./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/chl-collitem-subst.wvr.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_f19ddd70-ada9-43e6-adab-ab2cd1b156eb/bin/ugemcutter-verify-Z6otQMs9Ca/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19ddd70-ada9-43e6-adab-ab2cd1b156eb/bin/ugemcutter-verify-Z6otQMs9Ca/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19ddd70-ada9-43e6-adab-ab2cd1b156eb/bin/ugemcutter-verify-Z6otQMs9Ca/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19ddd70-ada9-43e6-adab-ab2cd1b156eb/bin/ugemcutter-verify-Z6otQMs9Ca/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/chl-collitem-subst.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19ddd70-ada9-43e6-adab-ab2cd1b156eb/bin/ugemcutter-verify-Z6otQMs9Ca/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19ddd70-ada9-43e6-adab-ab2cd1b156eb/bin/ugemcutter-verify-Z6otQMs9Ca --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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e60e484eb5ab810972130a1d83dccbab591b96ac9007b9b56059ed6674807329
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-23 11:21:39,488 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-23 11:21:39,560 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19ddd70-ada9-43e6-adab-ab2cd1b156eb/bin/ugemcutter-verify-Z6otQMs9Ca/config/svcomp-Reach-32bit-GemCutter_Default.epf
[2024-11-23 11:21:39,565 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-23 11:21:39,565 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-23 11:21:39,590 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-23 11:21:39,591 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-23 11:21:39,591 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-23 11:21:39,591 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-23 11:21:39,592 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-23 11:21:39,592 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-23 11:21:39,592 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-23 11:21:39,592 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-23 11:21:39,593 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-23 11:21:39,593 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-23 11:21:39,593 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-23 11:21:39,593 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-23 11:21:39,593 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-23 11:21:39,593 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-23 11:21:39,594 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-23 11:21:39,594 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-23 11:21:39,594 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-23 11:21:39,594 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-23 11:21:39,594 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-23 11:21:39,594 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-23 11:21:39,594 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-23 11:21:39,595 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-23 11:21:39,595 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-23 11:21:39,595 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-23 11:21:39,595 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-23 11:21:39,595 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-11-23 11:21:39,595 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-23 11:21:39,595 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-23 11:21:39,595 INFO  L153        SettingsManager]:  * Compute procedure contracts=false
[2024-11-23 11:21:39,595 INFO  L153        SettingsManager]:  * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT
[2024-11-23 11:21:39,596 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-23 11:21:39,596 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-23 11:21:39,596 INFO  L153        SettingsManager]:  * DFS Order used in POR=LOOP_LOCKSTEP
[2024-11-23 11:21:39,596 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-23 11:21:39,596 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-23 11:21:39,596 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2024-11-23 11:21:39,596 INFO  L153        SettingsManager]:  * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2024-11-23 11:21:39,596 INFO  L153        SettingsManager]:  * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2024-11-23 11:21:39,596 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
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_f19ddd70-ada9-43e6-adab-ab2cd1b156eb/bin/ugemcutter-verify-Z6otQMs9Ca
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 -> GemCutter
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 -> e60e484eb5ab810972130a1d83dccbab591b96ac9007b9b56059ed6674807329
[2024-11-23 11:21:39,883 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-23 11:21:39,892 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-23 11:21:39,895 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-23 11:21:39,896 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-23 11:21:39,897 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-23 11:21:39,898 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19ddd70-ada9-43e6-adab-ab2cd1b156eb/bin/ugemcutter-verify-Z6otQMs9Ca/../../sv-benchmarks/c/weaver/chl-collitem-subst.wvr.c
[2024-11-23 11:21:42,920 INFO  L533              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19ddd70-ada9-43e6-adab-ab2cd1b156eb/bin/ugemcutter-verify-Z6otQMs9Ca/data/eaddbed6e/dd5bfa8d13d7453fbfd0afb0f7c7c9b0/FLAG107d1361d
[2024-11-23 11:21:43,240 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-23 11:21:43,241 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19ddd70-ada9-43e6-adab-ab2cd1b156eb/sv-benchmarks/c/weaver/chl-collitem-subst.wvr.c
[2024-11-23 11:21:43,249 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19ddd70-ada9-43e6-adab-ab2cd1b156eb/bin/ugemcutter-verify-Z6otQMs9Ca/data/eaddbed6e/dd5bfa8d13d7453fbfd0afb0f7c7c9b0/FLAG107d1361d
[2024-11-23 11:21:43,275 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19ddd70-ada9-43e6-adab-ab2cd1b156eb/bin/ugemcutter-verify-Z6otQMs9Ca/data/eaddbed6e/dd5bfa8d13d7453fbfd0afb0f7c7c9b0
[2024-11-23 11:21:43,278 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-23 11:21:43,279 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-23 11:21:43,283 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-23 11:21:43,284 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-23 11:21:43,292 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-23 11:21:43,297 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:21:43" (1/1) ...
