./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive-simple/afterrec-2.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version 6497de01
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5aaa0b0-6136-491c-a651-015b205876be/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5aaa0b0-6136-491c-a651-015b205876be/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5aaa0b0-6136-491c-a651-015b205876be/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5aaa0b0-6136-491c-a651-015b205876be/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/recursive-simple/afterrec-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5aaa0b0-6136-491c-a651-015b205876be/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5aaa0b0-6136-491c-a651-015b205876be/bin/uautomizer-verify-LYvppIcaGC --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 1c92d0a3779cdad7e145b29b6ae35aeb1a90bc327e2327b92a2158da4de5b6ea
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-24 01:38:43,096 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-24 01:38:43,195 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5aaa0b0-6136-491c-a651-015b205876be/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-24 01:38:43,206 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-24 01:38:43,207 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-24 01:38:43,258 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-24 01:38:43,260 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-24 01:38:43,261 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-24 01:38:43,261 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-24 01:38:43,262 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-24 01:38:43,262 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-24 01:38:43,264 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-24 01:38:43,264 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-24 01:38:43,264 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-24 01:38:43,265 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-24 01:38:43,265 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-24 01:38:43,265 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-24 01:38:43,265 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-24 01:38:43,265 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-24 01:38:43,265 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-24 01:38:43,265 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-24 01:38:43,265 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-24 01:38:43,265 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-24 01:38:43,266 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-24 01:38:43,266 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-24 01:38:43,266 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-24 01:38:43,266 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-24 01:38:43,266 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-24 01:38:43,267 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-24 01:38:43,268 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-24 01:38:43,268 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-24 01:38:43,269 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-24 01:38:43,269 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 01:38:43,269 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-24 01:38:43,269 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-24 01:38:43,269 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-24 01:38:43,269 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-24 01:38:43,270 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 01:38:43,270 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-24 01:38:43,270 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-24 01:38:43,270 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-11-24 01:38:43,270 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-24 01:38:43,270 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-24 01:38:43,271 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-24 01:38:43,271 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-24 01:38:43,271 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-24 01:38:43,271 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-24 01:38:43,272 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-24 01:38:43,272 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_a5aaa0b0-6136-491c-a651-015b205876be/bin/uautomizer-verify-LYvppIcaGC
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 -> 1c92d0a3779cdad7e145b29b6ae35aeb1a90bc327e2327b92a2158da4de5b6ea
[2024-11-24 01:38:43,642 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-24 01:38:43,660 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-24 01:38:43,663 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-24 01:38:43,668 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-24 01:38:43,669 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-24 01:38:43,670 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5aaa0b0-6136-491c-a651-015b205876be/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/recursive-simple/afterrec-2.c
[2024-11-24 01:38:47,070 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5aaa0b0-6136-491c-a651-015b205876be/bin/uautomizer-verify-LYvppIcaGC/data/348bc05ba/bcc183d6c39247bc8fe53b96d477e518/FLAG0c9b074ec
[2024-11-24 01:38:47,344 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-24 01:38:47,345 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5aaa0b0-6136-491c-a651-015b205876be/sv-benchmarks/c/recursive-simple/afterrec-2.c
[2024-11-24 01:38:47,353 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5aaa0b0-6136-491c-a651-015b205876be/bin/uautomizer-verify-LYvppIcaGC/data/348bc05ba/bcc183d6c39247bc8fe53b96d477e518/FLAG0c9b074ec
[2024-11-24 01:38:47,392 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5aaa0b0-6136-491c-a651-015b205876be/bin/uautomizer-verify-LYvppIcaGC/data/348bc05ba/bcc183d6c39247bc8fe53b96d477e518
[2024-11-24 01:38:47,395 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-24 01:38:47,396 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-24 01:38:47,398 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-24 01:38:47,398 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-24 01:38:47,403 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-24 01:38:47,404 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:38:47" (1/1) ...
[2024-11-24 01:38:47,405 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a76394f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:38:47, skipping insertion in model container
[2024-11-24 01:38:47,405 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:38:47" (1/1) ...
[2024-11-24 01:38:47,422 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-24 01:38:47,590 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_a5aaa0b0-6136-491c-a651-015b205876be/sv-benchmarks/c/recursive-simple/afterrec-2.c[318,331]
[2024-11-24 01:38:47,595 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-24 01:38:47,605 INFO L200 MainTranslator]: Completed pre-run
[2024-11-24 01:38:47,614 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_a5aaa0b0-6136-491c-a651-015b205876be/sv-benchmarks/c/recursive-simple/afterrec-2.c[318,331]
[2024-11-24 01:38:47,615 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-24 01:38:47,626 INFO L204 MainTranslator]: Completed translation
[2024-11-24 01:38:47,626 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:38:47 WrapperNode
[2024-11-24 01:38:47,626 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-24 01:38:47,627 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-24 01:38:47,628 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-24 01:38:47,628 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-24 01:38:47,635 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:38:47" (1/1) ...
[2024-11-24 01:38:47,643 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:38:47" (1/1) ...
[2024-11-24 01:38:47,664 INFO L138 Inliner]: procedures = 12, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 10
[2024-11-24 01:38:47,668 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-24 01:38:47,668 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-24 01:38:47,668 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-24 01:38:47,669 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-24 01:38:47,679 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:38:47" (1/1) ...
[2024-11-24 01:38:47,680 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:38:47" (1/1) ...
[2024-11-24 01:38:47,680 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:38:47" (1/1) ...
[2024-11-24 01:38:47,694 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].
[2024-11-24 01:38:47,695 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:38:47" (1/1) ...
[2024-11-24 01:38:47,695 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:38:47" (1/1) ...
[2024-11-24 01:38:47,699 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:38:47" (1/1) ...
[2024-11-24 01:38:47,700 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:38:47" (1/1) ...
[2024-11-24 01:38:47,702 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:38:47" (1/1) ...
[2024-11-24 01:38:47,703 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:38:47" (1/1) ...
[2024-11-24 01:38:47,704 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:38:47" (1/1) ...
[2024-11-24 01:38:47,706 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-24 01:38:47,707 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-24 01:38:47,708 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-24 01:38:47,708 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-24 01:38:47,710 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:38:47" (1/1) ...
[2024-11-24 01:38:47,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 01:38:47,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5aaa0b0-6136-491c-a651-015b205876be/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 01:38:47,748 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5aaa0b0-6136-491c-a651-015b205876be/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-24 01:38:47,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5aaa0b0-6136-491c-a651-015b205876be/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-24 01:38:47,777 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-24 01:38:47,778 INFO L130 BoogieDeclarations]: Found specification of procedure f
[2024-11-24 01:38:47,778 INFO L138 BoogieDeclarations]: Found implementation of procedure f
[2024-11-24 01:38:47,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-24 01:38:47,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-24 01:38:47,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-24 01:38:47,830 INFO L234 CfgBuilder]: Building ICFG
[2024-11-24 01:38:47,832 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-24 01:38:47,919 INFO L? ?]: Removed 3 outVars from TransFormulas that were not future-live.
[2024-11-24 01:38:47,919 INFO L283 CfgBuilder]: Performing block encoding
[2024-11-24 01:38:47,933 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-24 01:38:47,934 INFO L312 CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-24 01:38:47,934 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:38:47 BoogieIcfgContainer
[2024-11-24 01:38:47,935 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-24 01:38:47,942 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-24 01:38:47,943 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-24 01:38:47,951 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-24 01:38:47,951 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:38:47" (1/3) ...
[2024-11-24 01:38:47,952 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d11bdea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:38:47, skipping insertion in model container
[2024-11-24 01:38:47,952 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:38:47" (2/3) ...
[2024-11-24 01:38:47,952 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d11bdea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:38:47, skipping insertion in model container
[2024-11-24 01:38:47,952 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:38:47" (3/3) ...
[2024-11-24 01:38:47,953 INFO L128 eAbstractionObserver]: Analyzing ICFG afterrec-2.c
[2024-11-24 01:38:47,974 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-24 01:38:47,977 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG afterrec-2.c that has 2 procedures, 13 locations, 1 initial locations, 0 loop locations, and 1 error locations.
[2024-11-24 01:38:48,050 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-24 01:38:48,069 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;@634905aa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-24 01:38:48,070 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-24 01:38:48,074 INFO L276 IsEmpty]: Start isEmpty. Operand has 13 states, 8 states have (on average 1.25) internal successors, (10), 9 states have internal predecessors, (10), 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)
[2024-11-24 01:38:48,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12
[2024-11-24 01:38:48,081 INFO L210 NwaCegarLoop]: Found error trace
[2024-11-24 01:38:48,082 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:38:48,082 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting fErr0ASSERT_VIOLATIONERROR_FUNCTION === [fErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-24 01:38:48,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:38:48,094 INFO L85 PathProgramCache]: Analyzing trace with hash 1036188702, now seen corresponding path program 1 times
[2024-11-24 01:38:48,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:38:48,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621875041]
[2024-11-24 01:38:48,104 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:38:48,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:38:48,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:38:48,429 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:38:48,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:38:48,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621875041]
[2024-11-24 01:38:48,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621875041] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-24 01:38:48,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [693372177]
[2024-11-24 01:38:48,435 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:38:48,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 01:38:48,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5aaa0b0-6136-491c-a651-015b205876be/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 01:38:48,440 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5aaa0b0-6136-491c-a651-015b205876be/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 01:38:48,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5aaa0b0-6136-491c-a651-015b205876be/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-24 01:38:48,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:38:48,514 INFO L256 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-24 01:38:48,518 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 01:38:48,611 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:38:48,613 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-24 01:38:48,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [693372177] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:38:48,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-24 01:38:48,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6
[2024-11-24 01:38:48,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217862106]
[2024-11-24 01:38:48,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:38:48,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-24 01:38:48,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:38:48,647 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-24 01:38:48,647 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-11-24 01:38:48,649 INFO L87 Difference]: Start difference. First operand has 13 states, 8 states have (on average 1.25) internal successors, (10), 9 states have internal predecessors, (10), 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 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-24 01:38:48,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-24 01:38:48,694 INFO L93 Difference]: Finished difference Result 20 states and 21 transitions.
[2024-11-24 01:38:48,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-24 01:38:48,698 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11
[2024-11-24 01:38:48,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-24 01:38:48,703 INFO L225 Difference]: With dead ends: 20
[2024-11-24 01:38:48,703 INFO L226 Difference]: Without dead ends: 0
[2024-11-24 01:38:48,707 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2024-11-24 01:38:48,710 INFO L435 NwaCegarLoop]: 6 mSDtfsCounter, 3 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-24 01:38:48,712 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 16 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-24 01:38:48,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-11-24 01:38:48,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-11-24 01:38:48,736 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)
[2024-11-24 01:38:48,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-11-24 01:38:48,744 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11
[2024-11-24 01:38:48,744 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-24 01:38:48,744 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-11-24 01:38:48,745 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2024-11-24 01:38:48,746 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-11-24 01:38:48,746 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-11-24 01:38:48,749 INFO L782 garLoopResultBuilder]: Registering result SAFE for location fErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-11-24 01:38:48,762 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5aaa0b0-6136-491c-a651-015b205876be/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-11-24 01:38:48,953 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5aaa0b0-6136-491c-a651-015b205876be/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 01:38:48,958 INFO L422 BasicCegarLoop]: Path program histogram: [1]
[2024-11-24 01:38:48,961 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-11-24 01:38:49,013 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-24 01:38:49,023 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 01:38:49 BoogieIcfgContainer
[2024-11-24 01:38:49,023 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-24 01:38:49,024 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-24 01:38:49,024 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-24 01:38:49,024 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-24 01:38:49,026 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:38:47" (3/4) ...
