./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive/recHanoi02-2.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version a0165632
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f393e0-df29-436f-a636-92b66757bfae/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f393e0-df29-436f-a636-92b66757bfae/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f393e0-df29-436f-a636-92b66757bfae/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f393e0-df29-436f-a636-92b66757bfae/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursive/recHanoi02-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f393e0-df29-436f-a636-92b66757bfae/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f393e0-df29-436f-a636-92b66757bfae/bin/uautomizer-verify-jihMAELWvX --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 d379c583eb269678169316efe01a55df7fa26acebe2991472725b0afcb2879ab
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-08 16:49:19,190 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-08 16:49:19,299 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f393e0-df29-436f-a636-92b66757bfae/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-08 16:49:19,307 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-08 16:49:19,308 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-08 16:49:19,354 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-08 16:49:19,355 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-08 16:49:19,355 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-08 16:49:19,356 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-08 16:49:19,356 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-08 16:49:19,357 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-08 16:49:19,357 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-08 16:49:19,358 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-08 16:49:19,359 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-08 16:49:19,360 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-08 16:49:19,360 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-08 16:49:19,361 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-08 16:49:19,361 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-08 16:49:19,365 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-08 16:49:19,366 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-08 16:49:19,366 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-08 16:49:19,367 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-08 16:49:19,367 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-08 16:49:19,367 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-08 16:49:19,368 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-08 16:49:19,368 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-08 16:49:19,368 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-08 16:49:19,368 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-08 16:49:19,369 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-08 16:49:19,369 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-08 16:49:19,369 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-08 16:49:19,370 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-08 16:49:19,370 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 16:49:19,372 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-08 16:49:19,373 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-08 16:49:19,373 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-08 16:49:19,373 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-08 16:49:19,374 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-08 16:49:19,374 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-08 16:49:19,374 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-08 16:49:19,374 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-08 16:49:19,375 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-08 16:49:19,375 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f393e0-df29-436f-a636-92b66757bfae/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f393e0-df29-436f-a636-92b66757bfae/bin/uautomizer-verify-jihMAELWvX
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d379c583eb269678169316efe01a55df7fa26acebe2991472725b0afcb2879ab
[2024-11-08 16:49:19,696 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-08 16:49:19,725 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-08 16:49:19,729 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-08 16:49:19,731 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-08 16:49:19,732 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-08 16:49:19,733 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f393e0-df29-436f-a636-92b66757bfae/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/recursive/recHanoi02-2.c
Unable to find full path for "g++"
[2024-11-08 16:49:21,807 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-08 16:49:22,049 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-08 16:49:22,051 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f393e0-df29-436f-a636-92b66757bfae/sv-benchmarks/c/recursive/recHanoi02-2.c
[2024-11-08 16:49:22,062 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f393e0-df29-436f-a636-92b66757bfae/bin/uautomizer-verify-jihMAELWvX/data/ee0271139/708673ae4c00446f911727e414169ef0/FLAG824da196b
[2024-11-08 16:49:22,091 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f393e0-df29-436f-a636-92b66757bfae/bin/uautomizer-verify-jihMAELWvX/data/ee0271139/708673ae4c00446f911727e414169ef0
[2024-11-08 16:49:22,096 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-08 16:49:22,098 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-08 16:49:22,102 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-08 16:49:22,102 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-08 16:49:22,112 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-08 16:49:22,113 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:49:22" (1/1) ...
[2024-11-08 16:49:22,116 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e4b35f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:49:22, skipping insertion in model container
[2024-11-08 16:49:22,116 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:49:22" (1/1) ...
[2024-11-08 16:49:22,137 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-08 16:49:22,372 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_a2f393e0-df29-436f-a636-92b66757bfae/sv-benchmarks/c/recursive/recHanoi02-2.c[839,852]
[2024-11-08 16:49:22,377 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 16:49:22,393 INFO L200 MainTranslator]: Completed pre-run
[2024-11-08 16:49:22,409 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_a2f393e0-df29-436f-a636-92b66757bfae/sv-benchmarks/c/recursive/recHanoi02-2.c[839,852]
[2024-11-08 16:49:22,411 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 16:49:22,429 INFO L204 MainTranslator]: Completed translation
[2024-11-08 16:49:22,430 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:49:22 WrapperNode
[2024-11-08 16:49:22,430 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-08 16:49:22,431 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-08 16:49:22,431 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-08 16:49:22,432 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-08 16:49:22,440 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:49:22" (1/1) ...
