./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label37.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_f1a6b4f0-c5f6-4433-a8ca-4bab4b23d7c1/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a6b4f0-c5f6-4433-a8ca-4bab4b23d7c1/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_f1a6b4f0-c5f6-4433-a8ca-4bab4b23d7c1/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a6b4f0-c5f6-4433-a8ca-4bab4b23d7c1/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label37.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a6b4f0-c5f6-4433-a8ca-4bab4b23d7c1/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_f1a6b4f0-c5f6-4433-a8ca-4bab4b23d7c1/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 0119f2b2fb4504b695be9741d94be3417a406a0ace70334ccdd5124dc6f7dfad
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 13:20:04,277 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 13:20:04,331 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a6b4f0-c5f6-4433-a8ca-4bab4b23d7c1/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-12-02 13:20:04,336 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 13:20:04,336 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 13:20:04,358 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 13:20:04,358 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 13:20:04,358 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 13:20:04,359 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 13:20:04,359 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 13:20:04,359 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 13:20:04,359 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 13:20:04,359 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 13:20:04,359 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 13:20:04,360 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 13:20:04,360 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 13:20:04,360 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-02 13:20:04,360 INFO L153 SettingsManager]: * sizeof long=4
[2024-12-02 13:20:04,360 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-02 13:20:04,360 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-12-02 13:20:04,360 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 13:20:04,360 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 13:20:04,360 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 13:20:04,360 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 13:20:04,361 INFO L153 SettingsManager]: * sizeof long double=12
[2024-12-02 13:20:04,361 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 13:20:04,361 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 13:20:04,361 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 13:20:04,361 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 13:20:04,361 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 13:20:04,361 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 13:20:04,361 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 13:20:04,361 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 13:20:04,362 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 13:20:04,362 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 13:20:04,362 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 13:20:04,362 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 13:20:04,362 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 13:20:04,362 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 13:20:04,362 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 13:20:04,362 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-02 13:20:04,362 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 13:20:04,362 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-12-02 13:20:04,363 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 13:20:04,363 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 13:20:04,363 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 13:20:04,363 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 13:20:04,363 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 13:20:04,363 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_f1a6b4f0-c5f6-4433-a8ca-4bab4b23d7c1/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 -> 0119f2b2fb4504b695be9741d94be3417a406a0ace70334ccdd5124dc6f7dfad
[2024-12-02 13:20:04,569 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 13:20:04,577 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 13:20:04,579 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 13:20:04,580 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 13:20:04,580 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 13:20:04,581 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a6b4f0-c5f6-4433-a8ca-4bab4b23d7c1/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/eca-rers2012/Problem10_label37.c
[2024-12-02 13:20:07,267 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a6b4f0-c5f6-4433-a8ca-4bab4b23d7c1/bin/uautomizer-verify-84ZbGMXZE1/data/3082e15b0/ec62df0d97bc4462927584996f5dec01/FLAG888cc8d97
[2024-12-02 13:20:07,531 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 13:20:07,532 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a6b4f0-c5f6-4433-a8ca-4bab4b23d7c1/sv-benchmarks/c/eca-rers2012/Problem10_label37.c
[2024-12-02 13:20:07,543 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a6b4f0-c5f6-4433-a8ca-4bab4b23d7c1/bin/uautomizer-verify-84ZbGMXZE1/data/3082e15b0/ec62df0d97bc4462927584996f5dec01/FLAG888cc8d97
[2024-12-02 13:20:07,557 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a6b4f0-c5f6-4433-a8ca-4bab4b23d7c1/bin/uautomizer-verify-84ZbGMXZE1/data/3082e15b0/ec62df0d97bc4462927584996f5dec01
[2024-12-02 13:20:07,559 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 13:20:07,561 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 13:20:07,562 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 13:20:07,562 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 13:20:07,566 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 13:20:07,567 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:20:07" (1/1) ...
[2024-12-02 13:20:07,568 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c168c7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:07, skipping insertion in model container
[2024-12-02 13:20:07,568 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:20:07" (1/1) ...
[2024-12-02 13:20:07,596 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 13:20:07,769 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_f1a6b4f0-c5f6-4433-a8ca-4bab4b23d7c1/sv-benchmarks/c/eca-rers2012/Problem10_label37.c[6216,6229]
[2024-12-02 13:20:07,863 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 13:20:07,873 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 13:20:07,898 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_f1a6b4f0-c5f6-4433-a8ca-4bab4b23d7c1/sv-benchmarks/c/eca-rers2012/Problem10_label37.c[6216,6229]
[2024-12-02 13:20:07,950 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 13:20:07,963 INFO L204 MainTranslator]: Completed translation
[2024-12-02 13:20:07,964 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:07 WrapperNode
[2024-12-02 13:20:07,964 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 13:20:07,965 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 13:20:07,965 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 13:20:07,965 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 13:20:07,972 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:07" (1/1) ...
[2024-12-02 13:20:07,985 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:07" (1/1) ...
[2024-12-02 13:20:08,033 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597
[2024-12-02 13:20:08,034 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 13:20:08,034 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 13:20:08,034 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 13:20:08,034 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 13:20:08,043 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:07" (1/1) ...
[2024-12-02 13:20:08,044 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:07" (1/1) ...
[2024-12-02 13:20:08,049 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:07" (1/1) ...
[2024-12-02 13:20:08,068 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 13:20:08,069 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:07" (1/1) ...
[2024-12-02 13:20:08,069 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:07" (1/1) ...
[2024-12-02 13:20:08,087 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:07" (1/1) ...
[2024-12-02 13:20:08,089 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:07" (1/1) ...
[2024-12-02 13:20:08,095 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:07" (1/1) ...
[2024-12-02 13:20:08,098 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:07" (1/1) ...
[2024-12-02 13:20:08,102 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:07" (1/1) ...
[2024-12-02 13:20:08,110 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 13:20:08,111 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 13:20:08,111 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 13:20:08,111 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 13:20:08,112 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:07" (1/1) ...
[2024-12-02 13:20:08,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 13:20:08,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a6b4f0-c5f6-4433-a8ca-4bab4b23d7c1/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 13:20:08,140 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a6b4f0-c5f6-4433-a8ca-4bab4b23d7c1/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 13:20:08,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a6b4f0-c5f6-4433-a8ca-4bab4b23d7c1/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 13:20:08,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 13:20:08,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-02 13:20:08,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 13:20:08,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 13:20:08,212 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 13:20:08,213 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 13:20:09,160 INFO L? ?]: Removed 84 outVars from TransFormulas that were not future-live.
[2024-12-02 13:20:09,160 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 13:20:09,173 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 13:20:09,173 INFO L312 CfgBuilder]: Removed 2 assume(true) statements.
[2024-12-02 13:20:09,173 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:20:09 BoogieIcfgContainer
[2024-12-02 13:20:09,174 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 13:20:09,176 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 13:20:09,176 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 13:20:09,180 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-02 13:20:09,180 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:20:07" (1/3) ...
[2024-12-02 13:20:09,181 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@452a2ab8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:20:09, skipping insertion in model container
[2024-12-02 13:20:09,181 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:07" (2/3) ...
[2024-12-02 13:20:09,181 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@452a2ab8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:20:09, skipping insertion in model container
[2024-12-02 13:20:09,181 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:20:09" (3/3) ...
[2024-12-02 13:20:09,182 INFO L128 eAbstractionObserver]: Analyzing ICFG Problem10_label37.c
[2024-12-02 13:20:09,197 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 13:20:09,198 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG Problem10_label37.c that has 1 procedures, 206 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-12-02 13:20:09,252 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 13:20:09,263 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;@1f5a5e8f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 13:20:09,264 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-12-02 13:20:09,268 INFO L276 IsEmpty]: Start isEmpty. Operand has 206 states, 204 states have (on average 1.6862745098039216) internal successors, (344), 205 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 13:20:09,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55
[2024-12-02 13:20:09,275 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 13:20:09,275 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]
[2024-12-02 13:20:09,276 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:20:09,280 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:20:09,281 INFO L85 PathProgramCache]: Analyzing trace with hash 1425694346, now seen corresponding path program 1 times
[2024-12-02 13:20:09,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:20:09,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811920501]
[2024-12-02 13:20:09,288 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:20:09,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:20:09,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:20:09,718 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 13:20:09,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:20:09,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811920501]
[2024-12-02 13:20:09,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811920501] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:20:09,720 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:20:09,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 13:20:09,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138215793]
[2024-12-02 13:20:09,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:20:09,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 13:20:09,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:20:09,743 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 13:20:09,744 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:20:09,746 INFO L87 Difference]: Start difference. First operand has 206 states, 204 states have (on average 1.6862745098039216) internal successors, (344), 205 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 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 13:20:10,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:20:10,901 INFO L93 Difference]: Finished difference Result 696 states and 1248 transitions.
[2024-12-02 13:20:10,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 13:20:10,903 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 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 54
[2024-12-02 13:20:10,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:20:10,912 INFO L225 Difference]: With dead ends: 696
[2024-12-02 13:20:10,913 INFO L226 Difference]: Without dead ends: 421
[2024-12-02 13:20:10,916 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:20:10,919 INFO L435 NwaCegarLoop]: 30 mSDtfsCounter, 444 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 684 mSolverCounterSat, 287 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 444 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 971 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 287 IncrementalHoareTripleChecker+Valid, 684 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time
[2024-12-02 13:20:10,920 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [444 Valid, 44 Invalid, 971 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [287 Valid, 684 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time]
[2024-12-02 13:20:10,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states.
[2024-12-02 13:20:10,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 421.
[2024-12-02 13:20:10,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 420 states have (on average 1.3833333333333333) internal successors, (581), 420 states have internal predecessors, (581), 0 states have call successors, (0), 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 13:20:10,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 581 transitions.
[2024-12-02 13:20:10,970 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 581 transitions. Word has length 54
[2024-12-02 13:20:10,971 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:20:10,971 INFO L471 AbstractCegarLoop]: Abstraction has 421 states and 581 transitions.
[2024-12-02 13:20:10,971 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 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 13:20:10,971 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 581 transitions.
[2024-12-02 13:20:10,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173
[2024-12-02 13:20:10,976 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 13:20:10,976 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, 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]
[2024-12-02 13:20:10,976 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-02 13:20:10,977 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:20:10,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:20:10,977 INFO L85 PathProgramCache]: Analyzing trace with hash -1945375884, now seen corresponding path program 1 times
[2024-12-02 13:20:10,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:20:10,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [388239983]
[2024-12-02 13:20:10,977 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:20:10,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:20:11,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:20:11,623 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:20:11,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:20:11,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [388239983]
[2024-12-02 13:20:11,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [388239983] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:20:11,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:20:11,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 13:20:11,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573825622]
[2024-12-02 13:20:11,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:20:11,625 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-02 13:20:11,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:20:11,625 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-02 13:20:11,626 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-02 13:20:11,626 INFO L87 Difference]: Start difference. First operand 421 states and 581 transitions. Second operand has 4 states, 4 states have (on average 43.0) internal successors, (172), 3 states have internal predecessors, (172), 0 states have call successors, (0), 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 13:20:12,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:20:12,142 INFO L93 Difference]: Finished difference Result 701 states and 1011 transitions.
[2024-12-02 13:20:12,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-02 13:20:12,143 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 43.0) internal successors, (172), 3 states have internal predecessors, (172), 0 states have call successors, (0), 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 172
[2024-12-02 13:20:12,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:20:12,145 INFO L225 Difference]: With dead ends: 701
[2024-12-02 13:20:12,145 INFO L226 Difference]: Without dead ends: 421
[2024-12-02 13:20:12,146 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-02 13:20:12,147 INFO L435 NwaCegarLoop]: 78 mSDtfsCounter, 87 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 567 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 87 SdHoareTripleChecker+Invalid, 571 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-12-02 13:20:12,147 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 87 Invalid, 571 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 567 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-12-02 13:20:12,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states.
[2024-12-02 13:20:12,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 421.
[2024-12-02 13:20:12,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 420 states have (on average 1.3714285714285714) internal successors, (576), 420 states have internal predecessors, (576), 0 states have call successors, (0), 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 13:20:12,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 576 transitions.
[2024-12-02 13:20:12,164 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 576 transitions. Word has length 172
[2024-12-02 13:20:12,165 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:20:12,165 INFO L471 AbstractCegarLoop]: Abstraction has 421 states and 576 transitions.
[2024-12-02 13:20:12,165 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 43.0) internal successors, (172), 3 states have internal predecessors, (172), 0 states have call successors, (0), 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 13:20:12,165 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 576 transitions.
[2024-12-02 13:20:12,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199
[2024-12-02 13:20:12,168 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 13:20:12,168 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:20:12,168 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-02 13:20:12,169 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 13:20:12,169 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:20:12,169 INFO L85 PathProgramCache]: Analyzing trace with hash 944091396, now seen corresponding path program 1 times
[2024-12-02 13:20:12,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 13:20:12,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459903245]
[2024-12-02 13:20:12,170 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:20:12,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:20:12,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:20:12,579 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 13:20:12,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 13:20:12,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459903245]
[2024-12-02 13:20:12,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459903245] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 13:20:12,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 13:20:12,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-02 13:20:12,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689445531]
[2024-12-02 13:20:12,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 13:20:12,581 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-02 13:20:12,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 13:20:12,581 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 13:20:12,581 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 13:20:12,582 INFO L87 Difference]: Start difference. First operand 421 states and 576 transitions. Second operand has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 0 states have call successors, (0), 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 13:20:13,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:20:13,044 INFO L93 Difference]: Finished difference Result 838 states and 1219 transitions.
[2024-12-02 13:20:13,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 13:20:13,045 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 0 states have call successors, (0), 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 198
[2024-12-02 13:20:13,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 13:20:13,046 INFO L225 Difference]: With dead ends: 838
[2024-12-02 13:20:13,046 INFO L226 Difference]: Without dead ends: 0
[2024-12-02 13:20:13,046 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 13:20:13,047 INFO L435 NwaCegarLoop]: 15 mSDtfsCounter, 85 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-12-02 13:20:13,047 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 18 Invalid, 455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-12-02 13:20:13,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-12-02 13:20:13,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-12-02 13:20:13,048 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 13:20:13,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-12-02 13:20:13,049 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 198
[2024-12-02 13:20:13,049 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 13:20:13,049 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-12-02 13:20:13,049 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 0 states have call successors, (0), 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 13:20:13,049 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-12-02 13:20:13,050 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-12-02 13:20:13,052 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-12-02 13:20:13,052 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-12-02 13:20:13,055 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2024-12-02 13:20:13,056 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-12-02 13:20:13,070 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-12-02 13:20:13,083 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:20:13 BoogieIcfgContainer
[2024-12-02 13:20:13,083 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-02 13:20:13,084 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 13:20:13,084 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-02 13:20:13,084 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-02 13:20:13,084 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:20:09" (3/4) ...
[2024-12-02 13:20:13,086 INFO L146 WitnessPrinter]: Generating witness for correct program
[2024-12-02 13:20:13,099 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges
[2024-12-02 13:20:13,100 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2024-12-02 13:20:13,101 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-12-02 13:20:13,101 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-12-02 13:20:13,215 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a6b4f0-c5f6-4433-a8ca-4bab4b23d7c1/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml
[2024-12-02 13:20:13,215 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a6b4f0-c5f6-4433-a8ca-4bab4b23d7c1/bin/uautomizer-verify-84ZbGMXZE1/witness.yml
[2024-12-02 13:20:13,215 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 13:20:13,216 INFO L158 Benchmark]: Toolchain (without parser) took 5655.29ms. Allocated memory was 142.6MB in the beginning and 310.4MB in the end (delta: 167.8MB). Free memory was 116.6MB in the beginning and 175.7MB in the end (delta: -59.1MB). Peak memory consumption was 106.1MB. Max. memory is 16.1GB.
[2024-12-02 13:20:13,216 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory was 83.7MB in the beginning and 83.6MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 13:20:13,216 INFO L158 Benchmark]: CACSL2BoogieTranslator took 402.68ms. Allocated memory is still 142.6MB. Free memory was 116.3MB in the beginning and 89.4MB in the end (delta: 26.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2024-12-02 13:20:13,217 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.78ms. Allocated memory is still 142.6MB. Free memory was 89.1MB in the beginning and 81.6MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 13:20:13,217 INFO L158 Benchmark]: Boogie Preprocessor took 75.68ms. Allocated memory is still 142.6MB. Free memory was 81.6MB in the beginning and 71.9MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 13:20:13,217 INFO L158 Benchmark]: RCFGBuilder took 1063.08ms. Allocated memory is still 142.6MB. Free memory was 71.9MB in the beginning and 98.0MB in the end (delta: -26.0MB). Peak memory consumption was 43.2MB. Max. memory is 16.1GB.
[2024-12-02 13:20:13,218 INFO L158 Benchmark]: TraceAbstraction took 3907.36ms. Allocated memory was 142.6MB in the beginning and 310.4MB in the end (delta: 167.8MB). Free memory was 97.1MB in the beginning and 187.2MB in the end (delta: -90.2MB). Peak memory consumption was 78.9MB. Max. memory is 16.1GB.
[2024-12-02 13:20:13,218 INFO L158 Benchmark]: Witness Printer took 131.40ms. Allocated memory is still 310.4MB. Free memory was 187.2MB in the beginning and 175.7MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 13:20:13,220 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory was 83.7MB in the beginning and 83.6MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 402.68ms. Allocated memory is still 142.6MB. Free memory was 116.3MB in the beginning and 89.4MB in the end (delta: 26.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 68.78ms. Allocated memory is still 142.6MB. Free memory was 89.1MB in the beginning and 81.6MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 75.68ms. Allocated memory is still 142.6MB. Free memory was 81.6MB in the beginning and 71.9MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* RCFGBuilder took 1063.08ms. Allocated memory is still 142.6MB. Free memory was 71.9MB in the beginning and 98.0MB in the end (delta: -26.0MB). Peak memory consumption was 43.2MB. Max. memory is 16.1GB.
* TraceAbstraction took 3907.36ms. Allocated memory was 142.6MB in the beginning and 310.4MB in the end (delta: 167.8MB). Free memory was 97.1MB in the beginning and 187.2MB in the end (delta: -90.2MB). Peak memory consumption was 78.9MB. Max. memory is 16.1GB.
* Witness Printer took 131.40ms. Allocated memory is still 310.4MB. Free memory was 187.2MB in the beginning and 175.7MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- PositiveResult [Line: 176]: a call to reach_error is unreachable
For all program executions holds that a call to reach_error is unreachable at this location
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 1 procedures, 206 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.8s, OverallIterations: 3, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 616 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 616 mSDsluCounter, 149 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 26 mSDsCounter, 396 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1601 IncrementalHoareTripleChecker+Invalid, 1997 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 396 mSolverCounterUnsat, 123 mSDtfsCounter, 1601 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=421occurred in iteration=1, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 424 NumberOfCodeBlocks, 424 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 421 ConstructedInterpolants, 0 QuantifiedInterpolants, 2299 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 219/219 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: 592]: Loop Invariant
Derived loop invariant: ((a10 != 4) || (7 != a19))
RESULT: Ultimate proved your program to be correct!
[2024-12-02 13:20:13,238 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1a6b4f0-c5f6-4433-a8ca-4bab4b23d7c1/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