[2024-11-23 11:21:43,298 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@89ca38e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:21:43, skipping insertion in model container
[2024-11-23 11:21:43,298 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:21:43" (1/1) ...
[2024-11-23 11:21:43,321 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-23 11:21:43,555 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_f19ddd70-ada9-43e6-adab-ab2cd1b156eb/sv-benchmarks/c/weaver/chl-collitem-subst.wvr.c[3583,3596]
[2024-11-23 11:21:43,566 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-23 11:21:43,584 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-23 11:21:43,626 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_f19ddd70-ada9-43e6-adab-ab2cd1b156eb/sv-benchmarks/c/weaver/chl-collitem-subst.wvr.c[3583,3596]
[2024-11-23 11:21:43,630 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-23 11:21:43,652 INFO  L204         MainTranslator]: Completed translation
[2024-11-23 11:21:43,652 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:21:43 WrapperNode
[2024-11-23 11:21:43,653 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-23 11:21:43,655 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-23 11:21:43,655 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-23 11:21:43,655 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-23 11:21:43,668 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:21:43" (1/1) ...
[2024-11-23 11:21:43,675 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:21:43" (1/1) ...
[2024-11-23 11:21:43,724 INFO  L138                Inliner]: procedures = 22, calls = 31, calls flagged for inlining = 18, calls inlined = 40, statements flattened = 349
[2024-11-23 11:21:43,724 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-23 11:21:43,725 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-23 11:21:43,725 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-23 11:21:43,725 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-23 11:21:43,740 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:21:43" (1/1) ...
[2024-11-23 11:21:43,740 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:21:43" (1/1) ...
[2024-11-23 11:21:43,748 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:21:43" (1/1) ...
[2024-11-23 11:21:43,748 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:21:43" (1/1) ...
[2024-11-23 11:21:43,761 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:21:43" (1/1) ...
[2024-11-23 11:21:43,763 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:21:43" (1/1) ...
[2024-11-23 11:21:43,766 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:21:43" (1/1) ...
[2024-11-23 11:21:43,768 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:21:43" (1/1) ...
[2024-11-23 11:21:43,770 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:21:43" (1/1) ...
[2024-11-23 11:21:43,776 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-23 11:21:43,777 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-23 11:21:43,777 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-23 11:21:43,777 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-23 11:21:43,781 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:21:43" (1/1) ...
[2024-11-23 11:21:43,795 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-11-23 11:21:43,820 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19ddd70-ada9-43e6-adab-ab2cd1b156eb/bin/ugemcutter-verify-Z6otQMs9Ca/z3
[2024-11-23 11:21:43,833 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19ddd70-ada9-43e6-adab-ab2cd1b156eb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2024-11-23 11:21:43,836 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19ddd70-ada9-43e6-adab-ab2cd1b156eb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2024-11-23 11:21:43,863 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-23 11:21:43,863 INFO  L130     BoogieDeclarations]: Found specification of procedure thread1
[2024-11-23 11:21:43,863 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread1
[2024-11-23 11:21:43,863 INFO  L130     BoogieDeclarations]: Found specification of procedure thread2
[2024-11-23 11:21:43,864 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread2
[2024-11-23 11:21:43,864 INFO  L130     BoogieDeclarations]: Found specification of procedure thread3
[2024-11-23 11:21:43,864 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread3
[2024-11-23 11:21:43,864 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2024-11-23 11:21:43,864 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2024-11-23 11:21:43,864 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2024-11-23 11:21:43,864 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-23 11:21:43,864 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-23 11:21:43,866 WARN  L203             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-11-23 11:21:44,013 INFO  L234             CfgBuilder]: Building ICFG
[2024-11-23 11:21:44,016 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-23 11:21:44,823 INFO  L279             CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-23 11:21:44,824 INFO  L283             CfgBuilder]: Performing block encoding
[2024-11-23 11:21:45,678 INFO  L307             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-23 11:21:45,679 INFO  L312             CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-23 11:21:45,679 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:21:45 BoogieIcfgContainer
[2024-11-23 11:21:45,680 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-23 11:21:45,685 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-23 11:21:45,685 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-23 11:21:45,690 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-23 11:21:45,691 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:21:43" (1/3) ...
[2024-11-23 11:21:45,692 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f6c75a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:21:45, skipping insertion in model container
[2024-11-23 11:21:45,692 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:21:43" (2/3) ...
[2024-11-23 11:21:45,692 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f6c75a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:21:45, skipping insertion in model container
[2024-11-23 11:21:45,692 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:21:45" (3/3) ...
[2024-11-23 11:21:45,693 INFO  L128   eAbstractionObserver]: Analyzing ICFG chl-collitem-subst.wvr.c
[2024-11-23 11:21:45,713 INFO  L216   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-23 11:21:45,716 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG chl-collitem-subst.wvr.c that has 4 procedures, 26 locations, 1 initial locations, 0 loop locations, and 1 error locations.
[2024-11-23 11:21:45,716 INFO  L491   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-23 11:21:45,855 INFO  L143    ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions.
[2024-11-23 11:21:45,921 INFO  L125   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 11:21:45,922 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2024-11-23 11:21:45,922 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19ddd70-ada9-43e6-adab-ab2cd1b156eb/bin/ugemcutter-verify-Z6otQMs9Ca/z3
[2024-11-23 11:21:45,924 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19ddd70-ada9-43e6-adab-ab2cd1b156eb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2024-11-23 11:21:45,929 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19ddd70-ada9-43e6-adab-ab2cd1b156eb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2024-11-23 11:21:46,032 INFO  L177   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2024-11-23 11:21:46,057 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ========
[2024-11-23 11:21:46,068 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=PARTIAL_ORDER_FA, 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;@590685d7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 11:21:46,068 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2024-11-23 11:21:46,334 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-11-23 11:21:46,334 INFO  L305   artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-11-23 11:21:46,334 INFO  L139   ounterexampleChecker]: Examining path program with hash -1604418028, occurence #1
[2024-11-23 11:21:46,334 INFO  L141   ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping...
[2024-11-23 11:21:46,334 INFO  L316   artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-11-23 11:21:46,339 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 11:21:46,340 INFO  L85        PathProgramCache]: Analyzing trace with hash 1553788795, now seen corresponding path program 1 times
[2024-11-23 11:21:46,348 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 11:21:46,349 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309895606]
[2024-11-23 11:21:46,349 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 11:21:46,350 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 11:21:46,936 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 11:21:52,831 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 11:21:52,832 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 11:21:52,832 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309895606]
[2024-11-23 11:21:52,833 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309895606] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 11:21:52,833 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 11:21:52,834 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 11:21:52,835 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618450271]
[2024-11-23 11:21:52,835 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 11:21:52,840 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-23 11:21:52,840 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 11:21:52,863 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 11:21:52,863 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-23 11:21:52,864 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-23 11:21:52,865 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-11-23 11:21:52,869 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 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)
[2024-11-23 11:21:52,869 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-11-23 11:21:53,412 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-11-23 11:21:53,416 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining)
[2024-11-23 11:21:53,417 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining)
[2024-11-23 11:21:53,418 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining)
[2024-11-23 11:21:53,418 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining)
[2024-11-23 11:21:53,419 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-23 11:21:53,426 INFO  L422         BasicCegarLoop]: Path program histogram: [1]
[2024-11-23 11:21:53,432 INFO  L241   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-11-23 11:21:53,433 INFO  L170   ceAbstractionStarter]: Computing trace abstraction results
[2024-11-23 11:21:53,450 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19ddd70-ada9-43e6-adab-ab2cd1b156eb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0
[2024-11-23 11:21:53,451 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:21:53 BasicIcfg
[2024-11-23 11:21:53,451 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-23 11:21:53,452 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-23 11:21:53,452 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2024-11-23 11:21:53,452 INFO  L274        PluginConnector]: Witness Printer initialized
[2024-11-23 11:21:53,452 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:21:45" (3/4) ...
[2024-11-23 11:21:53,456 INFO  L146         WitnessPrinter]: Generating witness for correct program
[2024-11-23 11:21:53,459 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure thread1
[2024-11-23 11:21:53,459 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure thread2
[2024-11-23 11:21:53,460 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure thread3
[2024-11-23 11:21:53,466 INFO  L919   BoogieBacktranslator]: Reduced CFG by removing 103 nodes and edges
[2024-11-23 11:21:53,466 INFO  L919   BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges
[2024-11-23 11:21:53,467 INFO  L919   BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges
[2024-11-23 11:21:53,467 INFO  L919   BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-11-23 11:21:53,562 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19ddd70-ada9-43e6-adab-ab2cd1b156eb/bin/ugemcutter-verify-Z6otQMs9Ca/witness.graphml
[2024-11-23 11:21:53,562 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19ddd70-ada9-43e6-adab-ab2cd1b156eb/bin/ugemcutter-verify-Z6otQMs9Ca/witness.yml
[2024-11-23 11:21:53,562 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-23 11:21:53,564 INFO  L158              Benchmark]: Toolchain (without parser) took 10284.23ms. Allocated memory was 117.4MB in the beginning and 461.4MB in the end (delta: 343.9MB). Free memory was 94.5MB in the beginning and 193.3MB in the end (delta: -98.7MB). Peak memory consumption was 241.4MB. Max. memory is 16.1GB.
[2024-11-23 11:21:53,564 INFO  L158              Benchmark]: CDTParser took 0.43ms. Allocated memory is still 167.8MB. Free memory is still 104.6MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 11:21:53,564 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 371.18ms. Allocated memory is still 117.4MB. Free memory was 94.1MB in the beginning and 82.1MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-23 11:21:53,565 INFO  L158              Benchmark]: Boogie Procedure Inliner took 69.62ms. Allocated memory is still 117.4MB. Free memory was 82.1MB in the beginning and 79.2MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-23 11:21:53,565 INFO  L158              Benchmark]: Boogie Preprocessor took 51.15ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 77.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 11:21:53,565 INFO  L158              Benchmark]: RCFGBuilder took 1904.07ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 77.3MB in the beginning and 270.4MB in the end (delta: -193.1MB). Peak memory consumption was 54.3MB. Max. memory is 16.1GB.
[2024-11-23 11:21:53,566 INFO  L158              Benchmark]: TraceAbstraction took 7766.36ms. Allocated memory was 352.3MB in the beginning and 461.4MB in the end (delta: 109.1MB). Free memory was 269.7MB in the beginning and 197.5MB in the end (delta: 72.2MB). Peak memory consumption was 183.0MB. Max. memory is 16.1GB.
[2024-11-23 11:21:53,566 INFO  L158              Benchmark]: Witness Printer took 110.90ms. Allocated memory is still 461.4MB. Free memory was 197.5MB in the beginning and 193.3MB in the end (delta: 4.3MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 11:21:53,568 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.43ms. Allocated memory is still 167.8MB. Free memory is still 104.6MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 371.18ms. Allocated memory is still 117.4MB. Free memory was 94.1MB in the beginning and 82.1MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 69.62ms. Allocated memory is still 117.4MB. Free memory was 82.1MB in the beginning and 79.2MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 51.15ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 77.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB.