[2024-11-08 16:49:22,448 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:49:22" (1/1) ...
[2024-11-08 16:49:22,464 INFO L138 Inliner]: procedures = 13, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 26
[2024-11-08 16:49:22,465 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-08 16:49:22,466 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-08 16:49:22,466 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-08 16:49:22,467 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-08 16:49:22,478 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:49:22" (1/1) ...
[2024-11-08 16:49:22,479 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:49:22" (1/1) ...
[2024-11-08 16:49:22,480 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:49:22" (1/1) ...
[2024-11-08 16:49:22,501 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-08 16:49:22,501 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:49:22" (1/1) ...
[2024-11-08 16:49:22,501 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:49:22" (1/1) ...
[2024-11-08 16:49:22,504 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:49:22" (1/1) ...
[2024-11-08 16:49:22,506 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:49:22" (1/1) ...
[2024-11-08 16:49:22,507 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:49:22" (1/1) ...
[2024-11-08 16:49:22,507 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:49:22" (1/1) ...
[2024-11-08 16:49:22,509 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-08 16:49:22,510 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-08 16:49:22,511 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-08 16:49:22,511 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-08 16:49:22,516 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:49:22" (1/1) ...
[2024-11-08 16:49:22,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 16:49:22,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f393e0-df29-436f-a636-92b66757bfae/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 16:49:22,577 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f393e0-df29-436f-a636-92b66757bfae/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-08 16:49:22,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f393e0-df29-436f-a636-92b66757bfae/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-08 16:49:22,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-08 16:49:22,629 INFO L130 BoogieDeclarations]: Found specification of procedure hanoi
[2024-11-08 16:49:22,629 INFO L138 BoogieDeclarations]: Found implementation of procedure hanoi
[2024-11-08 16:49:22,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-08 16:49:22,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-08 16:49:22,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-08 16:49:22,752 INFO L238 CfgBuilder]: Building ICFG
[2024-11-08 16:49:22,756 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-08 16:49:22,906 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live.
[2024-11-08 16:49:22,906 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-08 16:49:22,917 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-08 16:49:22,918 INFO L316 CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-08 16:49:22,918 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:49:22 BoogieIcfgContainer
[2024-11-08 16:49:22,918 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-08 16:49:22,920 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-08 16:49:22,921 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-08 16:49:22,924 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-08 16:49:22,925 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:49:22" (1/3) ...
[2024-11-08 16:49:22,926 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66649c13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:49:22, skipping insertion in model container
[2024-11-08 16:49:22,926 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:49:22" (2/3) ...
[2024-11-08 16:49:22,926 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66649c13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:49:22, skipping insertion in model container
[2024-11-08 16:49:22,927 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:49:22" (3/3) ...
[2024-11-08 16:49:22,928 INFO L112 eAbstractionObserver]: Analyzing ICFG recHanoi02-2.c
[2024-11-08 16:49:22,947 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-08 16:49:22,947 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-08 16:49:23,003 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-08 16:49:23,013 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;@43690284, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-08 16:49:23,014 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-08 16:49:23,019 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 13 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-08 16:49:23,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2024-11-08 16:49:23,027 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 16:49:23,027 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 16:49:23,028 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 16:49:23,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:49:23,034 INFO L85 PathProgramCache]: Analyzing trace with hash -2087939196, now seen corresponding path program 1 times
[2024-11-08 16:49:23,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:49:23,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132861674]
[2024-11-08 16:49:23,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:49:23,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:49:23,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:49:23,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2024-11-08 16:49:23,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:49:23,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 16:49:23,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 16:49:23,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132861674]
[2024-11-08 16:49:23,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132861674] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 16:49:23,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 16:49:23,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-08 16:49:23,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094307329]
[2024-11-08 16:49:23,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 16:49:23,387 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-08 16:49:23,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 16:49:23,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-08 16:49:23,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-08 16:49:23,415 INFO L87 Difference]: Start difference. First operand has 17 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 13 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-08 16:49:23,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 16:49:23,468 INFO L93 Difference]: Finished difference Result 26 states and 30 transitions.
[2024-11-08 16:49:23,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-08 16:49:23,471 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11
[2024-11-08 16:49:23,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 16:49:23,488 INFO L225 Difference]: With dead ends: 26
[2024-11-08 16:49:23,490 INFO L226 Difference]: Without dead ends: 16
[2024-11-08 16:49:23,497 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-08 16:49:23,502 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 0 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-08 16:49:23,503 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 61 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-08 16:49:23,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states.
[2024-11-08 16:49:23,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16.
[2024-11-08 16:49:23,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 12 states have internal predecessors, (12), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3)
[2024-11-08 16:49:23,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions.
[2024-11-08 16:49:23,549 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 11
[2024-11-08 16:49:23,549 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 16:49:23,549 INFO L471 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions.
[2024-11-08 16:49:23,550 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-08 16:49:23,550 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions.
[2024-11-08 16:49:23,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2024-11-08 16:49:23,551 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 16:49:23,552 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 16:49:23,552 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-08 16:49:23,554 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-08 16:49:23,556 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 16:49:23,557 INFO L85 PathProgramCache]: Analyzing trace with hash -2053638732, now seen corresponding path program 1 times
[2024-11-08 16:49:23,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 16:49:23,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971043448]
[2024-11-08 16:49:23,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:49:23,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 16:49:23,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:49:23,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2024-11-08 16:49:23,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:49:23,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-08 16:49:23,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:49:23,920 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-11-08 16:49:23,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 16:49:23,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971043448]
[2024-11-08 16:49:23,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971043448] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 16:49:23,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [940693268]
[2024-11-08 16:49:23,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 16:49:23,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 16:49:23,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f393e0-df29-436f-a636-92b66757bfae/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 16:49:23,926 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f393e0-df29-436f-a636-92b66757bfae/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 16:49:23,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f393e0-df29-436f-a636-92b66757bfae/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-08 16:49:23,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 16:49:23,987 INFO L255 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-11-08 16:49:23,993 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 16:49:24,094 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-11-08 16:49:24,094 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 16:49:24,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [940693268] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 16:49:24,095 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-08 16:49:24,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 9
[2024-11-08 16:49:24,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082232553]
[2024-11-08 16:49:24,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 16:49:24,100 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-08 16:49:24,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 16:49:24,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-08 16:49:24,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72
[2024-11-08 16:49:24,101 INFO L87 Difference]: Start difference. First operand 16 states and 17 transitions. Second operand has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-08 16:49:24,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 16:49:24,121 INFO L93 Difference]: Finished difference Result 16 states and 17 transitions.
[2024-11-08 16:49:24,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-11-08 16:49:24,122 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 17
[2024-11-08 16:49:24,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 16:49:24,122 INFO L225 Difference]: With dead ends: 16
[2024-11-08 16:49:24,122 INFO L226 Difference]: Without dead ends: 0
[2024-11-08 16:49:24,123 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72
[2024-11-08 16:49:24,124 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 0 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-08 16:49:24,125 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 58 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-08 16:49:24,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-11-08 16:49:24,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-11-08 16:49:24,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 16:49:24,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-11-08 16:49:24,127 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17
[2024-11-08 16:49:24,127 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 16:49:24,128 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-11-08 16:49:24,128 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 5 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-08 16:49:24,128 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-11-08 16:49:24,128 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-11-08 16:49:24,131 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-08 16:49:24,151 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f393e0-df29-436f-a636-92b66757bfae/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-11-08 16:49:24,332 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f393e0-df29-436f-a636-92b66757bfae/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 16:49:24,336 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1]
[2024-11-08 16:49:24,338 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-11-08 16:49:24,361 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-08 16:49:24,395 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 04:49:24 BoogieIcfgContainer
[2024-11-08 16:49:24,395 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-08 16:49:24,396 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-08 16:49:24,396 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-08 16:49:24,396 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-08 16:49:24,397 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:49:22" (3/4) ...
[2024-11-08 16:49:24,401 INFO L142 WitnessPrinter]: Generating witness for correct program
[2024-11-08 16:49:24,408 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure hanoi
[2024-11-08 16:49:24,412 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges
[2024-11-08 16:49:24,413 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2024-11-08 16:49:24,413 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-11-08 16:49:24,413 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-11-08 16:49:24,501 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f393e0-df29-436f-a636-92b66757bfae/bin/uautomizer-verify-jihMAELWvX/witness.graphml
[2024-11-08 16:49:24,502 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f393e0-df29-436f-a636-92b66757bfae/bin/uautomizer-verify-jihMAELWvX/witness.yml
[2024-11-08 16:49:24,502 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-08 16:49:24,503 INFO L158 Benchmark]: Toolchain (without parser) took 2404.65ms. Allocated memory is still 163.6MB. Free memory was 135.7MB in the beginning and 73.7MB in the end (delta: 62.0MB). Peak memory consumption was 59.8MB. Max. memory is 16.1GB.
[2024-11-08 16:49:24,503 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 90.6MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 16:49:24,503 INFO L158 Benchmark]: CACSL2BoogieTranslator took 328.75ms. Allocated memory is still 163.6MB. Free memory was 135.7MB in the beginning and 123.8MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2024-11-08 16:49:24,504 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.14ms. Allocated memory is still 163.6MB. Free memory was 123.8MB in the beginning and 122.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-08 16:49:24,504 INFO L158 Benchmark]: Boogie Preprocessor took 43.22ms. Allocated memory is still 163.6MB. Free memory was 122.2MB in the beginning and 121.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-08 16:49:24,505 INFO L158 Benchmark]: RCFGBuilder took 408.47ms. Allocated memory is still 163.6MB. Free memory was 121.0MB in the beginning and 129.4MB in the end (delta: -8.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
[2024-11-08 16:49:24,505 INFO L158 Benchmark]: TraceAbstraction took 1474.69ms. Allocated memory is still 163.6MB. Free memory was 129.4MB in the beginning and 77.9MB in the end (delta: 51.6MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB.
[2024-11-08 16:49:24,506 INFO L158 Benchmark]: Witness Printer took 106.25ms. Allocated memory is still 163.6MB. Free memory was 77.9MB in the beginning and 73.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2024-11-08 16:49:24,509 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 90.6MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 328.75ms. Allocated memory is still 163.6MB. Free memory was 135.7MB in the beginning and 123.8MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 34.14ms. Allocated memory is still 163.6MB. Free memory was 123.8MB in the beginning and 122.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 43.22ms. Allocated memory is still 163.6MB. Free memory was 122.2MB in the beginning and 121.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 408.47ms. Allocated memory is still 163.6MB. Free memory was 121.0MB in the beginning and 129.4MB in the end (delta: -8.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
* TraceAbstraction took 1474.69ms. Allocated memory is still 163.6MB. Free memory was 129.4MB in the beginning and 77.9MB in the end (delta: 51.6MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB.
* Witness Printer took 106.25ms. Allocated memory is still 163.6MB. Free memory was 77.9MB in the beginning and 73.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- PositiveResult [Line: 37]: 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 2 procedures, 17 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 119 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 89 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 25 IncrementalHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 30 mSDtfsCounter, 25 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=0, InterpolantAutomatonStates: 12, 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, 0.7s InterpolantComputationTime, 45 NumberOfCodeBlocks, 45 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 42 ConstructedInterpolants, 0 QuantifiedInterpolants, 78 SizeOfPredicates, 0 NumberOfNonLiveVariables, 58 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 6/8 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
- ProcedureContractResult [Line: 20]: Procedure Contract for hanoi
Derived contract for procedure hanoi. Ensures: ((\result == 1) || (2 < \result))
RESULT: Ultimate proved your program to be correct!
[2024-11-08 16:49:24,544 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a2f393e0-df29-436f-a636-92b66757bfae/bin/uautomizer-verify-jihMAELWvX/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