[2024-11-24 01:38:49,029 INFO L146 WitnessPrinter]: Generating witness for correct program
[2024-11-24 01:38:49,033 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure f
[2024-11-24 01:38:49,037 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges
[2024-11-24 01:38:49,038 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges
[2024-11-24 01:38:49,038 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2024-11-24 01:38:49,038 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-11-24 01:38:49,130 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5aaa0b0-6136-491c-a651-015b205876be/bin/uautomizer-verify-LYvppIcaGC/witness.graphml
[2024-11-24 01:38:49,131 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5aaa0b0-6136-491c-a651-015b205876be/bin/uautomizer-verify-LYvppIcaGC/witness.yml
[2024-11-24 01:38:49,131 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-24 01:38:49,132 INFO L158 Benchmark]: Toolchain (without parser) took 1735.36ms. Allocated memory is still 142.6MB. Free memory was 119.4MB in the beginning and 66.5MB in the end (delta: 52.9MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB.
[2024-11-24 01:38:49,133 INFO L158 Benchmark]: CDTParser took 1.51ms. Allocated memory is still 142.6MB. Free memory is still 80.4MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 01:38:49,134 INFO L158 Benchmark]: CACSL2BoogieTranslator took 228.91ms. Allocated memory is still 142.6MB. Free memory was 119.4MB in the beginning and 108.9MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-24 01:38:49,134 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.28ms. Allocated memory is still 142.6MB. Free memory was 108.9MB in the beginning and 107.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 01:38:49,135 INFO L158 Benchmark]: Boogie Preprocessor took 37.49ms. Allocated memory is still 142.6MB. Free memory was 107.9MB in the beginning and 106.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 01:38:49,135 INFO L158 Benchmark]: RCFGBuilder took 228.48ms. Allocated memory is still 142.6MB. Free memory was 106.8MB in the beginning and 98.1MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-24 01:38:49,136 INFO L158 Benchmark]: TraceAbstraction took 1081.02ms. Allocated memory is still 142.6MB. Free memory was 97.3MB in the beginning and 70.7MB in the end (delta: 26.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB.
[2024-11-24 01:38:49,139 INFO L158 Benchmark]: Witness Printer took 107.21ms. Allocated memory is still 142.6MB. Free memory was 70.7MB in the beginning and 66.5MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 01:38:49,141 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 1.51ms. Allocated memory is still 142.6MB. Free memory is still 80.4MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 228.91ms. Allocated memory is still 142.6MB. Free memory was 119.4MB in the beginning and 108.9MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 40.28ms. Allocated memory is still 142.6MB. Free memory was 108.9MB in the beginning and 107.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 37.49ms. Allocated memory is still 142.6MB. Free memory was 107.9MB in the beginning and 106.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 228.48ms. Allocated memory is still 142.6MB. Free memory was 106.8MB in the beginning and 98.1MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* TraceAbstraction took 1081.02ms. Allocated memory is still 142.6MB. Free memory was 97.3MB in the beginning and 70.7MB in the end (delta: 26.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB.
* Witness Printer took 107.21ms. Allocated memory is still 142.6MB. Free memory was 70.7MB in the beginning and 66.5MB in the end (delta: 4.3MB). There was no memory consumed. 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: 9]: 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, 13 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 1, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 16 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 6 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=13occurred in iteration=0, InterpolantAutomatonStates: 4, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 28 SizeOfPredicates, 1 NumberOfNonLiveVariables, 41 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 2/4 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2024-11-24 01:38:49,164 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a5aaa0b0-6136-491c-a651-015b205876be/bin/uautomizer-verify-LYvppIcaGC/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