 * RCFGBuilder took 1904.07ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 77.3MB in the beginning and 270.4MB in the end (delta: -193.1MB). Peak memory consumption was 54.3MB. Max. memory is 16.1GB.
 * TraceAbstraction took 7766.36ms. Allocated memory was 352.3MB in the beginning and 461.4MB in the end (delta: 109.1MB). Free memory was 269.7MB in the beginning and 197.5MB in the end (delta: 72.2MB). Peak memory consumption was 183.0MB. Max. memory is 16.1GB.
 * Witness Printer took 110.90ms. Allocated memory is still 461.4MB. Free memory was 197.5MB in the beginning and 193.3MB 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: Partial order reduction statistics
    Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 392, independent: 388, independent conditional: 138, independent unconditional: 250, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 392, independent: 388, independent conditional: 138, independent unconditional: 250, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 392, independent: 388, independent conditional: 138, independent unconditional: 250, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 392, independent: 388, independent conditional: 138, independent unconditional: 250, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 392, independent: 388, independent conditional: 0, independent unconditional: 388, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 392, independent: 388, independent conditional: 0, independent unconditional: 388, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 254, independent: 250, independent conditional: 0, independent unconditional: 250, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 254, independent: 248, independent conditional: 0, independent unconditional: 248, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 247, independent: 103, independent conditional: 0, independent unconditional: 103, dependent: 143, dependent conditional: 0, dependent unconditional: 143, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 392, independent: 138, independent conditional: 0, independent unconditional: 138, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 254, unknown conditional: 0, unknown unconditional: 254] , Statistics on independence cache: Total cache size (in pairs): 254, Positive cache size: 250, Positive conditional cache size: 0, Positive unconditional cache size: 250, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 138, Maximal queried relation: 0, Independence queries for same thread: 0, Persistent sets #1 benchmarks: Persistent set computation time: 0.3s, Number of persistent set computation: 66, Number of trivial persistent sets: 48, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 254, independent: 250, independent conditional: 0, independent unconditional: 250, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 392, independent: 388, independent conditional: 138, independent unconditional: 250, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 392, independent: 388, independent conditional: 138, independent unconditional: 250, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 392, independent: 388, independent conditional: 138, independent unconditional: 250, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 392, independent: 388, independent conditional: 138, independent unconditional: 250, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 392, independent: 388, independent conditional: 0, independent unconditional: 388, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 392, independent: 388, independent conditional: 0, independent unconditional: 388, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 254, independent: 250, independent conditional: 0, independent unconditional: 250, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 254, independent: 248, independent conditional: 0, independent unconditional: 248, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 247, independent: 103, independent conditional: 0, independent unconditional: 103, dependent: 143, dependent conditional: 0, dependent unconditional: 143, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 392, independent: 138, independent conditional: 0, independent unconditional: 138, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 254, unknown conditional: 0, unknown unconditional: 254] , Statistics on independence cache: Total cache size (in pairs): 254, Positive cache size: 250, Positive conditional cache size: 0, Positive unconditional cache size: 250, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 138, Maximal queried relation: 0, Independence queries for same thread: 0
  - PositiveResult [Line: 101]: 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 for errors in thread instance: ULTIMATE.start with 1 thread instances
    CFG has 7 procedures, 41 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 7.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.8s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 5.9s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 969 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: SuccessfulCommutativityProofs: 0, ConComChecker Statistics: CheckTime [ms]: 0, ConditionCalculationTime [ms]: 0, ConditionCalculations: 0, QuantifiedConditions: 0, TraceChecks: 0, UnknownTraceChecks: 0, ImperfectProofs: 0
  - AllSpecificationsHoldResult: All specifications hold
    1 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2024-11-23 11:21:53,588 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f19ddd70-ada9-43e6-adab-ab2cd1b156eb/bin/ugemcutter-verify-Z6otQMs9Ca/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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