./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label32.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_c0bf494e-a177-4252-b48d-7f53e7e69500/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0bf494e-a177-4252-b48d-7f53e7e69500/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_c0bf494e-a177-4252-b48d-7f53e7e69500/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0bf494e-a177-4252-b48d-7f53e7e69500/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label32.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0bf494e-a177-4252-b48d-7f53e7e69500/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_c0bf494e-a177-4252-b48d-7f53e7e69500/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 7b831aa366302fa2c77135b486d8b7f29aa8c9f7f58e6c2271aafe7f88b79748
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-826ab2b
[2024-11-13 15:54:32,443 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-13 15:54:32,530 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0bf494e-a177-4252-b48d-7f53e7e69500/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-13 15:54:32,539 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-13 15:54:32,539 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-13 15:54:32,591 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-13 15:54:32,593 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-13 15:54:32,593 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-13 15:54:32,594 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-13 15:54:32,594 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-13 15:54:32,594 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-13 15:54:32,595 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-13 15:54:32,595 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-13 15:54:32,596 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-13 15:54:32,596 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-13 15:54:32,598 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-13 15:54:32,599 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-13 15:54:32,599 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-13 15:54:32,599 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-13 15:54:32,599 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-13 15:54:32,599 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-13 15:54:32,599 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-13 15:54:32,600 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-13 15:54:32,600 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-13 15:54:32,600 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-13 15:54:32,600 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-13 15:54:32,600 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-13 15:54:32,600 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-13 15:54:32,601 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-13 15:54:32,601 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-13 15:54:32,601 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-13 15:54:32,601 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-13 15:54:32,601 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-13 15:54:32,601 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-13 15:54:32,601 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-13 15:54:32,601 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-13 15:54:32,602 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-13 15:54:32,602 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-13 15:54:32,602 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-13 15:54:32,602 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-13 15:54:32,602 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-13 15:54:32,602 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-13 15:54:32,602 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_c0bf494e-a177-4252-b48d-7f53e7e69500/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 -> 7b831aa366302fa2c77135b486d8b7f29aa8c9f7f58e6c2271aafe7f88b79748
[2024-11-13 15:54:32,967 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-13 15:54:32,978 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-13 15:54:32,981 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-13 15:54:32,983 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-13 15:54:32,983 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-13 15:54:32,985 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0bf494e-a177-4252-b48d-7f53e7e69500/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/eca-rers2012/Problem16_label32.c
Unable to find full path for "g++"
[2024-11-13 15:54:35,335 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-13 15:54:35,993 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-13 15:54:35,998 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0bf494e-a177-4252-b48d-7f53e7e69500/sv-benchmarks/c/eca-rers2012/Problem16_label32.c
[2024-11-13 15:54:36,027 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0bf494e-a177-4252-b48d-7f53e7e69500/bin/uautomizer-verify-qhAvR1uOyd/data/f2dd41c7a/526a3c8bf870445cbcf410d16af1c91d/FLAG184bb4d60
[2024-11-13 15:54:36,056 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0bf494e-a177-4252-b48d-7f53e7e69500/bin/uautomizer-verify-qhAvR1uOyd/data/f2dd41c7a/526a3c8bf870445cbcf410d16af1c91d
[2024-11-13 15:54:36,059 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-13 15:54:36,061 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-13 15:54:36,064 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-13 15:54:36,065 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-13 15:54:36,075 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-13 15:54:36,076 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:54:36" (1/1) ...
[2024-11-13 15:54:36,077 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9391112 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:54:36, skipping insertion in model container
[2024-11-13 15:54:36,077 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:54:36" (1/1) ...
[2024-11-13 15:54:36,174 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-13 15:54:36,486 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_c0bf494e-a177-4252-b48d-7f53e7e69500/sv-benchmarks/c/eca-rers2012/Problem16_label32.c[5121,5134]
[2024-11-13 15:54:37,117 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-13 15:54:37,130 INFO L200 MainTranslator]: Completed pre-run
[2024-11-13 15:54:37,157 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_c0bf494e-a177-4252-b48d-7f53e7e69500/sv-benchmarks/c/eca-rers2012/Problem16_label32.c[5121,5134]
[2024-11-13 15:54:37,403 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-13 15:54:37,432 INFO L204 MainTranslator]: Completed translation
[2024-11-13 15:54:37,433 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:54:37 WrapperNode
[2024-11-13 15:54:37,435 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-13 15:54:37,437 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-13 15:54:37,437 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-13 15:54:37,438 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-13 15:54:37,446 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:54:37" (1/1) ...
[2024-11-13 15:54:37,500 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:54:37" (1/1) ...
[2024-11-13 15:54:37,677 INFO L138 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1769
[2024-11-13 15:54:37,678 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-13 15:54:37,680 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-13 15:54:37,680 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-13 15:54:37,680 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-13 15:54:37,693 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:54:37" (1/1) ...
[2024-11-13 15:54:37,693 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:54:37" (1/1) ...
[2024-11-13 15:54:37,787 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:54:37" (1/1) ...
[2024-11-13 15:54:37,885 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 15:54:37,885 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:54:37" (1/1) ...
[2024-11-13 15:54:37,885 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:54:37" (1/1) ...
[2024-11-13 15:54:37,968 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:54:37" (1/1) ...
[2024-11-13 15:54:37,994 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:54:37" (1/1) ...
[2024-11-13 15:54:38,018 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:54:37" (1/1) ...
[2024-11-13 15:54:38,030 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:54:37" (1/1) ...
[2024-11-13 15:54:38,050 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-13 15:54:38,051 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-13 15:54:38,051 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-13 15:54:38,052 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-13 15:54:38,053 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:54:37" (1/1) ...
[2024-11-13 15:54:38,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-13 15:54:38,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0bf494e-a177-4252-b48d-7f53e7e69500/bin/uautomizer-verify-qhAvR1uOyd/z3
[2024-11-13 15:54:38,099 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0bf494e-a177-4252-b48d-7f53e7e69500/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-13 15:54:38,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0bf494e-a177-4252-b48d-7f53e7e69500/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-13 15:54:38,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-13 15:54:38,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-13 15:54:38,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-13 15:54:38,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-13 15:54:38,245 INFO L238 CfgBuilder]: Building ICFG
[2024-11-13 15:54:38,249 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-13 15:54:42,157 INFO L? ?]: Removed 276 outVars from TransFormulas that were not future-live.
[2024-11-13 15:54:42,157 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-13 15:54:42,193 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-13 15:54:42,193 INFO L316 CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-13 15:54:42,194 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:54:42 BoogieIcfgContainer
[2024-11-13 15:54:42,194 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-13 15:54:42,198 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-13 15:54:42,198 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-13 15:54:42,205 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-13 15:54:42,206 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:54:36" (1/3) ...
[2024-11-13 15:54:42,206 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1868c728 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:54:42, skipping insertion in model container
[2024-11-13 15:54:42,207 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:54:37" (2/3) ...
[2024-11-13 15:54:42,207 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1868c728 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:54:42, skipping insertion in model container
[2024-11-13 15:54:42,207 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:54:42" (3/3) ...
[2024-11-13 15:54:42,209 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label32.c
[2024-11-13 15:54:42,231 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-13 15:54:42,234 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG Problem16_label32.c that has 1 procedures, 396 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-11-13 15:54:42,331 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-13 15:54:42,348 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;@2c61c8b3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-13 15:54:42,348 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-13 15:54:42,358 INFO L276 IsEmpty]: Start isEmpty. Operand has 396 states, 394 states have (on average 1.8350253807106598) internal successors, (723), 395 states have internal predecessors, (723), 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 15:54:42,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49
[2024-11-13 15:54:42,368 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 15:54:42,369 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]
[2024-11-13 15:54:42,370 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 15:54:42,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 15:54:42,379 INFO L85 PathProgramCache]: Analyzing trace with hash 2073043186, now seen corresponding path program 1 times
[2024-11-13 15:54:42,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 15:54:42,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637711759]
[2024-11-13 15:54:42,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 15:54:42,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 15:54:42,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 15:54:43,026 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 15:54:43,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 15:54:43,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637711759]
[2024-11-13 15:54:43,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637711759] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 15:54:43,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 15:54:43,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-13 15:54:43,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162750991]
[2024-11-13 15:54:43,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 15:54:43,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 15:54:43,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 15:54:43,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 15:54:43,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-13 15:54:43,077 INFO L87 Difference]: Start difference. First operand has 396 states, 394 states have (on average 1.8350253807106598) internal successors, (723), 395 states have internal predecessors, (723), 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 16.0) internal successors, (48), 2 states have internal predecessors, (48), 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 15:54:46,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 15:54:46,237 INFO L93 Difference]: Finished difference Result 1122 states and 2103 transitions.
[2024-11-13 15:54:46,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-13 15:54:46,239 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 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 48
[2024-11-13 15:54:46,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 15:54:46,253 INFO L225 Difference]: With dead ends: 1122
[2024-11-13 15:54:46,253 INFO L226 Difference]: Without dead ends: 662
[2024-11-13 15:54:46,258 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 15:54:46,261 INFO L432 NwaCegarLoop]: 246 mSDtfsCounter, 339 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 864 mSolverCounterSat, 450 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 339 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 1314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 450 IncrementalHoareTripleChecker+Valid, 864 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time
[2024-11-13 15:54:46,262 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [339 Valid, 254 Invalid, 1314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [450 Valid, 864 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time]
[2024-11-13 15:54:46,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states.
[2024-11-13 15:54:46,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 662.
[2024-11-13 15:54:46,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 662 states, 661 states have (on average 1.518910741301059) internal successors, (1004), 661 states have internal predecessors, (1004), 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 15:54:46,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 1004 transitions.
[2024-11-13 15:54:46,367 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 1004 transitions. Word has length 48
[2024-11-13 15:54:46,367 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 15:54:46,367 INFO L471 AbstractCegarLoop]: Abstraction has 662 states and 1004 transitions.
[2024-11-13 15:54:46,368 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 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 15:54:46,368 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 1004 transitions.
[2024-11-13 15:54:46,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117
[2024-11-13 15:54:46,375 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 15:54:46,376 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, 1, 1, 1, 1, 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 15:54:46,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-13 15:54:46,379 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 15:54:46,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 15:54:46,380 INFO L85 PathProgramCache]: Analyzing trace with hash -1878246452, now seen corresponding path program 1 times
[2024-11-13 15:54:46,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 15:54:46,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728678390]
[2024-11-13 15:54:46,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 15:54:46,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 15:54:46,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 15:54:46,947 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-13 15:54:46,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 15:54:46,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728678390]
[2024-11-13 15:54:46,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728678390] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 15:54:46,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 15:54:46,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-13 15:54:46,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837421766]
[2024-11-13 15:54:46,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 15:54:46,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 15:54:46,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 15:54:46,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 15:54:46,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-13 15:54:46,951 INFO L87 Difference]: Start difference. First operand 662 states and 1004 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 states have internal predecessors, (116), 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 15:54:49,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 15:54:49,262 INFO L93 Difference]: Finished difference Result 1982 states and 3008 transitions.
[2024-11-13 15:54:49,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-13 15:54:49,263 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 states have internal predecessors, (116), 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 116
[2024-11-13 15:54:49,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 15:54:49,270 INFO L225 Difference]: With dead ends: 1982
[2024-11-13 15:54:49,270 INFO L226 Difference]: Without dead ends: 1322
[2024-11-13 15:54:49,273 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 15:54:49,274 INFO L432 NwaCegarLoop]: 213 mSDtfsCounter, 270 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 962 mSolverCounterSat, 298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 1260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 298 IncrementalHoareTripleChecker+Valid, 962 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time
[2024-11-13 15:54:49,274 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [270 Valid, 218 Invalid, 1260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [298 Valid, 962 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time]
[2024-11-13 15:54:49,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1322 states.
[2024-11-13 15:54:49,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1322 to 1320.
[2024-11-13 15:54:49,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1320 states, 1319 states have (on average 1.4564063684609552) internal successors, (1921), 1319 states have internal predecessors, (1921), 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 15:54:49,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 1320 states and 1921 transitions.
[2024-11-13 15:54:49,342 INFO L78 Accepts]: Start accepts. Automaton has 1320 states and 1921 transitions. Word has length 116
[2024-11-13 15:54:49,342 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 15:54:49,343 INFO L471 AbstractCegarLoop]: Abstraction has 1320 states and 1921 transitions.
[2024-11-13 15:54:49,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 2 states have internal predecessors, (116), 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 15:54:49,343 INFO L276 IsEmpty]: Start isEmpty. Operand 1320 states and 1921 transitions.
[2024-11-13 15:54:49,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128
[2024-11-13 15:54:49,349 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 15:54:49,349 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:54:49,349 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-13 15:54:49,349 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 15:54:49,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 15:54:49,350 INFO L85 PathProgramCache]: Analyzing trace with hash 1539389844, now seen corresponding path program 1 times
[2024-11-13 15:54:49,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 15:54:49,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782252579]
[2024-11-13 15:54:49,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 15:54:49,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 15:54:49,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 15:54:49,636 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-13 15:54:49,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 15:54:49,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782252579]
[2024-11-13 15:54:49,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782252579] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 15:54:49,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 15:54:49,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-13 15:54:49,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430019674]
[2024-11-13 15:54:49,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 15:54:49,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 15:54:49,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 15:54:49,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 15:54:49,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-13 15:54:49,642 INFO L87 Difference]: Start difference. First operand 1320 states and 1921 transitions. Second operand has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 2 states have internal predecessors, (127), 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 15:54:51,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 15:54:51,898 INFO L93 Difference]: Finished difference Result 3954 states and 5758 transitions.
[2024-11-13 15:54:51,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-13 15:54:51,899 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 2 states have internal predecessors, (127), 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 127
[2024-11-13 15:54:51,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 15:54:51,912 INFO L225 Difference]: With dead ends: 3954
[2024-11-13 15:54:51,912 INFO L226 Difference]: Without dead ends: 2636
[2024-11-13 15:54:51,915 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 15:54:51,916 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 369 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 811 mSolverCounterSat, 368 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 369 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 1179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 368 IncrementalHoareTripleChecker+Valid, 811 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time
[2024-11-13 15:54:51,916 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [369 Valid, 155 Invalid, 1179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [368 Valid, 811 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time]
[2024-11-13 15:54:51,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2636 states.
[2024-11-13 15:54:51,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2636 to 2636.
[2024-11-13 15:54:51,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2636 states, 2635 states have (on average 1.3248576850094878) internal successors, (3491), 2635 states have internal predecessors, (3491), 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 15:54:51,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2636 states to 2636 states and 3491 transitions.
[2024-11-13 15:54:51,999 INFO L78 Accepts]: Start accepts. Automaton has 2636 states and 3491 transitions. Word has length 127
[2024-11-13 15:54:51,999 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 15:54:52,000 INFO L471 AbstractCegarLoop]: Abstraction has 2636 states and 3491 transitions.
[2024-11-13 15:54:52,000 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 2 states have internal predecessors, (127), 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 15:54:52,000 INFO L276 IsEmpty]: Start isEmpty. Operand 2636 states and 3491 transitions.
[2024-11-13 15:54:52,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180
[2024-11-13 15:54:52,003 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 15:54:52,004 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:54:52,004 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-13 15:54:52,004 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 15:54:52,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 15:54:52,005 INFO L85 PathProgramCache]: Analyzing trace with hash 843156818, now seen corresponding path program 1 times
[2024-11-13 15:54:52,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 15:54:52,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972617079]
[2024-11-13 15:54:52,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 15:54:52,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 15:54:52,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 15:54:52,334 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-13 15:54:52,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 15:54:52,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972617079]
[2024-11-13 15:54:52,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972617079] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 15:54:52,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 15:54:52,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-13 15:54:52,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018734048]
[2024-11-13 15:54:52,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 15:54:52,339 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 15:54:52,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 15:54:52,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 15:54:52,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-13 15:54:52,341 INFO L87 Difference]: Start difference. First operand 2636 states and 3491 transitions. Second operand has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 2 states have internal predecessors, (179), 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 15:54:54,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 15:54:54,158 INFO L93 Difference]: Finished difference Result 6586 states and 8550 transitions.
[2024-11-13 15:54:54,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-13 15:54:54,159 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 2 states have internal predecessors, (179), 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 179
[2024-11-13 15:54:54,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 15:54:54,176 INFO L225 Difference]: With dead ends: 6586
[2024-11-13 15:54:54,176 INFO L226 Difference]: Without dead ends: 3952
[2024-11-13 15:54:54,179 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 15:54:54,181 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 278 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 883 mSolverCounterSat, 264 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 278 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 1147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 264 IncrementalHoareTripleChecker+Valid, 883 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time
[2024-11-13 15:54:54,182 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [278 Valid, 83 Invalid, 1147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [264 Valid, 883 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time]
[2024-11-13 15:54:54,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3952 states.
[2024-11-13 15:54:54,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3952 to 3952.
[2024-11-13 15:54:54,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3952 states, 3951 states have (on average 1.2171602126044039) internal successors, (4809), 3951 states have internal predecessors, (4809), 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 15:54:54,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3952 states to 3952 states and 4809 transitions.
[2024-11-13 15:54:54,296 INFO L78 Accepts]: Start accepts. Automaton has 3952 states and 4809 transitions. Word has length 179
[2024-11-13 15:54:54,296 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 15:54:54,297 INFO L471 AbstractCegarLoop]: Abstraction has 3952 states and 4809 transitions.
[2024-11-13 15:54:54,297 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 2 states have internal predecessors, (179), 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 15:54:54,297 INFO L276 IsEmpty]: Start isEmpty. Operand 3952 states and 4809 transitions.
[2024-11-13 15:54:54,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284
[2024-11-13 15:54:54,306 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 15:54:54,307 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:54:54,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-13 15:54:54,307 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 15:54:54,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 15:54:54,307 INFO L85 PathProgramCache]: Analyzing trace with hash 624297166, now seen corresponding path program 1 times
[2024-11-13 15:54:54,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 15:54:54,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801978652]
[2024-11-13 15:54:54,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 15:54:54,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 15:54:54,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 15:54:54,780 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-13 15:54:54,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 15:54:54,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801978652]
[2024-11-13 15:54:54,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801978652] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 15:54:54,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 15:54:54,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-13 15:54:54,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810290611]
[2024-11-13 15:54:54,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 15:54:54,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 15:54:54,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 15:54:54,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 15:54:54,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-13 15:54:54,785 INFO L87 Difference]: Start difference. First operand 3952 states and 4809 transitions. Second operand has 3 states, 3 states have (on average 94.33333333333333) internal successors, (283), 3 states have internal predecessors, (283), 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 15:54:56,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 15:54:56,934 INFO L93 Difference]: Finished difference Result 9547 states and 11836 transitions.
[2024-11-13 15:54:56,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-13 15:54:56,939 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 94.33333333333333) internal successors, (283), 3 states have internal predecessors, (283), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 283
[2024-11-13 15:54:56,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 15:54:56,966 INFO L225 Difference]: With dead ends: 9547
[2024-11-13 15:54:56,966 INFO L226 Difference]: Without dead ends: 5597
[2024-11-13 15:54:56,971 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 15:54:56,973 INFO L432 NwaCegarLoop]: 242 mSDtfsCounter, 294 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 872 mSolverCounterSat, 348 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 294 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 1220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 348 IncrementalHoareTripleChecker+Valid, 872 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time
[2024-11-13 15:54:56,973 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [294 Valid, 247 Invalid, 1220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [348 Valid, 872 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time]
[2024-11-13 15:54:56,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5597 states.
[2024-11-13 15:54:57,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5597 to 5597.
[2024-11-13 15:54:57,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5597 states, 5596 states have (on average 1.2101501072194425) internal successors, (6772), 5596 states have internal predecessors, (6772), 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 15:54:57,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5597 states to 5597 states and 6772 transitions.
[2024-11-13 15:54:57,115 INFO L78 Accepts]: Start accepts. Automaton has 5597 states and 6772 transitions. Word has length 283
[2024-11-13 15:54:57,116 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 15:54:57,116 INFO L471 AbstractCegarLoop]: Abstraction has 5597 states and 6772 transitions.
[2024-11-13 15:54:57,116 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 94.33333333333333) internal successors, (283), 3 states have internal predecessors, (283), 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 15:54:57,117 INFO L276 IsEmpty]: Start isEmpty. Operand 5597 states and 6772 transitions.
[2024-11-13 15:54:57,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294
[2024-11-13 15:54:57,122 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 15:54:57,123 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:54:57,123 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-13 15:54:57,123 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 15:54:57,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 15:54:57,124 INFO L85 PathProgramCache]: Analyzing trace with hash -471268395, now seen corresponding path program 1 times
[2024-11-13 15:54:57,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 15:54:57,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513092945]
[2024-11-13 15:54:57,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 15:54:57,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 15:54:57,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 15:54:58,202 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-13 15:54:58,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 15:54:58,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513092945]
[2024-11-13 15:54:58,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513092945] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 15:54:58,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 15:54:58,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-13 15:54:58,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585931492]
[2024-11-13 15:54:58,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 15:54:58,204 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-13 15:54:58,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 15:54:58,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-13 15:54:58,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-13 15:54:58,205 INFO L87 Difference]: Start difference. First operand 5597 states and 6772 transitions. Second operand has 4 states, 4 states have (on average 73.25) internal successors, (293), 3 states have internal predecessors, (293), 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 15:55:00,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 15:55:00,779 INFO L93 Difference]: Finished difference Result 11521 states and 13883 transitions.
[2024-11-13 15:55:00,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-13 15:55:00,780 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 73.25) internal successors, (293), 3 states have internal predecessors, (293), 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 293
[2024-11-13 15:55:00,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 15:55:00,801 INFO L225 Difference]: With dead ends: 11521
[2024-11-13 15:55:00,802 INFO L226 Difference]: Without dead ends: 5926
[2024-11-13 15:55:00,810 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-13 15:55:00,812 INFO L432 NwaCegarLoop]: 267 mSDtfsCounter, 127 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 1469 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 1474 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time
[2024-11-13 15:55:00,813 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 322 Invalid, 1474 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1469 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time]
[2024-11-13 15:55:00,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5926 states.
[2024-11-13 15:55:00,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5926 to 5926.
[2024-11-13 15:55:00,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5926 states, 5925 states have (on average 1.199493670886076) internal successors, (7107), 5925 states have internal predecessors, (7107), 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 15:55:00,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5926 states to 5926 states and 7107 transitions.
[2024-11-13 15:55:01,002 INFO L78 Accepts]: Start accepts. Automaton has 5926 states and 7107 transitions. Word has length 293
[2024-11-13 15:55:01,003 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 15:55:01,003 INFO L471 AbstractCegarLoop]: Abstraction has 5926 states and 7107 transitions.
[2024-11-13 15:55:01,004 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 73.25) internal successors, (293), 3 states have internal predecessors, (293), 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 15:55:01,004 INFO L276 IsEmpty]: Start isEmpty. Operand 5926 states and 7107 transitions.
[2024-11-13 15:55:01,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381
[2024-11-13 15:55:01,020 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 15:55:01,020 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2024-11-13 15:55:01,020 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-13 15:55:01,021 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 15:55:01,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 15:55:01,021 INFO L85 PathProgramCache]: Analyzing trace with hash 1852910983, now seen corresponding path program 1 times
[2024-11-13 15:55:01,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 15:55:01,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633623245]
[2024-11-13 15:55:01,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 15:55:01,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 15:55:01,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 15:55:02,188 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 177 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-13 15:55:02,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 15:55:02,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633623245]
[2024-11-13 15:55:02,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633623245] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 15:55:02,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 15:55:02,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-13 15:55:02,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464874463]
[2024-11-13 15:55:02,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 15:55:02,192 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-13 15:55:02,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 15:55:02,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-13 15:55:02,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42
[2024-11-13 15:55:02,196 INFO L87 Difference]: Start difference. First operand 5926 states and 7107 transitions. Second operand has 7 states, 7 states have (on average 54.285714285714285) internal successors, (380), 6 states have internal predecessors, (380), 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 15:55:06,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 15:55:06,014 INFO L93 Difference]: Finished difference Result 11380 states and 13724 transitions.
[2024-11-13 15:55:06,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-11-13 15:55:06,015 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 54.285714285714285) internal successors, (380), 6 states have internal predecessors, (380), 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 380
[2024-11-13 15:55:06,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 15:55:06,027 INFO L225 Difference]: With dead ends: 11380
[2024-11-13 15:55:06,028 INFO L226 Difference]: Without dead ends: 5597
[2024-11-13 15:55:06,034 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42
[2024-11-13 15:55:06,035 INFO L432 NwaCegarLoop]: 263 mSDtfsCounter, 314 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 1777 mSolverCounterSat, 495 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 314 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 2272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 495 IncrementalHoareTripleChecker+Valid, 1777 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time
[2024-11-13 15:55:06,035 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [314 Valid, 289 Invalid, 2272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [495 Valid, 1777 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time]
[2024-11-13 15:55:06,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5597 states.
[2024-11-13 15:55:06,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5597 to 5597.
[2024-11-13 15:55:06,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5597 states, 5596 states have (on average 1.0816654753395283) internal successors, (6053), 5596 states have internal predecessors, (6053), 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 15:55:06,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5597 states to 5597 states and 6053 transitions.
[2024-11-13 15:55:06,162 INFO L78 Accepts]: Start accepts. Automaton has 5597 states and 6053 transitions. Word has length 380
[2024-11-13 15:55:06,162 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 15:55:06,163 INFO L471 AbstractCegarLoop]: Abstraction has 5597 states and 6053 transitions.
[2024-11-13 15:55:06,163 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 54.285714285714285) internal successors, (380), 6 states have internal predecessors, (380), 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 15:55:06,163 INFO L276 IsEmpty]: Start isEmpty. Operand 5597 states and 6053 transitions.
[2024-11-13 15:55:06,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388
[2024-11-13 15:55:06,176 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 15:55:06,176 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2024-11-13 15:55:06,176 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-11-13 15:55:06,177 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 15:55:06,177 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 15:55:06,177 INFO L85 PathProgramCache]: Analyzing trace with hash -1225008434, now seen corresponding path program 1 times
[2024-11-13 15:55:06,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 15:55:06,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26152226]
[2024-11-13 15:55:06,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 15:55:06,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 15:55:06,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 15:55:06,775 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked.
[2024-11-13 15:55:06,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 15:55:06,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26152226]
[2024-11-13 15:55:06,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [26152226] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 15:55:06,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 15:55:06,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-13 15:55:06,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15058896]
[2024-11-13 15:55:06,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 15:55:06,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 15:55:06,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 15:55:06,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 15:55:06,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-13 15:55:06,779 INFO L87 Difference]: Start difference. First operand 5597 states and 6053 transitions. Second operand has 3 states, 3 states have (on average 97.66666666666667) internal successors, (293), 3 states have internal predecessors, (293), 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 15:55:08,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 15:55:08,503 INFO L93 Difference]: Finished difference Result 12837 states and 13987 transitions.
[2024-11-13 15:55:08,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-13 15:55:08,504 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 97.66666666666667) internal successors, (293), 3 states have internal predecessors, (293), 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 387
[2024-11-13 15:55:08,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 15:55:08,529 INFO L225 Difference]: With dead ends: 12837
[2024-11-13 15:55:08,529 INFO L226 Difference]: Without dead ends: 7571
[2024-11-13 15:55:08,534 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 15:55:08,535 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 301 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 769 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 301 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 889 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 769 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time
[2024-11-13 15:55:08,535 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [301 Valid, 40 Invalid, 889 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 769 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time]
[2024-11-13 15:55:08,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7571 states.
[2024-11-13 15:55:08,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7571 to 7242.
[2024-11-13 15:55:08,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7242 states, 7241 states have (on average 1.0860378400773374) internal successors, (7864), 7241 states have internal predecessors, (7864), 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 15:55:08,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7242 states to 7242 states and 7864 transitions.
[2024-11-13 15:55:08,681 INFO L78 Accepts]: Start accepts. Automaton has 7242 states and 7864 transitions. Word has length 387
[2024-11-13 15:55:08,682 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 15:55:08,682 INFO L471 AbstractCegarLoop]: Abstraction has 7242 states and 7864 transitions.
[2024-11-13 15:55:08,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 97.66666666666667) internal successors, (293), 3 states have internal predecessors, (293), 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 15:55:08,682 INFO L276 IsEmpty]: Start isEmpty. Operand 7242 states and 7864 transitions.
[2024-11-13 15:55:08,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 442
[2024-11-13 15:55:08,695 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 15:55:08,695 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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]
[2024-11-13 15:55:08,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-11-13 15:55:08,696 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 15:55:08,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 15:55:08,697 INFO L85 PathProgramCache]: Analyzing trace with hash -36785849, now seen corresponding path program 1 times
[2024-11-13 15:55:08,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 15:55:08,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100250370]
[2024-11-13 15:55:08,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 15:55:08,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 15:55:08,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 15:55:09,446 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked.
[2024-11-13 15:55:09,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 15:55:09,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100250370]
[2024-11-13 15:55:09,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100250370] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 15:55:09,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 15:55:09,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-13 15:55:09,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549218481]
[2024-11-13 15:55:09,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 15:55:09,450 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 15:55:09,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 15:55:09,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 15:55:09,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-13 15:55:09,451 INFO L87 Difference]: Start difference. First operand 7242 states and 7864 transitions. Second operand has 3 states, 3 states have (on average 95.0) internal successors, (285), 3 states have internal predecessors, (285), 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 15:55:11,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 15:55:11,399 INFO L93 Difference]: Finished difference Result 16127 states and 17609 transitions.
[2024-11-13 15:55:11,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-13 15:55:11,400 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 95.0) internal successors, (285), 3 states have internal predecessors, (285), 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 441
[2024-11-13 15:55:11,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 15:55:11,429 INFO L225 Difference]: With dead ends: 16127
[2024-11-13 15:55:11,430 INFO L226 Difference]: Without dead ends: 9216
[2024-11-13 15:55:11,438 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 15:55:11,439 INFO L432 NwaCegarLoop]: 436 mSDtfsCounter, 286 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 779 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 442 SdHoareTripleChecker+Invalid, 877 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 779 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time
[2024-11-13 15:55:11,440 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [286 Valid, 442 Invalid, 877 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 779 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time]
[2024-11-13 15:55:11,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9216 states.
[2024-11-13 15:55:11,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9216 to 8887.
[2024-11-13 15:55:11,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8887 states, 8886 states have (on average 1.0764123340085527) internal successors, (9565), 8886 states have internal predecessors, (9565), 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 15:55:11,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8887 states to 8887 states and 9565 transitions.
[2024-11-13 15:55:11,710 INFO L78 Accepts]: Start accepts. Automaton has 8887 states and 9565 transitions. Word has length 441
[2024-11-13 15:55:11,711 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 15:55:11,712 INFO L471 AbstractCegarLoop]: Abstraction has 8887 states and 9565 transitions.
[2024-11-13 15:55:11,714 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 95.0) internal successors, (285), 3 states have internal predecessors, (285), 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 15:55:11,714 INFO L276 IsEmpty]: Start isEmpty. Operand 8887 states and 9565 transitions.
[2024-11-13 15:55:11,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 503
[2024-11-13 15:55:11,721 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 15:55:11,721 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 15:55:11,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-11-13 15:55:11,722 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 15:55:11,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 15:55:11,727 INFO L85 PathProgramCache]: Analyzing trace with hash 686588570, now seen corresponding path program 1 times
[2024-11-13 15:55:11,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 15:55:11,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542941186]
[2024-11-13 15:55:11,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 15:55:11,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 15:55:11,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 15:55:13,020 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked.
[2024-11-13 15:55:13,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 15:55:13,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542941186]
[2024-11-13 15:55:13,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542941186] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-13 15:55:13,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1386296262]
[2024-11-13 15:55:13,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 15:55:13,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-13 15:55:13,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0bf494e-a177-4252-b48d-7f53e7e69500/bin/uautomizer-verify-qhAvR1uOyd/z3
[2024-11-13 15:55:13,025 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0bf494e-a177-4252-b48d-7f53e7e69500/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-13 15:55:13,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0bf494e-a177-4252-b48d-7f53e7e69500/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-13 15:55:13,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 15:55:13,435 INFO L255 TraceCheckSpWp]: Trace formula consists of 598 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-13 15:55:13,454 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-13 15:55:14,827 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked.
[2024-11-13 15:55:14,827 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-13 15:55:14,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1386296262] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 15:55:14,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-13 15:55:14,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4
[2024-11-13 15:55:14,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100245412]
[2024-11-13 15:55:14,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 15:55:14,830 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 15:55:14,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 15:55:14,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 15:55:14,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-13 15:55:14,832 INFO L87 Difference]: Start difference. First operand 8887 states and 9565 transitions. Second operand has 3 states, 3 states have (on average 80.0) internal successors, (240), 2 states have internal predecessors, (240), 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 15:55:16,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 15:55:16,316 INFO L93 Difference]: Finished difference Result 11192 states and 11932 transitions.
[2024-11-13 15:55:16,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-13 15:55:16,316 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 80.0) internal successors, (240), 2 states have internal predecessors, (240), 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 502
[2024-11-13 15:55:16,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 15:55:16,341 INFO L225 Difference]: With dead ends: 11192
[2024-11-13 15:55:16,342 INFO L226 Difference]: Without dead ends: 11190
[2024-11-13 15:55:16,346 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 504 GetRequests, 501 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-13 15:55:16,348 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 116 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 748 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 780 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 748 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time
[2024-11-13 15:55:16,348 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 83 Invalid, 780 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 748 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time]
[2024-11-13 15:55:16,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11190 states.
[2024-11-13 15:55:16,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11190 to 9545.
[2024-11-13 15:55:16,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9545 states, 9544 states have (on average 1.0735540653813915) internal successors, (10246), 9544 states have internal predecessors, (10246), 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 15:55:16,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9545 states to 9545 states and 10246 transitions.
[2024-11-13 15:55:16,535 INFO L78 Accepts]: Start accepts. Automaton has 9545 states and 10246 transitions. Word has length 502
[2024-11-13 15:55:16,537 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 15:55:16,538 INFO L471 AbstractCegarLoop]: Abstraction has 9545 states and 10246 transitions.
[2024-11-13 15:55:16,538 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.0) internal successors, (240), 2 states have internal predecessors, (240), 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 15:55:16,538 INFO L276 IsEmpty]: Start isEmpty. Operand 9545 states and 10246 transitions.
[2024-11-13 15:55:16,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 843
[2024-11-13 15:55:16,600 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 15:55:16,603 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, 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, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 15:55:16,634 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0bf494e-a177-4252-b48d-7f53e7e69500/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-11-13 15:55:16,804 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0bf494e-a177-4252-b48d-7f53e7e69500/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9
[2024-11-13 15:55:16,804 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 15:55:16,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 15:55:16,806 INFO L85 PathProgramCache]: Analyzing trace with hash -901369743, now seen corresponding path program 1 times
[2024-11-13 15:55:16,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 15:55:16,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946917749]
[2024-11-13 15:55:16,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 15:55:16,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 15:55:17,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 15:55:18,657 INFO L134 CoverageAnalysis]: Checked inductivity of 1329 backedges. 950 proven. 0 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked.
[2024-11-13 15:55:18,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 15:55:18,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946917749]
[2024-11-13 15:55:18,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946917749] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 15:55:18,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 15:55:18,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-13 15:55:18,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830011218]
[2024-11-13 15:55:18,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 15:55:18,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-13 15:55:18,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 15:55:18,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-13 15:55:18,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-13 15:55:18,662 INFO L87 Difference]: Start difference. First operand 9545 states and 10246 transitions. Second operand has 4 states, 4 states have (on average 155.75) internal successors, (623), 3 states have internal predecessors, (623), 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 15:55:21,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 15:55:21,540 INFO L93 Difference]: Finished difference Result 23038 states and 24754 transitions.
[2024-11-13 15:55:21,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-13 15:55:21,541 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 155.75) internal successors, (623), 3 states have internal predecessors, (623), 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 842
[2024-11-13 15:55:21,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 15:55:21,576 INFO L225 Difference]: With dead ends: 23038
[2024-11-13 15:55:21,577 INFO L226 Difference]: Without dead ends: 13824
[2024-11-13 15:55:21,590 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 15:55:21,592 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 272 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 1270 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 272 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 1372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 1270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time
[2024-11-13 15:55:21,593 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [272 Valid, 94 Invalid, 1372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 1270 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time]
[2024-11-13 15:55:21,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13824 states.
[2024-11-13 15:55:21,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13824 to 13493.
[2024-11-13 15:55:21,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13493 states, 13492 states have (on average 1.071227394011266) internal successors, (14453), 13492 states have internal predecessors, (14453), 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 15:55:21,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13493 states to 13493 states and 14453 transitions.
[2024-11-13 15:55:21,934 INFO L78 Accepts]: Start accepts. Automaton has 13493 states and 14453 transitions. Word has length 842
[2024-11-13 15:55:21,936 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 15:55:21,936 INFO L471 AbstractCegarLoop]: Abstraction has 13493 states and 14453 transitions.
[2024-11-13 15:55:21,936 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 155.75) internal successors, (623), 3 states have internal predecessors, (623), 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 15:55:21,937 INFO L276 IsEmpty]: Start isEmpty. Operand 13493 states and 14453 transitions.
[2024-11-13 15:55:21,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 881
[2024-11-13 15:55:21,964 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 15:55:21,966 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:55:21,966 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-11-13 15:55:21,967 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 15:55:21,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 15:55:21,968 INFO L85 PathProgramCache]: Analyzing trace with hash 525734020, now seen corresponding path program 1 times
[2024-11-13 15:55:21,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 15:55:21,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105069932]
[2024-11-13 15:55:21,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 15:55:21,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 15:55:22,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 15:55:23,883 INFO L134 CoverageAnalysis]: Checked inductivity of 1848 backedges. 1122 proven. 0 refuted. 0 times theorem prover too weak. 726 trivial. 0 not checked.
[2024-11-13 15:55:23,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 15:55:23,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105069932]
[2024-11-13 15:55:23,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105069932] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 15:55:23,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 15:55:23,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-13 15:55:23,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375972075]
[2024-11-13 15:55:23,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 15:55:23,885 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-13 15:55:23,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 15:55:23,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-13 15:55:23,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-13 15:55:23,889 INFO L87 Difference]: Start difference. First operand 13493 states and 14453 transitions. Second operand has 4 states, 4 states have (on average 134.25) internal successors, (537), 3 states have internal predecessors, (537), 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 15:55:25,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 15:55:25,673 INFO L93 Difference]: Finished difference Result 26326 states and 28237 transitions.
[2024-11-13 15:55:25,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-13 15:55:25,674 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 134.25) internal successors, (537), 3 states have internal predecessors, (537), 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 880
[2024-11-13 15:55:25,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 15:55:25,719 INFO L225 Difference]: With dead ends: 26326
[2024-11-13 15:55:25,719 INFO L226 Difference]: Without dead ends: 13493
[2024-11-13 15:55:25,736 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 15:55:25,738 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 173 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 1189 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 1192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time
[2024-11-13 15:55:25,738 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 118 Invalid, 1192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1189 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time]
[2024-11-13 15:55:25,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13493 states.
[2024-11-13 15:55:26,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13493 to 13493.
[2024-11-13 15:55:26,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13493 states, 13492 states have (on average 1.0710050400237177) internal successors, (14450), 13492 states have internal predecessors, (14450), 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 15:55:26,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13493 states to 13493 states and 14450 transitions.
[2024-11-13 15:55:26,118 INFO L78 Accepts]: Start accepts. Automaton has 13493 states and 14450 transitions. Word has length 880
[2024-11-13 15:55:26,119 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 15:55:26,119 INFO L471 AbstractCegarLoop]: Abstraction has 13493 states and 14450 transitions.
[2024-11-13 15:55:26,119 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 134.25) internal successors, (537), 3 states have internal predecessors, (537), 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 15:55:26,119 INFO L276 IsEmpty]: Start isEmpty. Operand 13493 states and 14450 transitions.
[2024-11-13 15:55:26,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 942
[2024-11-13 15:55:26,166 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 15:55:26,167 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 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, 1, 1, 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 15:55:26,167 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2024-11-13 15:55:26,167 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 15:55:26,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 15:55:26,169 INFO L85 PathProgramCache]: Analyzing trace with hash -88568367, now seen corresponding path program 1 times
[2024-11-13 15:55:26,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 15:55:26,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126339616]
[2024-11-13 15:55:26,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 15:55:26,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 15:55:26,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 15:55:27,238 INFO L134 CoverageAnalysis]: Checked inductivity of 1909 backedges. 1202 proven. 0 refuted. 0 times theorem prover too weak. 707 trivial. 0 not checked.
[2024-11-13 15:55:27,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 15:55:27,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126339616]
[2024-11-13 15:55:27,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126339616] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 15:55:27,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 15:55:27,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-13 15:55:27,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [611771814]
[2024-11-13 15:55:27,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 15:55:27,241 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 15:55:27,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 15:55:27,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 15:55:27,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-13 15:55:27,243 INFO L87 Difference]: Start difference. First operand 13493 states and 14450 transitions. Second operand has 3 states, 3 states have (on average 163.66666666666666) internal successors, (491), 3 states have internal predecessors, (491), 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 15:55:28,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 15:55:28,724 INFO L93 Difference]: Finished difference Result 26326 states and 28234 transitions.
[2024-11-13 15:55:28,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-13 15:55:28,725 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 163.66666666666666) internal successors, (491), 3 states have internal predecessors, (491), 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 941
[2024-11-13 15:55:28,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 15:55:28,753 INFO L225 Difference]: With dead ends: 26326
[2024-11-13 15:55:28,753 INFO L226 Difference]: Without dead ends: 13493
[2024-11-13 15:55:28,770 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 15:55:28,772 INFO L432 NwaCegarLoop]: 428 mSDtfsCounter, 222 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 758 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 433 SdHoareTripleChecker+Invalid, 860 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 758 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time
[2024-11-13 15:55:28,772 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 433 Invalid, 860 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 758 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time]
[2024-11-13 15:55:28,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13493 states.
[2024-11-13 15:55:28,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13493 to 13164.
[2024-11-13 15:55:28,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13164 states, 13163 states have (on average 1.0493048697105523) internal successors, (13812), 13163 states have internal predecessors, (13812), 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 15:55:29,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13164 states to 13164 states and 13812 transitions.
[2024-11-13 15:55:29,006 INFO L78 Accepts]: Start accepts. Automaton has 13164 states and 13812 transitions. Word has length 941
[2024-11-13 15:55:29,007 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 15:55:29,007 INFO L471 AbstractCegarLoop]: Abstraction has 13164 states and 13812 transitions.
[2024-11-13 15:55:29,007 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 163.66666666666666) internal successors, (491), 3 states have internal predecessors, (491), 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 15:55:29,007 INFO L276 IsEmpty]: Start isEmpty. Operand 13164 states and 13812 transitions.
[2024-11-13 15:55:29,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 943
[2024-11-13 15:55:29,027 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 15:55:29,028 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 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, 1, 1, 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 15:55:29,029 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2024-11-13 15:55:29,029 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 15:55:29,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 15:55:29,030 INFO L85 PathProgramCache]: Analyzing trace with hash 1721941161, now seen corresponding path program 1 times
[2024-11-13 15:55:29,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 15:55:29,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975609075]
[2024-11-13 15:55:29,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 15:55:29,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 15:55:29,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 15:55:30,969 INFO L134 CoverageAnalysis]: Checked inductivity of 1914 backedges. 852 proven. 0 refuted. 0 times theorem prover too weak. 1062 trivial. 0 not checked.
[2024-11-13 15:55:30,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 15:55:30,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975609075]
[2024-11-13 15:55:30,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975609075] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 15:55:30,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 15:55:30,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-13 15:55:30,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393758430]
[2024-11-13 15:55:30,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 15:55:30,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 15:55:30,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 15:55:30,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 15:55:30,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-13 15:55:30,974 INFO L87 Difference]: Start difference. First operand 13164 states and 13812 transitions. Second operand has 3 states, 3 states have (on average 142.0) internal successors, (426), 3 states have internal predecessors, (426), 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 15:55:32,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 15:55:32,436 INFO L93 Difference]: Finished difference Result 25997 states and 27295 transitions.
[2024-11-13 15:55:32,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-13 15:55:32,437 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 142.0) internal successors, (426), 3 states have internal predecessors, (426), 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 942
[2024-11-13 15:55:32,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 15:55:32,465 INFO L225 Difference]: With dead ends: 25997
[2024-11-13 15:55:32,465 INFO L226 Difference]: Without dead ends: 13493
[2024-11-13 15:55:32,477 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 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 15:55:32,478 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 211 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 752 mSolverCounterSat, 125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 877 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 125 IncrementalHoareTripleChecker+Valid, 752 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time
[2024-11-13 15:55:32,479 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [211 Valid, 35 Invalid, 877 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [125 Valid, 752 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time]
[2024-11-13 15:55:32,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13493 states.
[2024-11-13 15:55:32,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13493 to 13493.
[2024-11-13 15:55:32,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13493 states, 13492 states have (on average 1.0448413874888822) internal successors, (14097), 13492 states have internal predecessors, (14097), 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 15:55:32,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13493 states to 13493 states and 14097 transitions.
[2024-11-13 15:55:32,741 INFO L78 Accepts]: Start accepts. Automaton has 13493 states and 14097 transitions. Word has length 942
[2024-11-13 15:55:32,743 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 15:55:32,743 INFO L471 AbstractCegarLoop]: Abstraction has 13493 states and 14097 transitions.
[2024-11-13 15:55:32,743 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 142.0) internal successors, (426), 3 states have internal predecessors, (426), 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 15:55:32,744 INFO L276 IsEmpty]: Start isEmpty. Operand 13493 states and 14097 transitions.
[2024-11-13 15:55:32,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 999
[2024-11-13 15:55:32,767 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 15:55:32,768 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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]
[2024-11-13 15:55:32,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2024-11-13 15:55:32,769 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 15:55:32,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 15:55:32,770 INFO L85 PathProgramCache]: Analyzing trace with hash 880003613, now seen corresponding path program 1 times
[2024-11-13 15:55:32,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 15:55:32,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155785604]
[2024-11-13 15:55:32,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 15:55:32,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 15:55:33,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 15:55:34,142 INFO L134 CoverageAnalysis]: Checked inductivity of 2026 backedges. 964 proven. 0 refuted. 0 times theorem prover too weak. 1062 trivial. 0 not checked.
[2024-11-13 15:55:34,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 15:55:34,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155785604]
[2024-11-13 15:55:34,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155785604] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 15:55:34,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 15:55:34,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-13 15:55:34,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876381553]
[2024-11-13 15:55:34,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 15:55:34,145 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 15:55:34,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 15:55:34,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 15:55:34,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-13 15:55:34,147 INFO L87 Difference]: Start difference. First operand 13493 states and 14097 transitions. Second operand has 3 states, 3 states have (on average 160.66666666666666) internal successors, (482), 3 states have internal predecessors, (482), 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 15:55:35,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 15:55:35,593 INFO L93 Difference]: Finished difference Result 26326 states and 27528 transitions.
[2024-11-13 15:55:35,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-13 15:55:35,594 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 160.66666666666666) internal successors, (482), 3 states have internal predecessors, (482), 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 998
[2024-11-13 15:55:35,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 15:55:35,622 INFO L225 Difference]: With dead ends: 26326
[2024-11-13 15:55:35,623 INFO L226 Difference]: Without dead ends: 13493
[2024-11-13 15:55:35,636 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 15:55:35,637 INFO L432 NwaCegarLoop]: 424 mSDtfsCounter, 136 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 759 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 809 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 759 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time
[2024-11-13 15:55:35,637 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 430 Invalid, 809 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 759 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time]
[2024-11-13 15:55:35,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13493 states.
[2024-11-13 15:55:35,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13493 to 12835.
[2024-11-13 15:55:35,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12835 states, 12834 states have (on average 1.0387252610254012) internal successors, (13331), 12834 states have internal predecessors, (13331), 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 15:55:35,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12835 states to 12835 states and 13331 transitions.
[2024-11-13 15:55:35,883 INFO L78 Accepts]: Start accepts. Automaton has 12835 states and 13331 transitions. Word has length 998
[2024-11-13 15:55:35,884 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 15:55:35,884 INFO L471 AbstractCegarLoop]: Abstraction has 12835 states and 13331 transitions.
[2024-11-13 15:55:35,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 160.66666666666666) internal successors, (482), 3 states have internal predecessors, (482), 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 15:55:35,885 INFO L276 IsEmpty]: Start isEmpty. Operand 12835 states and 13331 transitions.
[2024-11-13 15:55:35,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1013
[2024-11-13 15:55:35,904 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 15:55:35,905 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, 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, 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, 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]
[2024-11-13 15:55:35,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2024-11-13 15:55:35,906 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 15:55:35,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 15:55:35,907 INFO L85 PathProgramCache]: Analyzing trace with hash 945243156, now seen corresponding path program 1 times
[2024-11-13 15:55:35,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 15:55:35,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003294898]
[2024-11-13 15:55:35,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 15:55:35,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 15:55:36,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 15:55:36,881 INFO L134 CoverageAnalysis]: Checked inductivity of 1905 backedges. 932 proven. 0 refuted. 0 times theorem prover too weak. 973 trivial. 0 not checked.
[2024-11-13 15:55:36,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 15:55:36,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003294898]
[2024-11-13 15:55:36,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003294898] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 15:55:36,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 15:55:36,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-13 15:55:36,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432767670]
[2024-11-13 15:55:36,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 15:55:36,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 15:55:36,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 15:55:36,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 15:55:36,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-13 15:55:36,886 INFO L87 Difference]: Start difference. First operand 12835 states and 13331 transitions. Second operand has 3 states, 3 states have (on average 160.33333333333334) internal successors, (481), 3 states have internal predecessors, (481), 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 15:55:38,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 15:55:38,265 INFO L93 Difference]: Finished difference Result 30274 states and 31519 transitions.
[2024-11-13 15:55:38,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-13 15:55:38,266 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 160.33333333333334) internal successors, (481), 3 states have internal predecessors, (481), 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 1012
[2024-11-13 15:55:38,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 15:55:38,281 INFO L225 Difference]: With dead ends: 30274
[2024-11-13 15:55:38,281 INFO L226 Difference]: Without dead ends: 16125
[2024-11-13 15:55:38,296 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 15:55:38,297 INFO L432 NwaCegarLoop]: 424 mSDtfsCounter, 143 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 747 mSolverCounterSat, 93 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 840 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 747 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time
[2024-11-13 15:55:38,297 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 430 Invalid, 840 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 747 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time]
[2024-11-13 15:55:38,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16125 states.
[2024-11-13 15:55:38,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16125 to 16125.
[2024-11-13 15:55:38,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16125 states, 16124 states have (on average 1.0309476556685686) internal successors, (16623), 16124 states have internal predecessors, (16623), 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 15:55:38,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16125 states to 16125 states and 16623 transitions.
[2024-11-13 15:55:38,541 INFO L78 Accepts]: Start accepts. Automaton has 16125 states and 16623 transitions. Word has length 1012
[2024-11-13 15:55:38,543 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 15:55:38,543 INFO L471 AbstractCegarLoop]: Abstraction has 16125 states and 16623 transitions.
[2024-11-13 15:55:38,543 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 160.33333333333334) internal successors, (481), 3 states have internal predecessors, (481), 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 15:55:38,544 INFO L276 IsEmpty]: Start isEmpty. Operand 16125 states and 16623 transitions.
[2024-11-13 15:55:38,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1375
[2024-11-13 15:55:38,578 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 15:55:38,579 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 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 15:55:38,579 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2024-11-13 15:55:38,580 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 15:55:38,580 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 15:55:38,581 INFO L85 PathProgramCache]: Analyzing trace with hash -678481963, now seen corresponding path program 1 times
[2024-11-13 15:55:38,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 15:55:38,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395875073]
[2024-11-13 15:55:38,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 15:55:38,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 15:55:38,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 15:55:40,399 INFO L134 CoverageAnalysis]: Checked inductivity of 3055 backedges. 275 proven. 0 refuted. 0 times theorem prover too weak. 2780 trivial. 0 not checked.
[2024-11-13 15:55:40,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 15:55:40,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395875073]
[2024-11-13 15:55:40,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395875073] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 15:55:40,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 15:55:40,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-13 15:55:40,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752090018]
[2024-11-13 15:55:40,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 15:55:40,401 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-13 15:55:40,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 15:55:40,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-13 15:55:40,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-11-13 15:55:40,403 INFO L87 Difference]: Start difference. First operand 16125 states and 16623 transitions. Second operand has 6 states, 6 states have (on average 56.833333333333336) internal successors, (341), 6 states have internal predecessors, (341), 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 15:55:41,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 15:55:41,283 INFO L93 Difference]: Finished difference Result 31649 states and 32639 transitions.
[2024-11-13 15:55:41,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-13 15:55:41,284 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 56.833333333333336) internal successors, (341), 6 states have internal predecessors, (341), 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 1374
[2024-11-13 15:55:41,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 15:55:41,299 INFO L225 Difference]: With dead ends: 31649
[2024-11-13 15:55:41,299 INFO L226 Difference]: Without dead ends: 16125
[2024-11-13 15:55:41,311 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-11-13 15:55:41,312 INFO L432 NwaCegarLoop]: 436 mSDtfsCounter, 22 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 548 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 457 SdHoareTripleChecker+Invalid, 551 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2024-11-13 15:55:41,312 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 457 Invalid, 551 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 548 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2024-11-13 15:55:41,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16125 states.
[2024-11-13 15:55:41,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16125 to 16125.
[2024-11-13 15:55:41,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16125 states, 16124 states have (on average 1.0302654428181592) internal successors, (16612), 16124 states have internal predecessors, (16612), 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 15:55:41,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16125 states to 16125 states and 16612 transitions.
[2024-11-13 15:55:41,622 INFO L78 Accepts]: Start accepts. Automaton has 16125 states and 16612 transitions. Word has length 1374
[2024-11-13 15:55:41,623 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 15:55:41,624 INFO L471 AbstractCegarLoop]: Abstraction has 16125 states and 16612 transitions.
[2024-11-13 15:55:41,624 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 56.833333333333336) internal successors, (341), 6 states have internal predecessors, (341), 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 15:55:41,624 INFO L276 IsEmpty]: Start isEmpty. Operand 16125 states and 16612 transitions.
[2024-11-13 15:55:41,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1387
[2024-11-13 15:55:41,654 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 15:55:41,655 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:55:41,655 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2024-11-13 15:55:41,656 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 15:55:41,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 15:55:41,657 INFO L85 PathProgramCache]: Analyzing trace with hash -696945357, now seen corresponding path program 1 times
[2024-11-13 15:55:41,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 15:55:41,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752371800]
[2024-11-13 15:55:41,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 15:55:41,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 15:55:41,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 15:55:43,166 INFO L134 CoverageAnalysis]: Checked inductivity of 3055 backedges. 1313 proven. 0 refuted. 0 times theorem prover too weak. 1742 trivial. 0 not checked.
[2024-11-13 15:55:43,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 15:55:43,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752371800]
[2024-11-13 15:55:43,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752371800] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 15:55:43,167 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 15:55:43,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-13 15:55:43,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370097995]
[2024-11-13 15:55:43,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 15:55:43,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 15:55:43,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 15:55:43,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 15:55:43,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-13 15:55:43,173 INFO L87 Difference]: Start difference. First operand 16125 states and 16612 transitions. Second operand has 3 states, 3 states have (on average 207.0) internal successors, (621), 3 states have internal predecessors, (621), 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 15:55:44,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 15:55:44,733 INFO L93 Difference]: Finished difference Result 34222 states and 35378 transitions.
[2024-11-13 15:55:44,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-13 15:55:44,734 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 207.0) internal successors, (621), 3 states have internal predecessors, (621), 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 1386
[2024-11-13 15:55:44,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 15:55:44,754 INFO L225 Difference]: With dead ends: 34222
[2024-11-13 15:55:44,755 INFO L226 Difference]: Without dead ends: 17112
[2024-11-13 15:55:44,765 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 15:55:44,766 INFO L432 NwaCegarLoop]: 405 mSDtfsCounter, 45 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 750 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 410 SdHoareTripleChecker+Invalid, 813 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 750 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time
[2024-11-13 15:55:44,766 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 410 Invalid, 813 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 750 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time]
[2024-11-13 15:55:44,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17112 states.
[2024-11-13 15:55:45,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17112 to 14480.
[2024-11-13 15:55:45,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14480 states, 14479 states have (on average 1.0283859382554044) internal successors, (14890), 14479 states have internal predecessors, (14890), 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 15:55:45,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14480 states to 14480 states and 14890 transitions.
[2024-11-13 15:55:45,075 INFO L78 Accepts]: Start accepts. Automaton has 14480 states and 14890 transitions. Word has length 1386
[2024-11-13 15:55:45,077 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 15:55:45,077 INFO L471 AbstractCegarLoop]: Abstraction has 14480 states and 14890 transitions.
[2024-11-13 15:55:45,077 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 207.0) internal successors, (621), 3 states have internal predecessors, (621), 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 15:55:45,077 INFO L276 IsEmpty]: Start isEmpty. Operand 14480 states and 14890 transitions.
[2024-11-13 15:55:45,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1405
[2024-11-13 15:55:45,097 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 15:55:45,097 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 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, 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]
[2024-11-13 15:55:45,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17
[2024-11-13 15:55:45,098 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 15:55:45,098 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 15:55:45,098 INFO L85 PathProgramCache]: Analyzing trace with hash 2029763265, now seen corresponding path program 1 times
[2024-11-13 15:55:45,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 15:55:45,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135095855]
[2024-11-13 15:55:45,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 15:55:45,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 15:55:45,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 15:55:47,205 INFO L134 CoverageAnalysis]: Checked inductivity of 3483 backedges. 1988 proven. 0 refuted. 0 times theorem prover too weak. 1495 trivial. 0 not checked.
[2024-11-13 15:55:47,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 15:55:47,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135095855]
[2024-11-13 15:55:47,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135095855] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 15:55:47,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 15:55:47,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-13 15:55:47,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650961699]
[2024-11-13 15:55:47,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 15:55:47,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 15:55:47,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 15:55:47,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 15:55:47,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-13 15:55:47,209 INFO L87 Difference]: Start difference. First operand 14480 states and 14890 transitions. Second operand has 3 states, 3 states have (on average 171.0) internal successors, (513), 3 states have internal predecessors, (513), 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 15:55:48,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 15:55:48,355 INFO L93 Difference]: Finished difference Result 28300 states and 29114 transitions.
[2024-11-13 15:55:48,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-13 15:55:48,356 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 171.0) internal successors, (513), 3 states have internal predecessors, (513), 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 1404
[2024-11-13 15:55:48,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 15:55:48,369 INFO L225 Difference]: With dead ends: 28300
[2024-11-13 15:55:48,369 INFO L226 Difference]: Without dead ends: 14480
[2024-11-13 15:55:48,376 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 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 15:55:48,377 INFO L432 NwaCegarLoop]: 371 mSDtfsCounter, 93 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 752 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 377 SdHoareTripleChecker+Invalid, 766 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 752 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2024-11-13 15:55:48,377 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 377 Invalid, 766 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 752 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2024-11-13 15:55:48,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14480 states.
[2024-11-13 15:55:48,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14480 to 14480.
[2024-11-13 15:55:48,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14480 states, 14479 states have (on average 1.0256233165273845) internal successors, (14850), 14479 states have internal predecessors, (14850), 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 15:55:48,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14480 states to 14480 states and 14850 transitions.
[2024-11-13 15:55:48,526 INFO L78 Accepts]: Start accepts. Automaton has 14480 states and 14850 transitions. Word has length 1404
[2024-11-13 15:55:48,527 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 15:55:48,527 INFO L471 AbstractCegarLoop]: Abstraction has 14480 states and 14850 transitions.
[2024-11-13 15:55:48,527 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 171.0) internal successors, (513), 3 states have internal predecessors, (513), 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 15:55:48,527 INFO L276 IsEmpty]: Start isEmpty. Operand 14480 states and 14850 transitions.
[2024-11-13 15:55:48,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1590
[2024-11-13 15:55:48,601 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 15:55:48,601 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:55:48,601 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18
[2024-11-13 15:55:48,602 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 15:55:48,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 15:55:48,603 INFO L85 PathProgramCache]: Analyzing trace with hash -189204465, now seen corresponding path program 1 times
[2024-11-13 15:55:48,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 15:55:48,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902998948]
[2024-11-13 15:55:48,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 15:55:48,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 15:55:48,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 15:55:52,406 INFO L134 CoverageAnalysis]: Checked inductivity of 4260 backedges. 2944 proven. 120 refuted. 0 times theorem prover too weak. 1196 trivial. 0 not checked.
[2024-11-13 15:55:52,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 15:55:52,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902998948]
[2024-11-13 15:55:52,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902998948] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-13 15:55:52,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1689736508]
[2024-11-13 15:55:52,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 15:55:52,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-13 15:55:52,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0bf494e-a177-4252-b48d-7f53e7e69500/bin/uautomizer-verify-qhAvR1uOyd/z3
[2024-11-13 15:55:52,409 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0bf494e-a177-4252-b48d-7f53e7e69500/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-13 15:55:52,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0bf494e-a177-4252-b48d-7f53e7e69500/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-13 15:55:53,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 15:55:53,117 INFO L255 TraceCheckSpWp]: Trace formula consists of 1807 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-13 15:55:53,148 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-13 15:55:54,520 INFO L134 CoverageAnalysis]: Checked inductivity of 4260 backedges. 2984 proven. 0 refuted. 0 times theorem prover too weak. 1276 trivial. 0 not checked.
[2024-11-13 15:55:54,520 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-13 15:55:54,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1689736508] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 15:55:54,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-13 15:55:54,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7
[2024-11-13 15:55:54,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643039771]
[2024-11-13 15:55:54,523 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 15:55:54,525 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 15:55:54,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 15:55:54,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 15:55:54,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2024-11-13 15:55:54,530 INFO L87 Difference]: Start difference. First operand 14480 states and 14850 transitions. Second operand has 3 states, 3 states have (on average 267.6666666666667) internal successors, (803), 3 states have internal predecessors, (803), 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 15:55:55,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 15:55:55,727 INFO L93 Difference]: Finished difference Result 28300 states and 29034 transitions.
[2024-11-13 15:55:55,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-13 15:55:55,727 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 267.6666666666667) internal successors, (803), 3 states have internal predecessors, (803), 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 1589
[2024-11-13 15:55:55,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 15:55:55,741 INFO L225 Difference]: With dead ends: 28300
[2024-11-13 15:55:55,741 INFO L226 Difference]: Without dead ends: 14480
[2024-11-13 15:55:55,748 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1596 GetRequests, 1591 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2024-11-13 15:55:55,749 INFO L432 NwaCegarLoop]: 419 mSDtfsCounter, 62 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 737 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 744 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 737 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time
[2024-11-13 15:55:55,749 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 425 Invalid, 744 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 737 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time]
[2024-11-13 15:55:55,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14480 states.
[2024-11-13 15:55:55,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14480 to 14480.
[2024-11-13 15:55:55,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14480 states, 14479 states have (on average 1.0254851854409834) internal successors, (14848), 14479 states have internal predecessors, (14848), 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 15:55:55,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14480 states to 14480 states and 14848 transitions.
[2024-11-13 15:55:55,914 INFO L78 Accepts]: Start accepts. Automaton has 14480 states and 14848 transitions. Word has length 1589
[2024-11-13 15:55:55,915 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 15:55:55,915 INFO L471 AbstractCegarLoop]: Abstraction has 14480 states and 14848 transitions.
[2024-11-13 15:55:55,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 267.6666666666667) internal successors, (803), 3 states have internal predecessors, (803), 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 15:55:55,916 INFO L276 IsEmpty]: Start isEmpty. Operand 14480 states and 14848 transitions.
[2024-11-13 15:55:55,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1638
[2024-11-13 15:55:55,951 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 15:55:55,951 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:55:55,981 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0bf494e-a177-4252-b48d-7f53e7e69500/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-11-13 15:55:56,152 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0bf494e-a177-4252-b48d-7f53e7e69500/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-13 15:55:56,152 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 15:55:56,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 15:55:56,153 INFO L85 PathProgramCache]: Analyzing trace with hash -2081698376, now seen corresponding path program 1 times
[2024-11-13 15:55:56,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 15:55:56,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317473772]
[2024-11-13 15:55:56,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 15:55:56,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 15:55:56,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 15:55:58,452 INFO L134 CoverageAnalysis]: Checked inductivity of 5345 backedges. 3082 proven. 0 refuted. 0 times theorem prover too weak. 2263 trivial. 0 not checked.
[2024-11-13 15:55:58,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 15:55:58,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317473772]
[2024-11-13 15:55:58,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317473772] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 15:55:58,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 15:55:58,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-13 15:55:58,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442969903]
[2024-11-13 15:55:58,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 15:55:58,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 15:55:58,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 15:55:58,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 15:55:58,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-13 15:55:58,455 INFO L87 Difference]: Start difference. First operand 14480 states and 14848 transitions. Second operand has 3 states, 3 states have (on average 216.66666666666666) internal successors, (650), 3 states have internal predecessors, (650), 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 15:55:59,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 15:55:59,683 INFO L93 Difference]: Finished difference Result 28958 states and 29697 transitions.
[2024-11-13 15:55:59,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-13 15:55:59,688 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 216.66666666666666) internal successors, (650), 3 states have internal predecessors, (650), 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 1637
[2024-11-13 15:55:59,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 15:55:59,701 INFO L225 Difference]: With dead ends: 28958
[2024-11-13 15:55:59,701 INFO L226 Difference]: Without dead ends: 14809
[2024-11-13 15:55:59,708 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 15:55:59,709 INFO L432 NwaCegarLoop]: 423 mSDtfsCounter, 224 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 745 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 752 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 745 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time
[2024-11-13 15:55:59,709 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 429 Invalid, 752 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 745 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time]
[2024-11-13 15:55:59,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14809 states.
[2024-11-13 15:55:59,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14809 to 14809.
[2024-11-13 15:55:59,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14809 states, 14808 states have (on average 1.0249189627228525) internal successors, (15177), 14808 states have internal predecessors, (15177), 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 15:55:59,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14809 states to 14809 states and 15177 transitions.
[2024-11-13 15:55:59,847 INFO L78 Accepts]: Start accepts. Automaton has 14809 states and 15177 transitions. Word has length 1637
[2024-11-13 15:55:59,848 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 15:55:59,848 INFO L471 AbstractCegarLoop]: Abstraction has 14809 states and 15177 transitions.
[2024-11-13 15:55:59,848 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 216.66666666666666) internal successors, (650), 3 states have internal predecessors, (650), 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 15:55:59,848 INFO L276 IsEmpty]: Start isEmpty. Operand 14809 states and 15177 transitions.
[2024-11-13 15:55:59,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1808
[2024-11-13 15:55:59,939 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 15:55:59,939 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:55:59,939 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20
[2024-11-13 15:55:59,940 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 15:55:59,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 15:55:59,941 INFO L85 PathProgramCache]: Analyzing trace with hash 1217460113, now seen corresponding path program 1 times
[2024-11-13 15:55:59,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 15:55:59,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694333109]
[2024-11-13 15:55:59,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 15:55:59,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 15:56:00,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 15:56:02,081 INFO L134 CoverageAnalysis]: Checked inductivity of 6557 backedges. 4368 proven. 0 refuted. 0 times theorem prover too weak. 2189 trivial. 0 not checked.
[2024-11-13 15:56:02,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 15:56:02,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694333109]
[2024-11-13 15:56:02,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694333109] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 15:56:02,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 15:56:02,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-13 15:56:02,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385840250]
[2024-11-13 15:56:02,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 15:56:02,084 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-13 15:56:02,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 15:56:02,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-13 15:56:02,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-13 15:56:02,086 INFO L87 Difference]: Start difference. First operand 14809 states and 15177 transitions. Second operand has 4 states, 4 states have (on average 193.25) internal successors, (773), 4 states have internal predecessors, (773), 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 15:56:03,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 15:56:03,423 INFO L93 Difference]: Finished difference Result 28958 states and 29688 transitions.
[2024-11-13 15:56:03,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-13 15:56:03,424 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 193.25) internal successors, (773), 4 states have internal predecessors, (773), 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 1807
[2024-11-13 15:56:03,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 15:56:03,437 INFO L225 Difference]: With dead ends: 28958
[2024-11-13 15:56:03,437 INFO L226 Difference]: Without dead ends: 14809
[2024-11-13 15:56:03,445 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-13 15:56:03,447 INFO L432 NwaCegarLoop]: 422 mSDtfsCounter, 120 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 1305 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 550 SdHoareTripleChecker+Invalid, 1314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time
[2024-11-13 15:56:03,447 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 550 Invalid, 1314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1305 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time]
[2024-11-13 15:56:03,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14809 states.
[2024-11-13 15:56:03,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14809 to 14809.
[2024-11-13 15:56:03,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14809 states, 14808 states have (on average 1.0242436520799567) internal successors, (15167), 14808 states have internal predecessors, (15167), 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 15:56:03,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14809 states to 14809 states and 15167 transitions.
[2024-11-13 15:56:03,594 INFO L78 Accepts]: Start accepts. Automaton has 14809 states and 15167 transitions. Word has length 1807
[2024-11-13 15:56:03,595 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 15:56:03,595 INFO L471 AbstractCegarLoop]: Abstraction has 14809 states and 15167 transitions.
[2024-11-13 15:56:03,595 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 193.25) internal successors, (773), 4 states have internal predecessors, (773), 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 15:56:03,595 INFO L276 IsEmpty]: Start isEmpty. Operand 14809 states and 15167 transitions.
[2024-11-13 15:56:03,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1948
[2024-11-13 15:56:03,637 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-13 15:56:03,638 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-13 15:56:03,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21
[2024-11-13 15:56:03,638 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-13 15:56:03,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-13 15:56:03,639 INFO L85 PathProgramCache]: Analyzing trace with hash -1527816369, now seen corresponding path program 1 times
[2024-11-13 15:56:03,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-13 15:56:03,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215551919]
[2024-11-13 15:56:03,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-13 15:56:03,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-13 15:56:03,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-13 15:56:05,316 INFO L134 CoverageAnalysis]: Checked inductivity of 7906 backedges. 505 proven. 0 refuted. 0 times theorem prover too weak. 7401 trivial. 0 not checked.
[2024-11-13 15:56:05,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-13 15:56:05,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215551919]
[2024-11-13 15:56:05,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215551919] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-13 15:56:05,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-13 15:56:05,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-13 15:56:05,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894717619]
[2024-11-13 15:56:05,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-13 15:56:05,319 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-13 15:56:05,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-13 15:56:05,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-13 15:56:05,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-13 15:56:05,320 INFO L87 Difference]: Start difference. First operand 14809 states and 15167 transitions. Second operand has 3 states, 3 states have (on average 102.33333333333333) internal successors, (307), 3 states have internal predecessors, (307), 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 15:56:06,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-13 15:56:06,351 INFO L93 Difference]: Finished difference Result 33562 states and 34362 transitions.
[2024-11-13 15:56:06,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-13 15:56:06,352 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 102.33333333333333) internal successors, (307), 3 states have internal predecessors, (307), 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 1947
[2024-11-13 15:56:06,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-13 15:56:06,354 INFO L225 Difference]: With dead ends: 33562
[2024-11-13 15:56:06,354 INFO L226 Difference]: Without dead ends: 0
[2024-11-13 15:56:06,363 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 15:56:06,363 INFO L432 NwaCegarLoop]: 396 mSDtfsCounter, 286 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 795 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 286 SdHoareTripleChecker+Valid, 401 SdHoareTripleChecker+Invalid, 838 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 795 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time
[2024-11-13 15:56:06,364 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [286 Valid, 401 Invalid, 838 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 795 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time]
[2024-11-13 15:56:06,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-11-13 15:56:06,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-11-13 15:56:06,364 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 15:56:06,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-11-13 15:56:06,365 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1947
[2024-11-13 15:56:06,365 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-13 15:56:06,366 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-11-13 15:56:06,366 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 102.33333333333333) internal successors, (307), 3 states have internal predecessors, (307), 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 15:56:06,366 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-11-13 15:56:06,366 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-11-13 15:56:06,369 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-13 15:56:06,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22
[2024-11-13 15:56:06,373 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, 1, 1, 1]
[2024-11-13 15:56:06,375 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-11-13 15:56:08,294 INFO L173 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-13 15:56:08,331 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 03:56:08 BoogieIcfgContainer
[2024-11-13 15:56:08,331 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-13 15:56:08,332 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-13 15:56:08,332 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-13 15:56:08,333 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-13 15:56:08,334 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:54:42" (3/4) ...
[2024-11-13 15:56:08,336 INFO L142 WitnessPrinter]: Generating witness for correct program
[2024-11-13 15:56:08,383 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges
[2024-11-13 15:56:08,385 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2024-11-13 15:56:08,388 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-11-13 15:56:08,390 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-11-13 15:56:08,648 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0bf494e-a177-4252-b48d-7f53e7e69500/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml
[2024-11-13 15:56:08,649 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0bf494e-a177-4252-b48d-7f53e7e69500/bin/uautomizer-verify-qhAvR1uOyd/witness.yml
[2024-11-13 15:56:08,651 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-13 15:56:08,652 INFO L158 Benchmark]: Toolchain (without parser) took 92590.76ms. Allocated memory was 167.8MB in the beginning and 226.5MB in the end (delta: 58.7MB). Free memory was 124.8MB in the beginning and 83.0MB in the end (delta: 41.8MB). Peak memory consumption was 103.6MB. Max. memory is 16.1GB.
[2024-11-13 15:56:08,652 INFO L158 Benchmark]: CDTParser took 0.56ms. Allocated memory is still 167.8MB. Free memory is still 105.1MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-13 15:56:08,653 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1371.72ms. Allocated memory is still 167.8MB. Free memory was 124.8MB in the beginning and 65.5MB in the end (delta: 59.3MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB.
[2024-11-13 15:56:08,653 INFO L158 Benchmark]: Boogie Procedure Inliner took 242.15ms. Allocated memory is still 167.8MB. Free memory was 65.5MB in the beginning and 42.2MB in the end (delta: 23.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2024-11-13 15:56:08,655 INFO L158 Benchmark]: Boogie Preprocessor took 369.97ms. Allocated memory is still 167.8MB. Free memory was 42.2MB in the beginning and 82.9MB in the end (delta: -40.7MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB.
[2024-11-13 15:56:08,658 INFO L158 Benchmark]: RCFGBuilder took 4143.64ms. Allocated memory was 167.8MB in the beginning and 402.7MB in the end (delta: 234.9MB). Free memory was 82.9MB in the beginning and 272.9MB in the end (delta: -190.0MB). Peak memory consumption was 59.8MB. Max. memory is 16.1GB.
[2024-11-13 15:56:08,659 INFO L158 Benchmark]: TraceAbstraction took 86133.58ms. Allocated memory was 402.7MB in the beginning and 226.5MB in the end (delta: -176.2MB). Free memory was 271.8MB in the beginning and 103.9MB in the end (delta: 167.8MB). Peak memory consumption was 722.6MB. Max. memory is 16.1GB.
[2024-11-13 15:56:08,659 INFO L158 Benchmark]: Witness Printer took 318.78ms. Allocated memory is still 226.5MB. Free memory was 103.9MB in the beginning and 83.0MB in the end (delta: 21.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2024-11-13 15:56:08,660 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.56ms. Allocated memory is still 167.8MB. Free memory is still 105.1MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 1371.72ms. Allocated memory is still 167.8MB. Free memory was 124.8MB in the beginning and 65.5MB in the end (delta: 59.3MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 242.15ms. Allocated memory is still 167.8MB. Free memory was 65.5MB in the beginning and 42.2MB in the end (delta: 23.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 369.97ms. Allocated memory is still 167.8MB. Free memory was 42.2MB in the beginning and 82.9MB in the end (delta: -40.7MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB.
* RCFGBuilder took 4143.64ms. Allocated memory was 167.8MB in the beginning and 402.7MB in the end (delta: 234.9MB). Free memory was 82.9MB in the beginning and 272.9MB in the end (delta: -190.0MB). Peak memory consumption was 59.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 86133.58ms. Allocated memory was 402.7MB in the beginning and 226.5MB in the end (delta: -176.2MB). Free memory was 271.8MB in the beginning and 103.9MB in the end (delta: 167.8MB). Peak memory consumption was 722.6MB. Max. memory is 16.1GB.
* Witness Printer took 318.78ms. Allocated memory is still 226.5MB. Free memory was 103.9MB in the beginning and 83.0MB 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: 161]: 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, 396 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 84.1s, OverallIterations: 23, TraceHistogramMax: 12, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.6s, AutomataDifference: 42.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4703 SdHoareTripleChecker+Valid, 39.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4703 mSDsluCounter, 6722 SdHoareTripleChecker+Invalid, 32.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 341 mSDsCounter, 3099 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 21041 IncrementalHoareTripleChecker+Invalid, 24140 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3099 mSolverCounterUnsat, 6381 mSDtfsCounter, 21041 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2174 GetRequests, 2132 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16125occurred in iteration=16, InterpolantAutomatonStates: 79, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.3s AutomataMinimizationTime, 23 MinimizatonAttempts, 6255 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.9s SsaConstructionTime, 2.4s SatisfiabilityAnalysisTime, 30.0s InterpolantComputationTime, 21606 NumberOfCodeBlocks, 21606 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 21581 ConstructedInterpolants, 0 QuantifiedInterpolants, 48594 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2405 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 25 InterpolantComputations, 23 PerfectInterpolantSequences, 50144/50306 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: 1783]: Loop Invariant
Derived loop invariant: (((((((((((((((((a16 == 9) && (7 == a12)) || (((a16 == 9) && (a12 == 8)) && (((long long) a18 + 156) <= 0))) || (((a16 == 10) && (a12 == 8)) && (a15 == 3))) || (((a16 == 9) && (a12 == 8)) && (27 <= a18))) || (((0 <= ((long long) 87 + a18)) && (a15 <= 3)) && (a12 <= 6))) || ((a12 == 9) && (a16 == 9))) || (((a16 == 9) && (a12 == 8)) && (a15 != 3))) || ((a16 == 8) && (7 == a12))) || ((5 == a12) && (a15 == 3))) || ((a15 <= 3) && (7 == a12))) || ((((a16 == 8) && (a12 == 8)) && (((long long) a18 + 156) <= 0)) && (a15 != 3))) || ((a12 == 9) && (a15 <= 3))) || ((a12 == 9) && (a16 == 8))) || (((0 <= ((long long) 87 + a18)) && (a16 == 8)) && (a12 == 8))) || ((a12 <= 6) && (a16 <= 11))) || (((a15 <= 3) && (a12 == 8)) && (11 <= a16)))
RESULT: Ultimate proved your program to be correct!
[2024-11-13 15:56:08,700 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c0bf494e-a177-4252-b48d-7f53e7e69500/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE