:11,620 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-13 14:35:11,621 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-13 14:35:11,622 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-13 14:35:11,622 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-13 14:35:11,622 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-13 14:35:11,622 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-13 14:35:11,622 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_fc693bf9-4d81-42f8-a46d-0099d5e4c52c/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 -> 443b39ef03d047933d04d3c4124d0553fdbdc2364608b268fc568d4113c9c65f
[2024-11-13 14:35:12,002 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-13 14:35:12,016 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-13 14:35:12,021 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-13 14:35:12,022 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-13 14:35:12,023 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-13 14:35:12,025 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc693bf9-4d81-42f8-a46d-0099d5e4c52c/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/eca-rers2012/Problem15_label43.c
Unable to find full path for "g++"
[2024-11-13 14:35:14,432 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-13 14:35:14,935 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-13 14:35:14,936 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc693bf9-4d81-42f8-a46d-0099d5e4c52c/sv-benchmarks/c/eca-rers2012/Problem15_label43.c
[2024-11-13 14:35:14,966 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc693bf9-4d81-42f8-a46d-0099d5e4c52c/bin/uautomizer-verify-qhAvR1uOyd/data/7213a54f5/7a140f0954ec4af7874b539882897419/FLAG000860341
[2024-11-13 14:35:14,993 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc693bf9-4d81-42f8-a46d-0099d5e4c52c/bin/uautomizer-verify-qhAvR1uOyd/data/7213a54f5/7a140f0954ec4af7874b539882897419
[2024-11-13 14:35:14,997 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-13 14:35:14,999 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-13 14:35:15,003 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-13 14:35:15,003 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-13 14:35:15,009 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-13 14:35:15,010 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:35:14" (1/1) ...
[2024-11-13 14:35:15,013 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52377b2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:35:15, skipping insertion in model container
[2024-11-13 14:35:15,014 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:35:14" (1/1) ...
[2024-11-13 14:35:15,105 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-13 14:35:15,436 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_fc693bf9-4d81-42f8-a46d-0099d5e4c52c/sv-benchmarks/c/eca-rers2012/Problem15_label43.c[7052,7065]
[2024-11-13 14:35:16,129 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-13 14:35:16,144 INFO L200 MainTranslator]: Completed pre-run
[2024-11-13 14:35:16,184 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_fc693bf9-4d81-42f8-a46d-0099d5e4c52c/sv-benchmarks/c/eca-rers2012/Problem15_label43.c[7052,7065]
[2024-11-13 14:35:16,510 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-13 14:35:16,532 INFO L204 MainTranslator]: Completed translation
[2024-11-13 14:35:16,533 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:35:16 WrapperNode
[2024-11-13 14:35:16,533 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-13 14:35:16,534 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-13 14:35:16,535 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-13 14:35:16,535 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-13 14:35:16,543 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:35:16" (1/1) ...
[2024-11-13 14:35:16,587 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:35:16" (1/1) ...
[2024-11-13 14:35:16,871 INFO L138 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1759
[2024-11-13 14:35:16,871 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-13 14:35:16,872 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-13 14:35:16,874 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-13 14:35:16,875 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-13 14:35:16,886 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:35:16" (1/1) ...
[2024-11-13 14:35:16,886 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:35:16" (1/1) ...
[2024-11-13 14:35:16,926 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:35:16" (1/1) ...
[2024-11-13 14:35:17,063 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 14:35:17,063 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:35:16" (1/1) ...
[2024-11-13 14:35:17,064 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:35:16" (1/1) ...
[2024-11-13 14:35:17,173 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:35:16" (1/1) ...
[2024-11-13 14:35:17,205 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:35:16" (1/1) ...
[2024-11-13 14:35:17,246 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:35:16" (1/1) ...
[2024-11-13 14:35:17,261 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:35:16" (1/1) ...
[2024-11-13 14:35:17,307 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-13 14:35:17,308 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-13 14:35:17,310 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-13 14:35:17,310 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-13 14:35:17,311 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:35:16" (1/1) ...
[2024-11-13 14:35:17,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-13 14:35:17,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc693bf9-4d81-42f8-a46d-0099d5e4c52c/bin/uautomizer-verify-qhAvR1uOyd/z3
[2024-11-13 14:35:17,365 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc693bf9-4d81-42f8-a46d-0099d5e4c52c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-13 14:35:17,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc693bf9-4d81-42f8-a46d-0099d5e4c52c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-13 14:35:17,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-13 14:35:17,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-13 14:35:17,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-13 14:35:17,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-13 14:35:17,523 INFO L238 CfgBuilder]: Building ICFG
[2024-11-13 14:35:17,526 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-13 14:35:21,800 INFO L? ?]: Removed 246 outVars from TransFormulas that were not future-live.
[2024-11-13 14:35:21,800 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-13 14:35:21,836 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-13 14:35:21,837 INFO L316 CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-13 14:35:21,837 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:35:21 BoogieIcfgContainer
[2024-11-13 14:35:21,837 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-13 14:35:21,844 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-13 14:35:21,844 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-13 14:35:21,852 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-13 14:35:21,852 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:35:14" (1/3) ...
[2024-11-13 14:35:21,853 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@423fff95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:35:21, skipping insertion in model container
[2024-11-13 14:35:21,853 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:35:16" (2/3) ...
[2024-11-13 14:35:21,854 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@423fff95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:35:21, skipping insertion in model container
[2024-11-13 14:35:21,854 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:35:21" (3/3) ...
[2024-11-13 14:35:21,856 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem15_label43.c
[2024-11-13 14:35:21,875 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-13 14:35:21,877 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG Problem15_label43.c that has 1 procedures, 424 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-11-13 14:35:21,969 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-13 14:35:21,988 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;@ace963, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-13 14:35:21,989 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-13 14:35:21,997 INFO L276 IsEmpty]: Start isEmpty. Operand has 424 states, 422 states have (on average 1.7772511848341233) internal successors, (750), 423 states have internal predecessors, (750), 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 14:35:22,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59
[2024-11-13 14:35:22,011 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 14:35:22,012 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 14:35:22,013 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 14:35:22,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 14:35:22,020 INFO L85 PathProgramCache]: Analyzing trace with hash -91097894, now seen corresponding path program 1 times
[2024-11-13 14:35:22,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 14:35:22,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379211180]
[2024-11-13 14:35:22,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:35:22,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 14:35:22,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:35:22,712 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 14:35:22,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 14:35:22,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379211180]
[2024-11-13 14:35:22,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379211180] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 14:35:22,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 14:35:22,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-13 14:35:22,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411030927]
[2024-11-13 14:35:22,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 14:35:22,728 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 14:35:22,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 14:35:22,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 14:35:22,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-13 14:35:22,764 INFO L87 Difference]: Start difference. First operand has 424 states, 422 states have (on average 1.7772511848341233) internal successors, (750), 423 states have internal predecessors, (750), 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 19.333333333333332) internal successors, (58), 2 states have internal predecessors, (58), 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 14:35:25,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 14:35:25,964 INFO L93 Difference]: Finished difference Result 1154 states and 2106 transitions.
[2024-11-13 14:35:25,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-13 14:35:25,967 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 2 states have internal predecessors, (58), 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 58
[2024-11-13 14:35:25,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 14:35:25,985 INFO L225 Difference]: With dead ends: 1154
[2024-11-13 14:35:25,985 INFO L226 Difference]: Without dead ends: 665
[2024-11-13 14:35:25,990 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 14:35:25,994 INFO L432 NwaCegarLoop]: 335 mSDtfsCounter, 263 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 976 mSolverCounterSat, 254 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 384 SdHoareTripleChecker+Invalid, 1230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 254 IncrementalHoareTripleChecker+Valid, 976 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time
[2024-11-13 14:35:25,995 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [263 Valid, 384 Invalid, 1230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [254 Valid, 976 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time]
[2024-11-13 14:35:26,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states.
[2024-11-13 14:35:26,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 663.
[2024-11-13 14:35:26,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 663 states, 662 states have (on average 1.4818731117824773) internal successors, (981), 662 states have internal predecessors, (981), 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 14:35:26,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 663 states to 663 states and 981 transitions.
[2024-11-13 14:35:26,131 INFO L78 Accepts]: Start accepts. Automaton has 663 states and 981 transitions. Word has length 58
[2024-11-13 14:35:26,131 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 14:35:26,132 INFO L471 AbstractCegarLoop]: Abstraction has 663 states and 981 transitions.
[2024-11-13 14:35:26,132 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 2 states have internal predecessors, (58), 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 14:35:26,132 INFO L276 IsEmpty]: Start isEmpty. Operand 663 states and 981 transitions.
[2024-11-13 14:35:26,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124
[2024-11-13 14:35:26,142 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 14:35:26,143 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, 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]
[2024-11-13 14:35:26,143 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-13 14:35:26,144 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 14:35:26,144 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 14:35:26,144 INFO L85 PathProgramCache]: Analyzing trace with hash 881007828, now seen corresponding path program 1 times
[2024-11-13 14:35:26,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 14:35:26,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758543832]
[2024-11-13 14:35:26,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:35:26,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 14:35:26,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:35:27,076 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-13 14:35:27,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 14:35:27,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758543832]
[2024-11-13 14:35:27,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758543832] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 14:35:27,077 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 14:35:27,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-13 14:35:27,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644636192]
[2024-11-13 14:35:27,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 14:35:27,080 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 14:35:27,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 14:35:27,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 14:35:27,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-13 14:35:27,082 INFO L87 Difference]: Start difference. First operand 663 states and 981 transitions. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 2 states have internal predecessors, (123), 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 14:35:29,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 14:35:29,342 INFO L93 Difference]: Finished difference Result 1624 states and 2315 transitions.
[2024-11-13 14:35:29,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-13 14:35:29,343 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 2 states have internal predecessors, (123), 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 123
[2024-11-13 14:35:29,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 14:35:29,350 INFO L225 Difference]: With dead ends: 1624
[2024-11-13 14:35:29,350 INFO L226 Difference]: Without dead ends: 963
[2024-11-13 14:35:29,356 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 14:35:29,357 INFO L432 NwaCegarLoop]: 299 mSDtfsCounter, 237 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 910 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 337 SdHoareTripleChecker+Invalid, 934 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 910 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time
[2024-11-13 14:35:29,358 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [237 Valid, 337 Invalid, 934 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 910 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time]
[2024-11-13 14:35:29,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states.
[2024-11-13 14:35:29,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 963.
[2024-11-13 14:35:29,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 963 states, 962 states have (on average 1.362785862785863) internal successors, (1311), 962 states have internal predecessors, (1311), 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 14:35:29,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 963 states and 1311 transitions.
[2024-11-13 14:35:29,419 INFO L78 Accepts]: Start accepts. Automaton has 963 states and 1311 transitions. Word has length 123
[2024-11-13 14:35:29,419 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 14:35:29,420 INFO L471 AbstractCegarLoop]: Abstraction has 963 states and 1311 transitions.
[2024-11-13 14:35:29,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 2 states have internal predecessors, (123), 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 14:35:29,420 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1311 transitions.
[2024-11-13 14:35:29,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129
[2024-11-13 14:35:29,425 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 14:35:29,425 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, 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]
[2024-11-13 14:35:29,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-13 14:35:29,426 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 14:35:29,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 14:35:29,430 INFO L85 PathProgramCache]: Analyzing trace with hash -2018581052, now seen corresponding path program 1 times
[2024-11-13 14:35:29,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 14:35:29,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674983197]
[2024-11-13 14:35:29,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:35:29,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 14:35:29,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:35:29,748 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-13 14:35:29,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 14:35:29,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674983197]
[2024-11-13 14:35:29,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674983197] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 14:35:29,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 14:35:29,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-13 14:35:29,749 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086249365]
[2024-11-13 14:35:29,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 14:35:29,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 14:35:29,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 14:35:29,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 14:35:29,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-13 14:35:29,751 INFO L87 Difference]: Start difference. First operand 963 states and 1311 transitions. Second operand has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 2 states have internal predecessors, (128), 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 14:35:32,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 14:35:32,211 INFO L93 Difference]: Finished difference Result 2229 states and 3186 transitions.
[2024-11-13 14:35:32,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-13 14:35:32,212 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 2 states have internal predecessors, (128), 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 128
[2024-11-13 14:35:32,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 14:35:32,220 INFO L225 Difference]: With dead ends: 2229
[2024-11-13 14:35:32,220 INFO L226 Difference]: Without dead ends: 1567
[2024-11-13 14:35:32,222 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 14:35:32,223 INFO L432 NwaCegarLoop]: 279 mSDtfsCounter, 256 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 839 mSolverCounterSat, 285 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 256 SdHoareTripleChecker+Valid, 318 SdHoareTripleChecker+Invalid, 1124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 285 IncrementalHoareTripleChecker+Valid, 839 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time
[2024-11-13 14:35:32,224 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [256 Valid, 318 Invalid, 1124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [285 Valid, 839 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time]
[2024-11-13 14:35:32,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1567 states.
[2024-11-13 14:35:32,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1567 to 1266.
[2024-11-13 14:35:32,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1266 states, 1265 states have (on average 1.3043478260869565) internal successors, (1650), 1265 states have internal predecessors, (1650), 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 14:35:32,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1266 states to 1266 states and 1650 transitions.
[2024-11-13 14:35:32,272 INFO L78 Accepts]: Start accepts. Automaton has 1266 states and 1650 transitions. Word has length 128
[2024-11-13 14:35:32,273 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 14:35:32,274 INFO L471 AbstractCegarLoop]: Abstraction has 1266 states and 1650 transitions.
[2024-11-13 14:35:32,275 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 2 states have internal predecessors, (128), 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 14:35:32,275 INFO L276 IsEmpty]: Start isEmpty. Operand 1266 states and 1650 transitions.
[2024-11-13 14:35:32,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225
[2024-11-13 14:35:32,284 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 14:35:32,284 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, 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, 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 14:35:32,287 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-13 14:35:32,287 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 14:35:32,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 14:35:32,288 INFO L85 PathProgramCache]: Analyzing trace with hash 1802483433, now seen corresponding path program 1 times
[2024-11-13 14:35:32,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 14:35:32,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388946917]
[2024-11-13 14:35:32,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:35:32,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 14:35:32,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:35:32,780 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-13 14:35:32,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 14:35:32,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388946917]
[2024-11-13 14:35:32,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388946917] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 14:35:32,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 14:35:32,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-13 14:35:32,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765772769]
[2024-11-13 14:35:32,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 14:35:32,783 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-13 14:35:32,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 14:35:32,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-13 14:35:32,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-13 14:35:32,787 INFO L87 Difference]: Start difference. First operand 1266 states and 1650 transitions. Second operand has 4 states, 4 states have (on average 56.0) internal successors, (224), 3 states have internal predecessors, (224), 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 14:35:37,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 14:35:37,273 INFO L93 Difference]: Finished difference Result 4670 states and 6170 transitions.
[2024-11-13 14:35:37,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-13 14:35:37,274 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 56.0) internal successors, (224), 3 states have internal predecessors, (224), 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 224
[2024-11-13 14:35:37,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 14:35:37,327 INFO L225 Difference]: With dead ends: 4670
[2024-11-13 14:35:37,328 INFO L226 Difference]: Without dead ends: 3406
[2024-11-13 14:35:37,330 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-13 14:35:37,334 INFO L432 NwaCegarLoop]: 291 mSDtfsCounter, 487 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 2279 mSolverCounterSat, 269 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 487 SdHoareTripleChecker+Valid, 375 SdHoareTripleChecker+Invalid, 2548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 269 IncrementalHoareTripleChecker+Valid, 2279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time
[2024-11-13 14:35:37,336 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [487 Valid, 375 Invalid, 2548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [269 Valid, 2279 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time]
[2024-11-13 14:35:37,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3406 states.
[2024-11-13 14:35:37,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3406 to 3381.
[2024-11-13 14:35:37,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3381 states, 3380 states have (on average 1.23698224852071) internal successors, (4181), 3380 states have internal predecessors, (4181), 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 14:35:37,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3381 states to 3381 states and 4181 transitions.
[2024-11-13 14:35:37,438 INFO L78 Accepts]: Start accepts. Automaton has 3381 states and 4181 transitions. Word has length 224
[2024-11-13 14:35:37,440 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 14:35:37,440 INFO L471 AbstractCegarLoop]: Abstraction has 3381 states and 4181 transitions.
[2024-11-13 14:35:37,440 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 56.0) internal successors, (224), 3 states have internal predecessors, (224), 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 14:35:37,440 INFO L276 IsEmpty]: Start isEmpty. Operand 3381 states and 4181 transitions.
[2024-11-13 14:35:37,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229
[2024-11-13 14:35:37,445 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 14:35:37,445 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 14:35:37,446 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-13 14:35:37,446 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 14:35:37,446 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 14:35:37,447 INFO L85 PathProgramCache]: Analyzing trace with hash -2122926113, now seen corresponding path program 1 times
[2024-11-13 14:35:37,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 14:35:37,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933776264]
[2024-11-13 14:35:37,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:35:37,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 14:35:37,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:35:37,832 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked.
[2024-11-13 14:35:37,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 14:35:37,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933776264]
[2024-11-13 14:35:37,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933776264] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 14:35:37,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 14:35:37,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-13 14:35:37,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402162664]
[2024-11-13 14:35:37,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 14:35:37,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 14:35:37,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 14:35:37,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 14:35:37,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-13 14:35:37,837 INFO L87 Difference]: Start difference. First operand 3381 states and 4181 transitions. Second operand has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 2 states have internal predecessors, (151), 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 14:35:40,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 14:35:40,951 INFO L93 Difference]: Finished difference Result 8563 states and 10756 transitions.
[2024-11-13 14:35:40,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-13 14:35:40,953 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 2 states have internal predecessors, (151), 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 228
[2024-11-13 14:35:40,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 14:35:40,974 INFO L225 Difference]: With dead ends: 8563
[2024-11-13 14:35:40,974 INFO L226 Difference]: Without dead ends: 5483
[2024-11-13 14:35:40,979 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 14:35:40,982 INFO L432 NwaCegarLoop]: 273 mSDtfsCounter, 257 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 791 mSolverCounterSat, 298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 1089 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 298 IncrementalHoareTripleChecker+Valid, 791 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time
[2024-11-13 14:35:40,983 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 340 Invalid, 1089 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [298 Valid, 791 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time]
[2024-11-13 14:35:40,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5483 states.
[2024-11-13 14:35:41,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5483 to 5478.
[2024-11-13 14:35:41,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5478 states, 5477 states have (on average 1.168888077414643) internal successors, (6402), 5477 states have internal predecessors, (6402), 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 14:35:41,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5478 states to 5478 states and 6402 transitions.
[2024-11-13 14:35:41,191 INFO L78 Accepts]: Start accepts. Automaton has 5478 states and 6402 transitions. Word has length 228
[2024-11-13 14:35:41,192 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 14:35:41,192 INFO L471 AbstractCegarLoop]: Abstraction has 5478 states and 6402 transitions.
[2024-11-13 14:35:41,192 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.333333333333336) internal successors, (151), 2 states have internal predecessors, (151), 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 14:35:41,192 INFO L276 IsEmpty]: Start isEmpty. Operand 5478 states and 6402 transitions.
[2024-11-13 14:35:41,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331
[2024-11-13 14:35:41,199 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 14:35:41,200 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:35:41,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-13 14:35:41,200 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 14:35:41,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 14:35:41,201 INFO L85 PathProgramCache]: Analyzing trace with hash 1142257477, now seen corresponding path program 1 times
[2024-11-13 14:35:41,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 14:35:41,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121448527]
[2024-11-13 14:35:41,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:35:41,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 14:35:41,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:35:42,330 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked.
[2024-11-13 14:35:42,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 14:35:42,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121448527]
[2024-11-13 14:35:42,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121448527] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 14:35:42,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 14:35:42,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-13 14:35:42,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55295057]
[2024-11-13 14:35:42,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 14:35:42,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 14:35:42,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 14:35:42,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 14:35:42,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-13 14:35:42,334 INFO L87 Difference]: Start difference. First operand 5478 states and 6402 transitions. Second operand has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 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 14:35:44,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 14:35:44,376 INFO L93 Difference]: Finished difference Result 10655 states and 12491 transitions.
[2024-11-13 14:35:44,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-13 14:35:44,377 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 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 330
[2024-11-13 14:35:44,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 14:35:44,398 INFO L225 Difference]: With dead ends: 10655
[2024-11-13 14:35:44,399 INFO L226 Difference]: Without dead ends: 5478
[2024-11-13 14:35:44,405 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 14:35:44,406 INFO L432 NwaCegarLoop]: 324 mSDtfsCounter, 105 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 888 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 893 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 888 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time
[2024-11-13 14:35:44,407 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 359 Invalid, 893 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 888 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time]
[2024-11-13 14:35:44,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5478 states.
[2024-11-13 14:35:44,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5478 to 5478.
[2024-11-13 14:35:44,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5478 states, 5477 states have (on average 1.1677925871827644) internal successors, (6396), 5477 states have internal predecessors, (6396), 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 14:35:44,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5478 states to 5478 states and 6396 transitions.
[2024-11-13 14:35:44,544 INFO L78 Accepts]: Start accepts. Automaton has 5478 states and 6396 transitions. Word has length 330
[2024-11-13 14:35:44,548 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 14:35:44,549 INFO L471 AbstractCegarLoop]: Abstraction has 5478 states and 6396 transitions.
[2024-11-13 14:35:44,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 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 14:35:44,549 INFO L276 IsEmpty]: Start isEmpty. Operand 5478 states and 6396 transitions.
[2024-11-13 14:35:44,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346
[2024-11-13 14:35:44,558 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 14:35:44,558 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:35:44,558 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-13 14:35:44,559 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 14:35:44,559 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 14:35:44,559 INFO L85 PathProgramCache]: Analyzing trace with hash 1375321333, now seen corresponding path program 1 times
[2024-11-13 14:35:44,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 14:35:44,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52888765]
[2024-11-13 14:35:44,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:35:44,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 14:35:44,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:35:44,946 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked.
[2024-11-13 14:35:44,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 14:35:44,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52888765]
[2024-11-13 14:35:44,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52888765] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 14:35:44,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 14:35:44,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-13 14:35:44,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554927794]
[2024-11-13 14:35:44,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 14:35:44,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 14:35:44,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 14:35:44,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 14:35:44,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-13 14:35:44,952 INFO L87 Difference]: Start difference. First operand 5478 states and 6396 transitions. Second operand has 3 states, 3 states have (on average 85.33333333333333) internal successors, (256), 3 states have internal predecessors, (256), 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 14:35:47,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 14:35:47,644 INFO L93 Difference]: Finished difference Result 11851 states and 14153 transitions.
[2024-11-13 14:35:47,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-13 14:35:47,645 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 85.33333333333333) internal successors, (256), 3 states have internal predecessors, (256), 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 345
[2024-11-13 14:35:47,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 14:35:47,659 INFO L225 Difference]: With dead ends: 11851
[2024-11-13 14:35:47,659 INFO L226 Difference]: Without dead ends: 6674
[2024-11-13 14:35:47,665 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 14:35:47,666 INFO L432 NwaCegarLoop]: 278 mSDtfsCounter, 257 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 908 mSolverCounterSat, 206 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 1114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 206 IncrementalHoareTripleChecker+Valid, 908 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time
[2024-11-13 14:35:47,666 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 323 Invalid, 1114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [206 Valid, 908 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time]
[2024-11-13 14:35:47,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6674 states.
[2024-11-13 14:35:47,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6674 to 5175.
[2024-11-13 14:35:47,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5175 states, 5174 states have (on average 1.1749130266718206) internal successors, (6079), 5174 states have internal predecessors, (6079), 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 14:35:47,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5175 states to 5175 states and 6079 transitions.
[2024-11-13 14:35:47,790 INFO L78 Accepts]: Start accepts. Automaton has 5175 states and 6079 transitions. Word has length 345
[2024-11-13 14:35:47,791 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 14:35:47,791 INFO L471 AbstractCegarLoop]: Abstraction has 5175 states and 6079 transitions.
[2024-11-13 14:35:47,792 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 85.33333333333333) internal successors, (256), 3 states have internal predecessors, (256), 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 14:35:47,792 INFO L276 IsEmpty]: Start isEmpty. Operand 5175 states and 6079 transitions.
[2024-11-13 14:35:47,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405
[2024-11-13 14:35:47,801 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 14:35:47,802 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:35:47,802 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-11-13 14:35:47,802 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 14:35:47,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 14:35:47,803 INFO L85 PathProgramCache]: Analyzing trace with hash -1762915977, now seen corresponding path program 1 times
[2024-11-13 14:35:47,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 14:35:47,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540825602]
[2024-11-13 14:35:47,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:35:47,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 14:35:47,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:35:48,453 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked.
[2024-11-13 14:35:48,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 14:35:48,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540825602]
[2024-11-13 14:35:48,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540825602] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 14:35:48,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 14:35:48,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-13 14:35:48,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371585423]
[2024-11-13 14:35:48,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 14:35:48,456 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 14:35:48,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 14:35:48,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 14:35:48,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-13 14:35:48,457 INFO L87 Difference]: Start difference. First operand 5175 states and 6079 transitions. Second operand has 3 states, 3 states have (on average 110.0) internal successors, (330), 3 states have internal predecessors, (330), 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 14:35:50,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 14:35:50,708 INFO L93 Difference]: Finished difference Result 12151 states and 14569 transitions.
[2024-11-13 14:35:50,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-13 14:35:50,709 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 110.0) internal successors, (330), 3 states have internal predecessors, (330), 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 404
[2024-11-13 14:35:50,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 14:35:50,733 INFO L225 Difference]: With dead ends: 12151
[2024-11-13 14:35:50,733 INFO L226 Difference]: Without dead ends: 7277
[2024-11-13 14:35:50,738 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 14:35:50,739 INFO L432 NwaCegarLoop]: 598 mSDtfsCounter, 270 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 896 mSolverCounterSat, 227 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 635 SdHoareTripleChecker+Invalid, 1123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 227 IncrementalHoareTripleChecker+Valid, 896 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time
[2024-11-13 14:35:50,739 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [270 Valid, 635 Invalid, 1123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [227 Valid, 896 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time]
[2024-11-13 14:35:50,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7277 states.
[2024-11-13 14:35:50,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7277 to 6380.
[2024-11-13 14:35:50,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6380 states, 6379 states have (on average 1.1559805612164915) internal successors, (7374), 6379 states have internal predecessors, (7374), 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 14:35:50,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6380 states to 6380 states and 7374 transitions.
[2024-11-13 14:35:50,917 INFO L78 Accepts]: Start accepts. Automaton has 6380 states and 7374 transitions. Word has length 404
[2024-11-13 14:35:50,918 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 14:35:50,918 INFO L471 AbstractCegarLoop]: Abstraction has 6380 states and 7374 transitions.
[2024-11-13 14:35:50,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 110.0) internal successors, (330), 3 states have internal predecessors, (330), 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 14:35:50,920 INFO L276 IsEmpty]: Start isEmpty. Operand 6380 states and 7374 transitions.
[2024-11-13 14:35:50,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411
[2024-11-13 14:35:50,933 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 14:35:50,933 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:35:50,934 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-11-13 14:35:50,934 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 14:35:50,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 14:35:50,935 INFO L85 PathProgramCache]: Analyzing trace with hash 748524267, now seen corresponding path program 1 times
[2024-11-13 14:35:50,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 14:35:50,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163418738]
[2024-11-13 14:35:50,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:35:50,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 14:35:51,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:35:51,558 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 190 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-13 14:35:51,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 14:35:51,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163418738]
[2024-11-13 14:35:51,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [163418738] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 14:35:51,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 14:35:51,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-13 14:35:51,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593191741]
[2024-11-13 14:35:51,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 14:35:51,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 14:35:51,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 14:35:51,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 14:35:51,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-13 14:35:51,565 INFO L87 Difference]: Start difference. First operand 6380 states and 7374 transitions. Second operand has 3 states, 3 states have (on average 136.66666666666666) internal successors, (410), 3 states have internal predecessors, (410), 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 14:35:53,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 14:35:53,655 INFO L93 Difference]: Finished difference Result 14563 states and 17155 transitions.
[2024-11-13 14:35:53,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-13 14:35:53,656 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 136.66666666666666) internal successors, (410), 3 states have internal predecessors, (410), 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 410
[2024-11-13 14:35:53,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 14:35:53,677 INFO L225 Difference]: With dead ends: 14563
[2024-11-13 14:35:53,677 INFO L226 Difference]: Without dead ends: 8484
[2024-11-13 14:35:53,681 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 14:35:53,682 INFO L432 NwaCegarLoop]: 564 mSDtfsCounter, 250 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 904 mSolverCounterSat, 223 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 602 SdHoareTripleChecker+Invalid, 1127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 223 IncrementalHoareTripleChecker+Valid, 904 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time
[2024-11-13 14:35:53,682 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 602 Invalid, 1127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [223 Valid, 904 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time]
[2024-11-13 14:35:53,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8484 states.
[2024-11-13 14:35:53,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8484 to 8182.
[2024-11-13 14:35:53,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8182 states, 8181 states have (on average 1.1356802346901356) internal successors, (9291), 8181 states have internal predecessors, (9291), 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 14:35:53,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8182 states to 8182 states and 9291 transitions.
[2024-11-13 14:35:53,796 INFO L78 Accepts]: Start accepts. Automaton has 8182 states and 9291 transitions. Word has length 410
[2024-11-13 14:35:53,797 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 14:35:53,797 INFO L471 AbstractCegarLoop]: Abstraction has 8182 states and 9291 transitions.
[2024-11-13 14:35:53,798 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 136.66666666666666) internal successors, (410), 3 states have internal predecessors, (410), 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 14:35:53,798 INFO L276 IsEmpty]: Start isEmpty. Operand 8182 states and 9291 transitions.
[2024-11-13 14:35:53,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 427
[2024-11-13 14:35:53,803 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 14:35:53,803 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:35:53,803 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-11-13 14:35:53,804 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 14:35:53,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 14:35:53,804 INFO L85 PathProgramCache]: Analyzing trace with hash 375738378, now seen corresponding path program 1 times
[2024-11-13 14:35:53,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 14:35:53,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289050672]
[2024-11-13 14:35:53,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:35:53,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 14:35:53,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:35:54,274 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 328 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked.
[2024-11-13 14:35:54,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 14:35:54,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289050672]
[2024-11-13 14:35:54,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289050672] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 14:35:54,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 14:35:54,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-13 14:35:54,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859005393]
[2024-11-13 14:35:54,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 14:35:54,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 14:35:54,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 14:35:54,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 14:35:54,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-13 14:35:54,277 INFO L87 Difference]: Start difference. First operand 8182 states and 9291 transitions. Second operand has 3 states, 3 states have (on average 112.33333333333333) internal successors, (337), 3 states have internal predecessors, (337), 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 14:35:56,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 14:35:56,610 INFO L93 Difference]: Finished difference Result 17857 states and 20652 transitions.
[2024-11-13 14:35:56,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-13 14:35:56,611 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 112.33333333333333) internal successors, (337), 3 states have internal predecessors, (337), 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 426
[2024-11-13 14:35:56,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 14:35:56,632 INFO L225 Difference]: With dead ends: 17857
[2024-11-13 14:35:56,632 INFO L226 Difference]: Without dead ends: 9976
[2024-11-13 14:35:56,639 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 14:35:56,640 INFO L432 NwaCegarLoop]: 580 mSDtfsCounter, 245 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 880 mSolverCounterSat, 242 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 619 SdHoareTripleChecker+Invalid, 1122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 242 IncrementalHoareTripleChecker+Valid, 880 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time
[2024-11-13 14:35:56,641 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [245 Valid, 619 Invalid, 1122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [242 Valid, 880 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time]
[2024-11-13 14:35:56,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9976 states.
[2024-11-13 14:35:56,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9976 to 9673.
[2024-11-13 14:35:56,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9673 states, 9672 states have (on average 1.1267576509511994) internal successors, (10898), 9672 states have internal predecessors, (10898), 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 14:35:56,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9673 states to 9673 states and 10898 transitions.
[2024-11-13 14:35:56,781 INFO L78 Accepts]: Start accepts. Automaton has 9673 states and 10898 transitions. Word has length 426
[2024-11-13 14:35:56,783 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 14:35:56,783 INFO L471 AbstractCegarLoop]: Abstraction has 9673 states and 10898 transitions.
[2024-11-13 14:35:56,783 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 112.33333333333333) internal successors, (337), 3 states have internal predecessors, (337), 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 14:35:56,783 INFO L276 IsEmpty]: Start isEmpty. Operand 9673 states and 10898 transitions.
[2024-11-13 14:35:56,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 523
[2024-11-13 14:35:56,791 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 14:35:56,791 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:35:56,793 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-11-13 14:35:56,794 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 14:35:56,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 14:35:56,794 INFO L85 PathProgramCache]: Analyzing trace with hash 583413725, now seen corresponding path program 1 times
[2024-11-13 14:35:56,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 14:35:56,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579943854]
[2024-11-13 14:35:56,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:35:56,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 14:35:56,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:35:57,183 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked.
[2024-11-13 14:35:57,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 14:35:57,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579943854]
[2024-11-13 14:35:57,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579943854] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 14:35:57,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 14:35:57,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-13 14:35:57,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074788065]
[2024-11-13 14:35:57,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 14:35:57,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 14:35:57,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 14:35:57,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 14:35:57,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-13 14:35:57,187 INFO L87 Difference]: Start difference. First operand 9673 states and 10898 transitions. Second operand has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 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 14:35:59,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 14:35:59,656 INFO L93 Difference]: Finished difference Result 21436 states and 24446 transitions.
[2024-11-13 14:35:59,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-13 14:35:59,656 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 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 522
[2024-11-13 14:35:59,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 14:35:59,682 INFO L225 Difference]: With dead ends: 21436
[2024-11-13 14:35:59,682 INFO L226 Difference]: Without dead ends: 12064
[2024-11-13 14:35:59,691 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 14:35:59,692 INFO L432 NwaCegarLoop]: 427 mSDtfsCounter, 357 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 969 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 357 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 1096 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 969 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time
[2024-11-13 14:35:59,692 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [357 Valid, 447 Invalid, 1096 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 969 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time]
[2024-11-13 14:35:59,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12064 states.
[2024-11-13 14:35:59,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12064 to 12064.
[2024-11-13 14:35:59,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12064 states, 12063 states have (on average 1.1321396004310702) internal successors, (13657), 12063 states have internal predecessors, (13657), 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 14:35:59,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12064 states to 12064 states and 13657 transitions.
[2024-11-13 14:35:59,864 INFO L78 Accepts]: Start accepts. Automaton has 12064 states and 13657 transitions. Word has length 522
[2024-11-13 14:35:59,865 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 14:35:59,865 INFO L471 AbstractCegarLoop]: Abstraction has 12064 states and 13657 transitions.
[2024-11-13 14:35:59,865 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 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 14:35:59,865 INFO L276 IsEmpty]: Start isEmpty. Operand 12064 states and 13657 transitions.
[2024-11-13 14:35:59,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 547
[2024-11-13 14:35:59,873 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 14:35:59,874 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:35:59,874 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-11-13 14:35:59,874 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 14:35:59,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 14:35:59,875 INFO L85 PathProgramCache]: Analyzing trace with hash 601062553, now seen corresponding path program 1 times
[2024-11-13 14:35:59,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 14:35:59,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668552823]
[2024-11-13 14:35:59,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:35:59,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 14:36:00,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:36:00,803 INFO L134 CoverageAnalysis]: Checked inductivity of 759 backedges. 459 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked.
[2024-11-13 14:36:00,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 14:36:00,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668552823]
[2024-11-13 14:36:00,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668552823] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 14:36:00,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 14:36:00,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-13 14:36:00,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817361314]
[2024-11-13 14:36:00,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 14:36:00,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 14:36:00,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 14:36:00,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 14:36:00,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-13 14:36:00,806 INFO L87 Difference]: Start difference. First operand 12064 states and 13657 transitions. Second operand has 3 states, 3 states have (on average 112.66666666666667) internal successors, (338), 3 states have internal predecessors, (338), 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 14:36:03,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 14:36:03,105 INFO L93 Difference]: Finished difference Result 28625 states and 32702 transitions.
[2024-11-13 14:36:03,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-13 14:36:03,105 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 112.66666666666667) internal successors, (338), 3 states have internal predecessors, (338), 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 546
[2024-11-13 14:36:03,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 14:36:03,131 INFO L225 Difference]: With dead ends: 28625
[2024-11-13 14:36:03,132 INFO L226 Difference]: Without dead ends: 16862
[2024-11-13 14:36:03,143 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 14:36:03,144 INFO L432 NwaCegarLoop]: 589 mSDtfsCounter, 246 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 1040 mSolverCounterSat, 170 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 622 SdHoareTripleChecker+Invalid, 1210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 170 IncrementalHoareTripleChecker+Valid, 1040 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time
[2024-11-13 14:36:03,144 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 622 Invalid, 1210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [170 Valid, 1040 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time]
[2024-11-13 14:36:03,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16862 states.
[2024-11-13 14:36:03,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16862 to 15954.
[2024-11-13 14:36:03,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15954 states, 15953 states have (on average 1.1254309534256879) internal successors, (17954), 15953 states have internal predecessors, (17954), 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 14:36:03,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15954 states to 15954 states and 17954 transitions.
[2024-11-13 14:36:03,493 INFO L78 Accepts]: Start accepts. Automaton has 15954 states and 17954 transitions. Word has length 546
[2024-11-13 14:36:03,494 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 14:36:03,494 INFO L471 AbstractCegarLoop]: Abstraction has 15954 states and 17954 transitions.
[2024-11-13 14:36:03,494 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 112.66666666666667) internal successors, (338), 3 states have internal predecessors, (338), 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 14:36:03,495 INFO L276 IsEmpty]: Start isEmpty. Operand 15954 states and 17954 transitions.
[2024-11-13 14:36:03,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 614
[2024-11-13 14:36:03,507 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 14:36:03,508 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:36:03,508 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2024-11-13 14:36:03,508 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 14:36:03,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 14:36:03,509 INFO L85 PathProgramCache]: Analyzing trace with hash -945633402, now seen corresponding path program 1 times
[2024-11-13 14:36:03,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 14:36:03,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113666749]
[2024-11-13 14:36:03,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:36:03,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 14:36:03,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:36:04,557 INFO L134 CoverageAnalysis]: Checked inductivity of 879 backedges. 608 proven. 39 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked.
[2024-11-13 14:36:04,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 14:36:04,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113666749]
[2024-11-13 14:36:04,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113666749] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-13 14:36:04,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1752847376]
[2024-11-13 14:36:04,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:36:04,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-13 14:36:04,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc693bf9-4d81-42f8-a46d-0099d5e4c52c/bin/uautomizer-verify-qhAvR1uOyd/z3
[2024-11-13 14:36:04,563 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc693bf9-4d81-42f8-a46d-0099d5e4c52c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-13 14:36:04,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc693bf9-4d81-42f8-a46d-0099d5e4c52c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-13 14:36:04,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:36:04,908 INFO L255 TraceCheckSpWp]: Trace formula consists of 749 conjuncts, 7 conjuncts are in the unsatisfiable core
[2024-11-13 14:36:04,926 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-13 14:36:06,348 INFO L134 CoverageAnalysis]: Checked inductivity of 879 backedges. 608 proven. 39 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked.
[2024-11-13 14:36:06,348 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-13 14:36:07,592 INFO L134 CoverageAnalysis]: Checked inductivity of 879 backedges. 608 proven. 39 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked.
[2024-11-13 14:36:07,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1752847376] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-13 14:36:07,593 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-13 14:36:07,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8
[2024-11-13 14:36:07,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014639735]
[2024-11-13 14:36:07,594 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-13 14:36:07,595 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-11-13 14:36:07,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 14:36:07,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-11-13 14:36:07,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72
[2024-11-13 14:36:07,599 INFO L87 Difference]: Start difference. First operand 15954 states and 17954 transitions. Second operand has 9 states, 9 states have (on average 80.77777777777777) internal successors, (727), 8 states have internal predecessors, (727), 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 14:36:15,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 14:36:15,907 INFO L93 Difference]: Finished difference Result 39939 states and 44700 transitions.
[2024-11-13 14:36:15,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2024-11-13 14:36:15,907 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 80.77777777777777) internal successors, (727), 8 states have internal predecessors, (727), 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 613
[2024-11-13 14:36:15,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 14:36:15,930 INFO L225 Difference]: With dead ends: 39939
[2024-11-13 14:36:15,931 INFO L226 Difference]: Without dead ends: 17747
[2024-11-13 14:36:15,946 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1235 GetRequests, 1221 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=89, Invalid=151, Unknown=0, NotChecked=0, Total=240
[2024-11-13 14:36:15,946 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 3348 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 4913 mSolverCounterSat, 705 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3348 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 5618 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 705 IncrementalHoareTripleChecker+Valid, 4913 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time
[2024-11-13 14:36:15,947 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3348 Valid, 230 Invalid, 5618 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [705 Valid, 4913 Invalid, 0 Unknown, 0 Unchecked, 7.8s Time]
[2024-11-13 14:36:15,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17747 states.
[2024-11-13 14:36:16,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17747 to 12661.
[2024-11-13 14:36:16,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12661 states, 12660 states have (on average 1.0695102685624012) internal successors, (13540), 12660 states have internal predecessors, (13540), 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 14:36:16,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12661 states to 12661 states and 13540 transitions.
[2024-11-13 14:36:16,252 INFO L78 Accepts]: Start accepts. Automaton has 12661 states and 13540 transitions. Word has length 613
[2024-11-13 14:36:16,252 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 14:36:16,252 INFO L471 AbstractCegarLoop]: Abstraction has 12661 states and 13540 transitions.
[2024-11-13 14:36:16,253 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 80.77777777777777) internal successors, (727), 8 states have internal predecessors, (727), 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 14:36:16,253 INFO L276 IsEmpty]: Start isEmpty. Operand 12661 states and 13540 transitions.
[2024-11-13 14:36:16,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 639
[2024-11-13 14:36:16,269 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 14:36:16,272 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:36:16,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc693bf9-4d81-42f8-a46d-0099d5e4c52c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-11-13 14:36:16,473 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc693bf9-4d81-42f8-a46d-0099d5e4c52c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-13 14:36:16,473 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 14:36:16,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 14:36:16,474 INFO L85 PathProgramCache]: Analyzing trace with hash -1058427736, now seen corresponding path program 1 times
[2024-11-13 14:36:16,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 14:36:16,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684425998]
[2024-11-13 14:36:16,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:36:16,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 14:36:16,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:36:17,050 INFO L134 CoverageAnalysis]: Checked inductivity of 793 backedges. 403 proven. 0 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked.
[2024-11-13 14:36:17,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 14:36:17,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684425998]
[2024-11-13 14:36:17,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684425998] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 14:36:17,051 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 14:36:17,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-13 14:36:17,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765935316]
[2024-11-13 14:36:17,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 14:36:17,053 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 14:36:17,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 14:36:17,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 14:36:17,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-13 14:36:17,054 INFO L87 Difference]: Start difference. First operand 12661 states and 13540 transitions. Second operand has 3 states, 3 states have (on average 119.0) internal successors, (357), 3 states have internal predecessors, (357), 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 14:36:18,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 14:36:18,511 INFO L93 Difference]: Finished difference Result 25318 states and 27088 transitions.
[2024-11-13 14:36:18,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-13 14:36:18,511 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 119.0) internal successors, (357), 3 states have internal predecessors, (357), 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 638
[2024-11-13 14:36:18,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 14:36:18,527 INFO L225 Difference]: With dead ends: 25318
[2024-11-13 14:36:18,527 INFO L226 Difference]: Without dead ends: 12958
[2024-11-13 14:36:18,533 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 14:36:18,534 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 437 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 742 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 437 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 827 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 742 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time
[2024-11-13 14:36:18,534 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [437 Valid, 69 Invalid, 827 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 742 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time]
[2024-11-13 14:36:18,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12958 states.
[2024-11-13 14:36:18,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12958 to 12659.
[2024-11-13 14:36:18,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12659 states, 12658 states have (on average 1.0693632485384736) internal successors, (13536), 12658 states have internal predecessors, (13536), 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 14:36:18,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12659 states to 12659 states and 13536 transitions.
[2024-11-13 14:36:18,715 INFO L78 Accepts]: Start accepts. Automaton has 12659 states and 13536 transitions. Word has length 638
[2024-11-13 14:36:18,716 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 14:36:18,717 INFO L471 AbstractCegarLoop]: Abstraction has 12659 states and 13536 transitions.
[2024-11-13 14:36:18,717 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 119.0) internal successors, (357), 3 states have internal predecessors, (357), 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 14:36:18,717 INFO L276 IsEmpty]: Start isEmpty. Operand 12659 states and 13536 transitions.
[2024-11-13 14:36:18,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 660
[2024-11-13 14:36:18,727 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 14:36:18,727 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 1, 1, 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 14:36:18,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2024-11-13 14:36:18,728 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 14:36:18,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 14:36:18,729 INFO L85 PathProgramCache]: Analyzing trace with hash -115764073, now seen corresponding path program 1 times
[2024-11-13 14:36:18,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 14:36:18,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118225178]
[2024-11-13 14:36:18,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:36:18,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 14:36:18,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:36:20,425 INFO L134 CoverageAnalysis]: Checked inductivity of 603 backedges. 112 proven. 384 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked.
[2024-11-13 14:36:20,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 14:36:20,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118225178]
[2024-11-13 14:36:20,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118225178] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-13 14:36:20,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [555139620]
[2024-11-13 14:36:20,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:36:20,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-13 14:36:20,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc693bf9-4d81-42f8-a46d-0099d5e4c52c/bin/uautomizer-verify-qhAvR1uOyd/z3
[2024-11-13 14:36:20,429 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc693bf9-4d81-42f8-a46d-0099d5e4c52c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-13 14:36:20,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc693bf9-4d81-42f8-a46d-0099d5e4c52c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-13 14:36:20,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:36:20,776 INFO L255 TraceCheckSpWp]: Trace formula consists of 775 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-13 14:36:20,790 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-13 14:36:20,951 INFO L134 CoverageAnalysis]: Checked inductivity of 603 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked.
[2024-11-13 14:36:20,951 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-13 14:36:20,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [555139620] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 14:36:20,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-13 14:36:20,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6
[2024-11-13 14:36:20,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961044246]
[2024-11-13 14:36:20,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 14:36:20,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 14:36:20,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 14:36:20,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 14:36:20,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-11-13 14:36:20,957 INFO L87 Difference]: Start difference. First operand 12659 states and 13536 transitions. Second operand has 3 states, 3 states have (on average 110.33333333333333) internal successors, (331), 3 states have internal predecessors, (331), 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 14:36:22,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 14:36:22,617 INFO L93 Difference]: Finished difference Result 29201 states and 31295 transitions.
[2024-11-13 14:36:22,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-13 14:36:22,619 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 110.33333333333333) internal successors, (331), 3 states have internal predecessors, (331), 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 659
[2024-11-13 14:36:22,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 14:36:22,637 INFO L225 Difference]: With dead ends: 29201
[2024-11-13 14:36:22,638 INFO L226 Difference]: Without dead ends: 16544
[2024-11-13 14:36:22,644 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 663 GetRequests, 659 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-11-13 14:36:22,645 INFO L432 NwaCegarLoop]: 506 mSDtfsCounter, 257 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 756 mSolverCounterSat, 124 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 880 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 124 IncrementalHoareTripleChecker+Valid, 756 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2024-11-13 14:36:22,645 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 544 Invalid, 880 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [124 Valid, 756 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2024-11-13 14:36:22,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16544 states.
[2024-11-13 14:36:22,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16544 to 15647.
[2024-11-13 14:36:22,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15647 states, 15646 states have (on average 1.0579061741020068) internal successors, (16552), 15646 states have internal predecessors, (16552), 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 14:36:22,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15647 states to 15647 states and 16552 transitions.
[2024-11-13 14:36:22,877 INFO L78 Accepts]: Start accepts. Automaton has 15647 states and 16552 transitions. Word has length 659
[2024-11-13 14:36:22,879 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 14:36:22,879 INFO L471 AbstractCegarLoop]: Abstraction has 15647 states and 16552 transitions.
[2024-11-13 14:36:22,879 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 110.33333333333333) internal successors, (331), 3 states have internal predecessors, (331), 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 14:36:22,879 INFO L276 IsEmpty]: Start isEmpty. Operand 15647 states and 16552 transitions.
[2024-11-13 14:36:22,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 684
[2024-11-13 14:36:22,889 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 14:36:22,889 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 1, 1]
[2024-11-13 14:36:22,916 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc693bf9-4d81-42f8-a46d-0099d5e4c52c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-11-13 14:36:23,091 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc693bf9-4d81-42f8-a46d-0099d5e4c52c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-13 14:36:23,091 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 14:36:23,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 14:36:23,092 INFO L85 PathProgramCache]: Analyzing trace with hash 1516720077, now seen corresponding path program 1 times
[2024-11-13 14:36:23,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 14:36:23,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015595925]
[2024-11-13 14:36:23,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:36:23,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 14:36:23,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:36:23,931 INFO L134 CoverageAnalysis]: Checked inductivity of 627 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 460 trivial. 0 not checked.
[2024-11-13 14:36:23,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 14:36:23,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015595925]
[2024-11-13 14:36:23,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015595925] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 14:36:23,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 14:36:23,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-13 14:36:23,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532867372]
[2024-11-13 14:36:23,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 14:36:23,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 14:36:23,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 14:36:23,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 14:36:23,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-13 14:36:23,935 INFO L87 Difference]: Start difference. First operand 15647 states and 16552 transitions. Second operand has 3 states, 3 states have (on average 110.33333333333333) internal successors, (331), 3 states have internal predecessors, (331), 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 14:36:25,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 14:36:25,812 INFO L93 Difference]: Finished difference Result 35499 states and 37584 transitions.
[2024-11-13 14:36:25,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-13 14:36:25,813 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 110.33333333333333) internal successors, (331), 3 states have internal predecessors, (331), 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 683
[2024-11-13 14:36:25,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 14:36:25,829 INFO L225 Difference]: With dead ends: 35499
[2024-11-13 14:36:25,830 INFO L226 Difference]: Without dead ends: 19854
[2024-11-13 14:36:25,840 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 14:36:25,841 INFO L432 NwaCegarLoop]: 445 mSDtfsCounter, 294 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 851 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 294 SdHoareTripleChecker+Valid, 471 SdHoareTripleChecker+Invalid, 959 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 851 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time
[2024-11-13 14:36:25,842 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [294 Valid, 471 Invalid, 959 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 851 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time]
[2024-11-13 14:36:25,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19854 states.
[2024-11-13 14:36:26,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19854 to 17747.
[2024-11-13 14:36:26,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17747 states, 17746 states have (on average 1.0580412487321087) internal successors, (18776), 17746 states have internal predecessors, (18776), 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 14:36:26,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17747 states to 17747 states and 18776 transitions.
[2024-11-13 14:36:26,104 INFO L78 Accepts]: Start accepts. Automaton has 17747 states and 18776 transitions. Word has length 683
[2024-11-13 14:36:26,105 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 14:36:26,105 INFO L471 AbstractCegarLoop]: Abstraction has 17747 states and 18776 transitions.
[2024-11-13 14:36:26,105 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 110.33333333333333) internal successors, (331), 3 states have internal predecessors, (331), 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 14:36:26,105 INFO L276 IsEmpty]: Start isEmpty. Operand 17747 states and 18776 transitions.
[2024-11-13 14:36:26,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 684
[2024-11-13 14:36:26,115 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 14:36:26,116 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 1, 1, 1, 1, 1, 1]
[2024-11-13 14:36:26,117 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2024-11-13 14:36:26,117 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 14:36:26,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 14:36:26,118 INFO L85 PathProgramCache]: Analyzing trace with hash 211685239, now seen corresponding path program 1 times
[2024-11-13 14:36:26,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 14:36:26,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798915380]
[2024-11-13 14:36:26,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:36:26,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 14:36:26,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:36:27,930 INFO L134 CoverageAnalysis]: Checked inductivity of 625 backedges. 112 proven. 406 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked.
[2024-11-13 14:36:27,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 14:36:27,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798915380]
[2024-11-13 14:36:27,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [798915380] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-13 14:36:27,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1419071730]
[2024-11-13 14:36:27,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:36:27,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-13 14:36:27,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc693bf9-4d81-42f8-a46d-0099d5e4c52c/bin/uautomizer-verify-qhAvR1uOyd/z3
[2024-11-13 14:36:27,934 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc693bf9-4d81-42f8-a46d-0099d5e4c52c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-13 14:36:27,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc693bf9-4d81-42f8-a46d-0099d5e4c52c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-11-13 14:36:28,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:36:28,298 INFO L255 TraceCheckSpWp]: Trace formula consists of 801 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-13 14:36:28,307 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-13 14:36:28,453 INFO L134 CoverageAnalysis]: Checked inductivity of 625 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 458 trivial. 0 not checked.
[2024-11-13 14:36:28,454 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-13 14:36:28,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1419071730] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 14:36:28,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-13 14:36:28,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6
[2024-11-13 14:36:28,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903125786]
[2024-11-13 14:36:28,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 14:36:28,456 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 14:36:28,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 14:36:28,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 14:36:28,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-11-13 14:36:28,457 INFO L87 Difference]: Start difference. First operand 17747 states and 18776 transitions. Second operand has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 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 14:36:30,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 14:36:30,056 INFO L93 Difference]: Finished difference Result 35186 states and 37233 transitions.
[2024-11-13 14:36:30,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-13 14:36:30,056 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 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 683
[2024-11-13 14:36:30,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 14:36:30,073 INFO L225 Difference]: With dead ends: 35186
[2024-11-13 14:36:30,073 INFO L226 Difference]: Without dead ends: 17441
[2024-11-13 14:36:30,082 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 687 GetRequests, 683 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-11-13 14:36:30,083 INFO L432 NwaCegarLoop]: 466 mSDtfsCounter, 269 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 747 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 269 SdHoareTripleChecker+Valid, 500 SdHoareTripleChecker+Invalid, 846 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 747 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2024-11-13 14:36:30,083 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [269 Valid, 500 Invalid, 846 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 747 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2024-11-13 14:36:30,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17441 states.
[2024-11-13 14:36:30,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17441 to 16541.
[2024-11-13 14:36:30,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16541 states, 16540 states have (on average 1.0341596130592503) internal successors, (17105), 16540 states have internal predecessors, (17105), 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 14:36:30,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16541 states to 16541 states and 17105 transitions.
[2024-11-13 14:36:30,300 INFO L78 Accepts]: Start accepts. Automaton has 16541 states and 17105 transitions. Word has length 683
[2024-11-13 14:36:30,300 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 14:36:30,300 INFO L471 AbstractCegarLoop]: Abstraction has 16541 states and 17105 transitions.
[2024-11-13 14:36:30,301 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 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 14:36:30,301 INFO L276 IsEmpty]: Start isEmpty. Operand 16541 states and 17105 transitions.
[2024-11-13 14:36:30,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 725
[2024-11-13 14:36:30,309 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 14:36:30,310 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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, 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 14:36:30,331 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc693bf9-4d81-42f8-a46d-0099d5e4c52c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2024-11-13 14:36:30,511 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc693bf9-4d81-42f8-a46d-0099d5e4c52c/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16
[2024-11-13 14:36:30,512 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 14:36:30,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 14:36:30,512 INFO L85 PathProgramCache]: Analyzing trace with hash 1674486816, now seen corresponding path program 1 times
[2024-11-13 14:36:30,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 14:36:30,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670879408]
[2024-11-13 14:36:30,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:36:30,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 14:36:30,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:36:31,171 INFO L134 CoverageAnalysis]: Checked inductivity of 649 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked.
[2024-11-13 14:36:31,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 14:36:31,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670879408]
[2024-11-13 14:36:31,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670879408] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 14:36:31,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 14:36:31,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-13 14:36:31,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557173177]
[2024-11-13 14:36:31,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 14:36:31,173 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 14:36:31,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 14:36:31,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 14:36:31,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-13 14:36:31,174 INFO L87 Difference]: Start difference. First operand 16541 states and 17105 transitions. Second operand has 3 states, 3 states have (on average 116.66666666666667) internal successors, (350), 3 states have internal predecessors, (350), 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 14:36:32,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 14:36:32,692 INFO L93 Difference]: Finished difference Result 36361 states and 37694 transitions.
[2024-11-13 14:36:32,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-13 14:36:32,693 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 116.66666666666667) internal successors, (350), 3 states have internal predecessors, (350), 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 724
[2024-11-13 14:36:32,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 14:36:32,718 INFO L225 Difference]: With dead ends: 36361
[2024-11-13 14:36:32,718 INFO L226 Difference]: Without dead ends: 19822
[2024-11-13 14:36:32,727 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 14:36:32,727 INFO L432 NwaCegarLoop]: 436 mSDtfsCounter, 282 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 724 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 282 SdHoareTripleChecker+Valid, 463 SdHoareTripleChecker+Invalid, 844 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 724 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time
[2024-11-13 14:36:32,727 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [282 Valid, 463 Invalid, 844 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 724 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time]
[2024-11-13 14:36:32,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19822 states.
[2024-11-13 14:36:32,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19822 to 19821.
[2024-11-13 14:36:32,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19821 states, 19820 states have (on average 1.0330474268415741) internal successors, (20475), 19820 states have internal predecessors, (20475), 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 14:36:32,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19821 states to 19821 states and 20475 transitions.
[2024-11-13 14:36:32,933 INFO L78 Accepts]: Start accepts. Automaton has 19821 states and 20475 transitions. Word has length 724
[2024-11-13 14:36:32,933 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 14:36:32,933 INFO L471 AbstractCegarLoop]: Abstraction has 19821 states and 20475 transitions.
[2024-11-13 14:36:32,934 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 116.66666666666667) internal successors, (350), 3 states have internal predecessors, (350), 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 14:36:32,934 INFO L276 IsEmpty]: Start isEmpty. Operand 19821 states and 20475 transitions.
[2024-11-13 14:36:32,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 901
[2024-11-13 14:36:32,946 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 14:36:32,946 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 14:36:32,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2024-11-13 14:36:32,946 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 14:36:32,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 14:36:32,947 INFO L85 PathProgramCache]: Analyzing trace with hash 1127035043, now seen corresponding path program 1 times
[2024-11-13 14:36:32,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 14:36:32,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491296075]
[2024-11-13 14:36:32,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:36:32,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 14:36:33,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:36:33,610 INFO L134 CoverageAnalysis]: Checked inductivity of 1424 backedges. 848 proven. 0 refuted. 0 times theorem prover too weak. 576 trivial. 0 not checked.
[2024-11-13 14:36:33,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 14:36:33,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491296075]
[2024-11-13 14:36:33,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491296075] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 14:36:33,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 14:36:33,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-13 14:36:33,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66137549]
[2024-11-13 14:36:33,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 14:36:33,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 14:36:33,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 14:36:33,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 14:36:33,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-13 14:36:33,613 INFO L87 Difference]: Start difference. First operand 19821 states and 20475 transitions. Second operand has 3 states, 3 states have (on average 200.66666666666666) internal successors, (602), 3 states have internal predecessors, (602), 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 14:36:35,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 14:36:35,199 INFO L93 Difference]: Finished difference Result 42329 states and 43750 transitions.
[2024-11-13 14:36:35,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-13 14:36:35,200 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 200.66666666666666) internal successors, (602), 3 states have internal predecessors, (602), 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 900
[2024-11-13 14:36:35,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 14:36:35,220 INFO L225 Difference]: With dead ends: 42329
[2024-11-13 14:36:35,220 INFO L226 Difference]: Without dead ends: 22809
[2024-11-13 14:36:35,229 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 14:36:35,230 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 85 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 771 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 872 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 771 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time
[2024-11-13 14:36:35,230 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 130 Invalid, 872 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 771 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time]
[2024-11-13 14:36:35,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22809 states.
[2024-11-13 14:36:35,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22809 to 20118.
[2024-11-13 14:36:35,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20118 states, 20117 states have (on average 1.0299746483074017) internal successors, (20720), 20117 states have internal predecessors, (20720), 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 14:36:35,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20118 states to 20118 states and 20720 transitions.
[2024-11-13 14:36:35,548 INFO L78 Accepts]: Start accepts. Automaton has 20118 states and 20720 transitions. Word has length 900
[2024-11-13 14:36:35,549 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 14:36:35,549 INFO L471 AbstractCegarLoop]: Abstraction has 20118 states and 20720 transitions.
[2024-11-13 14:36:35,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 200.66666666666666) internal successors, (602), 3 states have internal predecessors, (602), 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 14:36:35,549 INFO L276 IsEmpty]: Start isEmpty. Operand 20118 states and 20720 transitions.
[2024-11-13 14:36:35,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 991
[2024-11-13 14:36:35,561 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 14:36:35,562 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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]
[2024-11-13 14:36:35,562 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18
[2024-11-13 14:36:35,562 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 14:36:35,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 14:36:35,562 INFO L85 PathProgramCache]: Analyzing trace with hash 118683326, now seen corresponding path program 1 times
[2024-11-13 14:36:35,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 14:36:35,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697310292]
[2024-11-13 14:36:35,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 14:36:35,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 14:36:35,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 14:36:36,712 INFO L134 CoverageAnalysis]: Checked inductivity of 1472 backedges. 223 proven. 0 refuted. 0 times theorem prover too weak. 1249 trivial. 0 not checked.
[2024-11-13 14:36:36,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 14:36:36,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1697310292]
[2024-11-13 14:36:36,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1697310292] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 14:36:36,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 14:36:36,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-13 14:36:36,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990750957]
[2024-11-13 14:36:36,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 14:36:36,715 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 14:36:36,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 14:36:36,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 14:36:36,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-13 14:36:36,717 INFO L87 Difference]: Start difference. First operand 20118 states and 20720 transitions. Second operand has 3 states, 3 states have (on average 110.66666666666667) internal successors, (332), 3 states have internal predecessors, (332), 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 14:36:38,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 14:36:38,415 INFO L93 Difference]: Finished difference Result 42940 states and 44206 transitions.
[2024-11-13 14:36:38,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-13 14:36:38,416 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 110.66666666666667) internal successors, (332), 3 states have internal predecessors, (332), 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 990
[2024-11-13 14:36:38,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 14:36:38,418 INFO L225 Difference]: With dead ends: 42940
[2024-11-13 14:36:38,418 INFO L226 Difference]: Without dead ends: 0
[2024-11-13 14:36:38,432 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 14:36:38,432 INFO L432 NwaCegarLoop]: 401 mSDtfsCounter, 291 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 816 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 291 SdHoareTripleChecker+Valid, 424 SdHoareTripleChecker+Invalid, 915 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 816 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time
[2024-11-13 14:36:38,433 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [291 Valid, 424 Invalid, 915 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 816 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time]
[2024-11-13 14:36:38,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-11-13 14:36:38,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-11-13 14:36:38,434 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 14:36:38,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-11-13 14:36:38,435 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 990
[2024-11-13 14:36:38,435 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 14:36:38,435 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-11-13 14:36:38,436 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 110.66666666666667) internal successors, (332), 3 states have internal predecessors, (332), 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 14:36:38,436 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-11-13 14:36:38,436 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-11-13 14:36:38,440 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-13 14:36:38,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19
[2024-11-13 14:36:38,446 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 14:36:38,449 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-11-13 14:36:43,085 INFO L173 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-13 14:36:43,127 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 02:36:43 BoogieIcfgContainer
[2024-11-13 14:36:43,127 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-13 14:36:43,128 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-13 14:36:43,128 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-13 14:36:43,129 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-13 14:36:43,129 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:35:21" (3/4) ...
[2024-11-13 14:36:43,132 INFO L142 WitnessPrinter]: Generating witness for correct program
[2024-11-13 14:36:43,178 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges
[2024-11-13 14:36:43,180 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2024-11-13 14:36:43,182 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-11-13 14:36:43,184 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-11-13 14:36:43,481 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc693bf9-4d81-42f8-a46d-0099d5e4c52c/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml
[2024-11-13 14:36:43,482 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc693bf9-4d81-42f8-a46d-0099d5e4c52c/bin/uautomizer-verify-qhAvR1uOyd/witness.yml
[2024-11-13 14:36:43,484 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-13 14:36:43,485 INFO L158 Benchmark]: Toolchain (without parser) took 88486.14ms. Allocated memory was 117.4MB in the beginning and 1.4GB in the end (delta: 1.3GB). Free memory was 87.5MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 275.5MB. Max. memory is 16.1GB.
[2024-11-13 14:36:43,485 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 83.9MB. Free memory is still 41.2MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-13 14:36:43,486 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1531.74ms. Allocated memory is still 117.4MB. Free memory was 87.5MB in the beginning and 62.3MB in the end (delta: 25.2MB). Peak memory consumption was 60.3MB. Max. memory is 16.1GB.
[2024-11-13 14:36:43,486 INFO L158 Benchmark]: Boogie Procedure Inliner took 337.59ms. Allocated memory is still 117.4MB. Free memory was 62.3MB in the beginning and 55.7MB in the end (delta: 6.6MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB.
[2024-11-13 14:36:43,486 INFO L158 Benchmark]: Boogie Preprocessor took 435.04ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 55.7MB in the beginning and 152.1MB in the end (delta: -96.4MB). Peak memory consumption was 38.2MB. Max. memory is 16.1GB.
[2024-11-13 14:36:43,486 INFO L158 Benchmark]: RCFGBuilder took 4528.95ms. Allocated memory is still 234.9MB. Free memory was 152.1MB in the beginning and 64.7MB in the end (delta: 87.5MB). Peak memory consumption was 112.3MB. Max. memory is 16.1GB.
[2024-11-13 14:36:43,487 INFO L158 Benchmark]: TraceAbstraction took 81283.34ms. Allocated memory was 234.9MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 64.7MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 798.6MB. Max. memory is 16.1GB.
[2024-11-13 14:36:43,487 INFO L158 Benchmark]: Witness Printer took 355.73ms. Allocated memory is still 1.4GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 21.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2024-11-13 14:36:43,492 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.38ms. Allocated memory is still 83.9MB. Free memory is still 41.2MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 1531.74ms. Allocated memory is still 117.4MB. Free memory was 87.5MB in the beginning and 62.3MB in the end (delta: 25.2MB). Peak memory consumption was 60.3MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 337.59ms. Allocated memory is still 117.4MB. Free memory was 62.3MB in the beginning and 55.7MB in the end (delta: 6.6MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 435.04ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 55.7MB in the beginning and 152.1MB in the end (delta: -96.4MB). Peak memory consumption was 38.2MB. Max. memory is 16.1GB.
* RCFGBuilder took 4528.95ms. Allocated memory is still 234.9MB. Free memory was 152.1MB in the beginning and 64.7MB in the end (delta: 87.5MB). Peak memory consumption was 112.3MB. Max. memory is 16.1GB.
* TraceAbstraction took 81283.34ms. Allocated memory was 234.9MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 64.7MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 798.6MB. Max. memory is 16.1GB.
* Witness Printer took 355.73ms. Allocated memory is still 1.4GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 21.0MB). Peak memory consumption was 25.2MB. 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: 191]: 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, 424 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 76.5s, OverallIterations: 20, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 52.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8493 SdHoareTripleChecker+Valid, 48.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8493 mSDsluCounter, 8192 SdHoareTripleChecker+Invalid, 41.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 830 mSDsCounter, 3771 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 22600 IncrementalHoareTripleChecker+Invalid, 26371 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3771 mSolverCounterUnsat, 7362 mSDtfsCounter, 22600 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2631 GetRequests, 2591 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20118occurred in iteration=19, InterpolantAutomatonStates: 72, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.5s AutomataMinimizationTime, 20 MinimizatonAttempts, 16223 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 15.9s InterpolantComputationTime, 11589 NumberOfCodeBlocks, 11589 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 12178 ConstructedInterpolants, 0 QuantifiedInterpolants, 34048 SizeOfPredicates, 5 NumberOfNonLiveVariables, 2325 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 24 InterpolantComputations, 19 PerfectInterpolantSequences, 12017/12924 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: 1776]: Loop Invariant
Derived loop invariant: (((((((((((((((((((((2 == a2) && (((long long) 89 + a4) <= 0)) && (0 <= ((long long) a0 + 60))) || (((((long long) 89 + a4) <= 0) && (a2 == 1)) && (a29 <= 401234))) || ((((long long) 42 + a4) <= 0) && (a2 == 4))) || ((((((long long) 42 + a4) <= 0) && (2 == a2)) && (0 <= ((long long) a0 + 60))) && (((long long) a29 + 127) <= 0))) || (((((long long) 42 + a4) <= 0) && (3 == a2)) && (((long long) a0 + 61) <= 0))) || ((((((long long) 42 + a4) <= 0) && (2 == a2)) && (0 <= ((long long) a4 + 85))) && (((long long) a0 + 61) <= 0))) || ((((((long long) 42 + a4) <= 0) && (0 <= ((long long) a4 + 85))) && (a2 == 1)) && (a29 <= 401234))) || (((2 == a2) && (44 <= a29)) && (((long long) a0 + 61) <= 0))) || ((((((long long) 42 + a4) <= 0) && (0 <= ((long long) a29 + 16))) && (a2 == 1)) && (a29 <= 401234))) || (((((long long) 42 + a4) <= 0) && (0 <= ((long long) a29 + 16))) && (3 == a2))) || (((((long long) 42 + a4) <= 0) && (0 <= ((long long) a29 + 16))) && (5 <= a2))) || (((((long long) 42 + a4) <= 0) && (a2 == 1)) && (((long long) a0 + 61) <= 0))) || (((a2 == 1) && (((long long) a4 + 86) <= 0)) && (((long long) a29 + 144) <= 0))) || (((((long long) 42 + a4) <= 0) && (2 == a2)) && (44 <= a29))) || (((0 <= ((long long) 57 + a29)) && (2 == a2)) && (((long long) 89 + a4) <= 0))) || (((((long long) 89 + a4) <= 0) && (0 <= ((long long) a29 + 16))) && (((long long) a0 + 61) <= 0))) || (((((long long) 89 + a4) <= 0) && (3 == a2)) && (((long long) a29 + 127) <= 0))) || (((((long long) 42 + a4) <= 0) && (5 <= a2)) && (((long long) a0 + 61) <= 0))) || ((((long long) 89 + a4) <= 0) && (((long long) 98 + a0) <= 0)))
RESULT: Ultimate proved your program to be correct!
[2024-11-13 14:36:43,536 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc693bf9-4d81-42f8-a46d-0099d5e4c52c/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE