./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label04.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version d790fecc
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643531db-1701-4bbc-9e3f-b2440f127daa/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643531db-1701-4bbc-9e3f-b2440f127daa/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643531db-1701-4bbc-9e3f-b2440f127daa/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643531db-1701-4bbc-9e3f-b2440f127daa/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label04.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643531db-1701-4bbc-9e3f-b2440f127daa/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643531db-1701-4bbc-9e3f-b2440f127daa/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f3d87cda29c87bf57e92aba668210746c81813e12063a67a43996181b640be8a
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 08:28:20,991 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 08:28:21,041 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643531db-1701-4bbc-9e3f-b2440f127daa/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-12-02 08:28:21,045 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 08:28:21,046 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 08:28:21,065 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 08:28:21,065 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 08:28:21,066 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 08:28:21,066 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 08:28:21,066 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 08:28:21,066 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 08:28:21,066 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 08:28:21,067 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 08:28:21,067 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 08:28:21,067 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 08:28:21,067 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 08:28:21,067 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-02 08:28:21,067 INFO L153 SettingsManager]: * sizeof long=4
[2024-12-02 08:28:21,067 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-02 08:28:21,067 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-12-02 08:28:21,067 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 08:28:21,068 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 08:28:21,068 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 08:28:21,068 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 08:28:21,068 INFO L153 SettingsManager]: * sizeof long double=12
[2024-12-02 08:28:21,068 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 08:28:21,068 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 08:28:21,068 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 08:28:21,068 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 08:28:21,068 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 08:28:21,068 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 08:28:21,068 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 08:28:21,069 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 08:28:21,069 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 08:28:21,069 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 08:28:21,069 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 08:28:21,069 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 08:28:21,069 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 08:28:21,069 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 08:28:21,069 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 08:28:21,069 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-02 08:28:21,069 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 08:28:21,070 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-12-02 08:28:21,070 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 08:28:21,070 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 08:28:21,070 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 08:28:21,070 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 08:28:21,070 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 08:28:21,070 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_643531db-1701-4bbc-9e3f-b2440f127daa/bin/uautomizer-verify-84ZbGMXZE1
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f3d87cda29c87bf57e92aba668210746c81813e12063a67a43996181b640be8a
[2024-12-02 08:28:21,262 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 08:28:21,268 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 08:28:21,270 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 08:28:21,271 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 08:28:21,272 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 08:28:21,273 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643531db-1701-4bbc-9e3f-b2440f127daa/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/eca-rers2012/Problem01_label04.c
[2024-12-02 08:28:23,864 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643531db-1701-4bbc-9e3f-b2440f127daa/bin/uautomizer-verify-84ZbGMXZE1/data/75929b692/70de897e9f814481b27233e520351ba4/FLAGe8b8e6ad2
[2024-12-02 08:28:24,148 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 08:28:24,148 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643531db-1701-4bbc-9e3f-b2440f127daa/sv-benchmarks/c/eca-rers2012/Problem01_label04.c
[2024-12-02 08:28:24,158 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643531db-1701-4bbc-9e3f-b2440f127daa/bin/uautomizer-verify-84ZbGMXZE1/data/75929b692/70de897e9f814481b27233e520351ba4/FLAGe8b8e6ad2
[2024-12-02 08:28:24,460 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643531db-1701-4bbc-9e3f-b2440f127daa/bin/uautomizer-verify-84ZbGMXZE1/data/75929b692/70de897e9f814481b27233e520351ba4
[2024-12-02 08:28:24,462 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 08:28:24,464 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 08:28:24,464 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 08:28:24,465 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 08:28:24,467 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 08:28:24,468 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:28:24" (1/1) ...
[2024-12-02 08:28:24,468 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50d20237 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:28:24, skipping insertion in model container
[2024-12-02 08:28:24,469 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:28:24" (1/1) ...
[2024-12-02 08:28:24,496 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 08:28:24,705 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_643531db-1701-4bbc-9e3f-b2440f127daa/sv-benchmarks/c/eca-rers2012/Problem01_label04.c[17486,17499]
[2024-12-02 08:28:24,729 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 08:28:24,737 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 08:28:24,793 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_643531db-1701-4bbc-9e3f-b2440f127daa/sv-benchmarks/c/eca-rers2012/Problem01_label04.c[17486,17499]
[2024-12-02 08:28:24,805 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 08:28:24,816 INFO L204 MainTranslator]: Completed translation
[2024-12-02 08:28:24,816 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:28:24 WrapperNode
[2024-12-02 08:28:24,817 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 08:28:24,817 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 08:28:24,818 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 08:28:24,818 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 08:28:24,823 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:28:24" (1/1) ...
[2024-12-02 08:28:24,835 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:28:24" (1/1) ...
[2024-12-02 08:28:24,873 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 657
[2024-12-02 08:28:24,873 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 08:28:24,874 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 08:28:24,874 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 08:28:24,874 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 08:28:24,883 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:28:24" (1/1) ...
[2024-12-02 08:28:24,883 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:28:24" (1/1) ...
[2024-12-02 08:28:24,887 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:28:24" (1/1) ...
[2024-12-02 08:28:24,904 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-12-02 08:28:24,904 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:28:24" (1/1) ...
[2024-12-02 08:28:24,904 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:28:24" (1/1) ...
[2024-12-02 08:28:24,922 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:28:24" (1/1) ...
[2024-12-02 08:28:24,924 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:28:24" (1/1) ...
[2024-12-02 08:28:24,931 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:28:24" (1/1) ...
[2024-12-02 08:28:24,936 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:28:24" (1/1) ...
[2024-12-02 08:28:24,938 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:28:24" (1/1) ...
[2024-12-02 08:28:24,944 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 08:28:24,945 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 08:28:24,945 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 08:28:24,945 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 08:28:24,946 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:28:24" (1/1) ...
[2024-12-02 08:28:24,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 08:28:24,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643531db-1701-4bbc-9e3f-b2440f127daa/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 08:28:24,971 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643531db-1701-4bbc-9e3f-b2440f127daa/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 08:28:24,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643531db-1701-4bbc-9e3f-b2440f127daa/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 08:28:24,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 08:28:24,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-02 08:28:24,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 08:28:24,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 08:28:25,056 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 08:28:25,057 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 08:28:25,921 INFO L? ?]: Removed 75 outVars from TransFormulas that were not future-live.
[2024-12-02 08:28:25,921 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 08:28:25,934 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 08:28:25,934 INFO L312 CfgBuilder]: Removed 2 assume(true) statements.
[2024-12-02 08:28:25,934 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:28:25 BoogieIcfgContainer
[2024-12-02 08:28:25,935 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 08:28:25,937 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 08:28:25,937 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 08:28:25,941 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-02 08:28:25,941 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:28:24" (1/3) ...
[2024-12-02 08:28:25,942 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29217189 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:28:25, skipping insertion in model container
[2024-12-02 08:28:25,942 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:28:24" (2/3) ...
[2024-12-02 08:28:25,942 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29217189 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:28:25, skipping insertion in model container
[2024-12-02 08:28:25,942 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:28:25" (3/3) ...
[2024-12-02 08:28:25,943 INFO L128 eAbstractionObserver]: Analyzing ICFG Problem01_label04.c
[2024-12-02 08:28:25,959 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 08:28:25,960 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG Problem01_label04.c that has 1 procedures, 198 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-12-02 08:28:26,017 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 08:28:26,029 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;@d4393e5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 08:28:26,029 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-12-02 08:28:26,033 INFO L276 IsEmpty]: Start isEmpty. Operand has 198 states, 196 states have (on average 1.6683673469387754) internal successors, (327), 197 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:28:26,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97
[2024-12-02 08:28:26,042 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 08:28:26,042 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 08:28:26,043 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 08:28:26,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:28:26,047 INFO L85 PathProgramCache]: Analyzing trace with hash 857742575, now seen corresponding path program 1 times
[2024-12-02 08:28:26,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 08:28:26,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437317596]
[2024-12-02 08:28:26,053 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:28:26,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:28:26,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 08:28:26,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 08:28:26,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 08:28:26,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437317596]
[2024-12-02 08:28:26,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437317596] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 08:28:26,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 08:28:26,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 08:28:26,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942947236]
[2024-12-02 08:28:26,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 08:28:26,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 08:28:26,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 08:28:26,468 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 08:28:26,468 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 08:28:26,470 INFO L87 Difference]: Start difference. First operand has 198 states, 196 states have (on average 1.6683673469387754) internal successors, (327), 197 states have internal predecessors, (327), 0 states have call successors, (0), 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 32.0) internal successors, (96), 2 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:28:27,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 08:28:27,140 INFO L93 Difference]: Finished difference Result 528 states and 915 transitions.
[2024-12-02 08:28:27,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 08:28:27,142 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 2 states have internal predecessors, (96), 0 states have call successors, (0), 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 96
[2024-12-02 08:28:27,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 08:28:27,149 INFO L225 Difference]: With dead ends: 528
[2024-12-02 08:28:27,149 INFO L226 Difference]: Without dead ends: 266
[2024-12-02 08:28:27,152 INFO L434 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
[2024-12-02 08:28:27,154 INFO L435 NwaCegarLoop]: 58 mSDtfsCounter, 89 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 388 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 518 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-12-02 08:28:27,155 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 66 Invalid, 518 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 388 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-12-02 08:28:27,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states.
[2024-12-02 08:28:27,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266.
[2024-12-02 08:28:27,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 265 states have (on average 1.4339622641509433) internal successors, (380), 265 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)
[2024-12-02 08:28:27,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 380 transitions.
[2024-12-02 08:28:27,191 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 380 transitions. Word has length 96
[2024-12-02 08:28:27,191 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 08:28:27,191 INFO L471 AbstractCegarLoop]: Abstraction has 266 states and 380 transitions.
[2024-12-02 08:28:27,191 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 2 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:28:27,192 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 380 transitions.
[2024-12-02 08:28:27,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102
[2024-12-02 08:28:27,193 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 08:28:27,194 INFO L218 NwaCegarLoop]: trace histogram [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]
[2024-12-02 08:28:27,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-02 08:28:27,194 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 08:28:27,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:28:27,195 INFO L85 PathProgramCache]: Analyzing trace with hash 2104593095, now seen corresponding path program 1 times
[2024-12-02 08:28:27,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 08:28:27,195 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096327709]
[2024-12-02 08:28:27,195 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:28:27,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:28:27,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 08:28:27,326 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 08:28:27,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 08:28:27,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096327709]
[2024-12-02 08:28:27,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096327709] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 08:28:27,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 08:28:27,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 08:28:27,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436170214]
[2024-12-02 08:28:27,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 08:28:27,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 08:28:27,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 08:28:27,329 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 08:28:27,329 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 08:28:27,329 INFO L87 Difference]: Start difference. First operand 266 states and 380 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 2 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:28:27,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 08:28:27,739 INFO L93 Difference]: Finished difference Result 792 states and 1135 transitions.
[2024-12-02 08:28:27,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 08:28:27,739 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 2 states have internal predecessors, (101), 0 states have call successors, (0), 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 101
[2024-12-02 08:28:27,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 08:28:27,742 INFO L225 Difference]: With dead ends: 792
[2024-12-02 08:28:27,742 INFO L226 Difference]: Without dead ends: 528
[2024-12-02 08:28:27,743 INFO L434 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
[2024-12-02 08:28:27,743 INFO L435 NwaCegarLoop]: 25 mSDtfsCounter, 172 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 310 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 392 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-12-02 08:28:27,744 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 29 Invalid, 392 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 310 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-12-02 08:28:27,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states.
[2024-12-02 08:28:27,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 528.
[2024-12-02 08:28:27,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 528 states, 527 states have (on average 1.3681214421252372) internal successors, (721), 527 states have internal predecessors, (721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:28:27,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 721 transitions.
[2024-12-02 08:28:27,772 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 721 transitions. Word has length 101
[2024-12-02 08:28:27,772 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 08:28:27,772 INFO L471 AbstractCegarLoop]: Abstraction has 528 states and 721 transitions.
[2024-12-02 08:28:27,772 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 2 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:28:27,772 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 721 transitions.
[2024-12-02 08:28:27,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106
[2024-12-02 08:28:27,775 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 08:28:27,776 INFO L218 NwaCegarLoop]: trace histogram [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]
[2024-12-02 08:28:27,776 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-02 08:28:27,776 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 08:28:27,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:28:27,777 INFO L85 PathProgramCache]: Analyzing trace with hash -1234609091, now seen corresponding path program 1 times
[2024-12-02 08:28:27,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 08:28:27,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139827008]
[2024-12-02 08:28:27,777 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:28:27,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:28:27,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 08:28:27,927 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 08:28:27,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 08:28:27,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139827008]
[2024-12-02 08:28:27,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139827008] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 08:28:27,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 08:28:27,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 08:28:27,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137912931]
[2024-12-02 08:28:27,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 08:28:27,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 08:28:27,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 08:28:27,929 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 08:28:27,929 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 08:28:27,930 INFO L87 Difference]: Start difference. First operand 528 states and 721 transitions. Second operand has 3 states, 3 states have (on average 35.0) internal successors, (105), 2 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:28:28,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 08:28:28,301 INFO L93 Difference]: Finished difference Result 1447 states and 1979 transitions.
[2024-12-02 08:28:28,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 08:28:28,302 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 2 states have internal predecessors, (105), 0 states have call successors, (0), 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 105
[2024-12-02 08:28:28,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 08:28:28,305 INFO L225 Difference]: With dead ends: 1447
[2024-12-02 08:28:28,306 INFO L226 Difference]: Without dead ends: 921
[2024-12-02 08:28:28,306 INFO L434 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
[2024-12-02 08:28:28,307 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 140 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 328 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 419 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 328 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-12-02 08:28:28,308 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 19 Invalid, 419 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 328 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-12-02 08:28:28,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 921 states.
[2024-12-02 08:28:28,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 921 to 921.
[2024-12-02 08:28:28,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 921 states, 920 states have (on average 1.3413043478260869) internal successors, (1234), 920 states have internal predecessors, (1234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:28:28,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 921 states and 1234 transitions.
[2024-12-02 08:28:28,333 INFO L78 Accepts]: Start accepts. Automaton has 921 states and 1234 transitions. Word has length 105
[2024-12-02 08:28:28,333 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 08:28:28,333 INFO L471 AbstractCegarLoop]: Abstraction has 921 states and 1234 transitions.
[2024-12-02 08:28:28,333 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 2 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:28:28,333 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1234 transitions.
[2024-12-02 08:28:28,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112
[2024-12-02 08:28:28,336 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 08:28:28,336 INFO L218 NwaCegarLoop]: trace histogram [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]
[2024-12-02 08:28:28,337 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-12-02 08:28:28,337 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 08:28:28,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:28:28,337 INFO L85 PathProgramCache]: Analyzing trace with hash 1833249902, now seen corresponding path program 1 times
[2024-12-02 08:28:28,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 08:28:28,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708202194]
[2024-12-02 08:28:28,338 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:28:28,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:28:28,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 08:28:28,539 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 08:28:28,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 08:28:28,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708202194]
[2024-12-02 08:28:28,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708202194] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 08:28:28,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 08:28:28,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 08:28:28,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2043847638]
[2024-12-02 08:28:28,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 08:28:28,540 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 08:28:28,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 08:28:28,540 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 08:28:28,540 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 08:28:28,541 INFO L87 Difference]: Start difference. First operand 921 states and 1234 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 2 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:28:28,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 08:28:28,916 INFO L93 Difference]: Finished difference Result 2233 states and 2955 transitions.
[2024-12-02 08:28:28,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 08:28:28,917 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 2 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 111
[2024-12-02 08:28:28,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 08:28:28,921 INFO L225 Difference]: With dead ends: 2233
[2024-12-02 08:28:28,922 INFO L226 Difference]: Without dead ends: 1314
[2024-12-02 08:28:28,923 INFO L434 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
[2024-12-02 08:28:28,924 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 122 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 320 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 320 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-12-02 08:28:28,924 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 56 Invalid, 371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 320 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-12-02 08:28:28,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1314 states.
[2024-12-02 08:28:28,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1314 to 1183.
[2024-12-02 08:28:28,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1183 states, 1182 states have (on average 1.2961082910321489) internal successors, (1532), 1182 states have internal predecessors, (1532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:28:28,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 1183 states and 1532 transitions.
[2024-12-02 08:28:28,953 INFO L78 Accepts]: Start accepts. Automaton has 1183 states and 1532 transitions. Word has length 111
[2024-12-02 08:28:28,953 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 08:28:28,953 INFO L471 AbstractCegarLoop]: Abstraction has 1183 states and 1532 transitions.
[2024-12-02 08:28:28,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 2 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:28:28,953 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1532 transitions.
[2024-12-02 08:28:28,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113
[2024-12-02 08:28:28,956 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 08:28:28,956 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 08:28:28,956 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-12-02 08:28:28,956 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 08:28:28,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:28:28,957 INFO L85 PathProgramCache]: Analyzing trace with hash 1776099934, now seen corresponding path program 1 times
[2024-12-02 08:28:28,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 08:28:28,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655386420]
[2024-12-02 08:28:28,957 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:28:28,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:28:28,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 08:28:29,126 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2024-12-02 08:28:29,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 08:28:29,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655386420]
[2024-12-02 08:28:29,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655386420] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 08:28:29,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 08:28:29,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 08:28:29,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140163108]
[2024-12-02 08:28:29,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 08:28:29,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 08:28:29,127 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 08:28:29,127 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 08:28:29,127 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 08:28:29,128 INFO L87 Difference]: Start difference. First operand 1183 states and 1532 transitions. Second operand has 3 states, 3 states have (on average 36.0) internal successors, (108), 2 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:28:29,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 08:28:29,505 INFO L93 Difference]: Finished difference Result 2364 states and 3062 transitions.
[2024-12-02 08:28:29,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 08:28:29,505 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 2 states have internal predecessors, (108), 0 states have call successors, (0), 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 112
[2024-12-02 08:28:29,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 08:28:29,510 INFO L225 Difference]: With dead ends: 2364
[2024-12-02 08:28:29,510 INFO L226 Difference]: Without dead ends: 1183
[2024-12-02 08:28:29,511 INFO L434 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
[2024-12-02 08:28:29,512 INFO L435 NwaCegarLoop]: 56 mSDtfsCounter, 131 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 310 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-12-02 08:28:29,512 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 61 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 310 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-12-02 08:28:29,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1183 states.
[2024-12-02 08:28:29,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1183 to 1183.
[2024-12-02 08:28:29,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1183 states, 1182 states have (on average 1.2808798646362098) internal successors, (1514), 1182 states have internal predecessors, (1514), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:28:29,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1183 states to 1183 states and 1514 transitions.
[2024-12-02 08:28:29,539 INFO L78 Accepts]: Start accepts. Automaton has 1183 states and 1514 transitions. Word has length 112
[2024-12-02 08:28:29,539 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 08:28:29,539 INFO L471 AbstractCegarLoop]: Abstraction has 1183 states and 1514 transitions.
[2024-12-02 08:28:29,539 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.0) internal successors, (108), 2 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:28:29,539 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1514 transitions.
[2024-12-02 08:28:29,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116
[2024-12-02 08:28:29,541 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 08:28:29,541 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 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]
[2024-12-02 08:28:29,541 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-12-02 08:28:29,542 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 08:28:29,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:28:29,542 INFO L85 PathProgramCache]: Analyzing trace with hash -793034954, now seen corresponding path program 1 times
[2024-12-02 08:28:29,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 08:28:29,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219454880]
[2024-12-02 08:28:29,542 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:28:29,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:28:29,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 08:28:29,725 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 08:28:29,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 08:28:29,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219454880]
[2024-12-02 08:28:29,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219454880] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 08:28:29,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 08:28:29,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 08:28:29,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276791219]
[2024-12-02 08:28:29,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 08:28:29,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 08:28:29,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 08:28:29,726 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 08:28:29,726 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 08:28:29,727 INFO L87 Difference]: Start difference. First operand 1183 states and 1514 transitions. Second operand has 4 states, 4 states have (on average 28.75) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:28:30,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 08:28:30,320 INFO L93 Difference]: Finished difference Result 2757 states and 3467 transitions.
[2024-12-02 08:28:30,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 08:28:30,321 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115
[2024-12-02 08:28:30,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 08:28:30,324 INFO L225 Difference]: With dead ends: 2757
[2024-12-02 08:28:30,324 INFO L226 Difference]: Without dead ends: 1576
[2024-12-02 08:28:30,326 INFO L434 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
[2024-12-02 08:28:30,327 INFO L435 NwaCegarLoop]: 50 mSDtfsCounter, 380 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 506 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 380 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 578 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 506 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-12-02 08:28:30,327 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [380 Valid, 59 Invalid, 578 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 506 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-12-02 08:28:30,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1576 states.
[2024-12-02 08:28:30,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1576 to 1445.
[2024-12-02 08:28:30,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1445 states, 1444 states have (on average 1.2465373961218837) internal successors, (1800), 1444 states have internal predecessors, (1800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:28:30,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1445 states to 1445 states and 1800 transitions.
[2024-12-02 08:28:30,350 INFO L78 Accepts]: Start accepts. Automaton has 1445 states and 1800 transitions. Word has length 115
[2024-12-02 08:28:30,350 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 08:28:30,350 INFO L471 AbstractCegarLoop]: Abstraction has 1445 states and 1800 transitions.
[2024-12-02 08:28:30,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 3 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:28:30,350 INFO L276 IsEmpty]: Start isEmpty. Operand 1445 states and 1800 transitions.
[2024-12-02 08:28:30,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134
[2024-12-02 08:28:30,351 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 08:28:30,352 INFO L218 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 08:28:30,352 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-12-02 08:28:30,352 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 08:28:30,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:28:30,352 INFO L85 PathProgramCache]: Analyzing trace with hash -117909897, now seen corresponding path program 1 times
[2024-12-02 08:28:30,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 08:28:30,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037271487]
[2024-12-02 08:28:30,352 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:28:30,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:28:30,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 08:28:30,479 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked.
[2024-12-02 08:28:30,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 08:28:30,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037271487]
[2024-12-02 08:28:30,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037271487] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 08:28:30,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 08:28:30,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 08:28:30,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543068203]
[2024-12-02 08:28:30,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 08:28:30,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 08:28:30,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 08:28:30,480 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 08:28:30,480 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 08:28:30,480 INFO L87 Difference]: Start difference. First operand 1445 states and 1800 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 2 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:28:30,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 08:28:30,857 INFO L93 Difference]: Finished difference Result 1709 states and 2111 transitions.
[2024-12-02 08:28:30,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 08:28:30,857 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 2 states have internal predecessors, (98), 0 states have call successors, (0), 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 133
[2024-12-02 08:28:30,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 08:28:30,865 INFO L225 Difference]: With dead ends: 1709
[2024-12-02 08:28:30,865 INFO L226 Difference]: Without dead ends: 1707
[2024-12-02 08:28:30,865 INFO L434 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
[2024-12-02 08:28:30,866 INFO L435 NwaCegarLoop]: 26 mSDtfsCounter, 58 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 341 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 341 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-12-02 08:28:30,867 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 31 Invalid, 369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 341 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-12-02 08:28:30,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1707 states.
[2024-12-02 08:28:30,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1707 to 1445.
[2024-12-02 08:28:30,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1445 states, 1444 states have (on average 1.2458448753462603) internal successors, (1799), 1444 states have internal predecessors, (1799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:28:30,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1445 states to 1445 states and 1799 transitions.
[2024-12-02 08:28:30,910 INFO L78 Accepts]: Start accepts. Automaton has 1445 states and 1799 transitions. Word has length 133
[2024-12-02 08:28:30,910 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 08:28:30,910 INFO L471 AbstractCegarLoop]: Abstraction has 1445 states and 1799 transitions.
[2024-12-02 08:28:30,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 2 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:28:30,910 INFO L276 IsEmpty]: Start isEmpty. Operand 1445 states and 1799 transitions.
[2024-12-02 08:28:30,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189
[2024-12-02 08:28:30,915 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 08:28:30,915 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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]
[2024-12-02 08:28:30,915 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-12-02 08:28:30,915 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 08:28:30,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:28:30,916 INFO L85 PathProgramCache]: Analyzing trace with hash 876715263, now seen corresponding path program 1 times
[2024-12-02 08:28:30,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 08:28:30,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1569439003]
[2024-12-02 08:28:30,916 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:28:30,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:28:30,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 08:28:31,157 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked.
[2024-12-02 08:28:31,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 08:28:31,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1569439003]
[2024-12-02 08:28:31,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1569439003] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 08:28:31,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 08:28:31,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 08:28:31,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378196810]
[2024-12-02 08:28:31,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 08:28:31,159 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 08:28:31,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 08:28:31,159 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 08:28:31,159 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-12-02 08:28:31,159 INFO L87 Difference]: Start difference. First operand 1445 states and 1799 transitions. Second operand has 4 states, 4 states have (on average 36.5) internal successors, (146), 3 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:28:31,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 08:28:31,810 INFO L93 Difference]: Finished difference Result 3281 states and 4085 transitions.
[2024-12-02 08:28:31,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 08:28:31,810 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 36.5) internal successors, (146), 3 states have internal predecessors, (146), 0 states have call successors, (0), 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 188
[2024-12-02 08:28:31,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 08:28:31,815 INFO L225 Difference]: With dead ends: 3281
[2024-12-02 08:28:31,815 INFO L226 Difference]: Without dead ends: 1838
[2024-12-02 08:28:31,817 INFO L434 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
[2024-12-02 08:28:31,817 INFO L435 NwaCegarLoop]: 48 mSDtfsCounter, 225 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 700 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 225 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 802 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 700 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-12-02 08:28:31,818 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [225 Valid, 58 Invalid, 802 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 700 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-12-02 08:28:31,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1838 states.
[2024-12-02 08:28:31,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1838 to 1707.
[2024-12-02 08:28:31,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1707 states, 1706 states have (on average 1.194021101992966) internal successors, (2037), 1706 states have internal predecessors, (2037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:28:31,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 1707 states and 2037 transitions.
[2024-12-02 08:28:31,853 INFO L78 Accepts]: Start accepts. Automaton has 1707 states and 2037 transitions. Word has length 188
[2024-12-02 08:28:31,853 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 08:28:31,853 INFO L471 AbstractCegarLoop]: Abstraction has 1707 states and 2037 transitions.
[2024-12-02 08:28:31,853 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 36.5) internal successors, (146), 3 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:28:31,853 INFO L276 IsEmpty]: Start isEmpty. Operand 1707 states and 2037 transitions.
[2024-12-02 08:28:31,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202
[2024-12-02 08:28:31,857 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 08:28:31,857 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 08:28:31,857 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-12-02 08:28:31,857 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 08:28:31,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:28:31,858 INFO L85 PathProgramCache]: Analyzing trace with hash -1605740864, now seen corresponding path program 1 times
[2024-12-02 08:28:31,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 08:28:31,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536328720]
[2024-12-02 08:28:31,858 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:28:31,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:28:31,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 08:28:32,178 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 138 proven. 11 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked.
[2024-12-02 08:28:32,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 08:28:32,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536328720]
[2024-12-02 08:28:32,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536328720] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 08:28:32,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2090850318]
[2024-12-02 08:28:32,178 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:28:32,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 08:28:32,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643531db-1701-4bbc-9e3f-b2440f127daa/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 08:28:32,181 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643531db-1701-4bbc-9e3f-b2440f127daa/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 08:28:32,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643531db-1701-4bbc-9e3f-b2440f127daa/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-12-02 08:28:32,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 08:28:32,332 INFO L256 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-12-02 08:28:32,339 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 08:28:32,541 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked.
[2024-12-02 08:28:32,541 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 08:28:32,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2090850318] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 08:28:32,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-02 08:28:32,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5
[2024-12-02 08:28:32,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005261111]
[2024-12-02 08:28:32,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 08:28:32,542 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 08:28:32,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 08:28:32,543 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 08:28:32,543 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 08:28:32,543 INFO L87 Difference]: Start difference. First operand 1707 states and 2037 transitions. Second operand has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:28:32,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 08:28:32,901 INFO L93 Difference]: Finished difference Result 3410 states and 4071 transitions.
[2024-12-02 08:28:32,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 08:28:32,902 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 0 states have call successors, (0), 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 201
[2024-12-02 08:28:32,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 08:28:32,902 INFO L225 Difference]: With dead ends: 3410
[2024-12-02 08:28:32,902 INFO L226 Difference]: Without dead ends: 0
[2024-12-02 08:28:32,905 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 08:28:32,905 INFO L435 NwaCegarLoop]: 185 mSDtfsCounter, 42 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 343 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 367 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 343 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-12-02 08:28:32,906 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 190 Invalid, 367 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 343 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-12-02 08:28:32,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-12-02 08:28:32,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-12-02 08:28:32,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:28:32,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-12-02 08:28:32,907 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 201
[2024-12-02 08:28:32,907 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 08:28:32,907 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-12-02 08:28:32,907 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 49.0) internal successors, (147), 3 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:28:32,907 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-12-02 08:28:32,907 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-12-02 08:28:32,909 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-12-02 08:28:32,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643531db-1701-4bbc-9e3f-b2440f127daa/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-12-02 08:28:33,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643531db-1701-4bbc-9e3f-b2440f127daa/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 08:28:33,113 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 08:28:33,115 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-12-02 08:28:33,269 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-12-02 08:28:33,281 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 08:28:33 BoogieIcfgContainer
[2024-12-02 08:28:33,281 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-02 08:28:33,282 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 08:28:33,282 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-02 08:28:33,282 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-02 08:28:33,283 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:28:25" (3/4) ...
[2024-12-02 08:28:33,285 INFO L146 WitnessPrinter]: Generating witness for correct program
[2024-12-02 08:28:33,298 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges
[2024-12-02 08:28:33,298 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2024-12-02 08:28:33,299 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-12-02 08:28:33,300 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-12-02 08:28:33,404 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643531db-1701-4bbc-9e3f-b2440f127daa/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml
[2024-12-02 08:28:33,405 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643531db-1701-4bbc-9e3f-b2440f127daa/bin/uautomizer-verify-84ZbGMXZE1/witness.yml
[2024-12-02 08:28:33,405 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 08:28:33,406 INFO L158 Benchmark]: Toolchain (without parser) took 8941.94ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 91.3MB in the beginning and 103.9MB in the end (delta: -12.6MB). Peak memory consumption was 107.7MB. Max. memory is 16.1GB.
[2024-12-02 08:28:33,406 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 08:28:33,406 INFO L158 Benchmark]: CACSL2BoogieTranslator took 352.48ms. Allocated memory is still 117.4MB. Free memory was 91.1MB in the beginning and 64.2MB in the end (delta: 27.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2024-12-02 08:28:33,406 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.14ms. Allocated memory is still 117.4MB. Free memory was 64.2MB in the beginning and 58.9MB in the end (delta: 5.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 08:28:33,406 INFO L158 Benchmark]: Boogie Preprocessor took 70.09ms. Allocated memory is still 117.4MB. Free memory was 58.9MB in the beginning and 53.9MB in the end (delta: 5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 08:28:33,407 INFO L158 Benchmark]: RCFGBuilder took 990.02ms. Allocated memory was 117.4MB in the beginning and 192.9MB in the end (delta: 75.5MB). Free memory was 53.9MB in the beginning and 146.9MB in the end (delta: -93.0MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB.
[2024-12-02 08:28:33,407 INFO L158 Benchmark]: TraceAbstraction took 7344.91ms. Allocated memory was 192.9MB in the beginning and 234.9MB in the end (delta: 41.9MB). Free memory was 146.2MB in the beginning and 115.5MB in the end (delta: 30.7MB). Peak memory consumption was 72.6MB. Max. memory is 16.1GB.
[2024-12-02 08:28:33,407 INFO L158 Benchmark]: Witness Printer took 122.81ms. Allocated memory is still 234.9MB. Free memory was 115.5MB in the beginning and 103.9MB in the end (delta: 11.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 08:28:33,409 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.24ms. Allocated memory is still 117.4MB. Free memory is still 72.7MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 352.48ms. Allocated memory is still 117.4MB. Free memory was 91.1MB in the beginning and 64.2MB in the end (delta: 27.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 56.14ms. Allocated memory is still 117.4MB. Free memory was 64.2MB in the beginning and 58.9MB in the end (delta: 5.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 70.09ms. Allocated memory is still 117.4MB. Free memory was 58.9MB in the beginning and 53.9MB in the end (delta: 5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* RCFGBuilder took 990.02ms. Allocated memory was 117.4MB in the beginning and 192.9MB in the end (delta: 75.5MB). Free memory was 53.9MB in the beginning and 146.9MB in the end (delta: -93.0MB). Peak memory consumption was 32.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 7344.91ms. Allocated memory was 192.9MB in the beginning and 234.9MB in the end (delta: 41.9MB). Free memory was 146.2MB in the beginning and 115.5MB in the end (delta: 30.7MB). Peak memory consumption was 72.6MB. Max. memory is 16.1GB.
* Witness Printer took 122.81ms. Allocated memory is still 234.9MB. Free memory was 115.5MB in the beginning and 103.9MB in the end (delta: 11.5MB). Peak memory consumption was 16.8MB. 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: 474]: 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, 198 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.1s, OverallIterations: 9, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1359 SdHoareTripleChecker+Valid, 3.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1359 mSDsluCounter, 569 SdHoareTripleChecker+Invalid, 3.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 56 mSDsCounter, 624 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3546 IncrementalHoareTripleChecker+Invalid, 4170 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 624 mSolverCounterUnsat, 513 mSDtfsCounter, 3546 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 222 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1707occurred in iteration=8, InterpolantAutomatonStates: 29, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 655 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 1363 NumberOfCodeBlocks, 1363 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1353 ConstructedInterpolants, 0 QuantifiedInterpolants, 2854 SizeOfPredicates, 0 NumberOfNonLiveVariables, 408 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 10 InterpolantComputations, 9 PerfectInterpolantSequences, 699/710 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
- InvariantResult [Line: 593]: Loop Invariant
Derived loop invariant: ((((((a21 == 1) && (a16 <= 5)) || (((a21 == 1) && (a17 == 1)) && (a20 == 1))) || ((a21 <= 0) && (a20 == 1))) || ((a21 == 1) && (15 <= a8))) || (((a21 <= 0) && (a17 == 1)) && (a16 <= 5)))
RESULT: Ultimate proved your program to be correct!
[2024-12-02 08:28:33,425 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_643531db-1701-4bbc-9e3f-b2440f127daa/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE