./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/bigshot_s2.i --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_ed759a1e-e9b9-41d6-8f6a-cb12930cbd19/bin/ugemcutter-verify-Z6otQMs9Ca/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed759a1e-e9b9-41d6-8f6a-cb12930cbd19/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_ed759a1e-e9b9-41d6-8f6a-cb12930cbd19/bin/ugemcutter-verify-Z6otQMs9Ca/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed759a1e-e9b9-41d6-8f6a-cb12930cbd19/bin/ugemcutter-verify-Z6otQMs9Ca/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread/bigshot_s2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed759a1e-e9b9-41d6-8f6a-cb12930cbd19/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_ed759a1e-e9b9-41d6-8f6a-cb12930cbd19/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 fa644cc26c2bb4f900e6af52233648196eb4dff503d36a50559ddcf2a4270ffb
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-23 11:32:06,794 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-23 11:32:06,897 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed759a1e-e9b9-41d6-8f6a-cb12930cbd19/bin/ugemcutter-verify-Z6otQMs9Ca/config/svcomp-Reach-32bit-GemCutter_Default.epf
[2024-11-23 11:32:06,902 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-23 11:32:06,902 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-23 11:32:06,929 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-23 11:32:06,931 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-23 11:32:06,931 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-23 11:32:06,931 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-23 11:32:06,931 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-23 11:32:06,932 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-23 11:32:06,932 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-23 11:32:06,932 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-23 11:32:06,932 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-23 11:32:06,932 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-23 11:32:06,932 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-23 11:32:06,933 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-23 11:32:06,933 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-23 11:32:06,933 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-23 11:32:06,933 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-23 11:32:06,933 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-23 11:32:06,933 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-23 11:32:06,933 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-23 11:32:06,933 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-23 11:32:06,933 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-23 11:32:06,934 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-23 11:32:06,934 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-23 11:32:06,934 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-23 11:32:06,934 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-23 11:32:06,934 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-23 11:32:06,934 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-11-23 11:32:06,936 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-23 11:32:06,936 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-23 11:32:06,937 INFO  L153        SettingsManager]:  * Compute procedure contracts=false
[2024-11-23 11:32:06,937 INFO  L153        SettingsManager]:  * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT
[2024-11-23 11:32:06,937 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-23 11:32:06,937 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-23 11:32:06,937 INFO  L153        SettingsManager]:  * DFS Order used in POR=LOOP_LOCKSTEP
[2024-11-23 11:32:06,937 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-23 11:32:06,937 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-23 11:32:06,937 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2024-11-23 11:32:06,938 INFO  L153        SettingsManager]:  * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2024-11-23 11:32:06,938 INFO  L153        SettingsManager]:  * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2024-11-23 11:32:06,938 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_ed759a1e-e9b9-41d6-8f6a-cb12930cbd19/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 -> fa644cc26c2bb4f900e6af52233648196eb4dff503d36a50559ddcf2a4270ffb
[2024-11-23 11:32:07,271 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-23 11:32:07,281 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-23 11:32:07,284 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-23 11:32:07,285 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-23 11:32:07,286 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-23 11:32:07,287 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed759a1e-e9b9-41d6-8f6a-cb12930cbd19/bin/ugemcutter-verify-Z6otQMs9Ca/../../sv-benchmarks/c/pthread/bigshot_s2.i
[2024-11-23 11:32:10,437 INFO  L533              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed759a1e-e9b9-41d6-8f6a-cb12930cbd19/bin/ugemcutter-verify-Z6otQMs9Ca/data/122041869/92deb722b5884af3954b40c3d60198ac/FLAG93da9a10b
[2024-11-23 11:32:11,012 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-23 11:32:11,017 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed759a1e-e9b9-41d6-8f6a-cb12930cbd19/sv-benchmarks/c/pthread/bigshot_s2.i
[2024-11-23 11:32:11,047 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed759a1e-e9b9-41d6-8f6a-cb12930cbd19/bin/ugemcutter-verify-Z6otQMs9Ca/data/122041869/92deb722b5884af3954b40c3d60198ac/FLAG93da9a10b
[2024-11-23 11:32:11,538 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed759a1e-e9b9-41d6-8f6a-cb12930cbd19/bin/ugemcutter-verify-Z6otQMs9Ca/data/122041869/92deb722b5884af3954b40c3d60198ac
[2024-11-23 11:32:11,543 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-23 11:32:11,545 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-23 11:32:11,568 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-23 11:32:11,568 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-23 11:32:11,574 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-23 11:32:11,574 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:32:11" (1/1) ...
[2024-11-23 11:32:11,576 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f4e40bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:11, skipping insertion in model container
[2024-11-23 11:32:11,576 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:32:11" (1/1) ...
[2024-11-23 11:32:11,641 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-23 11:32:12,354 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_ed759a1e-e9b9-41d6-8f6a-cb12930cbd19/sv-benchmarks/c/pthread/bigshot_s2.i[55203,55216]
[2024-11-23 11:32:12,382 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-23 11:32:12,397 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-23 11:32:12,454 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_ed759a1e-e9b9-41d6-8f6a-cb12930cbd19/sv-benchmarks/c/pthread/bigshot_s2.i[55203,55216]
[2024-11-23 11:32:12,459 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-23 11:32:12,535 INFO  L204         MainTranslator]: Completed translation
[2024-11-23 11:32:12,535 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:12 WrapperNode
[2024-11-23 11:32:12,536 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-23 11:32:12,537 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-23 11:32:12,538 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-23 11:32:12,538 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-23 11:32:12,546 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:12" (1/1) ...
[2024-11-23 11:32:12,580 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:12" (1/1) ...
[2024-11-23 11:32:12,614 INFO  L138                Inliner]: procedures = 322, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57
[2024-11-23 11:32:12,616 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-23 11:32:12,617 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-23 11:32:12,617 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-23 11:32:12,617 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-23 11:32:12,623 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:12" (1/1) ...
[2024-11-23 11:32:12,623 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:12" (1/1) ...
[2024-11-23 11:32:12,627 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:12" (1/1) ...
[2024-11-23 11:32:12,627 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:12" (1/1) ...
[2024-11-23 11:32:12,640 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:12" (1/1) ...
[2024-11-23 11:32:12,645 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:12" (1/1) ...
[2024-11-23 11:32:12,648 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:12" (1/1) ...
[2024-11-23 11:32:12,649 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:12" (1/1) ...
[2024-11-23 11:32:12,651 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:12" (1/1) ...
[2024-11-23 11:32:12,653 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-23 11:32:12,654 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-23 11:32:12,654 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-23 11:32:12,654 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-23 11:32:12,655 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:12" (1/1) ...
[2024-11-23 11:32:12,666 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-11-23 11:32:12,684 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed759a1e-e9b9-41d6-8f6a-cb12930cbd19/bin/ugemcutter-verify-Z6otQMs9Ca/z3
[2024-11-23 11:32:12,701 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed759a1e-e9b9-41d6-8f6a-cb12930cbd19/bin/ugemcutter-verify-Z6otQMs9Ca/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2024-11-23 11:32:12,709 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed759a1e-e9b9-41d6-8f6a-cb12930cbd19/bin/ugemcutter-verify-Z6otQMs9Ca/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2024-11-23 11:32:12,738 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int
[2024-11-23 11:32:12,738 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2024-11-23 11:32:12,738 INFO  L130     BoogieDeclarations]: Found specification of procedure thread1
[2024-11-23 11:32:12,738 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread1
[2024-11-23 11:32:12,738 INFO  L130     BoogieDeclarations]: Found specification of procedure thread2
[2024-11-23 11:32:12,738 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread2
[2024-11-23 11:32:12,738 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2024-11-23 11:32:12,739 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-23 11:32:12,739 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2024-11-23 11:32:12,739 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-23 11:32:12,739 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-23 11:32:12,740 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 11:32:12,927 INFO  L234             CfgBuilder]: Building ICFG
[2024-11-23 11:32:12,929 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-23 11:32:13,160 INFO  L279             CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-23 11:32:13,161 INFO  L283             CfgBuilder]: Performing block encoding
[2024-11-23 11:32:13,379 INFO  L307             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-23 11:32:13,381 INFO  L312             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-23 11:32:13,382 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:32:13 BoogieIcfgContainer
[2024-11-23 11:32:13,382 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-23 11:32:13,386 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-23 11:32:13,386 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-23 11:32:13,392 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-23 11:32:13,392 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:32:11" (1/3) ...
[2024-11-23 11:32:13,393 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7721b8c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:32:13, skipping insertion in model container
[2024-11-23 11:32:13,393 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:32:12" (2/3) ...
[2024-11-23 11:32:13,393 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7721b8c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:32:13, skipping insertion in model container
[2024-11-23 11:32:13,394 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:32:13" (3/3) ...
[2024-11-23 11:32:13,395 INFO  L128   eAbstractionObserver]: Analyzing ICFG bigshot_s2.i
[2024-11-23 11:32:13,412 INFO  L216   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-23 11:32:13,414 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG bigshot_s2.i that has 3 procedures, 23 locations, 1 initial locations, 1 loop locations, and 1 error locations.
[2024-11-23 11:32:13,418 INFO  L491   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-23 11:32:13,485 INFO  L143    ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2024-11-23 11:32:13,555 INFO  L125   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 11:32:13,556 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2024-11-23 11:32:13,557 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed759a1e-e9b9-41d6-8f6a-cb12930cbd19/bin/ugemcutter-verify-Z6otQMs9Ca/z3
[2024-11-23 11:32:13,561 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed759a1e-e9b9-41d6-8f6a-cb12930cbd19/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2024-11-23 11:32:13,567 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed759a1e-e9b9-41d6-8f6a-cb12930cbd19/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2024-11-23 11:32:13,646 INFO  L177   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2024-11-23 11:32:13,666 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ========
[2024-11-23 11:32:13,674 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;@642d2455, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 11:32:13,674 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 3 error locations.
[2024-11-23 11:32:14,236 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-11-23 11:32:14,236 INFO  L305   artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-11-23 11:32:14,237 INFO  L139   ounterexampleChecker]: Examining path program with hash -643221357, occurence #1
[2024-11-23 11:32:14,237 INFO  L141   ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping...
[2024-11-23 11:32:14,237 INFO  L316   artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-11-23 11:32:14,243 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 11:32:14,244 INFO  L85        PathProgramCache]: Analyzing trace with hash -1735421001, now seen corresponding path program 1 times
[2024-11-23 11:32:14,253 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 11:32:14,254 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218011711]
[2024-11-23 11:32:14,257 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 11:32:14,258 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 11:32:14,398 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 11:32:14,562 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 11:32:14,562 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 11:32:14,562 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218011711]
[2024-11-23 11:32:14,563 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218011711] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 11:32:14,563 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 11:32:14,563 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-23 11:32:14,565 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507049709]
[2024-11-23 11:32:14,565 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 11:32:14,569 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 11:32:14,569 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 11:32:14,597 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 11:32:14,597 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 11:32:14,598 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-23 11:32:14,600 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-11-23 11:32:14,602 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)
[2024-11-23 11:32:14,602 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-11-23 11:32:14,662 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-23 11:32:14,662 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-23 11:32:14,663 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-11-23 11:32:14,663 INFO  L305   artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-11-23 11:32:14,663 INFO  L139   ounterexampleChecker]: Examining path program with hash 10621657, occurence #1
[2024-11-23 11:32:14,663 INFO  L141   ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping...
[2024-11-23 11:32:14,663 INFO  L316   artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-11-23 11:32:14,664 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 11:32:14,664 INFO  L85        PathProgramCache]: Analyzing trace with hash 500860533, now seen corresponding path program 1 times
[2024-11-23 11:32:14,664 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 11:32:14,664 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641721479]
[2024-11-23 11:32:14,664 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 11:32:14,664 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 11:32:14,724 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 11:32:15,504 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 11:32:15,504 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 11:32:15,505 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641721479]
[2024-11-23 11:32:15,505 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641721479] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 11:32:15,505 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 11:32:15,505 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-23 11:32:15,505 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515059728]
[2024-11-23 11:32:15,505 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 11:32:15,506 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-23 11:32:15,506 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 11:32:15,507 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-23 11:32:15,507 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2024-11-23 11:32:15,510 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-23 11:32:15,510 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-11-23 11:32:15,511 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 6 states have internal predecessors, (18), 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 11:32:15,511 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-11-23 11:32:15,511 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-11-23 11:32:15,711 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-23 11:32:15,712 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-11-23 11:32:15,712 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-23 11:32:15,712 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-11-23 11:32:15,712 INFO  L305   artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-11-23 11:32:15,712 INFO  L139   ounterexampleChecker]: Examining path program with hash 10621657, occurence #2
[2024-11-23 11:32:15,713 INFO  L145   ounterexampleChecker]: Trying to synthesize and prove commutativity condition.
[2024-11-23 11:32:15,713 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1
[2024-11-23 11:32:15,765 WARN  L190   ounterexampleChecker]: Statements were already independent.
[2024-11-23 11:32:15,765 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3
[2024-11-23 11:32:15,766 WARN  L190   ounterexampleChecker]: Statements were already independent.
[2024-11-23 11:32:15,766 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6
[2024-11-23 11:32:15,767 WARN  L190   ounterexampleChecker]: Statements were already independent.
[2024-11-23 11:32:15,767 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11
[2024-11-23 11:32:15,767 INFO  L209   ounterexampleChecker]: No commutativity condition found.
[2024-11-23 11:32:15,767 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13
[2024-11-23 11:32:15,767 INFO  L209   ounterexampleChecker]: No commutativity condition found.
[2024-11-23 11:32:15,767 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14
[2024-11-23 11:32:15,767 INFO  L209   ounterexampleChecker]: No commutativity condition found.
[2024-11-23 11:32:15,767 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16
[2024-11-23 11:32:15,768 WARN  L190   ounterexampleChecker]: Statements were already independent.
[2024-11-23 11:32:15,768 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17
[2024-11-23 11:32:15,768 INFO  L209   ounterexampleChecker]: No commutativity condition found.
[2024-11-23 11:32:15,768 WARN  L214   ounterexampleChecker]: Failed to synthesize and prove commutativity condition.
[2024-11-23 11:32:15,768 INFO  L316   artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-11-23 11:32:15,768 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 11:32:15,768 INFO  L85        PathProgramCache]: Analyzing trace with hash 68892728, now seen corresponding path program 1 times
[2024-11-23 11:32:15,768 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 11:32:15,769 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339577824]
[2024-11-23 11:32:15,769 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 11:32:15,769 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 11:32:15,793 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 11:32:16,181 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 11:32:16,182 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 11:32:16,182 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339577824]
[2024-11-23 11:32:16,182 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339577824] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-23 11:32:16,182 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2054646519]
[2024-11-23 11:32:16,182 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 11:32:16,183 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 11:32:16,183 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed759a1e-e9b9-41d6-8f6a-cb12930cbd19/bin/ugemcutter-verify-Z6otQMs9Ca/z3
[2024-11-23 11:32:16,186 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed759a1e-e9b9-41d6-8f6a-cb12930cbd19/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-23 11:32:16,190 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed759a1e-e9b9-41d6-8f6a-cb12930cbd19/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-23 11:32:16,302 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 11:32:16,305 INFO  L256         TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 18 conjuncts are in the unsatisfiable core
[2024-11-23 11:32:16,312 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 11:32:16,392 INFO  L349             Elim1Store]: treesize reduction 4, result has 50.0 percent of original size
[2024-11-23 11:32:16,396 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11
[2024-11-23 11:32:16,591 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11
[2024-11-23 11:32:16,711 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7
[2024-11-23 11:32:16,751 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 11:32:16,751 INFO  L312         TraceCheckSpWp]: Computing backward predicates...
[2024-11-23 11:32:16,938 WARN  L851   $PredicateComparison]: unable to prove that (forall ((v_ArrVal_19 (Array Int Int))) (< 0 (select (select (store |c_#memory_int| |c_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest#1.base| v_ArrVal_19) |c_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src#1.base|) (+ |c_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src#1.offset| |c_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset11#1| 1)))) is different from false
[2024-11-23 11:32:17,125 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 1 not checked.
[2024-11-23 11:32:17,126 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [2054646519] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-23 11:32:17,126 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-23 11:32:17,126 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 19
[2024-11-23 11:32:17,126 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741305656]
[2024-11-23 11:32:17,126 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-23 11:32:17,126 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 20 states
[2024-11-23 11:32:17,127 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 11:32:17,127 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants.
[2024-11-23 11:32:17,128 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=288, Unknown=2, NotChecked=34, Total=380
[2024-11-23 11:32:17,128 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-23 11:32:17,128 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-11-23 11:32:17,128 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 20 states, 20 states have (on average 2.4) internal successors, (48), 19 states have internal predecessors, (48), 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 11:32:17,128 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-11-23 11:32:17,128 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2024-11-23 11:32:17,128 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-11-23 11:32:17,546 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-23 11:32:17,546 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-11-23 11:32:17,547 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-11-23 11:32:17,557 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed759a1e-e9b9-41d6-8f6a-cb12930cbd19/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-11-23 11:32:17,747 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed759a1e-e9b9-41d6-8f6a-cb12930cbd19/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 11:32:17,748 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-11-23 11:32:17,748 INFO  L305   artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-11-23 11:32:17,748 INFO  L139   ounterexampleChecker]: Examining path program with hash 10621657, occurence #3
[2024-11-23 11:32:17,748 INFO  L145   ounterexampleChecker]: Trying to synthesize and prove commutativity condition.
[2024-11-23 11:32:17,748 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1
[2024-11-23 11:32:17,748 WARN  L190   ounterexampleChecker]: Statements were already independent.
[2024-11-23 11:32:17,749 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3
[2024-11-23 11:32:17,749 WARN  L190   ounterexampleChecker]: Statements were already independent.
[2024-11-23 11:32:17,749 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6
[2024-11-23 11:32:17,749 WARN  L190   ounterexampleChecker]: Statements were already independent.
[2024-11-23 11:32:17,749 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11
[2024-11-23 11:32:17,749 INFO  L209   ounterexampleChecker]: No commutativity condition found.
[2024-11-23 11:32:17,749 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13
[2024-11-23 11:32:17,749 INFO  L209   ounterexampleChecker]: No commutativity condition found.
[2024-11-23 11:32:17,750 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15
[2024-11-23 11:32:17,750 INFO  L209   ounterexampleChecker]: No commutativity condition found.
[2024-11-23 11:32:17,750 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16
[2024-11-23 11:32:17,750 INFO  L209   ounterexampleChecker]: No commutativity condition found.
[2024-11-23 11:32:17,750 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18
[2024-11-23 11:32:17,750 WARN  L190   ounterexampleChecker]: Statements were already independent.
[2024-11-23 11:32:17,751 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19
[2024-11-23 11:32:17,751 INFO  L209   ounterexampleChecker]: No commutativity condition found.
[2024-11-23 11:32:17,751 WARN  L214   ounterexampleChecker]: Failed to synthesize and prove commutativity condition.
[2024-11-23 11:32:17,751 INFO  L316   artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-11-23 11:32:17,753 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 11:32:17,753 INFO  L85        PathProgramCache]: Analyzing trace with hash 1559659835, now seen corresponding path program 2 times
[2024-11-23 11:32:17,753 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 11:32:17,754 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966730798]
[2024-11-23 11:32:17,754 INFO  L95    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-23 11:32:17,754 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 11:32:17,789 INFO  L229   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-11-23 11:32:17,790 INFO  L230   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-23 11:32:18,336 INFO  L134       CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 11:32:18,336 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 11:32:18,336 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966730798]
[2024-11-23 11:32:18,337 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966730798] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-23 11:32:18,337 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1551767516]
[2024-11-23 11:32:18,337 INFO  L95    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-23 11:32:18,337 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 11:32:18,337 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed759a1e-e9b9-41d6-8f6a-cb12930cbd19/bin/ugemcutter-verify-Z6otQMs9Ca/z3
[2024-11-23 11:32:18,339 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed759a1e-e9b9-41d6-8f6a-cb12930cbd19/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-23 11:32:18,342 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed759a1e-e9b9-41d6-8f6a-cb12930cbd19/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-11-23 11:32:18,477 INFO  L229   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-11-23 11:32:18,477 INFO  L230   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-23 11:32:18,480 INFO  L256         TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 29 conjuncts are in the unsatisfiable core
[2024-11-23 11:32:18,484 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 11:32:18,703 INFO  L349             Elim1Store]: treesize reduction 17, result has 29.2 percent of original size
[2024-11-23 11:32:18,704 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 18
[2024-11-23 11:32:18,855 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-11-23 11:32:18,861 INFO  L349             Elim1Store]: treesize reduction 7, result has 12.5 percent of original size
[2024-11-23 11:32:18,861 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 21
[2024-11-23 11:32:18,966 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-11-23 11:32:18,970 INFO  L349             Elim1Store]: treesize reduction 7, result has 12.5 percent of original size
[2024-11-23 11:32:18,970 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 21
[2024-11-23 11:32:19,075 INFO  L134       CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 11:32:19,076 INFO  L312         TraceCheckSpWp]: Computing backward predicates...
[2024-11-23 11:32:29,562 INFO  L134       CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 11:32:29,562 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1551767516] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-23 11:32:29,562 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-23 11:32:29,562 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 9] total 22
[2024-11-23 11:32:29,562 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085317400]
[2024-11-23 11:32:29,563 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-23 11:32:29,563 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 23 states
[2024-11-23 11:32:29,563 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 11:32:29,564 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants.
[2024-11-23 11:32:29,564 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=420, Unknown=3, NotChecked=0, Total=506
[2024-11-23 11:32:29,564 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-23 11:32:29,565 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-11-23 11:32:29,565 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 23 states, 23 states have (on average 2.652173913043478) internal successors, (61), 22 states have internal predecessors, (61), 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 11:32:29,565 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-11-23 11:32:29,565 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2024-11-23 11:32:29,565 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2024-11-23 11:32:29,565 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-11-23 11:32:30,709 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-23 11:32:30,709 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-11-23 11:32:30,709 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-11-23 11:32:30,710 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2024-11-23 11:32:30,712 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining)
[2024-11-23 11:32:30,713 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining)
[2024-11-23 11:32:30,713 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining)
[2024-11-23 11:32:30,726 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed759a1e-e9b9-41d6-8f6a-cb12930cbd19/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2024-11-23 11:32:30,914 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed759a1e-e9b9-41d6-8f6a-cb12930cbd19/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 11:32:30,919 INFO  L422         BasicCegarLoop]: Path program histogram: [2, 1, 1]
[2024-11-23 11:32:30,922 INFO  L241   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-11-23 11:32:30,922 INFO  L170   ceAbstractionStarter]: Computing trace abstraction results
[2024-11-23 11:32:30,932 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed759a1e-e9b9-41d6-8f6a-cb12930cbd19/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0
[2024-11-23 11:32:30,932 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:32:30 BasicIcfg
[2024-11-23 11:32:30,932 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-23 11:32:30,933 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-23 11:32:30,933 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2024-11-23 11:32:30,933 INFO  L274        PluginConnector]: Witness Printer initialized
[2024-11-23 11:32:30,934 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:32:13" (3/4) ...
[2024-11-23 11:32:30,936 INFO  L146         WitnessPrinter]: Generating witness for correct program
[2024-11-23 11:32:30,940 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure thread1
[2024-11-23 11:32:30,940 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure thread2
[2024-11-23 11:32:30,945 INFO  L919   BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges
[2024-11-23 11:32:30,945 INFO  L919   BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges
[2024-11-23 11:32:30,946 INFO  L919   BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges
[2024-11-23 11:32:30,946 INFO  L919   BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-11-23 11:32:30,946 INFO  L919   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-11-23 11:32:31,026 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed759a1e-e9b9-41d6-8f6a-cb12930cbd19/bin/ugemcutter-verify-Z6otQMs9Ca/witness.graphml
[2024-11-23 11:32:31,027 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed759a1e-e9b9-41d6-8f6a-cb12930cbd19/bin/ugemcutter-verify-Z6otQMs9Ca/witness.yml
[2024-11-23 11:32:31,028 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-23 11:32:31,030 INFO  L158              Benchmark]: Toolchain (without parser) took 19485.13ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 91.8MB in the beginning and 104.5MB in the end (delta: -12.7MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB.
[2024-11-23 11:32:31,031 INFO  L158              Benchmark]: CDTParser took 0.40ms. Allocated memory is still 167.8MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 11:32:31,032 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 989.58ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 59.8MB in the end (delta: 32.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2024-11-23 11:32:31,034 INFO  L158              Benchmark]: Boogie Procedure Inliner took 79.43ms. Allocated memory is still 117.4MB. Free memory was 59.8MB in the beginning and 57.9MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 11:32:31,034 INFO  L158              Benchmark]: Boogie Preprocessor took 36.32ms. Allocated memory is still 117.4MB. Free memory was 57.9MB in the beginning and 56.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 11:32:31,035 INFO  L158              Benchmark]: RCFGBuilder took 728.23ms. Allocated memory is still 117.4MB. Free memory was 56.8MB in the beginning and 88.3MB in the end (delta: -31.5MB). Peak memory consumption was 33.0MB. Max. memory is 16.1GB.
[2024-11-23 11:32:31,035 INFO  L158              Benchmark]: TraceAbstraction took 17546.72ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 87.7MB in the beginning and 109.1MB in the end (delta: -21.4MB). Peak memory consumption was 78.7MB. Max. memory is 16.1GB.
[2024-11-23 11:32:31,035 INFO  L158              Benchmark]: Witness Printer took 95.52ms. Allocated memory is still 142.6MB. Free memory was 109.1MB in the beginning and 104.5MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 11:32:31,041 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.40ms. Allocated memory is still 167.8MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 989.58ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 59.8MB in the end (delta: 32.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 79.43ms. Allocated memory is still 117.4MB. Free memory was 59.8MB in the beginning and 57.9MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB.
 * Boogie Preprocessor took 36.32ms. Allocated memory is still 117.4MB. Free memory was 57.9MB in the beginning and 56.8MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB.
 * RCFGBuilder took 728.23ms. Allocated memory is still 117.4MB. Free memory was 56.8MB in the beginning and 88.3MB in the end (delta: -31.5MB). Peak memory consumption was 33.0MB. Max. memory is 16.1GB.
 * TraceAbstraction took 17546.72ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 87.7MB in the beginning and 109.1MB in the end (delta: -21.4MB). Peak memory consumption was 78.7MB. Max. memory is 16.1GB.
 * Witness Printer took 95.52ms. Allocated memory is still 142.6MB. Free memory was 109.1MB in the beginning and 104.5MB in the end (delta: 4.6MB). 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: 176, independent: 126, independent conditional: 47, independent unconditional: 79, dependent: 50, dependent conditional: 47, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 129, independent: 126, independent conditional: 47, independent unconditional: 79, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 129, independent: 126, independent conditional: 47, independent unconditional: 79, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 129, independent: 126, independent conditional: 47, independent unconditional: 79, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 129, independent: 126, independent conditional: 0, independent unconditional: 126, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 129, independent: 126, independent conditional: 0, independent unconditional: 126, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 81, independent: 78, independent conditional: 0, independent unconditional: 78, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 81, independent: 75, independent conditional: 0, independent unconditional: 75, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 6, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 563, independent: 227, independent conditional: 0, independent unconditional: 227, dependent: 336, dependent conditional: 0, dependent unconditional: 336, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 129, independent: 48, independent conditional: 0, independent unconditional: 48, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 81, unknown conditional: 0, unknown unconditional: 81] , Statistics on independence cache: Total cache size (in pairs): 81, Positive cache size: 78, Positive conditional cache size: 0, Positive unconditional cache size: 78, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 47, Maximal queried relation: 0, Independence queries for same thread: 47, Persistent sets #1 benchmarks: Persistent set computation time: 0.5s, Number of persistent set computation: 29, Number of trivial persistent sets: 26, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 82, independent: 79, independent conditional: 0, independent unconditional: 79, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 176, independent: 126, independent conditional: 47, independent unconditional: 79, dependent: 50, dependent conditional: 47, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 129, independent: 126, independent conditional: 47, independent unconditional: 79, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 129, independent: 126, independent conditional: 47, independent unconditional: 79, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 129, independent: 126, independent conditional: 47, independent unconditional: 79, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 129, independent: 126, independent conditional: 0, independent unconditional: 126, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 129, independent: 126, independent conditional: 0, independent unconditional: 126, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 81, independent: 78, independent conditional: 0, independent unconditional: 78, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 81, independent: 75, independent conditional: 0, independent unconditional: 75, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 6, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 563, independent: 227, independent conditional: 0, independent unconditional: 227, dependent: 336, dependent conditional: 0, dependent unconditional: 336, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 129, independent: 48, independent conditional: 0, independent unconditional: 48, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 81, unknown conditional: 0, unknown unconditional: 81] , Statistics on independence cache: Total cache size (in pairs): 81, Positive cache size: 78, Positive conditional cache size: 0, Positive unconditional cache size: 78, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 47, Maximal queried relation: 0, Independence queries for same thread: 47
  - PositiveResult [Line: 1107]: 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, 34 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 17.3s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 2.4s, 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: 29, 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, 0.2s SatisfiabilityAnalysisTime, 13.8s InterpolantComputationTime, 117 NumberOfCodeBlocks, 117 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 151 ConstructedInterpolants, 16 QuantifiedInterpolants, 1653 SizeOfPredicates, 19 NumberOfNonLiveVariables, 321 ConjunctsInSsa, 47 ConjunctsInUnsatCore, 8 InterpolantComputations, 2 PerfectInterpolantSequences, 3/24 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]: 52, ConditionCalculationTime [ms]: 0, ConditionCalculations: 9, 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 11:32:31,070 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed759a1e-e9b9-41d6-8f6a-cb12930cbd19/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