./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem03_label10.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_c74848a2-fd6d-4ada-a751-239a7424e73e/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74848a2-fd6d-4ada-a751-239a7424e73e/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_c74848a2-fd6d-4ada-a751-239a7424e73e/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74848a2-fd6d-4ada-a751-239a7424e73e/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74848a2-fd6d-4ada-a751-239a7424e73e/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_c74848a2-fd6d-4ada-a751-239a7424e73e/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 a24fec5150e44d80cd66a293e62312c173f941d5643050e415eb72b0805f56eb
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 07:00:33,669 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 07:00:33,725 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74848a2-fd6d-4ada-a751-239a7424e73e/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-12-02 07:00:33,730 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 07:00:33,731 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 07:00:33,753 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 07:00:33,754 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 07:00:33,754 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 07:00:33,754 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 07:00:33,755 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 07:00:33,755 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 07:00:33,755 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 07:00:33,755 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 07:00:33,755 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 07:00:33,755 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 07:00:33,755 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 07:00:33,756 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-02 07:00:33,756 INFO L153 SettingsManager]: * sizeof long=4
[2024-12-02 07:00:33,756 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-02 07:00:33,756 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-12-02 07:00:33,756 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 07:00:33,756 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 07:00:33,756 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 07:00:33,756 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 07:00:33,756 INFO L153 SettingsManager]: * sizeof long double=12
[2024-12-02 07:00:33,756 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 07:00:33,756 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 07:00:33,756 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 07:00:33,757 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 07:00:33,757 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 07:00:33,757 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 07:00:33,757 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 07:00:33,757 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 07:00:33,757 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 07:00:33,757 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 07:00:33,757 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 07:00:33,757 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 07:00:33,757 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 07:00:33,757 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 07:00:33,757 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 07:00:33,758 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-02 07:00:33,758 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 07:00:33,758 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-12-02 07:00:33,758 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 07:00:33,758 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 07:00:33,758 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 07:00:33,758 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 07:00:33,758 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 07:00:33,758 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_c74848a2-fd6d-4ada-a751-239a7424e73e/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 -> a24fec5150e44d80cd66a293e62312c173f941d5643050e415eb72b0805f56eb
[2024-12-02 07:00:34,022 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 07:00:34,031 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 07:00:34,033 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 07:00:34,035 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 07:00:34,035 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 07:00:34,036 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74848a2-fd6d-4ada-a751-239a7424e73e/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/eca-rers2012/Problem03_label10.c
[2024-12-02 07:00:36,882 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74848a2-fd6d-4ada-a751-239a7424e73e/bin/uautomizer-verify-84ZbGMXZE1/data/4bef1c63d/c009fbfa0e3e48b2a440c9585913e4af/FLAG64de06698
[2024-12-02 07:00:37,157 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 07:00:37,158 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74848a2-fd6d-4ada-a751-239a7424e73e/sv-benchmarks/c/eca-rers2012/Problem03_label10.c
[2024-12-02 07:00:37,172 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74848a2-fd6d-4ada-a751-239a7424e73e/bin/uautomizer-verify-84ZbGMXZE1/data/4bef1c63d/c009fbfa0e3e48b2a440c9585913e4af/FLAG64de06698
[2024-12-02 07:00:37,188 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74848a2-fd6d-4ada-a751-239a7424e73e/bin/uautomizer-verify-84ZbGMXZE1/data/4bef1c63d/c009fbfa0e3e48b2a440c9585913e4af
[2024-12-02 07:00:37,191 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 07:00:37,192 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 07:00:37,194 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 07:00:37,194 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 07:00:37,199 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 07:00:37,200 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:00:37" (1/1) ...
[2024-12-02 07:00:37,200 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d9658d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:00:37, skipping insertion in model container
[2024-12-02 07:00:37,201 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:00:37" (1/1) ...
[2024-12-02 07:00:37,250 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 07:00:37,795 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_c74848a2-fd6d-4ada-a751-239a7424e73e/sv-benchmarks/c/eca-rers2012/Problem03_label10.c[58665,58678]
[2024-12-02 07:00:37,829 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 07:00:37,840 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 07:00:38,059 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_c74848a2-fd6d-4ada-a751-239a7424e73e/sv-benchmarks/c/eca-rers2012/Problem03_label10.c[58665,58678]
[2024-12-02 07:00:38,073 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 07:00:38,091 INFO L204 MainTranslator]: Completed translation
[2024-12-02 07:00:38,092 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:00:38 WrapperNode
[2024-12-02 07:00:38,092 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 07:00:38,093 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 07:00:38,093 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 07:00:38,093 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 07:00:38,100 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:00:38" (1/1) ...
[2024-12-02 07:00:38,123 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:00:38" (1/1) ...
[2024-12-02 07:00:38,211 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1771
[2024-12-02 07:00:38,211 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 07:00:38,212 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 07:00:38,212 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 07:00:38,212 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 07:00:38,223 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:00:38" (1/1) ...
[2024-12-02 07:00:38,223 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:00:38" (1/1) ...
[2024-12-02 07:00:38,237 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:00:38" (1/1) ...
[2024-12-02 07:00:38,264 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 07:00:38,264 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:00:38" (1/1) ...
[2024-12-02 07:00:38,264 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:00:38" (1/1) ...
[2024-12-02 07:00:38,303 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:00:38" (1/1) ...
[2024-12-02 07:00:38,306 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:00:38" (1/1) ...
[2024-12-02 07:00:38,315 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:00:38" (1/1) ...
[2024-12-02 07:00:38,323 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:00:38" (1/1) ...
[2024-12-02 07:00:38,329 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:00:38" (1/1) ...
[2024-12-02 07:00:38,341 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 07:00:38,341 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 07:00:38,342 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 07:00:38,342 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 07:00:38,343 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:00:38" (1/1) ...
[2024-12-02 07:00:38,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 07:00:38,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74848a2-fd6d-4ada-a751-239a7424e73e/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 07:00:38,371 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74848a2-fd6d-4ada-a751-239a7424e73e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 07:00:38,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74848a2-fd6d-4ada-a751-239a7424e73e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 07:00:38,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 07:00:38,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-02 07:00:38,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 07:00:38,397 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 07:00:38,472 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 07:00:38,474 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 07:00:40,481 INFO L? ?]: Removed 147 outVars from TransFormulas that were not future-live.
[2024-12-02 07:00:40,481 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 07:00:40,500 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 07:00:40,501 INFO L312 CfgBuilder]: Removed 2 assume(true) statements.
[2024-12-02 07:00:40,501 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:00:40 BoogieIcfgContainer
[2024-12-02 07:00:40,501 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 07:00:40,504 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 07:00:40,504 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 07:00:40,509 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-02 07:00:40,509 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:00:37" (1/3) ...
[2024-12-02 07:00:40,510 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54e8b9a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:00:40, skipping insertion in model container
[2024-12-02 07:00:40,510 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:00:38" (2/3) ...
[2024-12-02 07:00:40,510 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54e8b9a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:00:40, skipping insertion in model container
[2024-12-02 07:00:40,510 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:00:40" (3/3) ...
[2024-12-02 07:00:40,512 INFO L128 eAbstractionObserver]: Analyzing ICFG Problem03_label10.c
[2024-12-02 07:00:40,530 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 07:00:40,533 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG Problem03_label10.c that has 1 procedures, 302 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-12-02 07:00:40,615 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 07:00:40,630 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;@dc65e3c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 07:00:40,630 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-12-02 07:00:40,635 INFO L276 IsEmpty]: Start isEmpty. Operand has 302 states, 300 states have (on average 1.73) internal successors, (519), 301 states have internal predecessors, (519), 0 states have call successors, (0), 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 07:00:40,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182
[2024-12-02 07:00:40,650 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 07:00:40,651 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:00:40,651 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 07:00:40,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:00:40,657 INFO L85 PathProgramCache]: Analyzing trace with hash 991324555, now seen corresponding path program 1 times
[2024-12-02 07:00:40,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:00:40,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554780896]
[2024-12-02 07:00:40,667 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:00:40,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:00:40,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:00:41,447 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 07:00:41,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:00:41,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554780896]
[2024-12-02 07:00:41,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554780896] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:00:41,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:00:41,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 07:00:41,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494790914]
[2024-12-02 07:00:41,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:00:41,455 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 07:00:41,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:00:41,474 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 07:00:41,475 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:00:41,478 INFO L87 Difference]: Start difference. First operand has 302 states, 300 states have (on average 1.73) internal successors, (519), 301 states have internal predecessors, (519), 0 states have call successors, (0), 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 60.333333333333336) internal successors, (181), 2 states have internal predecessors, (181), 0 states have call successors, (0), 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 07:00:42,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:00:42,525 INFO L93 Difference]: Finished difference Result 855 states and 1496 transitions.
[2024-12-02 07:00:42,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 07:00:42,527 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 2 states have internal predecessors, (181), 0 states have call successors, (0), 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 181
[2024-12-02 07:00:42,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:00:42,537 INFO L225 Difference]: With dead ends: 855
[2024-12-02 07:00:42,537 INFO L226 Difference]: Without dead ends: 460
[2024-12-02 07:00:42,541 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 07:00:42,544 INFO L435 NwaCegarLoop]: 140 mSDtfsCounter, 115 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 713 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 822 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2024-12-02 07:00:42,544 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 176 Invalid, 822 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 713 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2024-12-02 07:00:42,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states.
[2024-12-02 07:00:42,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 459.
[2024-12-02 07:00:42,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459 states, 458 states have (on average 1.5502183406113537) internal successors, (710), 458 states have internal predecessors, (710), 0 states have call successors, (0), 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 07:00:42,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 710 transitions.
[2024-12-02 07:00:42,601 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 710 transitions. Word has length 181
[2024-12-02 07:00:42,602 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:00:42,602 INFO L471 AbstractCegarLoop]: Abstraction has 459 states and 710 transitions.
[2024-12-02 07:00:42,602 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.333333333333336) internal successors, (181), 2 states have internal predecessors, (181), 0 states have call successors, (0), 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 07:00:42,602 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 710 transitions.
[2024-12-02 07:00:42,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187
[2024-12-02 07:00:42,606 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 07:00:42,606 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:00:42,606 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-02 07:00:42,606 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 07:00:42,607 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:00:42,607 INFO L85 PathProgramCache]: Analyzing trace with hash 2021835451, now seen corresponding path program 1 times
[2024-12-02 07:00:42,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:00:42,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938654570]
[2024-12-02 07:00:42,608 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:00:42,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:00:42,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:00:42,926 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 07:00:42,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:00:42,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938654570]
[2024-12-02 07:00:42,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938654570] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:00:42,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:00:42,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 07:00:42,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018794603]
[2024-12-02 07:00:42,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:00:42,928 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 07:00:42,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:00:42,929 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 07:00:42,929 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:00:42,929 INFO L87 Difference]: Start difference. First operand 459 states and 710 transitions. Second operand has 3 states, 3 states have (on average 62.0) internal successors, (186), 2 states have internal predecessors, (186), 0 states have call successors, (0), 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 07:00:43,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:00:43,756 INFO L93 Difference]: Finished difference Result 1342 states and 2082 transitions.
[2024-12-02 07:00:43,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 07:00:43,756 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.0) internal successors, (186), 2 states have internal predecessors, (186), 0 states have call successors, (0), 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 186
[2024-12-02 07:00:43,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:00:43,759 INFO L225 Difference]: With dead ends: 1342
[2024-12-02 07:00:43,759 INFO L226 Difference]: Without dead ends: 885
[2024-12-02 07:00:43,760 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 07:00:43,761 INFO L435 NwaCegarLoop]: 146 mSDtfsCounter, 251 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 615 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 181 SdHoareTripleChecker+Invalid, 717 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 615 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2024-12-02 07:00:43,761 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 181 Invalid, 717 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [102 Valid, 615 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2024-12-02 07:00:43,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 885 states.
[2024-12-02 07:00:43,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 885 to 880.
[2024-12-02 07:00:43,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 880 states, 879 states have (on average 1.4687144482366326) internal successors, (1291), 879 states have internal predecessors, (1291), 0 states have call successors, (0), 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 07:00:43,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 880 states and 1291 transitions.
[2024-12-02 07:00:43,791 INFO L78 Accepts]: Start accepts. Automaton has 880 states and 1291 transitions. Word has length 186
[2024-12-02 07:00:43,791 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:00:43,791 INFO L471 AbstractCegarLoop]: Abstraction has 880 states and 1291 transitions.
[2024-12-02 07:00:43,791 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.0) internal successors, (186), 2 states have internal predecessors, (186), 0 states have call successors, (0), 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 07:00:43,791 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 1291 transitions.
[2024-12-02 07:00:43,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190
[2024-12-02 07:00:43,794 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 07:00:43,795 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 07:00:43,795 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-02 07:00:43,795 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 07:00:43,795 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:00:43,796 INFO L85 PathProgramCache]: Analyzing trace with hash -1803921076, now seen corresponding path program 1 times
[2024-12-02 07:00:43,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:00:43,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328158039]
[2024-12-02 07:00:43,796 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:00:43,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:00:43,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:00:43,984 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 07:00:43,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:00:43,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328158039]
[2024-12-02 07:00:43,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328158039] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:00:43,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:00:43,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 07:00:43,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904874095]
[2024-12-02 07:00:43,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:00:43,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 07:00:43,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:00:43,986 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 07:00:43,986 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:00:43,986 INFO L87 Difference]: Start difference. First operand 880 states and 1291 transitions. Second operand has 3 states, 3 states have (on average 63.0) internal successors, (189), 2 states have internal predecessors, (189), 0 states have call successors, (0), 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 07:00:44,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:00:44,879 INFO L93 Difference]: Finished difference Result 2594 states and 3822 transitions.
[2024-12-02 07:00:44,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 07:00:44,880 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.0) internal successors, (189), 2 states have internal predecessors, (189), 0 states have call successors, (0), 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 189
[2024-12-02 07:00:44,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:00:44,891 INFO L225 Difference]: With dead ends: 2594
[2024-12-02 07:00:44,891 INFO L226 Difference]: Without dead ends: 1716
[2024-12-02 07:00:44,892 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 07:00:44,893 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 247 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 779 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 195 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2024-12-02 07:00:44,893 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 92 Invalid, 779 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [195 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2024-12-02 07:00:44,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1716 states.
[2024-12-02 07:00:44,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1716 to 1696.
[2024-12-02 07:00:44,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1696 states, 1695 states have (on average 1.43834808259587) internal successors, (2438), 1695 states have internal predecessors, (2438), 0 states have call successors, (0), 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 07:00:44,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1696 states to 1696 states and 2438 transitions.
[2024-12-02 07:00:44,944 INFO L78 Accepts]: Start accepts. Automaton has 1696 states and 2438 transitions. Word has length 189
[2024-12-02 07:00:44,944 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:00:44,944 INFO L471 AbstractCegarLoop]: Abstraction has 1696 states and 2438 transitions.
[2024-12-02 07:00:44,944 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.0) internal successors, (189), 2 states have internal predecessors, (189), 0 states have call successors, (0), 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 07:00:44,944 INFO L276 IsEmpty]: Start isEmpty. Operand 1696 states and 2438 transitions.
[2024-12-02 07:00:44,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202
[2024-12-02 07:00:44,950 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 07:00:44,950 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:00:44,950 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-12-02 07:00:44,951 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 07:00:44,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:00:44,951 INFO L85 PathProgramCache]: Analyzing trace with hash -1798503547, now seen corresponding path program 1 times
[2024-12-02 07:00:44,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:00:44,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431296395]
[2024-12-02 07:00:44,952 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:00:44,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:00:45,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:00:45,218 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2024-12-02 07:00:45,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:00:45,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431296395]
[2024-12-02 07:00:45,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431296395] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:00:45,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:00:45,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 07:00:45,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177264417]
[2024-12-02 07:00:45,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:00:45,219 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 07:00:45,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:00:45,220 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 07:00:45,220 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:00:45,220 INFO L87 Difference]: Start difference. First operand 1696 states and 2438 transitions. Second operand has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 0 states have call successors, (0), 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 07:00:46,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:00:46,104 INFO L93 Difference]: Finished difference Result 5017 states and 7221 transitions.
[2024-12-02 07:00:46,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 07:00:46,106 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 0 states have call successors, (0), 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 07:00:46,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:00:46,117 INFO L225 Difference]: With dead ends: 5017
[2024-12-02 07:00:46,118 INFO L226 Difference]: Without dead ends: 3323
[2024-12-02 07:00:46,120 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:00:46,121 INFO L435 NwaCegarLoop]: 382 mSDtfsCounter, 236 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 530 mSolverCounterSat, 172 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 410 SdHoareTripleChecker+Invalid, 702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 172 IncrementalHoareTripleChecker+Valid, 530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2024-12-02 07:00:46,122 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 410 Invalid, 702 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [172 Valid, 530 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2024-12-02 07:00:46,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3323 states.
[2024-12-02 07:00:46,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3323 to 3320.
[2024-12-02 07:00:46,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3320 states, 3319 states have (on average 1.2853269056944863) internal successors, (4266), 3319 states have internal predecessors, (4266), 0 states have call successors, (0), 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 07:00:46,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3320 states to 3320 states and 4266 transitions.
[2024-12-02 07:00:46,196 INFO L78 Accepts]: Start accepts. Automaton has 3320 states and 4266 transitions. Word has length 201
[2024-12-02 07:00:46,196 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:00:46,196 INFO L471 AbstractCegarLoop]: Abstraction has 3320 states and 4266 transitions.
[2024-12-02 07:00:46,197 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 3 states have internal predecessors, (196), 0 states have call successors, (0), 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 07:00:46,197 INFO L276 IsEmpty]: Start isEmpty. Operand 3320 states and 4266 transitions.
[2024-12-02 07:00:46,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210
[2024-12-02 07:00:46,202 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 07:00:46,203 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 07:00:46,203 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-12-02 07:00:46,203 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 07:00:46,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:00:46,203 INFO L85 PathProgramCache]: Analyzing trace with hash 559637913, now seen corresponding path program 1 times
[2024-12-02 07:00:46,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:00:46,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880076550]
[2024-12-02 07:00:46,204 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:00:46,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:00:46,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:00:46,575 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2024-12-02 07:00:46,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:00:46,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880076550]
[2024-12-02 07:00:46,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880076550] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:00:46,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:00:46,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 07:00:46,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794888060]
[2024-12-02 07:00:46,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:00:46,576 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 07:00:46,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:00:46,577 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 07:00:46,577 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:00:46,577 INFO L87 Difference]: Start difference. First operand 3320 states and 4266 transitions. Second operand has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 0 states have call successors, (0), 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 07:00:47,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:00:47,468 INFO L93 Difference]: Finished difference Result 8274 states and 10606 transitions.
[2024-12-02 07:00:47,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 07:00:47,469 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 0 states have call successors, (0), 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 209
[2024-12-02 07:00:47,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:00:47,484 INFO L225 Difference]: With dead ends: 8274
[2024-12-02 07:00:47,484 INFO L226 Difference]: Without dead ends: 4956
[2024-12-02 07:00:47,488 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:00:47,488 INFO L435 NwaCegarLoop]: 388 mSDtfsCounter, 214 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 573 mSolverCounterSat, 144 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 409 SdHoareTripleChecker+Invalid, 717 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 144 IncrementalHoareTripleChecker+Valid, 573 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2024-12-02 07:00:47,489 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 409 Invalid, 717 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [144 Valid, 573 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2024-12-02 07:00:47,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4956 states.
[2024-12-02 07:00:47,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4956 to 4944.
[2024-12-02 07:00:47,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4944 states, 4943 states have (on average 1.2413514060287274) internal successors, (6136), 4943 states have internal predecessors, (6136), 0 states have call successors, (0), 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 07:00:47,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4944 states to 4944 states and 6136 transitions.
[2024-12-02 07:00:47,593 INFO L78 Accepts]: Start accepts. Automaton has 4944 states and 6136 transitions. Word has length 209
[2024-12-02 07:00:47,593 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:00:47,593 INFO L471 AbstractCegarLoop]: Abstraction has 4944 states and 6136 transitions.
[2024-12-02 07:00:47,594 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.0) internal successors, (204), 3 states have internal predecessors, (204), 0 states have call successors, (0), 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 07:00:47,594 INFO L276 IsEmpty]: Start isEmpty. Operand 4944 states and 6136 transitions.
[2024-12-02 07:00:47,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217
[2024-12-02 07:00:47,602 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 07:00:47,602 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:00:47,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-12-02 07:00:47,602 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 07:00:47,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:00:47,603 INFO L85 PathProgramCache]: Analyzing trace with hash -683074851, now seen corresponding path program 1 times
[2024-12-02 07:00:47,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:00:47,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412039903]
[2024-12-02 07:00:47,603 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:00:47,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:00:47,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:00:47,938 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2024-12-02 07:00:47,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:00:47,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1412039903]
[2024-12-02 07:00:47,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1412039903] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:00:47,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:00:47,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 07:00:47,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65686842]
[2024-12-02 07:00:47,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:00:47,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 07:00:47,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:00:47,939 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 07:00:47,940 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:00:47,940 INFO L87 Difference]: Start difference. First operand 4944 states and 6136 transitions. Second operand has 3 states, 3 states have (on average 70.33333333333333) internal successors, (211), 3 states have internal predecessors, (211), 0 states have call successors, (0), 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 07:00:48,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:00:48,774 INFO L93 Difference]: Finished difference Result 13757 states and 17027 transitions.
[2024-12-02 07:00:48,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 07:00:48,775 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 70.33333333333333) internal successors, (211), 3 states have internal predecessors, (211), 0 states have call successors, (0), 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 216
[2024-12-02 07:00:48,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:00:48,789 INFO L225 Difference]: With dead ends: 13757
[2024-12-02 07:00:48,789 INFO L226 Difference]: Without dead ends: 8815
[2024-12-02 07:00:48,794 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:00:48,795 INFO L435 NwaCegarLoop]: 395 mSDtfsCounter, 202 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 599 mSolverCounterSat, 137 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 736 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 137 IncrementalHoareTripleChecker+Valid, 599 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2024-12-02 07:00:48,795 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 418 Invalid, 736 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [137 Valid, 599 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2024-12-02 07:00:48,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8815 states.
[2024-12-02 07:00:48,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8815 to 8404.
[2024-12-02 07:00:48,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8404 states, 8403 states have (on average 1.2023086992740688) internal successors, (10103), 8403 states have internal predecessors, (10103), 0 states have call successors, (0), 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 07:00:48,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8404 states to 8404 states and 10103 transitions.
[2024-12-02 07:00:48,950 INFO L78 Accepts]: Start accepts. Automaton has 8404 states and 10103 transitions. Word has length 216
[2024-12-02 07:00:48,951 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:00:48,951 INFO L471 AbstractCegarLoop]: Abstraction has 8404 states and 10103 transitions.
[2024-12-02 07:00:48,951 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 70.33333333333333) internal successors, (211), 3 states have internal predecessors, (211), 0 states have call successors, (0), 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 07:00:48,951 INFO L276 IsEmpty]: Start isEmpty. Operand 8404 states and 10103 transitions.
[2024-12-02 07:00:48,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223
[2024-12-02 07:00:48,967 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 07:00:48,967 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, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 07:00:48,967 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-12-02 07:00:48,967 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 07:00:48,968 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:00:48,968 INFO L85 PathProgramCache]: Analyzing trace with hash 1594295388, now seen corresponding path program 1 times
[2024-12-02 07:00:48,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:00:48,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778836484]
[2024-12-02 07:00:48,968 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:00:48,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:00:49,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:00:49,290 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 07:00:49,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:00:49,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778836484]
[2024-12-02 07:00:49,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778836484] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:00:49,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:00:49,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-02 07:00:49,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269962647]
[2024-12-02 07:00:49,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:00:49,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 07:00:49,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:00:49,292 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 07:00:49,292 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:00:49,293 INFO L87 Difference]: Start difference. First operand 8404 states and 10103 transitions. Second operand has 3 states, 3 states have (on average 74.0) internal successors, (222), 2 states have internal predecessors, (222), 0 states have call successors, (0), 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 07:00:50,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:00:50,088 INFO L93 Difference]: Finished difference Result 21087 states and 25314 transitions.
[2024-12-02 07:00:50,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 07:00:50,088 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 74.0) internal successors, (222), 2 states have internal predecessors, (222), 0 states have call successors, (0), 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 222
[2024-12-02 07:00:50,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:00:50,123 INFO L225 Difference]: With dead ends: 21087
[2024-12-02 07:00:50,123 INFO L226 Difference]: Without dead ends: 12278
[2024-12-02 07:00:50,131 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 07:00:50,132 INFO L435 NwaCegarLoop]: 142 mSDtfsCounter, 201 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 596 mSolverCounterSat, 144 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 740 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 144 IncrementalHoareTripleChecker+Valid, 596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-12-02 07:00:50,132 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 160 Invalid, 740 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [144 Valid, 596 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-12-02 07:00:50,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12278 states.
[2024-12-02 07:00:50,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12278 to 12073.
[2024-12-02 07:00:50,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12073 states, 12072 states have (on average 1.13460901259112) internal successors, (13697), 12072 states have internal predecessors, (13697), 0 states have call successors, (0), 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 07:00:50,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12073 states to 12073 states and 13697 transitions.
[2024-12-02 07:00:50,304 INFO L78 Accepts]: Start accepts. Automaton has 12073 states and 13697 transitions. Word has length 222
[2024-12-02 07:00:50,304 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:00:50,304 INFO L471 AbstractCegarLoop]: Abstraction has 12073 states and 13697 transitions.
[2024-12-02 07:00:50,304 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.0) internal successors, (222), 2 states have internal predecessors, (222), 0 states have call successors, (0), 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 07:00:50,304 INFO L276 IsEmpty]: Start isEmpty. Operand 12073 states and 13697 transitions.
[2024-12-02 07:00:50,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230
[2024-12-02 07:00:50,320 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 07:00:50,321 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:00:50,321 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-12-02 07:00:50,321 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 07:00:50,321 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:00:50,321 INFO L85 PathProgramCache]: Analyzing trace with hash -1099774521, now seen corresponding path program 1 times
[2024-12-02 07:00:50,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:00:50,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819287493]
[2024-12-02 07:00:50,322 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:00:50,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:00:50,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:00:50,868 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 07:00:50,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:00:50,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819287493]
[2024-12-02 07:00:50,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819287493] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 07:00:50,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1582978366]
[2024-12-02 07:00:50,868 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:00:50,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 07:00:50,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74848a2-fd6d-4ada-a751-239a7424e73e/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 07:00:50,871 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74848a2-fd6d-4ada-a751-239a7424e73e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 07:00:50,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74848a2-fd6d-4ada-a751-239a7424e73e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-12-02 07:00:51,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:00:51,056 INFO L256 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-12-02 07:00:51,065 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 07:00:51,304 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2024-12-02 07:00:51,304 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 07:00:51,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1582978366] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:00:51,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-02 07:00:51,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5
[2024-12-02 07:00:51,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482385355]
[2024-12-02 07:00:51,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:00:51,306 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 07:00:51,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:00:51,306 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 07:00:51,306 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 07:00:51,307 INFO L87 Difference]: Start difference. First operand 12073 states and 13697 transitions. Second operand has 3 states, 3 states have (on average 74.66666666666667) internal successors, (224), 3 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:00:51,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:00:51,949 INFO L93 Difference]: Finished difference Result 24147 states and 27397 transitions.
[2024-12-02 07:00:51,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 07:00:51,949 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 74.66666666666667) internal successors, (224), 3 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 229
[2024-12-02 07:00:51,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:00:51,966 INFO L225 Difference]: With dead ends: 24147
[2024-12-02 07:00:51,966 INFO L226 Difference]: Without dead ends: 12076
[2024-12-02 07:00:51,972 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 07:00:51,973 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 97 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 538 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 594 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 538 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-12-02 07:00:51,973 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 95 Invalid, 594 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 538 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-12-02 07:00:51,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12076 states.
[2024-12-02 07:00:52,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12076 to 12073.
[2024-12-02 07:00:52,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12073 states, 12072 states have (on average 1.1297216699801194) internal successors, (13638), 12072 states have internal predecessors, (13638), 0 states have call successors, (0), 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 07:00:52,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12073 states to 12073 states and 13638 transitions.
[2024-12-02 07:00:52,082 INFO L78 Accepts]: Start accepts. Automaton has 12073 states and 13638 transitions. Word has length 229
[2024-12-02 07:00:52,082 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:00:52,082 INFO L471 AbstractCegarLoop]: Abstraction has 12073 states and 13638 transitions.
[2024-12-02 07:00:52,083 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 74.66666666666667) internal successors, (224), 3 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:00:52,083 INFO L276 IsEmpty]: Start isEmpty. Operand 12073 states and 13638 transitions.
[2024-12-02 07:00:52,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233
[2024-12-02 07:00:52,091 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 07:00:52,091 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:00:52,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74848a2-fd6d-4ada-a751-239a7424e73e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-12-02 07:00:52,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74848a2-fd6d-4ada-a751-239a7424e73e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 07:00:52,291 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 07:00:52,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:00:52,292 INFO L85 PathProgramCache]: Analyzing trace with hash -1282583405, now seen corresponding path program 1 times
[2024-12-02 07:00:52,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:00:52,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204407678]
[2024-12-02 07:00:52,292 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:00:52,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:00:52,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:00:52,543 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 56 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked.
[2024-12-02 07:00:52,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:00:52,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204407678]
[2024-12-02 07:00:52,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204407678] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 07:00:52,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1804820211]
[2024-12-02 07:00:52,544 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:00:52,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 07:00:52,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74848a2-fd6d-4ada-a751-239a7424e73e/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 07:00:52,546 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74848a2-fd6d-4ada-a751-239a7424e73e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 07:00:52,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74848a2-fd6d-4ada-a751-239a7424e73e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-12-02 07:00:52,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:00:52,695 INFO L256 TraceCheckSpWp]: Trace formula consists of 467 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-12-02 07:00:52,700 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 07:00:52,763 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked.
[2024-12-02 07:00:52,763 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 07:00:52,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1804820211] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:00:52,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-02 07:00:52,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4
[2024-12-02 07:00:52,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411460471]
[2024-12-02 07:00:52,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:00:52,764 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 07:00:52,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:00:52,764 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 07:00:52,764 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 07:00:52,765 INFO L87 Difference]: Start difference. First operand 12073 states and 13638 transitions. Second operand has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 2 states have internal predecessors, (215), 0 states have call successors, (0), 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 07:00:53,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:00:53,116 INFO L93 Difference]: Finished difference Result 24109 states and 27227 transitions.
[2024-12-02 07:00:53,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 07:00:53,116 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 2 states have internal predecessors, (215), 0 states have call successors, (0), 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 232
[2024-12-02 07:00:53,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:00:53,133 INFO L225 Difference]: With dead ends: 24109
[2024-12-02 07:00:53,133 INFO L226 Difference]: Without dead ends: 12038
[2024-12-02 07:00:53,140 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 231 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 07:00:53,140 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 276 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 289 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 289 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-12-02 07:00:53,140 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [276 Valid, 31 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 289 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-12-02 07:00:53,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12038 states.
[2024-12-02 07:00:53,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12038 to 12038.
[2024-12-02 07:00:53,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12038 states, 12037 states have (on average 1.1213757580792556) internal successors, (13498), 12037 states have internal predecessors, (13498), 0 states have call successors, (0), 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 07:00:53,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12038 states to 12038 states and 13498 transitions.
[2024-12-02 07:00:53,325 INFO L78 Accepts]: Start accepts. Automaton has 12038 states and 13498 transitions. Word has length 232
[2024-12-02 07:00:53,326 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:00:53,326 INFO L471 AbstractCegarLoop]: Abstraction has 12038 states and 13498 transitions.
[2024-12-02 07:00:53,326 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 2 states have internal predecessors, (215), 0 states have call successors, (0), 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 07:00:53,326 INFO L276 IsEmpty]: Start isEmpty. Operand 12038 states and 13498 transitions.
[2024-12-02 07:00:53,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291
[2024-12-02 07:00:53,340 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 07:00:53,340 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 07:00:53,350 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74848a2-fd6d-4ada-a751-239a7424e73e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-12-02 07:00:53,540 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74848a2-fd6d-4ada-a751-239a7424e73e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 07:00:53,541 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 07:00:53,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:00:53,541 INFO L85 PathProgramCache]: Analyzing trace with hash 662146073, now seen corresponding path program 1 times
[2024-12-02 07:00:53,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:00:53,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136972560]
[2024-12-02 07:00:53,541 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:00:53,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:00:53,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:00:53,907 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 94 proven. 6 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked.
[2024-12-02 07:00:53,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:00:53,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136972560]
[2024-12-02 07:00:53,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136972560] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 07:00:53,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1100788326]
[2024-12-02 07:00:53,907 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:00:53,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 07:00:53,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74848a2-fd6d-4ada-a751-239a7424e73e/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 07:00:53,909 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74848a2-fd6d-4ada-a751-239a7424e73e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 07:00:53,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74848a2-fd6d-4ada-a751-239a7424e73e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-12-02 07:00:54,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:00:54,099 INFO L256 TraceCheckSpWp]: Trace formula consists of 524 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-12-02 07:00:54,104 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 07:00:54,197 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2024-12-02 07:00:54,197 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 07:00:54,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1100788326] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:00:54,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-02 07:00:54,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5
[2024-12-02 07:00:54,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4784616]
[2024-12-02 07:00:54,198 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:00:54,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 07:00:54,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:00:54,199 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 07:00:54,199 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 07:00:54,199 INFO L87 Difference]: Start difference. First operand 12038 states and 13498 transitions. Second operand has 3 states, 3 states have (on average 95.0) internal successors, (285), 3 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:00:54,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:00:54,858 INFO L93 Difference]: Finished difference Result 28340 states and 32126 transitions.
[2024-12-02 07:00:54,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 07:00:54,859 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 95.0) internal successors, (285), 3 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 290
[2024-12-02 07:00:54,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:00:54,889 INFO L225 Difference]: With dead ends: 28340
[2024-12-02 07:00:54,889 INFO L226 Difference]: Without dead ends: 16304
[2024-12-02 07:00:54,898 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 292 GetRequests, 289 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 07:00:54,899 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 163 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 479 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 593 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 479 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-12-02 07:00:54,899 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 114 Invalid, 593 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 479 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-12-02 07:00:54,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16304 states.
[2024-12-02 07:00:55,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16304 to 15895.
[2024-12-02 07:00:55,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15895 states, 15894 states have (on average 1.1070215175537939) internal successors, (17595), 15894 states have internal predecessors, (17595), 0 states have call successors, (0), 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 07:00:55,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15895 states to 15895 states and 17595 transitions.
[2024-12-02 07:00:55,033 INFO L78 Accepts]: Start accepts. Automaton has 15895 states and 17595 transitions. Word has length 290
[2024-12-02 07:00:55,033 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:00:55,033 INFO L471 AbstractCegarLoop]: Abstraction has 15895 states and 17595 transitions.
[2024-12-02 07:00:55,033 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 95.0) internal successors, (285), 3 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:00:55,033 INFO L276 IsEmpty]: Start isEmpty. Operand 15895 states and 17595 transitions.
[2024-12-02 07:00:55,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293
[2024-12-02 07:00:55,043 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 07:00:55,043 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 07:00:55,052 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74848a2-fd6d-4ada-a751-239a7424e73e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2024-12-02 07:00:55,243 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74848a2-fd6d-4ada-a751-239a7424e73e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 07:00:55,244 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 07:00:55,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:00:55,244 INFO L85 PathProgramCache]: Analyzing trace with hash -1132163075, now seen corresponding path program 1 times
[2024-12-02 07:00:55,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:00:55,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309561257]
[2024-12-02 07:00:55,244 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:00:55,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:00:55,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:00:55,624 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 74 proven. 6 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked.
[2024-12-02 07:00:55,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:00:55,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309561257]
[2024-12-02 07:00:55,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309561257] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 07:00:55,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [320827868]
[2024-12-02 07:00:55,624 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:00:55,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 07:00:55,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74848a2-fd6d-4ada-a751-239a7424e73e/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 07:00:55,626 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74848a2-fd6d-4ada-a751-239a7424e73e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 07:00:55,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74848a2-fd6d-4ada-a751-239a7424e73e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-12-02 07:00:55,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:00:55,814 INFO L256 TraceCheckSpWp]: Trace formula consists of 533 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-12-02 07:00:55,819 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 07:00:56,030 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked.
[2024-12-02 07:00:56,031 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-02 07:00:56,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [320827868] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:00:56,031 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-02 07:00:56,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5
[2024-12-02 07:00:56,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320474879]
[2024-12-02 07:00:56,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:00:56,032 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 07:00:56,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:00:56,032 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 07:00:56,032 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 07:00:56,033 INFO L87 Difference]: Start difference. First operand 15895 states and 17595 transitions. Second operand has 3 states, 3 states have (on average 85.66666666666667) internal successors, (257), 3 states have internal predecessors, (257), 0 states have call successors, (0), 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 07:00:56,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:00:56,692 INFO L93 Difference]: Finished difference Result 41568 states and 46212 transitions.
[2024-12-02 07:00:56,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 07:00:56,692 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 85.66666666666667) internal successors, (257), 3 states have internal predecessors, (257), 0 states have call successors, (0), 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 292
[2024-12-02 07:00:56,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:00:56,716 INFO L225 Difference]: With dead ends: 41568
[2024-12-02 07:00:56,717 INFO L226 Difference]: Without dead ends: 25675
[2024-12-02 07:00:56,730 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 291 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-02 07:00:56,731 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 76 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 531 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-12-02 07:00:56,731 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 82 Invalid, 603 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 531 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-12-02 07:00:56,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25675 states.
[2024-12-02 07:00:56,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25675 to 24452.
[2024-12-02 07:00:56,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24452 states, 24451 states have (on average 1.1097705615312257) internal successors, (27135), 24451 states have internal predecessors, (27135), 0 states have call successors, (0), 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 07:00:56,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24452 states to 24452 states and 27135 transitions.
[2024-12-02 07:00:56,975 INFO L78 Accepts]: Start accepts. Automaton has 24452 states and 27135 transitions. Word has length 292
[2024-12-02 07:00:56,975 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:00:56,975 INFO L471 AbstractCegarLoop]: Abstraction has 24452 states and 27135 transitions.
[2024-12-02 07:00:56,975 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 85.66666666666667) internal successors, (257), 3 states have internal predecessors, (257), 0 states have call successors, (0), 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 07:00:56,976 INFO L276 IsEmpty]: Start isEmpty. Operand 24452 states and 27135 transitions.
[2024-12-02 07:00:56,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339
[2024-12-02 07:00:56,992 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 07:00:56,992 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 07:00:57,001 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74848a2-fd6d-4ada-a751-239a7424e73e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0
[2024-12-02 07:00:57,192 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74848a2-fd6d-4ada-a751-239a7424e73e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10
[2024-12-02 07:00:57,192 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 07:00:57,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:00:57,193 INFO L85 PathProgramCache]: Analyzing trace with hash 214999978, now seen corresponding path program 1 times
[2024-12-02 07:00:57,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:00:57,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460915701]
[2024-12-02 07:00:57,193 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:00:57,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:00:57,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:00:57,344 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 216 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 07:00:57,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:00:57,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460915701]
[2024-12-02 07:00:57,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460915701] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:00:57,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:00:57,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 07:00:57,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174791687]
[2024-12-02 07:00:57,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:00:57,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 07:00:57,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:00:57,345 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 07:00:57,346 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:00:57,346 INFO L87 Difference]: Start difference. First operand 24452 states and 27135 transitions. Second operand has 3 states, 3 states have (on average 112.66666666666667) internal successors, (338), 3 states have internal predecessors, (338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:00:57,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:00:57,967 INFO L93 Difference]: Finished difference Result 46847 states and 52036 transitions.
[2024-12-02 07:00:57,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 07:00:57,968 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 112.66666666666667) internal successors, (338), 3 states have internal predecessors, (338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 338
[2024-12-02 07:00:57,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 07:00:57,968 INFO L225 Difference]: With dead ends: 46847
[2024-12-02 07:00:57,969 INFO L226 Difference]: Without dead ends: 0
[2024-12-02 07:00:57,980 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:00:57,981 INFO L435 NwaCegarLoop]: 298 mSDtfsCounter, 181 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 491 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 491 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-12-02 07:00:57,981 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 313 Invalid, 580 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 491 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-12-02 07:00:57,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-12-02 07:00:57,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-12-02 07:00:57,982 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 07:00:57,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-12-02 07:00:57,982 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 338
[2024-12-02 07:00:57,982 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 07:00:57,982 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-12-02 07:00:57,983 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 112.66666666666667) internal successors, (338), 3 states have internal predecessors, (338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 07:00:57,983 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-12-02 07:00:57,983 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-12-02 07:00:57,986 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-12-02 07:00:57,986 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11
[2024-12-02 07:00:57,990 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 07:00:57,992 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-12-02 07:00:58,833 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-12-02 07:00:58,851 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 07:00:58 BoogieIcfgContainer
[2024-12-02 07:00:58,851 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-02 07:00:58,852 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 07:00:58,852 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-02 07:00:58,852 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-02 07:00:58,853 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:00:40" (3/4) ...
[2024-12-02 07:00:58,855 INFO L146 WitnessPrinter]: Generating witness for correct program
[2024-12-02 07:00:58,879 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges
[2024-12-02 07:00:58,881 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2024-12-02 07:00:58,883 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-12-02 07:00:58,886 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-12-02 07:00:59,053 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74848a2-fd6d-4ada-a751-239a7424e73e/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml
[2024-12-02 07:00:59,053 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74848a2-fd6d-4ada-a751-239a7424e73e/bin/uautomizer-verify-84ZbGMXZE1/witness.yml
[2024-12-02 07:00:59,053 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 07:00:59,054 INFO L158 Benchmark]: Toolchain (without parser) took 21862.02ms. Allocated memory was 117.4MB in the beginning and 545.3MB in the end (delta: 427.8MB). Free memory was 86.0MB in the beginning and 258.7MB in the end (delta: -172.6MB). Peak memory consumption was 253.5MB. Max. memory is 16.1GB.
[2024-12-02 07:00:59,055 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory was 72.2MB in the beginning and 72.1MB in the end (delta: 84.4kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 07:00:59,055 INFO L158 Benchmark]: CACSL2BoogieTranslator took 898.87ms. Allocated memory is still 117.4MB. Free memory was 86.0MB in the beginning and 75.9MB in the end (delta: 10.2MB). Peak memory consumption was 60.4MB. Max. memory is 16.1GB.
[2024-12-02 07:00:59,055 INFO L158 Benchmark]: Boogie Procedure Inliner took 118.22ms. Allocated memory is still 117.4MB. Free memory was 75.9MB in the beginning and 61.2MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 07:00:59,056 INFO L158 Benchmark]: Boogie Preprocessor took 129.28ms. Allocated memory is still 117.4MB. Free memory was 61.2MB in the beginning and 49.1MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 07:00:59,056 INFO L158 Benchmark]: RCFGBuilder took 2159.66ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 49.1MB in the beginning and 34.4MB in the end (delta: 14.7MB). Peak memory consumption was 44.3MB. Max. memory is 16.1GB.
[2024-12-02 07:00:59,057 INFO L158 Benchmark]: TraceAbstraction took 18347.54ms. Allocated memory was 142.6MB in the beginning and 545.3MB in the end (delta: 402.7MB). Free memory was 34.4MB in the beginning and 283.5MB in the end (delta: -249.1MB). Peak memory consumption was 355.9MB. Max. memory is 16.1GB.
[2024-12-02 07:00:59,057 INFO L158 Benchmark]: Witness Printer took 201.48ms. Allocated memory is still 545.3MB. Free memory was 283.5MB in the beginning and 258.7MB in the end (delta: 24.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2024-12-02 07:00:59,059 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory was 72.2MB in the beginning and 72.1MB in the end (delta: 84.4kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 898.87ms. Allocated memory is still 117.4MB. Free memory was 86.0MB in the beginning and 75.9MB in the end (delta: 10.2MB). Peak memory consumption was 60.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 118.22ms. Allocated memory is still 117.4MB. Free memory was 75.9MB in the beginning and 61.2MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 129.28ms. Allocated memory is still 117.4MB. Free memory was 61.2MB in the beginning and 49.1MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* RCFGBuilder took 2159.66ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 49.1MB in the beginning and 34.4MB in the end (delta: 14.7MB). Peak memory consumption was 44.3MB. Max. memory is 16.1GB.
* TraceAbstraction took 18347.54ms. Allocated memory was 142.6MB in the beginning and 545.3MB in the end (delta: 402.7MB). Free memory was 34.4MB in the beginning and 283.5MB in the end (delta: -249.1MB). Peak memory consumption was 355.9MB. Max. memory is 16.1GB.
* Witness Printer took 201.48ms. Allocated memory is still 545.3MB. Free memory was 283.5MB in the beginning and 258.7MB in the end (delta: 24.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- PositiveResult [Line: 1588]: 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, 302 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 17.4s, OverallIterations: 12, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 9.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2259 SdHoareTripleChecker+Valid, 8.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2259 mSDsluCounter, 2481 SdHoareTripleChecker+Invalid, 6.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 246 mSDsCounter, 1358 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6538 IncrementalHoareTripleChecker+Invalid, 7896 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1358 mSolverCounterUnsat, 2235 mSDtfsCounter, 6538 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1071 GetRequests, 1051 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24452occurred in iteration=11, InterpolantAutomatonStates: 36, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.3s AutomataMinimizationTime, 12 MinimizatonAttempts, 2292 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 3828 NumberOfCodeBlocks, 3828 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 3812 ConstructedInterpolants, 0 QuantifiedInterpolants, 6878 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1948 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 16 InterpolantComputations, 12 PerfectInterpolantSequences, 1256/1280 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: 1668]: Loop Invariant
Derived loop invariant: (((((((((((a26 == 1) && (a5 == 1)) && (a12 == 1)) && (a27 == 1)) && (a3 == 0)) || (((a5 == 1) && (1 <= a3)) && (a11 <= 0))) || ((((a5 == 1) && (a11 == 1)) && (a12 <= 0)) && (a3 == 0))) || (((((a26 == 1) && (a5 == 1)) && (a12 == 1)) && (a11 == 1)) && (a3 == 0))) || (((a5 == 1) && (1 <= a3)) && (a11 == 1))) || (((a5 == 1) && (a11 <= 0)) && (a3 == 0))) || ((((a5 == 1) && (a11 == 1)) && (a27 == 1)) && (a3 == 0)))
RESULT: Ultimate proved your program to be correct!
[2024-12-02 07:00:59,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c74848a2-fd6d-4ada-a751-239a7424e73e/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