./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/id_build.i.p+sep-reducer.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_eaac3b11-c627-47f2-9049-a9ef28131a98/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaac3b11-c627-47f2-9049-a9ef28131a98/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_eaac3b11-c627-47f2-9049-a9ef28131a98/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaac3b11-c627-47f2-9049-a9ef28131a98/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/loop-invgen/id_build.i.p+sep-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaac3b11-c627-47f2-9049-a9ef28131a98/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_eaac3b11-c627-47f2-9049-a9ef28131a98/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 f68564f44f9631930b25a13255f1efcd8f237d0da80cb5fdaa485133dbd9dd9f
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 08:36:36,626 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 08:36:36,702 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaac3b11-c627-47f2-9049-a9ef28131a98/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-12-02 08:36:36,709 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 08:36:36,709 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 08:36:36,738 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 08:36:36,739 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 08:36:36,739 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 08:36:36,740 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 08:36:36,740 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 08:36:36,740 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 08:36:36,740 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 08:36:36,741 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 08:36:36,741 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 08:36:36,741 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 08:36:36,741 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 08:36:36,741 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-02 08:36:36,741 INFO L153 SettingsManager]: * sizeof long=4
[2024-12-02 08:36:36,742 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-02 08:36:36,742 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-12-02 08:36:36,742 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 08:36:36,742 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 08:36:36,742 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 08:36:36,742 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 08:36:36,742 INFO L153 SettingsManager]: * sizeof long double=12
[2024-12-02 08:36:36,742 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 08:36:36,742 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 08:36:36,743 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 08:36:36,743 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 08:36:36,743 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 08:36:36,743 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 08:36:36,743 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 08:36:36,743 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 08:36:36,743 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 08:36:36,743 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 08:36:36,743 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-02 08:36:36,744 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-02 08:36:36,744 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 08:36:36,744 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 08:36:36,744 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 08:36:36,744 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-02 08:36:36,744 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 08:36:36,744 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-12-02 08:36:36,744 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 08:36:36,745 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 08:36:36,745 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 08:36:36,745 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 08:36:36,745 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 08:36:36,745 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_eaac3b11-c627-47f2-9049-a9ef28131a98/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 -> f68564f44f9631930b25a13255f1efcd8f237d0da80cb5fdaa485133dbd9dd9f
[2024-12-02 08:36:37,049 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 08:36:37,060 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 08:36:37,063 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 08:36:37,064 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 08:36:37,065 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 08:36:37,066 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaac3b11-c627-47f2-9049-a9ef28131a98/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/loop-invgen/id_build.i.p+sep-reducer.c
[2024-12-02 08:36:40,486 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaac3b11-c627-47f2-9049-a9ef28131a98/bin/uautomizer-verify-84ZbGMXZE1/data/88fdf08ca/75bd8161d705479e8cff21ebc259f30d/FLAG42f4c186a
[2024-12-02 08:36:40,757 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 08:36:40,758 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaac3b11-c627-47f2-9049-a9ef28131a98/sv-benchmarks/c/loop-invgen/id_build.i.p+sep-reducer.c
[2024-12-02 08:36:40,775 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaac3b11-c627-47f2-9049-a9ef28131a98/bin/uautomizer-verify-84ZbGMXZE1/data/88fdf08ca/75bd8161d705479e8cff21ebc259f30d/FLAG42f4c186a
[2024-12-02 08:36:41,057 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaac3b11-c627-47f2-9049-a9ef28131a98/bin/uautomizer-verify-84ZbGMXZE1/data/88fdf08ca/75bd8161d705479e8cff21ebc259f30d
[2024-12-02 08:36:41,060 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 08:36:41,061 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 08:36:41,062 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 08:36:41,062 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 08:36:41,066 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 08:36:41,067 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:36:41" (1/1) ...
[2024-12-02 08:36:41,067 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e639e16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:36:41, skipping insertion in model container
[2024-12-02 08:36:41,068 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:36:41" (1/1) ...
[2024-12-02 08:36:41,120 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 08:36:41,508 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_eaac3b11-c627-47f2-9049-a9ef28131a98/sv-benchmarks/c/loop-invgen/id_build.i.p+sep-reducer.c[34383,34396]
[2024-12-02 08:36:41,540 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_eaac3b11-c627-47f2-9049-a9ef28131a98/sv-benchmarks/c/loop-invgen/id_build.i.p+sep-reducer.c[39106,39119]
[2024-12-02 08:36:41,555 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 08:36:41,566 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 08:36:41,691 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_eaac3b11-c627-47f2-9049-a9ef28131a98/sv-benchmarks/c/loop-invgen/id_build.i.p+sep-reducer.c[34383,34396]
[2024-12-02 08:36:41,714 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_eaac3b11-c627-47f2-9049-a9ef28131a98/sv-benchmarks/c/loop-invgen/id_build.i.p+sep-reducer.c[39106,39119]
[2024-12-02 08:36:41,725 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 08:36:41,741 INFO L204 MainTranslator]: Completed translation
[2024-12-02 08:36:41,742 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:36:41 WrapperNode
[2024-12-02 08:36:41,742 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 08:36:41,743 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 08:36:41,743 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 08:36:41,744 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 08:36:41,752 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:36:41" (1/1) ...
[2024-12-02 08:36:41,771 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:36:41" (1/1) ...
[2024-12-02 08:36:41,830 INFO L138 Inliner]: procedures = 14, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1589
[2024-12-02 08:36:41,831 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 08:36:41,831 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 08:36:41,831 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 08:36:41,831 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 08:36:41,844 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:36:41" (1/1) ...
[2024-12-02 08:36:41,844 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:36:41" (1/1) ...
[2024-12-02 08:36:41,850 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:36:41" (1/1) ...
[2024-12-02 08:36:41,874 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-12-02 08:36:41,875 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:36:41" (1/1) ...
[2024-12-02 08:36:41,875 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:36:41" (1/1) ...
[2024-12-02 08:36:41,895 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:36:41" (1/1) ...
[2024-12-02 08:36:41,898 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:36:41" (1/1) ...
[2024-12-02 08:36:41,906 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:36:41" (1/1) ...
[2024-12-02 08:36:41,910 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:36:41" (1/1) ...
[2024-12-02 08:36:41,914 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:36:41" (1/1) ...
[2024-12-02 08:36:41,922 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 08:36:41,923 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 08:36:41,923 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 08:36:41,923 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 08:36:41,925 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:36:41" (1/1) ...
[2024-12-02 08:36:41,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 08:36:41,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaac3b11-c627-47f2-9049-a9ef28131a98/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 08:36:41,962 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaac3b11-c627-47f2-9049-a9ef28131a98/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 08:36:41,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaac3b11-c627-47f2-9049-a9ef28131a98/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 08:36:41,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 08:36:41,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-02 08:36:41,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 08:36:41,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 08:36:42,140 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 08:36:42,142 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 08:36:43,315 INFO L? ?]: Removed 550 outVars from TransFormulas that were not future-live.
[2024-12-02 08:36:43,315 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 08:36:43,334 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 08:36:43,334 INFO L312 CfgBuilder]: Removed 0 assume(true) statements.
[2024-12-02 08:36:43,335 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:36:43 BoogieIcfgContainer
[2024-12-02 08:36:43,335 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 08:36:43,337 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 08:36:43,338 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 08:36:43,342 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-02 08:36:43,342 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:36:41" (1/3) ...
[2024-12-02 08:36:43,343 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f1a8055 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:36:43, skipping insertion in model container
[2024-12-02 08:36:43,343 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:36:41" (2/3) ...
[2024-12-02 08:36:43,343 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f1a8055 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:36:43, skipping insertion in model container
[2024-12-02 08:36:43,344 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:36:43" (3/3) ...
[2024-12-02 08:36:43,345 INFO L128 eAbstractionObserver]: Analyzing ICFG id_build.i.p+sep-reducer.c
[2024-12-02 08:36:43,359 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 08:36:43,361 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG id_build.i.p+sep-reducer.c that has 1 procedures, 247 locations, 1 initial locations, 0 loop locations, and 2 error locations.
[2024-12-02 08:36:43,420 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 08:36:43,434 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;@2cf99532, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 08:36:43,434 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2024-12-02 08:36:43,439 INFO L276 IsEmpty]: Start isEmpty. Operand has 247 states, 244 states have (on average 1.9754098360655739) internal successors, (482), 246 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:36:43,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135
[2024-12-02 08:36:43,452 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 08:36:43,453 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]
[2024-12-02 08:36:43,453 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 08:36:43,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:36:43,458 INFO L85 PathProgramCache]: Analyzing trace with hash 633200581, now seen corresponding path program 1 times
[2024-12-02 08:36:43,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 08:36:43,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270403788]
[2024-12-02 08:36:43,466 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:36:43,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:36:43,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 08:36:44,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 08:36:44,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 08:36:44,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270403788]
[2024-12-02 08:36:44,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270403788] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 08:36:44,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 08:36:44,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 08:36:44,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466960390]
[2024-12-02 08:36:44,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 08:36:44,306 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 08:36:44,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 08:36:44,327 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 08:36:44,327 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 08:36:44,330 INFO L87 Difference]: Start difference. First operand has 247 states, 244 states have (on average 1.9754098360655739) internal successors, (482), 246 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 26.8) internal successors, (134), 5 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:36:45,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 08:36:45,102 INFO L93 Difference]: Finished difference Result 251 states and 485 transitions.
[2024-12-02 08:36:45,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-02 08:36:45,106 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.8) internal successors, (134), 5 states have internal predecessors, (134), 0 states have call successors, (0), 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 134
[2024-12-02 08:36:45,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 08:36:45,118 INFO L225 Difference]: With dead ends: 251
[2024-12-02 08:36:45,118 INFO L226 Difference]: Without dead ends: 242
[2024-12-02 08:36:45,122 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2024-12-02 08:36:45,126 INFO L435 NwaCegarLoop]: 274 mSDtfsCounter, 382 mSDsluCounter, 544 mSDsCounter, 0 mSdLazyCounter, 624 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 382 SdHoareTripleChecker+Valid, 818 SdHoareTripleChecker+Invalid, 663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 624 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time
[2024-12-02 08:36:45,127 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [382 Valid, 818 Invalid, 663 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 624 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time]
[2024-12-02 08:36:45,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states.
[2024-12-02 08:36:45,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 242.
[2024-12-02 08:36:45,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 241 states have (on average 1.157676348547718) internal successors, (279), 241 states have internal predecessors, (279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:36:45,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 279 transitions.
[2024-12-02 08:36:45,177 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 279 transitions. Word has length 134
[2024-12-02 08:36:45,177 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 08:36:45,177 INFO L471 AbstractCegarLoop]: Abstraction has 242 states and 279 transitions.
[2024-12-02 08:36:45,178 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.8) internal successors, (134), 5 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:36:45,178 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 279 transitions.
[2024-12-02 08:36:45,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136
[2024-12-02 08:36:45,180 INFO L210 NwaCegarLoop]: Found error trace
[2024-12-02 08:36:45,180 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]
[2024-12-02 08:36:45,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-02 08:36:45,181 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-12-02 08:36:45,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:36:45,182 INFO L85 PathProgramCache]: Analyzing trace with hash -338276741, now seen corresponding path program 1 times
[2024-12-02 08:36:45,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 08:36:45,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137823944]
[2024-12-02 08:36:45,182 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:36:45,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:36:45,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 08:36:45,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 08:36:45,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 08:36:45,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137823944]
[2024-12-02 08:36:45,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2137823944] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 08:36:45,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 08:36:45,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-02 08:36:45,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000689594]
[2024-12-02 08:36:45,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 08:36:45,730 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-02 08:36:45,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 08:36:45,731 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 08:36:45,731 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 08:36:45,732 INFO L87 Difference]: Start difference. First operand 242 states and 279 transitions. Second operand has 5 states, 5 states have (on average 27.0) internal successors, (135), 5 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:36:46,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 08:36:46,338 INFO L93 Difference]: Finished difference Result 242 states and 279 transitions.
[2024-12-02 08:36:46,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-02 08:36:46,339 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.0) internal successors, (135), 5 states have internal predecessors, (135), 0 states have call successors, (0), 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 135
[2024-12-02 08:36:46,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-12-02 08:36:46,340 INFO L225 Difference]: With dead ends: 242
[2024-12-02 08:36:46,340 INFO L226 Difference]: Without dead ends: 0
[2024-12-02 08:36:46,341 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2024-12-02 08:36:46,342 INFO L435 NwaCegarLoop]: 86 mSDtfsCounter, 208 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 617 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 617 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2024-12-02 08:36:46,342 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [208 Valid, 251 Invalid, 623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 617 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2024-12-02 08:36:46,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-12-02 08:36:46,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-12-02 08:36:46,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:36:46,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-12-02 08:36:46,344 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 135
[2024-12-02 08:36:46,344 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-12-02 08:36:46,344 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-12-02 08:36:46,344 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.0) internal successors, (135), 5 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:36:46,345 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-12-02 08:36:46,345 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-12-02 08:36:46,348 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining)
[2024-12-02 08:36:46,348 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining)
[2024-12-02 08:36:46,349 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-02 08:36:46,353 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1]
[2024-12-02 08:36:46,355 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-12-02 08:36:46,363 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-12-02 08:36:46,372 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 08:36:46 BoogieIcfgContainer
[2024-12-02 08:36:46,372 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-02 08:36:46,373 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 08:36:46,373 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-02 08:36:46,373 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-02 08:36:46,374 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:36:43" (3/4) ...
[2024-12-02 08:36:46,377 INFO L146 WitnessPrinter]: Generating witness for correct program
[2024-12-02 08:36:46,399 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges
[2024-12-02 08:36:46,401 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2024-12-02 08:36:46,403 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-12-02 08:36:46,405 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-12-02 08:36:46,587 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaac3b11-c627-47f2-9049-a9ef28131a98/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml
[2024-12-02 08:36:46,587 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaac3b11-c627-47f2-9049-a9ef28131a98/bin/uautomizer-verify-84ZbGMXZE1/witness.yml
[2024-12-02 08:36:46,587 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 08:36:46,589 INFO L158 Benchmark]: Toolchain (without parser) took 5527.53ms. Allocated memory was 142.6MB in the beginning and 318.8MB in the end (delta: 176.2MB). Free memory was 115.7MB in the beginning and 137.4MB in the end (delta: -21.7MB). Peak memory consumption was 155.4MB. Max. memory is 16.1GB.
[2024-12-02 08:36:46,589 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 142.6MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 08:36:46,589 INFO L158 Benchmark]: CACSL2BoogieTranslator took 680.48ms. Allocated memory is still 142.6MB. Free memory was 115.4MB in the beginning and 83.6MB in the end (delta: 31.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB.
[2024-12-02 08:36:46,590 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.33ms. Allocated memory is still 142.6MB. Free memory was 83.6MB in the beginning and 77.3MB in the end (delta: 6.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 08:36:46,590 INFO L158 Benchmark]: Boogie Preprocessor took 91.13ms. Allocated memory is still 142.6MB. Free memory was 77.3MB in the beginning and 70.5MB in the end (delta: 6.8MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 08:36:46,590 INFO L158 Benchmark]: RCFGBuilder took 1411.71ms. Allocated memory is still 142.6MB. Free memory was 70.5MB in the beginning and 87.8MB in the end (delta: -17.3MB). Peak memory consumption was 33.5MB. Max. memory is 16.1GB.
[2024-12-02 08:36:46,591 INFO L158 Benchmark]: TraceAbstraction took 3034.97ms. Allocated memory was 142.6MB in the beginning and 318.8MB in the end (delta: 176.2MB). Free memory was 87.8MB in the beginning and 153.7MB in the end (delta: -65.8MB). Peak memory consumption was 111.8MB. Max. memory is 16.1GB.
[2024-12-02 08:36:46,591 INFO L158 Benchmark]: Witness Printer took 214.39ms. Allocated memory is still 318.8MB. Free memory was 153.7MB in the beginning and 137.4MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 08:36:46,593 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.40ms. Allocated memory is still 142.6MB. Free memory is still 83.8MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 680.48ms. Allocated memory is still 142.6MB. Free memory was 115.4MB in the beginning and 83.6MB in the end (delta: 31.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 87.33ms. Allocated memory is still 142.6MB. Free memory was 83.6MB in the beginning and 77.3MB in the end (delta: 6.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 91.13ms. Allocated memory is still 142.6MB. Free memory was 77.3MB in the beginning and 70.5MB in the end (delta: 6.8MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 1411.71ms. Allocated memory is still 142.6MB. Free memory was 70.5MB in the beginning and 87.8MB in the end (delta: -17.3MB). Peak memory consumption was 33.5MB. Max. memory is 16.1GB.
* TraceAbstraction took 3034.97ms. Allocated memory was 142.6MB in the beginning and 318.8MB in the end (delta: 176.2MB). Free memory was 87.8MB in the beginning and 153.7MB in the end (delta: -65.8MB). Peak memory consumption was 111.8MB. Max. memory is 16.1GB.
* Witness Printer took 214.39ms. Allocated memory is still 318.8MB. Free memory was 153.7MB in the beginning and 137.4MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- PositiveResult [Line: 2003]: a call to reach_error is unreachable
For all program executions holds that a call to reach_error is unreachable at this location
- PositiveResult [Line: 2312]: 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, 247 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 3.0s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 590 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 590 mSDsluCounter, 1069 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 709 mSDsCounter, 45 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1241 IncrementalHoareTripleChecker+Invalid, 1286 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 45 mSolverCounterUnsat, 360 mSDtfsCounter, 1241 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=247occurred in iteration=0, InterpolantAutomatonStates: 10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 269 NumberOfCodeBlocks, 269 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 267 ConstructedInterpolants, 0 QuantifiedInterpolants, 593 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 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
2 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2024-12-02 08:36:46,613 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaac3b11-c627-47f2-9049-a9ef28131a98/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