./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/test-easy8.wvr.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version d790fecc
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2222fbd0-4a64-4fca-aebd-6ebb35684679/bin/ugemcutter-verify-fG3NtRWMco/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2222fbd0-4a64-4fca-aebd-6ebb35684679/bin/ugemcutter-verify-fG3NtRWMco/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2222fbd0-4a64-4fca-aebd-6ebb35684679/bin/ugemcutter-verify-fG3NtRWMco/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2222fbd0-4a64-4fca-aebd-6ebb35684679/bin/ugemcutter-verify-fG3NtRWMco/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/test-easy8.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2222fbd0-4a64-4fca-aebd-6ebb35684679/bin/ugemcutter-verify-fG3NtRWMco/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2222fbd0-4a64-4fca-aebd-6ebb35684679/bin/ugemcutter-verify-fG3NtRWMco --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 8f1ab1ba58134315bb95f4d7907dcf46708a987e1262dae752b0729e60618d99
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-11-27 06:28:43,385 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-27 06:28:43,486 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2222fbd0-4a64-4fca-aebd-6ebb35684679/bin/ugemcutter-verify-fG3NtRWMco/config/svcomp-Reach-32bit-GemCutter_Default.epf
[2024-11-27 06:28:43,497 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-27 06:28:43,497 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-27 06:28:43,535 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-27 06:28:43,535 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-27 06:28:43,536 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-27 06:28:43,536 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-27 06:28:43,536 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-27 06:28:43,536 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-27 06:28:43,537 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-27 06:28:43,537 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-27 06:28:43,537 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-27 06:28:43,537 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-27 06:28:43,538 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-27 06:28:43,538 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-27 06:28:43,539 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-27 06:28:43,539 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-27 06:28:43,539 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-27 06:28:43,539 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-27 06:28:43,540 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-27 06:28:43,540 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-27 06:28:43,540 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-27 06:28:43,540 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-27 06:28:43,540 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-27 06:28:43,541 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-27 06:28:43,541 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-27 06:28:43,541 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-27 06:28:43,541 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-27 06:28:43,541 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-11-27 06:28:43,542 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-27 06:28:43,542 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-27 06:28:43,542 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-11-27 06:28:43,542 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT
[2024-11-27 06:28:43,542 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-27 06:28:43,542 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-27 06:28:43,542 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP
[2024-11-27 06:28:43,542 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-27 06:28:43,542 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-27 06:28:43,542 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2024-11-27 06:28:43,542 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2024-11-27 06:28:43,543 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2024-11-27 06:28:43,543 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_2222fbd0-4a64-4fca-aebd-6ebb35684679/bin/ugemcutter-verify-fG3NtRWMco
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 -> 8f1ab1ba58134315bb95f4d7907dcf46708a987e1262dae752b0729e60618d99
[2024-11-27 06:28:43,895 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-27 06:28:43,904 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-27 06:28:43,909 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-27 06:28:43,911 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-27 06:28:43,911 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-27 06:28:43,913 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2222fbd0-4a64-4fca-aebd-6ebb35684679/bin/ugemcutter-verify-fG3NtRWMco/../../sv-benchmarks/c/weaver/test-easy8.wvr.c
[2024-11-27 06:28:47,218 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2222fbd0-4a64-4fca-aebd-6ebb35684679/bin/ugemcutter-verify-fG3NtRWMco/data/df890bd2b/9a3462800be546d9a204e5fa839fb2e7/FLAG633ea3aa5
[2024-11-27 06:28:47,542 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-27 06:28:47,543 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2222fbd0-4a64-4fca-aebd-6ebb35684679/sv-benchmarks/c/weaver/test-easy8.wvr.c
[2024-11-27 06:28:47,558 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2222fbd0-4a64-4fca-aebd-6ebb35684679/bin/ugemcutter-verify-fG3NtRWMco/data/df890bd2b/9a3462800be546d9a204e5fa839fb2e7/FLAG633ea3aa5
[2024-11-27 06:28:47,583 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2222fbd0-4a64-4fca-aebd-6ebb35684679/bin/ugemcutter-verify-fG3NtRWMco/data/df890bd2b/9a3462800be546d9a204e5fa839fb2e7
[2024-11-27 06:28:47,588 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-27 06:28:47,590 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-27 06:28:47,592 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-27 06:28:47,592 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-27 06:28:47,597 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-27 06:28:47,598 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 06:28:47" (1/1) ...
[2024-11-27 06:28:47,602 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b4c9939 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:28:47, skipping insertion in model container
[2024-11-27 06:28:47,602 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 06:28:47" (1/1) ...
[2024-11-27 06:28:47,620 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-27 06:28:47,818 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_2222fbd0-4a64-4fca-aebd-6ebb35684679/sv-benchmarks/c/weaver/test-easy8.wvr.c[2007,2020]
[2024-11-27 06:28:47,824 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-27 06:28:47,836 INFO L200 MainTranslator]: Completed pre-run
[2024-11-27 06:28:47,867 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_2222fbd0-4a64-4fca-aebd-6ebb35684679/sv-benchmarks/c/weaver/test-easy8.wvr.c[2007,2020]
[2024-11-27 06:28:47,868 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-27 06:28:47,895 INFO L204 MainTranslator]: Completed translation
[2024-11-27 06:28:47,895 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:28:47 WrapperNode
[2024-11-27 06:28:47,896 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-27 06:28:47,899 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-27 06:28:47,899 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-27 06:28:47,899 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-27 06:28:47,908 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:28:47" (1/1) ...
[2024-11-27 06:28:47,920 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:28:47" (1/1) ...
[2024-11-27 06:28:47,940 INFO L138 Inliner]: procedures = 20, calls = 14, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 53
[2024-11-27 06:28:47,942 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-27 06:28:47,943 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-27 06:28:47,944 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-27 06:28:47,944 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-27 06:28:47,953 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:28:47" (1/1) ...
[2024-11-27 06:28:47,953 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:28:47" (1/1) ...
[2024-11-27 06:28:47,959 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:28:47" (1/1) ...
[2024-11-27 06:28:47,959 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:28:47" (1/1) ...
[2024-11-27 06:28:47,966 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:28:47" (1/1) ...
[2024-11-27 06:28:47,967 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:28:47" (1/1) ...
[2024-11-27 06:28:47,969 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:28:47" (1/1) ...
[2024-11-27 06:28:47,970 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:28:47" (1/1) ...
[2024-11-27 06:28:47,971 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:28:47" (1/1) ...
[2024-11-27 06:28:47,973 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-27 06:28:47,977 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-27 06:28:47,977 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-27 06:28:47,977 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-27 06:28:47,979 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:28:47" (1/1) ...
[2024-11-27 06:28:47,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-11-27 06:28:48,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2222fbd0-4a64-4fca-aebd-6ebb35684679/bin/ugemcutter-verify-fG3NtRWMco/z3
[2024-11-27 06:28:48,015 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2222fbd0-4a64-4fca-aebd-6ebb35684679/bin/ugemcutter-verify-fG3NtRWMco/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2024-11-27 06:28:48,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2222fbd0-4a64-4fca-aebd-6ebb35684679/bin/ugemcutter-verify-fG3NtRWMco/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2024-11-27 06:28:48,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-27 06:28:48,054 INFO L130 BoogieDeclarations]: Found specification of procedure thread1
[2024-11-27 06:28:48,054 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1
[2024-11-27 06:28:48,054 INFO L130 BoogieDeclarations]: Found specification of procedure thread2
[2024-11-27 06:28:48,054 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2
[2024-11-27 06:28:48,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2024-11-27 06:28:48,054 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2024-11-27 06:28:48,054 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2024-11-27 06:28:48,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-27 06:28:48,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-27 06:28:48,056 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-11-27 06:28:48,156 INFO L234 CfgBuilder]: Building ICFG
[2024-11-27 06:28:48,158 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-27 06:28:48,374 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-27 06:28:48,375 INFO L283 CfgBuilder]: Performing block encoding
[2024-11-27 06:28:48,547 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-27 06:28:48,548 INFO L312 CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-27 06:28:48,548 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 06:28:48 BoogieIcfgContainer
[2024-11-27 06:28:48,549 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-27 06:28:48,552 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-27 06:28:48,552 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-27 06:28:48,558 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-27 06:28:48,559 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 06:28:47" (1/3) ...
[2024-11-27 06:28:48,559 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7086167a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 06:28:48, skipping insertion in model container
[2024-11-27 06:28:48,559 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:28:47" (2/3) ...
[2024-11-27 06:28:48,560 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7086167a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 06:28:48, skipping insertion in model container
[2024-11-27 06:28:48,560 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 06:28:48" (3/3) ...
[2024-11-27 06:28:48,562 INFO L128 eAbstractionObserver]: Analyzing ICFG test-easy8.wvr.c
[2024-11-27 06:28:48,581 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-27 06:28:48,583 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG test-easy8.wvr.c that has 3 procedures, 19 locations, 1 initial locations, 0 loop locations, and 1 error locations.
[2024-11-27 06:28:48,583 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-27 06:28:48,646 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2024-11-27 06:28:48,719 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-27 06:28:48,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2024-11-27 06:28:48,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2222fbd0-4a64-4fca-aebd-6ebb35684679/bin/ugemcutter-verify-fG3NtRWMco/z3
[2024-11-27 06:28:48,722 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2222fbd0-4a64-4fca-aebd-6ebb35684679/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2024-11-27 06:28:48,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2222fbd0-4a64-4fca-aebd-6ebb35684679/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2024-11-27 06:28:48,805 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2024-11-27 06:28:48,829 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ========
[2024-11-27 06:28:48,836 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;@19a55822, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-27 06:28:48,836 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations.
[2024-11-27 06:28:49,070 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-11-27 06:28:49,071 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-11-27 06:28:49,071 INFO L139 ounterexampleChecker]: Examining path program with hash 161170, occurence #1
[2024-11-27 06:28:49,071 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping...
[2024-11-27 06:28:49,071 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-11-27 06:28:49,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-27 06:28:49,076 INFO L85 PathProgramCache]: Analyzing trace with hash 372584668, now seen corresponding path program 1 times
[2024-11-27 06:28:49,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-27 06:28:49,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357237464]
[2024-11-27 06:28:49,082 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-27 06:28:49,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-27 06:28:49,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-27 06:28:49,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-27 06:28:49,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-27 06:28:49,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357237464]
[2024-11-27 06:28:49,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357237464] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-27 06:28:49,545 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-27 06:28:49,545 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-27 06:28:49,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778924018]
[2024-11-27 06:28:49,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-27 06:28:49,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-27 06:28:49,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-27 06:28:49,575 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-27 06:28:49,576 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-27 06:28:49,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-27 06:28:49,579 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-11-27 06:28:49,584 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 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)
[2024-11-27 06:28:49,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-11-27 06:28:49,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-27 06:28:49,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-27 06:28:49,781 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-11-27 06:28:49,781 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-11-27 06:28:49,781 INFO L139 ounterexampleChecker]: Examining path program with hash -272066382, occurence #1
[2024-11-27 06:28:49,781 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping...
[2024-11-27 06:28:49,781 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-11-27 06:28:49,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-27 06:28:49,783 INFO L85 PathProgramCache]: Analyzing trace with hash -1147095268, now seen corresponding path program 2 times
[2024-11-27 06:28:49,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-27 06:28:49,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930849724]
[2024-11-27 06:28:49,784 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-27 06:28:49,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-27 06:28:49,834 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2024-11-27 06:28:49,834 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-27 06:28:50,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-27 06:28:50,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-27 06:28:50,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930849724]
[2024-11-27 06:28:50,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930849724] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-27 06:28:50,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-27 06:28:50,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-27 06:28:50,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200804518]
[2024-11-27 06:28:50,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-27 06:28:50,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-27 06:28:50,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-27 06:28:50,117 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-27 06:28:50,120 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-27 06:28:50,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-27 06:28:50,121 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-11-27 06:28:50,121 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 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)
[2024-11-27 06:28:50,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-11-27 06:28:50,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-11-27 06:28:50,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-27 06:28:50,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-27 06:28:50,292 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining)
[2024-11-27 06:28:50,292 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining)
[2024-11-27 06:28:50,293 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining)
[2024-11-27 06:28:50,293 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-27 06:28:50,299 INFO L422 BasicCegarLoop]: Path program histogram: [2]
[2024-11-27 06:28:50,304 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-11-27 06:28:50,304 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-27 06:28:50,320 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2222fbd0-4a64-4fca-aebd-6ebb35684679/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0
[2024-11-27 06:28:50,321 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 06:28:50 BasicIcfg
[2024-11-27 06:28:50,321 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-27 06:28:50,321 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-27 06:28:50,322 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-27 06:28:50,322 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-27 06:28:50,322 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 06:28:48" (3/4) ...
[2024-11-27 06:28:50,325 INFO L146 WitnessPrinter]: Generating witness for correct program
[2024-11-27 06:28:50,329 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1
[2024-11-27 06:28:50,329 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2
[2024-11-27 06:28:50,333 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 39 nodes and edges
[2024-11-27 06:28:50,333 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges
[2024-11-27 06:28:50,333 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges
[2024-11-27 06:28:50,333 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2024-11-27 06:28:50,412 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2222fbd0-4a64-4fca-aebd-6ebb35684679/bin/ugemcutter-verify-fG3NtRWMco/witness.graphml
[2024-11-27 06:28:50,413 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2222fbd0-4a64-4fca-aebd-6ebb35684679/bin/ugemcutter-verify-fG3NtRWMco/witness.yml
[2024-11-27 06:28:50,413 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-27 06:28:50,415 INFO L158 Benchmark]: Toolchain (without parser) took 2824.62ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 42.8MB in the end (delta: 49.6MB). Peak memory consumption was 46.4MB. Max. memory is 16.1GB.
[2024-11-27 06:28:50,416 INFO L158 Benchmark]: CDTParser took 0.67ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 72.7MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-27 06:28:50,416 INFO L158 Benchmark]: CACSL2BoogieTranslator took 306.34ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 81.4MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-27 06:28:50,418 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.90ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 80.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-27 06:28:50,419 INFO L158 Benchmark]: Boogie Preprocessor took 29.54ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 79.3MB in the end (delta: 826.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-27 06:28:50,420 INFO L158 Benchmark]: RCFGBuilder took 571.85ms. Allocated memory is still 117.4MB. Free memory was 79.3MB in the beginning and 61.4MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-27 06:28:50,421 INFO L158 Benchmark]: TraceAbstraction took 1768.84ms. Allocated memory is still 117.4MB. Free memory was 60.9MB in the beginning and 46.9MB in the end (delta: 14.1MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB.
[2024-11-27 06:28:50,422 INFO L158 Benchmark]: Witness Printer took 91.93ms. Allocated memory is still 117.4MB. Free memory was 46.9MB in the beginning and 42.8MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-27 06:28:50,425 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.67ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 72.7MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 306.34ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 81.4MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 43.90ms. Allocated memory is still 117.4MB. Free memory was 81.4MB in the beginning and 80.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 29.54ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 79.3MB in the end (delta: 826.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* RCFGBuilder took 571.85ms. Allocated memory is still 117.4MB. Free memory was 79.3MB in the beginning and 61.4MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 1768.84ms. Allocated memory is still 117.4MB. Free memory was 60.9MB in the beginning and 46.9MB in the end (delta: 14.1MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB.
* Witness Printer took 91.93ms. Allocated memory is still 117.4MB. Free memory was 46.9MB in the beginning and 42.8MB in the end (delta: 4.0MB). 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: 146, independent: 140, independent conditional: 55, independent unconditional: 85, dependent: 6, dependent conditional: 2, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 146, independent: 140, independent conditional: 55, independent unconditional: 85, dependent: 6, dependent conditional: 2, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 146, independent: 140, independent conditional: 55, independent unconditional: 85, dependent: 6, dependent conditional: 2, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 148, independent: 140, independent conditional: 55, independent unconditional: 85, dependent: 8, dependent conditional: 4, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 148, independent: 140, independent conditional: 0, independent unconditional: 140, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 148, independent: 140, independent conditional: 0, independent unconditional: 140, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 89, independent: 85, independent conditional: 0, independent unconditional: 85, 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: 89, independent: 84, independent conditional: 0, independent unconditional: 84, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 5, independent: 1, independent conditional: 0, independent unconditional: 1, 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: 5, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 271, independent: 80, independent conditional: 0, independent unconditional: 80, dependent: 191, dependent conditional: 0, dependent unconditional: 191, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 148, independent: 55, independent conditional: 0, independent unconditional: 55, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 89, unknown conditional: 0, unknown unconditional: 89] , Statistics on independence cache: Total cache size (in pairs): 89, Positive cache size: 85, Positive conditional cache size: 0, Positive unconditional cache size: 85, 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: 59, Maximal queried relation: 1, Independence queries for same thread: 0, Persistent sets #1 benchmarks: Persistent set computation time: 0.3s, Number of persistent set computation: 24, Number of trivial persistent sets: 15, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 89, independent: 85, independent conditional: 0, independent unconditional: 85, 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: 146, independent: 140, independent conditional: 55, independent unconditional: 85, dependent: 6, dependent conditional: 2, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 146, independent: 140, independent conditional: 55, independent unconditional: 85, dependent: 6, dependent conditional: 2, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 146, independent: 140, independent conditional: 55, independent unconditional: 85, dependent: 6, dependent conditional: 2, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 148, independent: 140, independent conditional: 55, independent unconditional: 85, dependent: 8, dependent conditional: 4, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 148, independent: 140, independent conditional: 0, independent unconditional: 140, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 148, independent: 140, independent conditional: 0, independent unconditional: 140, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 89, independent: 85, independent conditional: 0, independent unconditional: 85, 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: 89, independent: 84, independent conditional: 0, independent unconditional: 84, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 5, independent: 1, independent conditional: 0, independent unconditional: 1, 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: 5, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 271, independent: 80, independent conditional: 0, independent unconditional: 80, dependent: 191, dependent conditional: 0, dependent unconditional: 191, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 148, independent: 55, independent conditional: 0, independent unconditional: 55, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 89, unknown conditional: 0, unknown unconditional: 89] , Statistics on independence cache: Total cache size (in pairs): 89, Positive cache size: 85, Positive conditional cache size: 0, Positive unconditional cache size: 85, 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: 59, Maximal queried relation: 1, Independence queries for same thread: 0
- PositiveResult [Line: 75]: 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 5 procedures, 29 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.6s, 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: 7, 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, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 28 ConstructedInterpolants, 0 QuantifiedInterpolants, 50 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: 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!
[2024-11-27 06:28:50,458 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2222fbd0-4a64-4fca-aebd-6ebb35684679/bin/ugemcutter-verify-fG3NtRWMco/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE