./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-channel-sum.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_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/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_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/popl20-channel-sum.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/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_3c38dcf4-1eea-4f0b-8477-a30312f8f934/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 bc55f480d2dabcba35697f502078f181c178ae095f610e1cdbc5d03f14d18670
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-11-27 06:36:41,569 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-27 06:36:41,630 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/config/svcomp-Reach-32bit-GemCutter_Default.epf
[2024-11-27 06:36:41,635 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-27 06:36:41,636 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-27 06:36:41,672 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-27 06:36:41,673 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-27 06:36:41,673 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-27 06:36:41,674 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-27 06:36:41,674 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-27 06:36:41,677 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-27 06:36:41,678 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-27 06:36:41,678 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-27 06:36:41,678 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-27 06:36:41,678 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-27 06:36:41,678 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-27 06:36:41,678 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-27 06:36:41,678 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-27 06:36:41,678 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-27 06:36:41,678 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-27 06:36:41,679 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-27 06:36:41,679 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-27 06:36:41,679 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-27 06:36:41,679 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-27 06:36:41,679 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-27 06:36:41,679 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-27 06:36:41,679 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-27 06:36:41,679 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-27 06:36:41,679 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-27 06:36:41,679 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-27 06:36:41,680 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-11-27 06:36:41,680 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-27 06:36:41,680 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-27 06:36:41,680 INFO  L153        SettingsManager]:  * Compute procedure contracts=false
[2024-11-27 06:36:41,680 INFO  L153        SettingsManager]:  * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT
[2024-11-27 06:36:41,680 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-27 06:36:41,680 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-27 06:36:41,680 INFO  L153        SettingsManager]:  * DFS Order used in POR=LOOP_LOCKSTEP
[2024-11-27 06:36:41,680 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-27 06:36:41,680 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-27 06:36:41,681 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2024-11-27 06:36:41,681 INFO  L153        SettingsManager]:  * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2024-11-27 06:36:41,681 INFO  L153        SettingsManager]:  * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2024-11-27 06:36:41,682 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_3c38dcf4-1eea-4f0b-8477-a30312f8f934/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 -> bc55f480d2dabcba35697f502078f181c178ae095f610e1cdbc5d03f14d18670
[2024-11-27 06:36:42,014 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-27 06:36:42,022 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-27 06:36:42,025 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-27 06:36:42,026 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-27 06:36:42,026 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-27 06:36:42,027 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/../../sv-benchmarks/c/weaver/popl20-channel-sum.wvr.c
[2024-11-27 06:36:45,011 INFO  L533              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/data/195c2656d/be06423ac7304010827d3fbe3cbef82d/FLAGb5f8cea3d
[2024-11-27 06:36:45,275 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-27 06:36:45,276 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/sv-benchmarks/c/weaver/popl20-channel-sum.wvr.c
[2024-11-27 06:36:45,283 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/data/195c2656d/be06423ac7304010827d3fbe3cbef82d/FLAGb5f8cea3d
[2024-11-27 06:36:45,583 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/data/195c2656d/be06423ac7304010827d3fbe3cbef82d
[2024-11-27 06:36:45,585 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-27 06:36:45,586 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-27 06:36:45,588 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-27 06:36:45,588 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-27 06:36:45,593 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-27 06:36:45,593 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 06:36:45" (1/1) ...
[2024-11-27 06:36:45,594 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c6a4bda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:36:45, skipping insertion in model container
[2024-11-27 06:36:45,595 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 06:36:45" (1/1) ...
[2024-11-27 06:36:45,610 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-27 06:36:45,793 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_3c38dcf4-1eea-4f0b-8477-a30312f8f934/sv-benchmarks/c/weaver/popl20-channel-sum.wvr.c[2423,2436]
[2024-11-27 06:36:45,801 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-27 06:36:45,814 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-27 06:36:45,834 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_3c38dcf4-1eea-4f0b-8477-a30312f8f934/sv-benchmarks/c/weaver/popl20-channel-sum.wvr.c[2423,2436]
[2024-11-27 06:36:45,838 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-27 06:36:45,854 INFO  L204         MainTranslator]: Completed translation
[2024-11-27 06:36:45,854 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:36:45 WrapperNode
[2024-11-27 06:36:45,855 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-27 06:36:45,856 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-27 06:36:45,856 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-27 06:36:45,856 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-27 06:36:45,863 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:36:45" (1/1) ...
[2024-11-27 06:36:45,870 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:36:45" (1/1) ...
[2024-11-27 06:36:45,890 INFO  L138                Inliner]: procedures = 21, calls = 21, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 132
[2024-11-27 06:36:45,890 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-27 06:36:45,891 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-27 06:36:45,891 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-27 06:36:45,891 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-27 06:36:45,901 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:36:45" (1/1) ...
[2024-11-27 06:36:45,901 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:36:45" (1/1) ...
[2024-11-27 06:36:45,904 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:36:45" (1/1) ...
[2024-11-27 06:36:45,905 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:36:45" (1/1) ...
[2024-11-27 06:36:45,918 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:36:45" (1/1) ...
[2024-11-27 06:36:45,923 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:36:45" (1/1) ...
[2024-11-27 06:36:45,926 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:36:45" (1/1) ...
[2024-11-27 06:36:45,931 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:36:45" (1/1) ...
[2024-11-27 06:36:45,932 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:36:45" (1/1) ...
[2024-11-27 06:36:45,938 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-27 06:36:45,939 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-27 06:36:45,939 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-27 06:36:45,939 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-27 06:36:45,943 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:36:45" (1/1) ...
[2024-11-27 06:36:45,953 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-11-27 06:36:45,973 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3
[2024-11-27 06:36:45,987 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2024-11-27 06:36:45,990 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2024-11-27 06:36:46,019 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-27 06:36:46,019 INFO  L130     BoogieDeclarations]: Found specification of procedure thread1
[2024-11-27 06:36:46,019 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread1
[2024-11-27 06:36:46,019 INFO  L130     BoogieDeclarations]: Found specification of procedure thread2
[2024-11-27 06:36:46,020 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread2
[2024-11-27 06:36:46,020 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2024-11-27 06:36:46,020 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2024-11-27 06:36:46,020 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2024-11-27 06:36:46,020 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-27 06:36:46,020 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-27 06:36:46,020 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2024-11-27 06:36:46,022 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 06:36:46,116 INFO  L234             CfgBuilder]: Building ICFG
[2024-11-27 06:36:46,118 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-27 06:36:46,431 INFO  L279             CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-27 06:36:46,431 INFO  L283             CfgBuilder]: Performing block encoding
[2024-11-27 06:36:46,697 INFO  L307             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-27 06:36:46,697 INFO  L312             CfgBuilder]: Removed 3 assume(true) statements.
[2024-11-27 06:36:46,697 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 06:36:46 BoogieIcfgContainer
[2024-11-27 06:36:46,698 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-27 06:36:46,702 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-27 06:36:46,702 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-27 06:36:46,708 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-27 06:36:46,708 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 06:36:45" (1/3) ...
[2024-11-27 06:36:46,709 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71b16927 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 06:36:46, skipping insertion in model container
[2024-11-27 06:36:46,709 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:36:45" (2/3) ...
[2024-11-27 06:36:46,710 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71b16927 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 06:36:46, skipping insertion in model container
[2024-11-27 06:36:46,710 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 06:36:46" (3/3) ...
[2024-11-27 06:36:46,711 INFO  L128   eAbstractionObserver]: Analyzing ICFG popl20-channel-sum.wvr.c
[2024-11-27 06:36:46,734 INFO  L216   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-27 06:36:46,736 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-channel-sum.wvr.c that has 3 procedures, 32 locations, 1 initial locations, 3 loop locations, and 1 error locations.
[2024-11-27 06:36:46,736 INFO  L491   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-27 06:36:46,833 INFO  L143    ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2024-11-27 06:36:46,906 INFO  L125   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-27 06:36:46,907 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2024-11-27 06:36:46,907 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3
[2024-11-27 06:36:46,911 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2024-11-27 06:36:46,915 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2024-11-27 06:36:47,002 INFO  L177   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2024-11-27 06:36:47,026 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ========
[2024-11-27 06:36:47,038 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;@ae6d539, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-27 06:36:47,039 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 3 error locations.
[2024-11-27 06:36:47,324 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 06:36:47,324 INFO  L305   artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-11-27 06:36:47,326 INFO  L139   ounterexampleChecker]: Examining path program with hash -1336814724, occurence #1
[2024-11-27 06:36:47,326 INFO  L141   ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping...
[2024-11-27 06:36:47,326 INFO  L316   artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-11-27 06:36:47,332 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-27 06:36:47,333 INFO  L85        PathProgramCache]: Analyzing trace with hash 1416220012, now seen corresponding path program 1 times
[2024-11-27 06:36:47,342 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-27 06:36:47,345 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563284053]
[2024-11-27 06:36:47,345 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-27 06:36:47,347 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-27 06:36:47,462 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-27 06:36:47,543 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 06:36:47,543 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-27 06:36:47,543 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [563284053]
[2024-11-27 06:36:47,544 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [563284053] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-27 06:36:47,544 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-27 06:36:47,545 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-27 06:36:47,546 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010846468]
[2024-11-27 06:36:47,546 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-27 06:36:47,550 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-27 06:36:47,550 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-27 06:36:47,570 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-27 06:36:47,570 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-27 06:36:47,571 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-27 06:36:47,573 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-11-27 06:36:47,574 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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 06:36:47,574 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-11-27 06:36:47,623 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-27 06:36:47,624 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-27 06:36:47,624 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 06:36:47,624 INFO  L305   artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-11-27 06:36:47,624 INFO  L139   ounterexampleChecker]: Examining path program with hash 103784074, occurence #1
[2024-11-27 06:36:47,625 INFO  L141   ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping...
[2024-11-27 06:36:47,625 INFO  L316   artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-11-27 06:36:47,625 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-27 06:36:47,625 INFO  L85        PathProgramCache]: Analyzing trace with hash 982306640, now seen corresponding path program 1 times
[2024-11-27 06:36:47,625 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-27 06:36:47,625 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253336849]
[2024-11-27 06:36:47,626 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-27 06:36:47,626 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-27 06:36:47,654 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-27 06:36:47,784 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 06:36:47,785 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-27 06:36:47,785 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253336849]
[2024-11-27 06:36:47,785 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253336849] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-27 06:36:47,785 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-27 06:36:47,785 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-27 06:36:47,785 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014204807]
[2024-11-27 06:36:47,786 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-27 06:36:47,787 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-27 06:36:47,787 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-27 06:36:47,787 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-27 06:36:47,788 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-27 06:36:47,788 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-27 06:36:47,788 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-11-27 06:36:47,789 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 2 states have internal predecessors, (20), 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 06:36:47,789 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-11-27 06:36:47,789 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-11-27 06:36:47,922 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-27 06:36:47,924 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-27 06:36:47,925 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-27 06:36:47,925 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-11-27 06:36:47,925 INFO  L305   artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-11-27 06:36:47,925 INFO  L139   ounterexampleChecker]: Examining path program with hash 932887066, occurence #1
[2024-11-27 06:36:47,925 INFO  L141   ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping...
[2024-11-27 06:36:47,925 INFO  L316   artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-11-27 06:36:47,926 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-27 06:36:47,926 INFO  L85        PathProgramCache]: Analyzing trace with hash -1940695829, now seen corresponding path program 1 times
[2024-11-27 06:36:47,926 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-27 06:36:47,926 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865355700]
[2024-11-27 06:36:47,926 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-27 06:36:47,926 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-27 06:36:47,964 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-27 06:36:48,086 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 06:36:48,086 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-27 06:36:48,087 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865355700]
[2024-11-27 06:36:48,087 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [865355700] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-27 06:36:48,087 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-27 06:36:48,087 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-27 06:36:48,087 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [131630853]
[2024-11-27 06:36:48,087 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-27 06:36:48,088 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-27 06:36:48,088 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-27 06:36:48,088 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-27 06:36:48,088 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-27 06:36:48,089 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-27 06:36:48,089 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-11-27 06:36:48,089 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 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 06:36:48,089 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-11-27 06:36:48,089 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-11-27 06:36:48,089 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-11-27 06:36:48,359 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-27 06:36:48,360 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-27 06:36:48,360 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-27 06:36:48,360 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-27 06:36:48,360 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-11-27 06:36:48,361 INFO  L305   artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-11-27 06:36:48,361 INFO  L139   ounterexampleChecker]: Examining path program with hash -1733282956, occurence #1
[2024-11-27 06:36:48,361 INFO  L141   ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping...
[2024-11-27 06:36:48,361 INFO  L316   artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-11-27 06:36:48,362 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-27 06:36:48,362 INFO  L85        PathProgramCache]: Analyzing trace with hash -35418830, now seen corresponding path program 1 times
[2024-11-27 06:36:48,362 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-27 06:36:48,362 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809164901]
[2024-11-27 06:36:48,362 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-27 06:36:48,362 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-27 06:36:48,405 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-27 06:36:48,645 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-27 06:36:48,645 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-27 06:36:48,646 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809164901]
[2024-11-27 06:36:48,646 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809164901] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-27 06:36:48,646 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-27 06:36:48,646 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-27 06:36:48,647 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496380585]
[2024-11-27 06:36:48,647 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-27 06:36:48,648 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-27 06:36:48,648 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-27 06:36:48,649 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-27 06:36:48,650 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-27 06:36:48,650 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-27 06:36:48,650 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-11-27 06:36:48,651 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 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 06:36:48,651 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-11-27 06:36:48,651 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-11-27 06:36:48,651 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-11-27 06:36:48,651 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-11-27 06:36:48,765 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-27 06:36:48,766 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-27 06:36:48,766 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-27 06:36:48,767 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-27 06:36:48,767 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-27 06:36:48,768 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-11-27 06:36:48,768 INFO  L305   artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-11-27 06:36:48,768 INFO  L139   ounterexampleChecker]: Examining path program with hash -1733282956, occurence #2
[2024-11-27 06:36:48,768 INFO  L145   ounterexampleChecker]: Trying to synthesize and prove commutativity condition.
[2024-11-27 06:36:48,769 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0
[2024-11-27 06:36:48,769 INFO  L209   ounterexampleChecker]: No commutativity condition found.
[2024-11-27 06:36:48,770 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1
[2024-11-27 06:36:48,770 INFO  L209   ounterexampleChecker]: No commutativity condition found.
[2024-11-27 06:36:48,770 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4
[2024-11-27 06:36:48,770 INFO  L209   ounterexampleChecker]: No commutativity condition found.
[2024-11-27 06:36:48,770 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7
[2024-11-27 06:36:48,791 WARN  L190   ounterexampleChecker]: Statements were already independent.
[2024-11-27 06:36:48,791 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10
[2024-11-27 06:36:48,791 WARN  L190   ounterexampleChecker]: Statements were already independent.
[2024-11-27 06:36:48,792 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16
[2024-11-27 06:36:48,836 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-27 06:36:48,836 INFO  L85        PathProgramCache]: Analyzing trace with hash -1561187955, now seen corresponding path program 1 times
[2024-11-27 06:36:48,837 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL
[2024-11-27 06:36:48,838 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367671444]
[2024-11-27 06:36:48,838 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-27 06:36:48,838 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-27 06:36:48,867 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-27 06:36:48,869 INFO  L130   FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace
[2024-11-27 06:36:48,869 INFO  L180   ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless.
[2024-11-27 06:36:48,869 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25
[2024-11-27 06:36:48,869 INFO  L209   ounterexampleChecker]: No commutativity condition found.
[2024-11-27 06:36:48,869 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27
[2024-11-27 06:36:48,870 WARN  L190   ounterexampleChecker]: Statements were already independent.
[2024-11-27 06:36:48,870 WARN  L214   ounterexampleChecker]: Failed to synthesize and prove commutativity condition.
[2024-11-27 06:36:48,870 INFO  L316   artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-11-27 06:36:48,870 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-27 06:36:48,870 INFO  L85        PathProgramCache]: Analyzing trace with hash -1985059268, now seen corresponding path program 1 times
[2024-11-27 06:36:48,870 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-27 06:36:48,871 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026147562]
[2024-11-27 06:36:48,871 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-27 06:36:48,871 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-27 06:36:48,924 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-27 06:36:49,836 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-27 06:36:49,836 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-27 06:36:49,837 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026147562]
[2024-11-27 06:36:49,837 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2026147562] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-27 06:36:49,837 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1475434072]
[2024-11-27 06:36:49,837 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-27 06:36:49,837 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-27 06:36:49,837 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3
[2024-11-27 06:36:49,841 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-27 06:36:49,842 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-27 06:36:49,940 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-27 06:36:49,943 INFO  L256         TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 26 conjuncts are in the unsatisfiable core
[2024-11-27 06:36:49,951 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-11-27 06:36:50,075 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1
[2024-11-27 06:36:50,491 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-27 06:36:50,492 INFO  L312         TraceCheckSpWp]: Computing backward predicates...
[2024-11-27 06:36:51,295 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 61 treesize of output 55
[2024-11-27 06:36:51,314 INFO  L349             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-27 06:36:51,314 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 78 treesize of output 68
[2024-11-27 06:36:51,588 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-27 06:36:51,589 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1475434072] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-27 06:36:51,589 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-27 06:36:51,589 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 25
[2024-11-27 06:36:51,589 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954432798]
[2024-11-27 06:36:51,590 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-27 06:36:51,590 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 26 states
[2024-11-27 06:36:51,590 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-27 06:36:51,591 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants.
[2024-11-27 06:36:51,592 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=493, Unknown=0, NotChecked=0, Total=650
[2024-11-27 06:36:51,592 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-27 06:36:51,592 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-11-27 06:36:51,592 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 26 states, 26 states have (on average 2.8076923076923075) internal successors, (73), 25 states have internal predecessors, (73), 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 06:36:51,593 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-11-27 06:36:51,593 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-11-27 06:36:51,593 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-11-27 06:36:51,593 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-11-27 06:36:51,593 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-11-27 06:36:52,772 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-27 06:36:52,772 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-27 06:36:52,772 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-27 06:36:52,772 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-27 06:36:52,773 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2024-11-27 06:36:52,785 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-11-27 06:36:52,973 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-27 06:36:52,974 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-11-27 06:36:52,974 INFO  L305   artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-11-27 06:36:52,974 INFO  L139   ounterexampleChecker]: Examining path program with hash -1733282956, occurence #3
[2024-11-27 06:36:52,974 INFO  L145   ounterexampleChecker]: Trying to synthesize and prove commutativity condition.
[2024-11-27 06:36:52,974 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0
[2024-11-27 06:36:52,974 INFO  L209   ounterexampleChecker]: No commutativity condition found.
[2024-11-27 06:36:52,974 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1
[2024-11-27 06:36:52,974 INFO  L209   ounterexampleChecker]: No commutativity condition found.
[2024-11-27 06:36:52,974 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4
[2024-11-27 06:36:52,974 INFO  L209   ounterexampleChecker]: No commutativity condition found.
[2024-11-27 06:36:52,975 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8
[2024-11-27 06:36:52,975 WARN  L190   ounterexampleChecker]: Statements were already independent.
[2024-11-27 06:36:52,975 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11
[2024-11-27 06:36:52,975 WARN  L190   ounterexampleChecker]: Statements were already independent.
[2024-11-27 06:36:52,975 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17
[2024-11-27 06:36:53,002 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-27 06:36:53,002 INFO  L85        PathProgramCache]: Analyzing trace with hash -909983332, now seen corresponding path program 1 times
[2024-11-27 06:36:53,002 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL
[2024-11-27 06:36:53,002 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019475368]
[2024-11-27 06:36:53,002 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-27 06:36:53,003 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-27 06:36:53,027 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-27 06:36:53,029 INFO  L130   FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace
[2024-11-27 06:36:53,029 INFO  L180   ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless.
[2024-11-27 06:36:53,029 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26
[2024-11-27 06:36:53,029 INFO  L209   ounterexampleChecker]: No commutativity condition found.
[2024-11-27 06:36:53,029 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28
[2024-11-27 06:36:53,030 WARN  L190   ounterexampleChecker]: Statements were already independent.
[2024-11-27 06:36:53,030 WARN  L214   ounterexampleChecker]: Failed to synthesize and prove commutativity condition.
[2024-11-27 06:36:53,030 INFO  L316   artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-11-27 06:36:53,032 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-27 06:36:53,032 INFO  L85        PathProgramCache]: Analyzing trace with hash 2000596594, now seen corresponding path program 2 times
[2024-11-27 06:36:53,032 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-27 06:36:53,032 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047258208]
[2024-11-27 06:36:53,033 INFO  L95    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-27 06:36:53,033 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-27 06:36:53,076 INFO  L229   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-11-27 06:36:53,076 INFO  L230   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-27 06:36:53,351 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2024-11-27 06:36:53,351 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-27 06:36:53,351 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047258208]
[2024-11-27 06:36:53,352 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047258208] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-27 06:36:53,352 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [347684353]
[2024-11-27 06:36:53,352 INFO  L95    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-27 06:36:53,352 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-27 06:36:53,352 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3
[2024-11-27 06:36:53,354 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-27 06:36:53,357 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-11-27 06:36:53,440 INFO  L229   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-11-27 06:36:53,441 INFO  L230   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-27 06:36:53,442 INFO  L256         TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 16 conjuncts are in the unsatisfiable core
[2024-11-27 06:36:53,444 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-11-27 06:36:53,571 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-11-27 06:36:53,571 INFO  L312         TraceCheckSpWp]: Computing backward predicates...
[2024-11-27 06:36:53,680 INFO  L349             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-27 06:36:53,680 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 40 treesize of output 24
[2024-11-27 06:36:53,823 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2024-11-27 06:36:53,823 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [347684353] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-27 06:36:53,824 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-27 06:36:53,824 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 6] total 13
[2024-11-27 06:36:53,825 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996894727]
[2024-11-27 06:36:53,825 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-27 06:36:53,825 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2024-11-27 06:36:53,825 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-27 06:36:53,826 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2024-11-27 06:36:53,827 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182
[2024-11-27 06:36:53,828 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-27 06:36:53,828 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-11-27 06:36:53,828 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 14 states, 14 states have (on average 4.5) internal successors, (63), 13 states have internal predecessors, (63), 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 06:36:53,828 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-11-27 06:36:53,828 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-11-27 06:36:53,828 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-11-27 06:36:53,828 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-11-27 06:36:53,828 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. 
[2024-11-27 06:36:53,829 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-11-27 06:36:54,270 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-27 06:36:54,270 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-27 06:36:54,270 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-27 06:36:54,270 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-27 06:36:54,270 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2024-11-27 06:36:54,271 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2024-11-27 06:36:54,280 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2024-11-27 06:36:54,471 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-27 06:36:54,472 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-11-27 06:36:54,472 INFO  L305   artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-11-27 06:36:54,472 INFO  L139   ounterexampleChecker]: Examining path program with hash -904179964, occurence #1
[2024-11-27 06:36:54,472 INFO  L141   ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping...
[2024-11-27 06:36:54,473 INFO  L316   artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-11-27 06:36:54,475 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-27 06:36:54,475 INFO  L85        PathProgramCache]: Analyzing trace with hash -1418687863, now seen corresponding path program 3 times
[2024-11-27 06:36:54,475 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-27 06:36:54,475 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728466596]
[2024-11-27 06:36:54,475 INFO  L95    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-11-27 06:36:54,475 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-27 06:36:54,505 INFO  L229   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s)
[2024-11-27 06:36:54,506 INFO  L230   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-27 06:36:54,606 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-27 06:36:54,607 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-27 06:36:54,607 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728466596]
[2024-11-27 06:36:54,607 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728466596] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-27 06:36:54,607 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-27 06:36:54,607 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-27 06:36:54,607 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457136568]
[2024-11-27 06:36:54,608 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-27 06:36:54,609 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-27 06:36:54,609 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-27 06:36:54,610 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-27 06:36:54,610 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-27 06:36:54,610 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-27 06:36:54,611 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-11-27 06:36:54,611 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 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 06:36:54,611 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-11-27 06:36:54,611 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-11-27 06:36:54,611 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-11-27 06:36:54,611 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-11-27 06:36:54,611 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. 
[2024-11-27 06:36:54,611 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2024-11-27 06:36:54,611 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-11-27 06:36:54,729 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-27 06:36:54,729 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-27 06:36:54,729 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-27 06:36:54,729 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-27 06:36:54,730 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2024-11-27 06:36:54,730 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2024-11-27 06:36:54,730 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-27 06:36:54,730 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-11-27 06:36:54,730 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-11-27 06:36:54,731 INFO  L305   artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-11-27 06:36:54,731 INFO  L139   ounterexampleChecker]: Examining path program with hash -1733282956, occurence #4
[2024-11-27 06:36:54,731 INFO  L145   ounterexampleChecker]: Trying to synthesize and prove commutativity condition.
[2024-11-27 06:36:54,731 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0
[2024-11-27 06:36:54,731 INFO  L209   ounterexampleChecker]: No commutativity condition found.
[2024-11-27 06:36:54,731 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1
[2024-11-27 06:36:54,731 INFO  L209   ounterexampleChecker]: No commutativity condition found.
[2024-11-27 06:36:54,731 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4
[2024-11-27 06:36:54,732 INFO  L209   ounterexampleChecker]: No commutativity condition found.
[2024-11-27 06:36:54,732 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8
[2024-11-27 06:36:54,732 WARN  L190   ounterexampleChecker]: Statements were already independent.
[2024-11-27 06:36:54,732 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11
[2024-11-27 06:36:54,732 WARN  L190   ounterexampleChecker]: Statements were already independent.
[2024-11-27 06:36:54,732 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17
[2024-11-27 06:36:54,758 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-27 06:36:54,758 INFO  L85        PathProgramCache]: Analyzing trace with hash -909983325, now seen corresponding path program 1 times
[2024-11-27 06:36:54,759 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL
[2024-11-27 06:36:54,759 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923375814]
[2024-11-27 06:36:54,759 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-27 06:36:54,759 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-27 06:36:54,785 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-27 06:36:54,786 INFO  L130   FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace
[2024-11-27 06:36:54,787 INFO  L180   ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless.
[2024-11-27 06:36:54,787 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22
[2024-11-27 06:36:54,790 INFO  L209   ounterexampleChecker]: No commutativity condition found.
[2024-11-27 06:36:54,791 INFO  L162   ounterexampleChecker]: Commutativity condition check at non-minimality point 26 is hopeless, skipping.
[2024-11-27 06:36:54,791 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35
[2024-11-27 06:36:54,791 INFO  L209   ounterexampleChecker]: No commutativity condition found.
[2024-11-27 06:36:54,791 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37
[2024-11-27 06:36:54,791 WARN  L190   ounterexampleChecker]: Statements were already independent.
[2024-11-27 06:36:54,791 WARN  L214   ounterexampleChecker]: Failed to synthesize and prove commutativity condition.
[2024-11-27 06:36:54,791 INFO  L316   artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-11-27 06:36:54,791 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-27 06:36:54,791 INFO  L85        PathProgramCache]: Analyzing trace with hash -476212144, now seen corresponding path program 4 times
[2024-11-27 06:36:54,791 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-27 06:36:54,791 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346570090]
[2024-11-27 06:36:54,791 INFO  L95    rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2024-11-27 06:36:54,792 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-27 06:36:54,842 INFO  L229   tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2024-11-27 06:36:54,842 INFO  L230   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-27 06:36:55,008 INFO  L134       CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2024-11-27 06:36:55,008 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-27 06:36:55,008 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1346570090]
[2024-11-27 06:36:55,008 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1346570090] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-27 06:36:55,008 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-27 06:36:55,008 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-27 06:36:55,008 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951529095]
[2024-11-27 06:36:55,009 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-27 06:36:55,010 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-27 06:36:55,010 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-27 06:36:55,011 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-27 06:36:55,011 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-27 06:36:55,011 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-27 06:36:55,011 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-11-27 06:36:55,011 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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 06:36:55,011 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-11-27 06:36:55,011 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-11-27 06:36:55,011 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-11-27 06:36:55,012 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-11-27 06:36:55,012 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. 
[2024-11-27 06:36:55,012 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2024-11-27 06:36:55,012 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-11-27 06:36:55,012 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-11-27 06:36:55,182 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-27 06:36:55,182 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-27 06:36:55,182 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-27 06:36:55,182 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-27 06:36:55,182 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2024-11-27 06:36:55,182 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2024-11-27 06:36:55,182 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-27 06:36:55,183 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-27 06:36:55,183 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,SelfDestructingSolverStorable9
[2024-11-27 06:36:55,183 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-11-27 06:36:55,183 INFO  L305   artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-11-27 06:36:55,183 INFO  L139   ounterexampleChecker]: Examining path program with hash 2080159914, occurence #1
[2024-11-27 06:36:55,183 INFO  L141   ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping...
[2024-11-27 06:36:55,183 INFO  L316   artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-11-27 06:36:55,184 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-27 06:36:55,184 INFO  L85        PathProgramCache]: Analyzing trace with hash 329267535, now seen corresponding path program 1 times
[2024-11-27 06:36:55,184 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-27 06:36:55,184 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258118325]
[2024-11-27 06:36:55,184 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-27 06:36:55,184 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-27 06:36:55,238 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-27 06:36:56,823 INFO  L134       CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-27 06:36:56,823 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-27 06:36:56,823 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258118325]
[2024-11-27 06:36:56,824 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258118325] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-27 06:36:56,824 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [199608275]
[2024-11-27 06:36:56,824 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-27 06:36:56,824 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-27 06:36:56,824 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3
[2024-11-27 06:36:56,826 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-27 06:36:56,830 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-11-27 06:36:56,915 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-27 06:36:56,917 INFO  L256         TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 39 conjuncts are in the unsatisfiable core
[2024-11-27 06:36:56,919 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-11-27 06:36:57,855 INFO  L134       CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-27 06:36:57,855 INFO  L312         TraceCheckSpWp]: Computing backward predicates...
[2024-11-27 06:36:58,619 INFO  L349             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-27 06:36:58,619 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 75 treesize of output 60
[2024-11-27 06:36:59,267 INFO  L134       CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-27 06:36:59,267 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [199608275] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-27 06:36:59,267 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-27 06:36:59,267 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15, 15] total 43
[2024-11-27 06:36:59,267 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312578560]
[2024-11-27 06:36:59,268 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-27 06:36:59,269 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 44 states
[2024-11-27 06:36:59,270 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-27 06:36:59,271 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants.
[2024-11-27 06:36:59,272 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=295, Invalid=1597, Unknown=0, NotChecked=0, Total=1892
[2024-11-27 06:36:59,272 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-27 06:36:59,272 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-11-27 06:36:59,272 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 44 states, 44 states have (on average 2.409090909090909) internal successors, (106), 43 states have internal predecessors, (106), 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 06:36:59,272 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-11-27 06:36:59,272 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-11-27 06:36:59,272 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-11-27 06:36:59,272 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-11-27 06:36:59,272 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. 
[2024-11-27 06:36:59,272 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2024-11-27 06:36:59,272 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-11-27 06:36:59,272 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-11-27 06:36:59,272 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-11-27 06:37:01,440 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-27 06:37:01,440 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-27 06:37:01,440 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-27 06:37:01,440 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-27 06:37:01,440 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2024-11-27 06:37:01,440 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2024-11-27 06:37:01,440 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-27 06:37:01,440 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-27 06:37:01,441 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. 
[2024-11-27 06:37:01,453 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0
[2024-11-27 06:37:01,645 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-27 06:37:01,645 INFO  L396      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-11-27 06:37:01,645 INFO  L305   artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-11-27 06:37:01,645 INFO  L139   ounterexampleChecker]: Examining path program with hash 2080159914, occurence #2
[2024-11-27 06:37:01,646 INFO  L145   ounterexampleChecker]: Trying to synthesize and prove commutativity condition.
[2024-11-27 06:37:01,646 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0
[2024-11-27 06:37:01,646 INFO  L209   ounterexampleChecker]: No commutativity condition found.
[2024-11-27 06:37:01,646 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1
[2024-11-27 06:37:01,646 INFO  L209   ounterexampleChecker]: No commutativity condition found.
[2024-11-27 06:37:01,646 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4
[2024-11-27 06:37:01,646 INFO  L209   ounterexampleChecker]: No commutativity condition found.
[2024-11-27 06:37:01,646 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9
[2024-11-27 06:37:01,646 WARN  L190   ounterexampleChecker]: Statements were already independent.
[2024-11-27 06:37:01,646 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12
[2024-11-27 06:37:01,646 WARN  L190   ounterexampleChecker]: Statements were already independent.
[2024-11-27 06:37:01,646 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18
[2024-11-27 06:37:01,671 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-27 06:37:01,671 INFO  L85        PathProgramCache]: Analyzing trace with hash 2097490664, now seen corresponding path program 1 times
[2024-11-27 06:37:01,671 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL
[2024-11-27 06:37:01,671 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656181854]
[2024-11-27 06:37:01,671 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-27 06:37:01,671 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-27 06:37:01,696 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-27 06:37:01,700 INFO  L130   FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace
[2024-11-27 06:37:01,700 INFO  L180   ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless.
[2024-11-27 06:37:01,700 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23
[2024-11-27 06:37:01,700 INFO  L209   ounterexampleChecker]: No commutativity condition found.
[2024-11-27 06:37:01,700 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27
[2024-11-27 06:37:01,723 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-27 06:37:01,724 INFO  L85        PathProgramCache]: Analyzing trace with hash -688963904, now seen corresponding path program 1 times
[2024-11-27 06:37:01,724 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL
[2024-11-27 06:37:01,724 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629638892]
[2024-11-27 06:37:01,724 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-27 06:37:01,724 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-27 06:37:01,760 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-27 06:37:01,761 INFO  L130   FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace
[2024-11-27 06:37:01,762 INFO  L180   ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless.
[2024-11-27 06:37:01,762 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32
[2024-11-27 06:37:01,762 INFO  L209   ounterexampleChecker]: No commutativity condition found.
[2024-11-27 06:37:01,765 INFO  L162   ounterexampleChecker]: Commutativity condition check at non-minimality point 36 is hopeless, skipping.
[2024-11-27 06:37:01,765 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45
[2024-11-27 06:37:01,765 INFO  L209   ounterexampleChecker]: No commutativity condition found.
[2024-11-27 06:37:01,765 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47
[2024-11-27 06:37:01,765 WARN  L190   ounterexampleChecker]: Statements were already independent.
[2024-11-27 06:37:01,765 WARN  L214   ounterexampleChecker]: Failed to synthesize and prove commutativity condition.
[2024-11-27 06:37:01,765 INFO  L316   artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-11-27 06:37:01,769 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-27 06:37:01,769 INFO  L85        PathProgramCache]: Analyzing trace with hash 127656477, now seen corresponding path program 2 times
[2024-11-27 06:37:01,769 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-27 06:37:01,769 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650021527]
[2024-11-27 06:37:01,769 INFO  L95    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-27 06:37:01,769 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-27 06:37:01,805 INFO  L229   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-11-27 06:37:01,805 INFO  L230   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-27 06:37:03,802 INFO  L134       CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-27 06:37:03,802 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-27 06:37:03,803 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650021527]
[2024-11-27 06:37:03,803 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650021527] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-27 06:37:03,803 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1494499618]
[2024-11-27 06:37:03,803 INFO  L95    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-27 06:37:03,803 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-27 06:37:03,803 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3
[2024-11-27 06:37:03,807 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-27 06:37:03,811 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2024-11-27 06:37:03,910 INFO  L229   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-11-27 06:37:03,910 INFO  L230   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-27 06:37:03,913 INFO  L256         TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 54 conjuncts are in the unsatisfiable core
[2024-11-27 06:37:03,917 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-11-27 06:37:05,312 INFO  L134       CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-27 06:37:05,312 INFO  L312         TraceCheckSpWp]: Computing backward predicates...
[2024-11-27 06:37:06,491 INFO  L349             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-27 06:37:06,492 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 108 treesize of output 114
[2024-11-27 06:37:07,290 INFO  L134       CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-27 06:37:07,290 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1494499618] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-27 06:37:07,290 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-27 06:37:07,290 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 22, 22] total 63
[2024-11-27 06:37:07,290 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512753342]
[2024-11-27 06:37:07,290 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-27 06:37:07,292 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 64 states
[2024-11-27 06:37:07,292 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-27 06:37:07,293 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants.
[2024-11-27 06:37:07,295 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=585, Invalid=3447, Unknown=0, NotChecked=0, Total=4032
[2024-11-27 06:37:07,295 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-27 06:37:07,296 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-11-27 06:37:07,298 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 64 states, 64 states have (on average 2.09375) internal successors, (134), 63 states have internal predecessors, (134), 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 06:37:07,298 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-11-27 06:37:07,298 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-11-27 06:37:07,298 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-11-27 06:37:07,298 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-11-27 06:37:07,298 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. 
[2024-11-27 06:37:07,299 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2024-11-27 06:37:07,299 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-11-27 06:37:07,299 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-11-27 06:37:07,299 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. 
[2024-11-27 06:37:07,299 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-11-27 06:37:12,142 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-27 06:37:12,142 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-27 06:37:12,142 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-27 06:37:12,142 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-27 06:37:12,142 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2024-11-27 06:37:12,142 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2024-11-27 06:37:12,142 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-27 06:37:12,142 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-27 06:37:12,142 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. 
[2024-11-27 06:37:12,143 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. 
[2024-11-27 06:37:12,149 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0
[2024-11-27 06:37:12,343 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-27 06:37:12,343 INFO  L396      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-11-27 06:37:12,344 INFO  L305   artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-11-27 06:37:12,344 INFO  L139   ounterexampleChecker]: Examining path program with hash 2080159914, occurence #3
[2024-11-27 06:37:12,344 INFO  L145   ounterexampleChecker]: Trying to synthesize and prove commutativity condition.
[2024-11-27 06:37:12,344 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0
[2024-11-27 06:37:12,344 INFO  L209   ounterexampleChecker]: No commutativity condition found.
[2024-11-27 06:37:12,344 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1
[2024-11-27 06:37:12,344 INFO  L209   ounterexampleChecker]: No commutativity condition found.
[2024-11-27 06:37:12,344 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4
[2024-11-27 06:37:12,344 INFO  L209   ounterexampleChecker]: No commutativity condition found.
[2024-11-27 06:37:12,344 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10
[2024-11-27 06:37:12,344 WARN  L190   ounterexampleChecker]: Statements were already independent.
[2024-11-27 06:37:12,344 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13
[2024-11-27 06:37:12,344 WARN  L190   ounterexampleChecker]: Statements were already independent.
[2024-11-27 06:37:12,345 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19
[2024-11-27 06:37:12,364 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-27 06:37:12,364 INFO  L85        PathProgramCache]: Analyzing trace with hash 839903360, now seen corresponding path program 1 times
[2024-11-27 06:37:12,364 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL
[2024-11-27 06:37:12,365 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652843096]
[2024-11-27 06:37:12,365 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-27 06:37:12,365 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-27 06:37:12,382 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-27 06:37:12,383 INFO  L130   FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace
[2024-11-27 06:37:12,384 INFO  L180   ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless.
[2024-11-27 06:37:12,384 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24
[2024-11-27 06:37:12,384 INFO  L209   ounterexampleChecker]: No commutativity condition found.
[2024-11-27 06:37:12,384 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28
[2024-11-27 06:37:12,411 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-27 06:37:12,411 INFO  L85        PathProgramCache]: Analyzing trace with hash 356523140, now seen corresponding path program 1 times
[2024-11-27 06:37:12,411 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL
[2024-11-27 06:37:12,411 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172487477]
[2024-11-27 06:37:12,412 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-27 06:37:12,412 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-27 06:37:12,429 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-27 06:37:12,430 INFO  L130   FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace
[2024-11-27 06:37:12,430 INFO  L180   ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless.
[2024-11-27 06:37:12,430 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33
[2024-11-27 06:37:12,430 INFO  L209   ounterexampleChecker]: No commutativity condition found.
[2024-11-27 06:37:12,430 INFO  L162   ounterexampleChecker]: Commutativity condition check at non-minimality point 37 is hopeless, skipping.
[2024-11-27 06:37:12,431 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42
[2024-11-27 06:37:12,431 INFO  L209   ounterexampleChecker]: No commutativity condition found.
[2024-11-27 06:37:12,431 INFO  L162   ounterexampleChecker]: Commutativity condition check at non-minimality point 46 is hopeless, skipping.
[2024-11-27 06:37:12,431 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55
[2024-11-27 06:37:12,431 INFO  L209   ounterexampleChecker]: No commutativity condition found.
[2024-11-27 06:37:12,431 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57
[2024-11-27 06:37:12,431 WARN  L190   ounterexampleChecker]: Statements were already independent.
[2024-11-27 06:37:12,431 WARN  L214   ounterexampleChecker]: Failed to synthesize and prove commutativity condition.
[2024-11-27 06:37:12,431 INFO  L316   artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-11-27 06:37:12,432 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-27 06:37:12,432 INFO  L85        PathProgramCache]: Analyzing trace with hash -610541170, now seen corresponding path program 3 times
[2024-11-27 06:37:12,432 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-27 06:37:12,432 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812138054]
[2024-11-27 06:37:12,432 INFO  L95    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-11-27 06:37:12,432 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-27 06:37:12,494 INFO  L229   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s)
[2024-11-27 06:37:12,494 INFO  L230   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-27 06:37:15,506 INFO  L134       CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-27 06:37:15,506 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-27 06:37:15,506 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812138054]
[2024-11-27 06:37:15,506 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812138054] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-27 06:37:15,506 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1558766898]
[2024-11-27 06:37:15,507 INFO  L95    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-11-27 06:37:15,507 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-27 06:37:15,507 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3
[2024-11-27 06:37:15,509 INFO  L229       MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-27 06:37:15,512 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2024-11-27 06:37:15,682 INFO  L229   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s)
[2024-11-27 06:37:15,682 INFO  L230   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-27 06:37:15,685 INFO  L256         TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 67 conjuncts are in the unsatisfiable core
[2024-11-27 06:37:15,688 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-11-27 06:37:18,098 INFO  L349             Elim1Store]: treesize reduction 8, result has 89.0 percent of original size
[2024-11-27 06:37:18,099 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 61 treesize of output 87
[2024-11-27 06:37:18,684 INFO  L134       CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-27 06:37:18,684 INFO  L312         TraceCheckSpWp]: Computing backward predicates...
[2024-11-27 06:37:30,322 INFO  L349             Elim1Store]: treesize reduction 10, result has 97.1 percent of original size
[2024-11-27 06:37:30,323 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 172 treesize of output 409
[2024-11-27 06:37:36,551 WARN  L672   sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts.
[2024-11-27 06:37:47,912 WARN  L672   sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts.
[2024-11-27 06:37:50,836 WARN  L672   sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts.
[2024-11-27 06:37:50,875 WARN  L672   sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts.
[2024-11-27 06:37:50,927 WARN  L672   sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts.
[2024-11-27 06:37:51,028 WARN  L672   sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts.
[2024-11-27 06:37:51,118 WARN  L672   sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts.
[2024-11-27 06:37:51,252 WARN  L672   sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts.
[2024-11-27 06:37:51,322 WARN  L672   sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts.
[2024-11-27 06:37:51,650 WARN  L672   sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts.
[2024-11-27 06:37:51,711 WARN  L672   sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts.
[2024-11-27 06:37:51,782 WARN  L672   sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts.
[2024-11-27 06:37:51,841 WARN  L672   sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts.
[2024-11-27 06:37:51,888 WARN  L672   sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts.
[2024-11-27 06:37:51,938 WARN  L672   sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts.
[2024-11-27 06:38:05,347 WARN  L672   sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts.
[2024-11-27 06:38:05,546 WARN  L672   sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts.
[2024-11-27 06:38:32,150 WARN  L672   sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts.
[2024-11-27 06:38:32,248 WARN  L672   sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts.
[2024-11-27 06:38:32,403 WARN  L672   sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts.
[2024-11-27 06:38:32,496 WARN  L672   sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts.
[2024-11-27 06:38:32,605 WARN  L672   sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts.
[2024-11-27 06:39:06,238 WARN  L672   sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts.
[2024-11-27 06:39:25,107 INFO  L134       CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-27 06:39:25,108 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1558766898] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-27 06:39:25,108 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-27 06:39:25,108 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 30, 30] total 86
[2024-11-27 06:39:25,108 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476286261]
[2024-11-27 06:39:25,108 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-27 06:39:25,108 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 87 states
[2024-11-27 06:39:25,109 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-27 06:39:25,110 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants.
[2024-11-27 06:39:25,112 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=887, Invalid=6592, Unknown=3, NotChecked=0, Total=7482
[2024-11-27 06:39:25,112 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-27 06:39:25,112 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-11-27 06:39:25,112 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 87 states, 87 states have (on average 1.9310344827586208) internal successors, (168), 86 states have internal predecessors, (168), 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 06:39:25,112 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-11-27 06:39:25,113 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-11-27 06:39:25,113 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-11-27 06:39:25,113 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-11-27 06:39:25,113 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. 
[2024-11-27 06:39:25,113 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2024-11-27 06:39:25,113 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-11-27 06:39:25,113 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-11-27 06:39:25,113 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. 
[2024-11-27 06:39:25,113 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. 
[2024-11-27 06:39:25,113 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-11-27 06:39:42,447 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1]
[2024-11-27 06:39:45,354 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1]
[2024-11-27 06:39:50,912 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1]
[2024-11-27 06:39:52,947 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1]
[2024-11-27 06:39:54,964 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1]
[2024-11-27 06:39:56,648 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1]
[2024-11-27 06:40:00,825 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1]
[2024-11-27 06:40:05,039 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1]
[2024-11-27 06:40:07,047 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1]
[2024-11-27 06:40:09,060 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1]
[2024-11-27 06:40:11,081 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1]
[2024-11-27 06:40:13,101 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1]
[2024-11-27 06:40:15,117 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1]
[2024-11-27 06:40:20,713 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1]
[2024-11-27 06:40:22,176 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1]
[2024-11-27 06:40:24,183 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1]
[2024-11-27 06:40:36,055 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1]
[2024-11-27 06:40:38,953 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1]
[2024-11-27 06:40:44,728 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1]
[2024-11-27 06:40:50,949 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1]
[2024-11-27 06:40:59,369 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1]
[2024-11-27 06:41:01,373 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1]
[2024-11-27 06:41:03,243 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1]
[2024-11-27 06:41:04,776 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-27 06:41:04,776 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-27 06:41:04,776 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-27 06:41:04,776 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-27 06:41:04,776 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. 
[2024-11-27 06:41:04,776 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2024-11-27 06:41:04,776 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-27 06:41:04,776 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-27 06:41:04,776 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. 
[2024-11-27 06:41:04,776 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. 
[2024-11-27 06:41:04,776 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. 
[2024-11-27 06:41:04,783 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0
[2024-11-27 06:41:04,977 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17
[2024-11-27 06:41:04,978 INFO  L396      AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-11-27 06:41:04,978 INFO  L305   artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-11-27 06:41:04,978 INFO  L139   ounterexampleChecker]: Examining path program with hash 2080159914, occurence #4
[2024-11-27 06:41:04,978 INFO  L145   ounterexampleChecker]: Trying to synthesize and prove commutativity condition.
[2024-11-27 06:41:04,978 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0
[2024-11-27 06:41:04,978 INFO  L209   ounterexampleChecker]: No commutativity condition found.
[2024-11-27 06:41:04,978 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1
[2024-11-27 06:41:04,978 INFO  L209   ounterexampleChecker]: No commutativity condition found.
[2024-11-27 06:41:04,978 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4
[2024-11-27 06:41:04,978 INFO  L209   ounterexampleChecker]: No commutativity condition found.
[2024-11-27 06:41:04,978 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11
[2024-11-27 06:41:04,978 WARN  L190   ounterexampleChecker]: Statements were already independent.
[2024-11-27 06:41:04,979 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14
[2024-11-27 06:41:04,979 WARN  L190   ounterexampleChecker]: Statements were already independent.
[2024-11-27 06:41:04,979 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20
[2024-11-27 06:41:04,999 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-27 06:41:04,999 INFO  L85        PathProgramCache]: Analyzing trace with hash 509402184, now seen corresponding path program 1 times
[2024-11-27 06:41:04,999 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL
[2024-11-27 06:41:04,999 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797602871]
[2024-11-27 06:41:04,999 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-27 06:41:04,999 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-27 06:41:05,016 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-27 06:41:05,018 INFO  L130   FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace
[2024-11-27 06:41:05,018 INFO  L180   ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless.
[2024-11-27 06:41:05,018 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25
[2024-11-27 06:41:05,018 INFO  L209   ounterexampleChecker]: No commutativity condition found.
[2024-11-27 06:41:05,018 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29
[2024-11-27 06:41:05,048 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-27 06:41:05,049 INFO  L85        PathProgramCache]: Analyzing trace with hash -1593117280, now seen corresponding path program 1 times
[2024-11-27 06:41:05,049 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL
[2024-11-27 06:41:05,049 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147458590]
[2024-11-27 06:41:05,049 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-27 06:41:05,049 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-27 06:41:05,069 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-27 06:41:05,070 INFO  L130   FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace
[2024-11-27 06:41:05,070 INFO  L180   ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless.
[2024-11-27 06:41:05,070 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34
[2024-11-27 06:41:05,071 INFO  L209   ounterexampleChecker]: No commutativity condition found.
[2024-11-27 06:41:05,071 INFO  L162   ounterexampleChecker]: Commutativity condition check at non-minimality point 38 is hopeless, skipping.
[2024-11-27 06:41:05,071 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43
[2024-11-27 06:41:05,071 INFO  L209   ounterexampleChecker]: No commutativity condition found.
[2024-11-27 06:41:05,071 INFO  L162   ounterexampleChecker]: Commutativity condition check at non-minimality point 47 is hopeless, skipping.
[2024-11-27 06:41:05,071 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52
[2024-11-27 06:41:05,071 INFO  L209   ounterexampleChecker]: No commutativity condition found.
[2024-11-27 06:41:05,071 INFO  L162   ounterexampleChecker]: Commutativity condition check at non-minimality point 56 is hopeless, skipping.
[2024-11-27 06:41:05,071 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 65
[2024-11-27 06:41:05,072 INFO  L209   ounterexampleChecker]: No commutativity condition found.
[2024-11-27 06:41:05,072 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 67
[2024-11-27 06:41:05,072 WARN  L190   ounterexampleChecker]: Statements were already independent.
[2024-11-27 06:41:05,072 WARN  L214   ounterexampleChecker]: Failed to synthesize and prove commutativity condition.
[2024-11-27 06:41:05,072 INFO  L316   artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-11-27 06:41:05,072 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-27 06:41:05,072 INFO  L85        PathProgramCache]: Analyzing trace with hash 770811838, now seen corresponding path program 4 times
[2024-11-27 06:41:05,072 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-27 06:41:05,072 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511976071]
[2024-11-27 06:41:05,072 INFO  L95    rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2024-11-27 06:41:05,073 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-27 06:41:05,126 INFO  L229   tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2024-11-27 06:41:05,126 INFO  L230   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-27 06:41:08,056 INFO  L134       CoverageAnalysis]: Checked inductivity of 80 backedges. 6 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-27 06:41:08,056 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-27 06:41:08,056 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [511976071]
[2024-11-27 06:41:08,057 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [511976071] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-27 06:41:08,057 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1038139963]
[2024-11-27 06:41:08,057 INFO  L95    rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2024-11-27 06:41:08,057 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-27 06:41:08,057 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3
[2024-11-27 06:41:08,060 INFO  L229       MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-27 06:41:08,063 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2024-11-27 06:41:08,214 INFO  L229   tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2024-11-27 06:41:08,214 INFO  L230   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-27 06:41:08,218 INFO  L256         TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 78 conjuncts are in the unsatisfiable core
[2024-11-27 06:41:08,228 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-11-27 06:41:12,451 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-11-27 06:41:12,454 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-11-27 06:41:12,456 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-11-27 06:41:12,459 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-11-27 06:41:12,461 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-11-27 06:41:12,463 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-11-27 06:41:12,465 INFO  L173   IndexEqualityManager]: detected equality via solver
[2024-11-27 06:41:12,467 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-11-27 06:41:12,471 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-11-27 06:41:12,473 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-11-27 06:41:12,475 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-11-27 06:41:12,476 INFO  L173   IndexEqualityManager]: detected equality via solver
[2024-11-27 06:41:12,478 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2024-11-27 06:41:12,480 INFO  L173   IndexEqualityManager]: detected equality via solver
[2024-11-27 06:41:12,492 INFO  L349             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-27 06:41:12,496 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 84 treesize of output 37
[2024-11-27 06:41:12,531 INFO  L134       CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-27 06:41:12,531 INFO  L312         TraceCheckSpWp]: Computing backward predicates...
[2024-11-27 06:41:23,646 INFO  L349             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-27 06:41:23,646 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 13 select indices, 13 select index equivalence classes, 0 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 78 case distinctions, treesize of input 213 treesize of output 699
[2024-11-27 06:41:26,748 WARN  L672   sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts.
[2024-11-27 06:41:27,650 WARN  L672   sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts.
[2024-11-27 06:41:28,983 WARN  L672   sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts.
[2024-11-27 06:41:31,396 WARN  L672   sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts.
[2024-11-27 06:41:35,255 WARN  L672   sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts.
[2024-11-27 06:41:36,111 WARN  L672   sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts.
[2024-11-27 06:41:37,154 WARN  L672   sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts.
[2024-11-27 06:41:39,184 WARN  L672   sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts.
[2024-11-27 06:41:42,357 WARN  L672   sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts.
[2024-11-27 06:41:43,367 WARN  L672   sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts.
[2024-11-27 06:41:43,409 WARN  L672   sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts.
[2024-11-27 06:41:43,629 WARN  L672   sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts.
[2024-11-27 06:41:44,255 WARN  L672   sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts.
[2024-11-27 06:41:44,570 WARN  L672   sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts.
[2024-11-27 06:41:45,159 WARN  L672   sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts.
[2024-11-27 06:41:46,247 WARN  L672   sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts.
[2024-11-27 06:41:47,213 WARN  L672   sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts.
[2024-11-27 06:41:49,080 WARN  L672   sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts.
[2024-11-27 06:41:50,563 WARN  L672   sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts.
[2024-11-27 06:41:51,510 WARN  L672   sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts.
[2024-11-27 06:41:52,058 WARN  L672   sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts.
[2024-11-27 06:41:53,569 WARN  L672   sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts.
[2024-11-27 06:41:53,693 WARN  L672   sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts.
[2024-11-27 06:41:54,107 WARN  L672   sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts.
[2024-11-27 06:41:54,647 WARN  L672   sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts.
[2024-11-27 06:41:54,888 WARN  L672   sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts.
[2024-11-27 06:41:56,708 WARN  L672   sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts.
[2024-11-27 06:41:57,465 WARN  L672   sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts.
[2024-11-27 06:41:59,620 WARN  L672   sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts.
[2024-11-27 06:42:00,396 WARN  L672   sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts.
[2024-11-27 06:42:03,193 WARN  L672   sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts.
[2024-11-27 06:42:08,548 WARN  L672   sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts.
[2024-11-27 06:42:11,475 WARN  L672   sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts.
[2024-11-27 06:42:13,062 WARN  L672   sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts.
[2024-11-27 06:42:14,226 WARN  L672   sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts.
[2024-11-27 06:42:16,240 WARN  L672   sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts.
[2024-11-27 06:42:19,276 WARN  L672   sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts.
[2024-11-27 06:42:25,143 WARN  L672   sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts.
[2024-11-27 06:42:31,473 WARN  L672   sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts.
[2024-11-27 06:42:32,490 WARN  L672   sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts.
[2024-11-27 06:42:33,456 WARN  L672   sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts.
[2024-11-27 06:42:33,939 WARN  L672   sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts.
[2024-11-27 06:42:34,389 WARN  L672   sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts.
[2024-11-27 06:42:38,534 WARN  L672   sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts.
[2024-11-27 06:42:39,323 WARN  L672   sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts.
[2024-11-27 06:42:40,774 WARN  L672   sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts.
[2024-11-27 06:42:41,210 WARN  L672   sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts.
[2024-11-27 06:42:41,717 WARN  L672   sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts.
[2024-11-27 06:42:42,236 WARN  L672   sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts.
[2024-11-27 06:42:43,869 WARN  L672   sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts.
[2024-11-27 06:42:45,156 WARN  L672   sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts.
[2024-11-27 06:42:45,621 WARN  L672   sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts.
[2024-11-27 06:42:46,176 WARN  L672   sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts.
[2024-11-27 06:42:46,423 WARN  L672   sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts.
[2024-11-27 06:42:47,273 WARN  L672   sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts.
[2024-11-27 06:42:48,151 WARN  L672   sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts.
[2024-11-27 06:42:50,573 WARN  L672   sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts.
[2024-11-27 06:42:51,323 WARN  L672   sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts.
[2024-11-27 06:42:51,679 WARN  L672   sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts.
[2024-11-27 06:42:52,637 WARN  L672   sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts.
[2024-11-27 06:42:53,012 WARN  L672   sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts.
[2024-11-27 06:42:53,445 WARN  L672   sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts.
[2024-11-27 06:42:53,839 WARN  L672   sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts.
[2024-11-27 06:42:54,812 WARN  L672   sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts.
[2024-11-27 06:42:57,564 WARN  L672   sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts.
[2024-11-27 06:42:58,439 WARN  L672   sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts.
[2024-11-27 06:42:58,838 WARN  L672   sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts.
[2024-11-27 06:42:59,223 WARN  L672   sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts.
[2024-11-27 06:43:00,496 WARN  L672   sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts.
[2024-11-27 06:43:01,139 WARN  L672   sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts.
[2024-11-27 06:43:02,524 WARN  L672   sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts.
[2024-11-27 06:43:05,666 WARN  L672   sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts.
[2024-11-27 06:43:09,239 WARN  L672   sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts.
[2024-11-27 06:43:11,719 WARN  L672   sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts.
[2024-11-27 06:43:13,276 WARN  L672   sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts.
[2024-11-27 06:43:17,781 WARN  L672   sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts.
[2024-11-27 06:43:19,544 WARN  L672   sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts.
[2024-11-27 06:43:20,210 WARN  L672   sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts.
[2024-11-27 06:43:21,616 WARN  L672   sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts.
[2024-11-27 06:43:24,119 WARN  L672   sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts.
[2024-11-27 06:43:24,700 WARN  L672   sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts.
[2024-11-27 06:43:25,804 WARN  L672   sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts.
[2024-11-27 06:43:33,536 WARN  L672   sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts.
[2024-11-27 06:43:36,397 WARN  L672   sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts.
[2024-11-27 06:43:39,189 WARN  L672   sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts.
[2024-11-27 06:43:40,392 WARN  L672   sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts.
[2024-11-27 06:43:45,256 WARN  L672   sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts.
[2024-11-27 06:43:47,189 WARN  L672   sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts.
[2024-11-27 06:43:48,983 WARN  L672   sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts.
[2024-11-27 06:43:50,044 WARN  L672   sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts.
[2024-11-27 06:43:51,049 WARN  L672   sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts.
[2024-11-27 06:43:53,564 WARN  L672   sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts.
[2024-11-27 06:43:55,562 WARN  L672   sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts.
[2024-11-27 06:43:56,339 WARN  L672   sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts.
[2024-11-27 06:43:58,276 WARN  L672   sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts.
[2024-11-27 06:43:59,579 WARN  L672   sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts.
[2024-11-27 06:44:03,423 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 101
[2024-11-27 06:44:03,424 WARN  L249               Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory")

[2024-11-27 06:44:03,425 WARN  L320   FreeRefinementEngine]: Global settings require throwing the following exception
[2024-11-27 06:44:03,433 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0
[2024-11-27 06:44:03,625 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable19,SelfDestructingSolverStorable20
[2024-11-27 06:44:03,638 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0
[2024-11-27 06:44:03,638 FATAL L?                        ?]: An unrecoverable error occured during an interaction with an SMT solver:
de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory")

	at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262)
	at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:277)
	at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.push(Scriptor.java:133)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.push(DiffWrapperScript.java:90)
	at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.push(WrapperScript.java:148)
	at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.push(HistoryRecordingScript.java:107)
	at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:48)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.checkRedundancy(SimplifyDDA2.java:275)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convertForPreprocessedInputTerms(SimplifyDDA2.java:499)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:484)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:1)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:88)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.simplify(SimplifyDDA2.java:590)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:245)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:318)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify(QuantifierPusher.java:728)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:133)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.pushMinionEliminatees(QuantifierPushUtilsForSubsetPush.java:255)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:151)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:337)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:189)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:283)
	at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:51)
	at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:234)
	at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:416)
	at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:395)
	at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:267)
	at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:325)
	at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:181)
	at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.<init>(TraceCheckSpWp.java:160)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:106)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77)
	at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:267)
	at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:148)
	at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137)
	at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.<init>(AutomatonFreeRefinementEngine.java:85)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.<init>(TraceAbstractionRefinementEngine.java:82)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:317)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.isCounterexampleFeasible(PartialOrderCegarLoop.java:320)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:407)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:428)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:314)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:238)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:165)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.<init>(TraceAbstractionStarter.java:140)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:132)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63)
Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF
	at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518)
	at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701)
	at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383)
	at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258)
	... 70 more
[2024-11-27 06:44:03,647 INFO  L158              Benchmark]: Toolchain (without parser) took 438059.50ms. Allocated memory was 117.4MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 92.8MB in the beginning and 636.4MB in the end (delta: -543.6MB). Peak memory consumption was 777.2MB. Max. memory is 16.1GB.
[2024-11-27 06:44:03,648 INFO  L158              Benchmark]: CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-27 06:44:03,648 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 267.20ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 80.6MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-27 06:44:03,649 INFO  L158              Benchmark]: Boogie Procedure Inliner took 34.74ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 78.9MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-27 06:44:03,649 INFO  L158              Benchmark]: Boogie Preprocessor took 47.01ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 77.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-27 06:44:03,649 INFO  L158              Benchmark]: RCFGBuilder took 759.63ms. Allocated memory is still 117.4MB. Free memory was 77.7MB in the beginning and 44.4MB in the end (delta: 33.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB.
[2024-11-27 06:44:03,650 INFO  L158              Benchmark]: TraceAbstraction took 436942.66ms. Allocated memory was 117.4MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 44.1MB in the beginning and 636.4MB in the end (delta: -592.3MB). Peak memory consumption was 726.9MB. Max. memory is 16.1GB.
[2024-11-27 06:44:03,651 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 267.20ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 80.6MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 34.74ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 78.9MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 47.01ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 77.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB.
 * RCFGBuilder took 759.63ms. Allocated memory is still 117.4MB. Free memory was 77.7MB in the beginning and 44.4MB in the end (delta: 33.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB.
 * TraceAbstraction took 436942.66ms. Allocated memory was 117.4MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 44.1MB in the beginning and 636.4MB in the end (delta: -592.3MB). Peak memory consumption was 726.9MB. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory")

    de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory")
: de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262)
RESULT: Ultimate could not prove your program: Toolchain returned no result.
Received shutdown request...
--- End real Ultimate output ---

Execution finished normally
Using bit-precise analysis
Retrying with bit-precise analysis

### Bit-precise run ###
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/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_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/popl20-channel-sum.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/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 bc55f480d2dabcba35697f502078f181c178ae095f610e1cdbc5d03f14d18670
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-11-27 06:44:06,658 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-27 06:44:06,813 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf
[2024-11-27 06:44:06,822 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-27 06:44:06,826 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-27 06:44:06,873 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-27 06:44:06,875 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-27 06:44:06,875 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-27 06:44:06,876 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-27 06:44:06,876 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-27 06:44:06,876 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-27 06:44:06,876 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-27 06:44:06,876 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-27 06:44:06,877 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-27 06:44:06,878 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-27 06:44:06,879 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-27 06:44:06,879 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-27 06:44:06,879 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-27 06:44:06,879 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-27 06:44:06,880 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-27 06:44:06,880 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-27 06:44:06,880 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-27 06:44:06,880 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-27 06:44:06,880 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-27 06:44:06,880 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-27 06:44:06,881 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-27 06:44:06,881 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-27 06:44:06,881 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-27 06:44:06,881 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-27 06:44:06,881 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-27 06:44:06,882 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-27 06:44:06,883 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-11-27 06:44:06,883 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-27 06:44:06,883 INFO  L153        SettingsManager]:  * Refinement strategy for commutativity condition synthesis=FOX
[2024-11-27 06:44:06,883 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-27 06:44:06,883 INFO  L153        SettingsManager]:  * Compute procedure contracts=false
[2024-11-27 06:44:06,883 INFO  L153        SettingsManager]:  * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT
[2024-11-27 06:44:06,883 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-27 06:44:06,883 INFO  L153        SettingsManager]:  * Trace refinement strategy=FOX
[2024-11-27 06:44:06,884 INFO  L153        SettingsManager]:  * DFS Order used in POR=LOOP_LOCKSTEP
[2024-11-27 06:44:06,884 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-27 06:44:06,884 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-27 06:44:06,884 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2024-11-27 06:44:06,885 INFO  L153        SettingsManager]:  * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2024-11-27 06:44:06,885 INFO  L153        SettingsManager]:  * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2024-11-27 06:44:06,885 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_3c38dcf4-1eea-4f0b-8477-a30312f8f934/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 -> bc55f480d2dabcba35697f502078f181c178ae095f610e1cdbc5d03f14d18670
[2024-11-27 06:44:07,286 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-27 06:44:07,294 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-27 06:44:07,297 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-27 06:44:07,299 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-27 06:44:07,299 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-27 06:44:07,301 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/../../sv-benchmarks/c/weaver/popl20-channel-sum.wvr.c
[2024-11-27 06:44:10,514 INFO  L533              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/data/30f7312e6/09737c71e4394a4f9c337a1855631148/FLAG7db66bbd2
[2024-11-27 06:44:10,823 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-27 06:44:10,824 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/sv-benchmarks/c/weaver/popl20-channel-sum.wvr.c
[2024-11-27 06:44:10,836 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/data/30f7312e6/09737c71e4394a4f9c337a1855631148/FLAG7db66bbd2
[2024-11-27 06:44:11,105 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/data/30f7312e6/09737c71e4394a4f9c337a1855631148
[2024-11-27 06:44:11,108 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-27 06:44:11,110 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-27 06:44:11,112 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-27 06:44:11,112 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-27 06:44:11,120 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-27 06:44:11,121 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 06:44:11" (1/1) ...
[2024-11-27 06:44:11,122 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a4d7421 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:44:11, skipping insertion in model container
[2024-11-27 06:44:11,124 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 06:44:11" (1/1) ...
[2024-11-27 06:44:11,148 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-27 06:44:11,418 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_3c38dcf4-1eea-4f0b-8477-a30312f8f934/sv-benchmarks/c/weaver/popl20-channel-sum.wvr.c[2423,2436]
[2024-11-27 06:44:11,437 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-27 06:44:11,459 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-27 06:44:11,502 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_3c38dcf4-1eea-4f0b-8477-a30312f8f934/sv-benchmarks/c/weaver/popl20-channel-sum.wvr.c[2423,2436]
[2024-11-27 06:44:11,509 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-27 06:44:11,537 INFO  L204         MainTranslator]: Completed translation
[2024-11-27 06:44:11,538 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:44:11 WrapperNode
[2024-11-27 06:44:11,538 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-27 06:44:11,539 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-27 06:44:11,540 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-27 06:44:11,540 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-27 06:44:11,553 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:44:11" (1/1) ...
[2024-11-27 06:44:11,567 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:44:11" (1/1) ...
[2024-11-27 06:44:11,605 INFO  L138                Inliner]: procedures = 23, calls = 21, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 129
[2024-11-27 06:44:11,609 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-27 06:44:11,610 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-27 06:44:11,611 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-27 06:44:11,611 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-27 06:44:11,620 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:44:11" (1/1) ...
[2024-11-27 06:44:11,620 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:44:11" (1/1) ...
[2024-11-27 06:44:11,625 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:44:11" (1/1) ...
[2024-11-27 06:44:11,629 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:44:11" (1/1) ...
[2024-11-27 06:44:11,646 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:44:11" (1/1) ...
[2024-11-27 06:44:11,651 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:44:11" (1/1) ...
[2024-11-27 06:44:11,659 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:44:11" (1/1) ...
[2024-11-27 06:44:11,661 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:44:11" (1/1) ...
[2024-11-27 06:44:11,662 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:44:11" (1/1) ...
[2024-11-27 06:44:11,672 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-27 06:44:11,677 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-27 06:44:11,677 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-27 06:44:11,677 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-27 06:44:11,678 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:44:11" (1/1) ...
[2024-11-27 06:44:11,692 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-11-27 06:44:11,711 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3
[2024-11-27 06:44:11,728 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2024-11-27 06:44:11,733 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2024-11-27 06:44:11,770 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-27 06:44:11,770 INFO  L130     BoogieDeclarations]: Found specification of procedure thread1
[2024-11-27 06:44:11,771 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread1
[2024-11-27 06:44:11,771 INFO  L130     BoogieDeclarations]: Found specification of procedure thread2
[2024-11-27 06:44:11,771 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread2
[2024-11-27 06:44:11,771 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1
[2024-11-27 06:44:11,771 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2024-11-27 06:44:11,772 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4
[2024-11-27 06:44:11,772 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-27 06:44:11,772 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-27 06:44:11,773 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4
[2024-11-27 06:44:11,774 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 06:44:11,922 INFO  L234             CfgBuilder]: Building ICFG
[2024-11-27 06:44:11,925 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-27 06:44:12,356 INFO  L279             CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-27 06:44:12,356 INFO  L283             CfgBuilder]: Performing block encoding
[2024-11-27 06:44:12,711 INFO  L307             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-27 06:44:12,712 INFO  L312             CfgBuilder]: Removed 3 assume(true) statements.
[2024-11-27 06:44:12,713 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 06:44:12 BoogieIcfgContainer
[2024-11-27 06:44:12,713 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-27 06:44:12,716 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-27 06:44:12,718 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-27 06:44:12,724 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-27 06:44:12,725 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 06:44:11" (1/3) ...
[2024-11-27 06:44:12,726 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27d69fc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 06:44:12, skipping insertion in model container
[2024-11-27 06:44:12,727 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:44:11" (2/3) ...
[2024-11-27 06:44:12,727 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27d69fc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 06:44:12, skipping insertion in model container
[2024-11-27 06:44:12,728 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 06:44:12" (3/3) ...
[2024-11-27 06:44:12,730 INFO  L128   eAbstractionObserver]: Analyzing ICFG popl20-channel-sum.wvr.c
[2024-11-27 06:44:12,749 INFO  L216   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-27 06:44:12,753 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-channel-sum.wvr.c that has 3 procedures, 32 locations, 1 initial locations, 3 loop locations, and 1 error locations.
[2024-11-27 06:44:12,753 INFO  L491   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-27 06:44:12,844 INFO  L143    ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2024-11-27 06:44:12,918 INFO  L125   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-27 06:44:12,919 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2024-11-27 06:44:12,919 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3
[2024-11-27 06:44:12,922 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2024-11-27 06:44:12,923 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2024-11-27 06:44:13,033 INFO  L177   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2024-11-27 06:44:13,057 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ========
[2024-11-27 06:44:13,068 INFO  L333      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6808879b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-27 06:44:13,069 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 3 error locations.
[2024-11-27 06:44:13,426 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 06:44:13,427 INFO  L305   artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-11-27 06:44:13,427 INFO  L139   ounterexampleChecker]: Examining path program with hash -1623636986, occurence #1
[2024-11-27 06:44:13,427 INFO  L141   ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping...
[2024-11-27 06:44:13,427 INFO  L316   artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-11-27 06:44:13,433 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-27 06:44:13,433 INFO  L85        PathProgramCache]: Analyzing trace with hash 1932321792, now seen corresponding path program 1 times
[2024-11-27 06:44:13,446 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-27 06:44:13,446 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [959050765]
[2024-11-27 06:44:13,446 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-27 06:44:13,447 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-27 06:44:13,447 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3
[2024-11-27 06:44:13,461 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-27 06:44:13,464 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-27 06:44:13,599 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-27 06:44:13,602 INFO  L256         TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-27 06:44:13,607 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-11-27 06:44:13,625 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 06:44:13,625 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-27 06:44:13,626 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-27 06:44:13,626 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [959050765]
[2024-11-27 06:44:13,627 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [959050765] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-27 06:44:13,627 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-27 06:44:13,627 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-27 06:44:13,629 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664759029]
[2024-11-27 06:44:13,630 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-27 06:44:13,635 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-27 06:44:13,636 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-27 06:44:13,663 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-27 06:44:13,664 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-27 06:44:13,665 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-27 06:44:13,667 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-11-27 06:44:13,670 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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 06:44:13,670 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-11-27 06:44:13,744 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-27 06:44:13,758 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-11-27 06:44:13,948 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-27 06:44:13,949 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 06:44:13,949 INFO  L305   artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-11-27 06:44:13,949 INFO  L139   ounterexampleChecker]: Examining path program with hash -183038188, occurence #1
[2024-11-27 06:44:13,949 INFO  L141   ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping...
[2024-11-27 06:44:13,949 INFO  L316   artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-11-27 06:44:13,950 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-27 06:44:13,950 INFO  L85        PathProgramCache]: Analyzing trace with hash -198407370, now seen corresponding path program 1 times
[2024-11-27 06:44:13,951 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-27 06:44:13,951 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2139103434]
[2024-11-27 06:44:13,951 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-27 06:44:13,951 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-27 06:44:13,951 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3
[2024-11-27 06:44:13,956 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-27 06:44:13,959 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-11-27 06:44:14,058 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-27 06:44:14,060 INFO  L256         TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-27 06:44:14,062 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-11-27 06:44:14,139 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 06:44:14,140 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-27 06:44:14,140 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-27 06:44:14,141 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2139103434]
[2024-11-27 06:44:14,141 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [2139103434] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-27 06:44:14,141 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-27 06:44:14,142 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-27 06:44:14,142 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598916757]
[2024-11-27 06:44:14,142 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-27 06:44:14,143 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-27 06:44:14,144 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-27 06:44:14,145 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-27 06:44:14,145 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-27 06:44:14,145 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-27 06:44:14,145 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-11-27 06:44:14,146 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 2 states have internal predecessors, (20), 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 06:44:14,146 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-11-27 06:44:14,146 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-11-27 06:44:14,302 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-27 06:44:14,302 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-27 06:44:14,314 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2024-11-27 06:44:14,503 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-27 06:44:14,503 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-11-27 06:44:14,503 INFO  L305   artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-11-27 06:44:14,504 INFO  L139   ounterexampleChecker]: Examining path program with hash -1869782060, occurence #1
[2024-11-27 06:44:14,504 INFO  L141   ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping...
[2024-11-27 06:44:14,504 INFO  L316   artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-11-27 06:44:14,504 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-27 06:44:14,504 INFO  L85        PathProgramCache]: Analyzing trace with hash -809619457, now seen corresponding path program 1 times
[2024-11-27 06:44:14,505 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-27 06:44:14,505 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [829983046]
[2024-11-27 06:44:14,505 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-27 06:44:14,505 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-27 06:44:14,505 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3
[2024-11-27 06:44:14,508 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-27 06:44:14,509 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-11-27 06:44:14,630 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-27 06:44:14,634 INFO  L256         TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 7 conjuncts are in the unsatisfiable core
[2024-11-27 06:44:14,636 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-11-27 06:44:14,764 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 06:44:14,764 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-27 06:44:14,764 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-27 06:44:14,764 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [829983046]
[2024-11-27 06:44:14,765 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [829983046] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-27 06:44:14,765 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-27 06:44:14,765 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-27 06:44:14,765 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068001254]
[2024-11-27 06:44:14,765 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-27 06:44:14,766 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-27 06:44:14,766 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-27 06:44:14,766 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-27 06:44:14,767 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-27 06:44:14,767 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-27 06:44:14,767 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-11-27 06:44:14,767 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 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 06:44:14,767 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-11-27 06:44:14,767 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-11-27 06:44:14,768 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-11-27 06:44:14,938 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-27 06:44:14,938 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-27 06:44:14,940 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-27 06:44:14,952 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0
[2024-11-27 06:44:15,141 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-27 06:44:15,141 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-11-27 06:44:15,141 INFO  L305   artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-11-27 06:44:15,142 INFO  L139   ounterexampleChecker]: Examining path program with hash -1869782060, occurence #2
[2024-11-27 06:44:15,142 INFO  L145   ounterexampleChecker]: Trying to synthesize and prove commutativity condition.
[2024-11-27 06:44:15,142 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0
[2024-11-27 06:44:15,143 INFO  L209   ounterexampleChecker]: No commutativity condition found.
[2024-11-27 06:44:15,143 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2
[2024-11-27 06:44:15,143 INFO  L209   ounterexampleChecker]: No commutativity condition found.
[2024-11-27 06:44:15,143 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4
[2024-11-27 06:44:15,143 INFO  L209   ounterexampleChecker]: No commutativity condition found.
[2024-11-27 06:44:15,143 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7
[2024-11-27 06:44:15,168 WARN  L190   ounterexampleChecker]: Statements were already independent.
[2024-11-27 06:44:15,169 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10
[2024-11-27 06:44:15,169 WARN  L190   ounterexampleChecker]: Statements were already independent.
[2024-11-27 06:44:15,169 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17
[2024-11-27 06:44:15,169 INFO  L209   ounterexampleChecker]: No commutativity condition found.
[2024-11-27 06:44:15,169 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20
[2024-11-27 06:44:15,169 WARN  L190   ounterexampleChecker]: Statements were already independent.
[2024-11-27 06:44:15,170 WARN  L214   ounterexampleChecker]: Failed to synthesize and prove commutativity condition.
[2024-11-27 06:44:15,170 INFO  L316   artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-11-27 06:44:15,170 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-27 06:44:15,171 INFO  L85        PathProgramCache]: Analyzing trace with hash -2136022340, now seen corresponding path program 1 times
[2024-11-27 06:44:15,171 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-27 06:44:15,171 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [313029060]
[2024-11-27 06:44:15,171 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-27 06:44:15,171 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-27 06:44:15,172 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3
[2024-11-27 06:44:15,174 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-27 06:44:15,179 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2024-11-27 06:44:15,277 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-27 06:44:15,283 INFO  L256         TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 10 conjuncts are in the unsatisfiable core
[2024-11-27 06:44:15,285 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-11-27 06:44:15,533 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-27 06:44:15,534 INFO  L312         TraceCheckSpWp]: Computing backward predicates...
[2024-11-27 06:44:15,924 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-27 06:44:15,925 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-27 06:44:15,925 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [313029060]
[2024-11-27 06:44:15,925 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [313029060] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-27 06:44:15,925 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-27 06:44:15,925 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10
[2024-11-27 06:44:15,925 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830491088]
[2024-11-27 06:44:15,925 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-27 06:44:15,926 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2024-11-27 06:44:15,926 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-27 06:44:15,926 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2024-11-27 06:44:15,927 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90
[2024-11-27 06:44:15,929 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-27 06:44:15,929 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-11-27 06:44:15,929 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 10 states, 10 states have (on average 3.5) internal successors, (35), 10 states have internal predecessors, (35), 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 06:44:15,929 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-11-27 06:44:15,930 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-11-27 06:44:15,930 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-11-27 06:44:15,930 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-11-27 06:44:16,655 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-27 06:44:16,655 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-27 06:44:16,655 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-27 06:44:16,656 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-11-27 06:44:16,664 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0
[2024-11-27 06:44:16,856 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-27 06:44:16,856 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-11-27 06:44:16,856 INFO  L305   artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-11-27 06:44:16,857 INFO  L139   ounterexampleChecker]: Examining path program with hash 1507394492, occurence #1
[2024-11-27 06:44:16,857 INFO  L141   ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping...
[2024-11-27 06:44:16,857 INFO  L316   artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-11-27 06:44:16,857 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-27 06:44:16,857 INFO  L85        PathProgramCache]: Analyzing trace with hash -1719372122, now seen corresponding path program 1 times
[2024-11-27 06:44:16,858 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-27 06:44:16,858 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1583338911]
[2024-11-27 06:44:16,858 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-27 06:44:16,858 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-27 06:44:16,858 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3
[2024-11-27 06:44:16,863 INFO  L229       MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-27 06:44:16,864 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2024-11-27 06:44:16,978 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-27 06:44:16,981 INFO  L256         TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 28 conjuncts are in the unsatisfiable core
[2024-11-27 06:44:16,985 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-11-27 06:44:17,254 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1
[2024-11-27 06:44:17,859 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 9 treesize of output 3
[2024-11-27 06:44:18,169 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-27 06:44:18,169 INFO  L312         TraceCheckSpWp]: Computing backward predicates...
[2024-11-27 06:44:19,980 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 63 treesize of output 57
[2024-11-27 06:44:20,034 INFO  L349             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-27 06:44:20,035 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 104 treesize of output 98
[2024-11-27 06:44:23,352 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-27 06:44:23,352 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-27 06:44:23,352 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1583338911]
[2024-11-27 06:44:23,353 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1583338911] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-27 06:44:23,353 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-27 06:44:23,353 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 25
[2024-11-27 06:44:23,353 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298518145]
[2024-11-27 06:44:23,353 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-27 06:44:23,354 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 26 states
[2024-11-27 06:44:23,354 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-27 06:44:23,355 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants.
[2024-11-27 06:44:23,356 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=503, Unknown=0, NotChecked=0, Total=650
[2024-11-27 06:44:23,356 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-27 06:44:23,356 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-11-27 06:44:23,356 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 26 states, 26 states have (on average 2.3461538461538463) internal successors, (61), 25 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)
[2024-11-27 06:44:23,357 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-11-27 06:44:23,357 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-11-27 06:44:23,357 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-11-27 06:44:23,357 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2024-11-27 06:44:23,357 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-11-27 06:44:25,900 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-27 06:44:25,901 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-27 06:44:25,901 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-27 06:44:25,901 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-11-27 06:44:25,902 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2024-11-27 06:44:25,911 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0
[2024-11-27 06:44:26,103 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-27 06:44:26,103 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-11-27 06:44:26,103 INFO  L305   artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-11-27 06:44:26,103 INFO  L139   ounterexampleChecker]: Examining path program with hash -179349380, occurence #1
[2024-11-27 06:44:26,103 INFO  L141   ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping...
[2024-11-27 06:44:26,104 INFO  L316   artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-11-27 06:44:26,104 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-27 06:44:26,104 INFO  L85        PathProgramCache]: Analyzing trace with hash -1908378702, now seen corresponding path program 2 times
[2024-11-27 06:44:26,104 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-27 06:44:26,105 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1110525768]
[2024-11-27 06:44:26,105 INFO  L95    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-27 06:44:26,105 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-27 06:44:26,105 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3
[2024-11-27 06:44:26,109 INFO  L229       MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-27 06:44:26,111 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2024-11-27 06:44:26,232 INFO  L229   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-11-27 06:44:26,232 INFO  L230   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-27 06:44:26,241 INFO  L256         TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 23 conjuncts are in the unsatisfiable core
[2024-11-27 06:44:26,243 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-11-27 06:44:26,892 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-27 06:44:26,892 INFO  L312         TraceCheckSpWp]: Computing backward predicates...
[2024-11-27 06:44:29,173 INFO  L134       CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-27 06:44:29,173 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-27 06:44:29,173 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1110525768]
[2024-11-27 06:44:29,173 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1110525768] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-27 06:44:29,173 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-27 06:44:29,173 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 13] total 22
[2024-11-27 06:44:29,174 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974351758]
[2024-11-27 06:44:29,174 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-27 06:44:29,174 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 22 states
[2024-11-27 06:44:29,174 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-27 06:44:29,175 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants.
[2024-11-27 06:44:29,175 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=320, Unknown=0, NotChecked=0, Total=462
[2024-11-27 06:44:29,175 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-27 06:44:29,175 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-11-27 06:44:29,176 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 22 states, 22 states have (on average 2.8636363636363638) internal successors, (63), 22 states have internal predecessors, (63), 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 06:44:29,176 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-11-27 06:44:29,176 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-11-27 06:44:29,176 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-11-27 06:44:29,176 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2024-11-27 06:44:29,177 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. 
[2024-11-27 06:44:29,177 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-11-27 06:44:31,156 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-27 06:44:31,157 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-27 06:44:31,157 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-27 06:44:31,157 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-11-27 06:44:31,157 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. 
[2024-11-27 06:44:31,158 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2024-11-27 06:44:31,166 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0
[2024-11-27 06:44:31,358 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-27 06:44:31,359 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-11-27 06:44:31,359 INFO  L305   artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-11-27 06:44:31,359 INFO  L139   ounterexampleChecker]: Examining path program with hash 1291926882, occurence #1
[2024-11-27 06:44:31,359 INFO  L141   ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping...
[2024-11-27 06:44:31,359 INFO  L316   artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-11-27 06:44:31,359 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-27 06:44:31,360 INFO  L85        PathProgramCache]: Analyzing trace with hash -1599142846, now seen corresponding path program 3 times
[2024-11-27 06:44:31,360 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-27 06:44:31,360 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1806473035]
[2024-11-27 06:44:31,360 INFO  L95    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-11-27 06:44:31,360 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-27 06:44:31,360 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3
[2024-11-27 06:44:31,365 INFO  L229       MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-27 06:44:31,367 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process
[2024-11-27 06:44:31,504 INFO  L229   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s)
[2024-11-27 06:44:31,504 INFO  L230   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-27 06:44:31,507 INFO  L256         TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 18 conjuncts are in the unsatisfiable core
[2024-11-27 06:44:31,509 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-11-27 06:44:31,825 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked.
[2024-11-27 06:44:31,825 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-27 06:44:31,825 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-27 06:44:31,825 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1806473035]
[2024-11-27 06:44:31,826 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1806473035] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-27 06:44:31,826 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-27 06:44:31,826 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2024-11-27 06:44:31,826 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736102103]
[2024-11-27 06:44:31,826 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-27 06:44:31,826 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-27 06:44:31,826 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-27 06:44:31,827 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-27 06:44:31,827 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42
[2024-11-27 06:44:31,827 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-27 06:44:31,827 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-11-27 06:44:31,827 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 7 states have internal predecessors, (34), 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 06:44:31,827 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-11-27 06:44:31,827 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-11-27 06:44:31,827 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-11-27 06:44:31,827 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2024-11-27 06:44:31,828 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. 
[2024-11-27 06:44:31,828 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2024-11-27 06:44:31,828 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-11-27 06:44:32,805 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-27 06:44:32,805 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-27 06:44:32,805 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-27 06:44:32,805 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-11-27 06:44:32,806 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2024-11-27 06:44:32,806 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2024-11-27 06:44:32,806 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2024-11-27 06:44:32,816 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0
[2024-11-27 06:44:33,006 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-27 06:44:33,007 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-11-27 06:44:33,007 INFO  L305   artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-11-27 06:44:33,007 INFO  L139   ounterexampleChecker]: Examining path program with hash 1507394492, occurence #2
[2024-11-27 06:44:33,007 INFO  L145   ounterexampleChecker]: Trying to synthesize and prove commutativity condition.
[2024-11-27 06:44:33,007 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0
[2024-11-27 06:44:33,007 INFO  L209   ounterexampleChecker]: No commutativity condition found.
[2024-11-27 06:44:33,007 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2
[2024-11-27 06:44:33,007 INFO  L209   ounterexampleChecker]: No commutativity condition found.
[2024-11-27 06:44:33,008 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4
[2024-11-27 06:44:33,008 INFO  L209   ounterexampleChecker]: No commutativity condition found.
[2024-11-27 06:44:33,008 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10
[2024-11-27 06:44:33,008 WARN  L190   ounterexampleChecker]: Statements were already independent.
[2024-11-27 06:44:33,008 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13
[2024-11-27 06:44:33,008 WARN  L190   ounterexampleChecker]: Statements were already independent.
[2024-11-27 06:44:33,008 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19
[2024-11-27 06:44:33,044 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-27 06:44:33,044 INFO  L85        PathProgramCache]: Analyzing trace with hash 2126019601, now seen corresponding path program 1 times
[2024-11-27 06:44:33,045 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-27 06:44:33,045 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1456181696]
[2024-11-27 06:44:33,045 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-27 06:44:33,045 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-27 06:44:33,045 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3
[2024-11-27 06:44:33,047 INFO  L229       MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-27 06:44:33,048 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process
[2024-11-27 06:44:33,157 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-27 06:44:33,160 INFO  L130   FreeRefinementEngine]: Strategy FOX found a feasible trace
[2024-11-27 06:44:33,160 INFO  L180   ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless.
[2024-11-27 06:44:33,160 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24
[2024-11-27 06:44:33,160 INFO  L209   ounterexampleChecker]: No commutativity condition found.
[2024-11-27 06:44:33,161 INFO  L162   ounterexampleChecker]: Commutativity condition check at non-minimality point 28 is hopeless, skipping.
[2024-11-27 06:44:33,161 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37
[2024-11-27 06:44:33,161 INFO  L209   ounterexampleChecker]: No commutativity condition found.
[2024-11-27 06:44:33,161 INFO  L166   ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39
[2024-11-27 06:44:33,161 WARN  L190   ounterexampleChecker]: Statements were already independent.
[2024-11-27 06:44:33,161 WARN  L214   ounterexampleChecker]: Failed to synthesize and prove commutativity condition.
[2024-11-27 06:44:33,161 INFO  L316   artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-11-27 06:44:33,161 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-27 06:44:33,162 INFO  L85        PathProgramCache]: Analyzing trace with hash -854055434, now seen corresponding path program 4 times
[2024-11-27 06:44:33,162 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-27 06:44:33,162 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1870205023]
[2024-11-27 06:44:33,162 INFO  L95    rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2024-11-27 06:44:33,162 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-27 06:44:33,162 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3
[2024-11-27 06:44:33,166 INFO  L229       MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-27 06:44:33,174 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process
[2024-11-27 06:44:33,259 INFO  L229   tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2024-11-27 06:44:33,259 INFO  L230   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-27 06:44:33,262 INFO  L256         TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-27 06:44:33,263 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-11-27 06:44:33,292 INFO  L134       CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.
[2024-11-27 06:44:33,296 INFO  L308         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-27 06:44:33,296 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-27 06:44:33,296 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1870205023]
[2024-11-27 06:44:33,296 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1870205023] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-27 06:44:33,296 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-27 06:44:33,296 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-27 06:44:33,296 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348743982]
[2024-11-27 06:44:33,297 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-27 06:44:33,297 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-27 06:44:33,297 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-27 06:44:33,297 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-27 06:44:33,299 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-27 06:44:33,299 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-27 06:44:33,299 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-11-27 06:44:33,299 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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 06:44:33,299 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-11-27 06:44:33,299 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-11-27 06:44:33,300 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-11-27 06:44:33,300 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2024-11-27 06:44:33,300 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2024-11-27 06:44:33,300 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. 
[2024-11-27 06:44:33,300 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2024-11-27 06:44:33,300 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-11-27 06:44:33,682 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-27 06:44:33,683 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-27 06:44:33,683 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-27 06:44:33,683 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-11-27 06:44:33,683 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2024-11-27 06:44:33,683 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2024-11-27 06:44:33,683 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2024-11-27 06:44:33,683 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-27 06:44:33,694 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0
[2024-11-27 06:44:33,891 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0
[2024-11-27 06:44:34,084 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-27 06:44:34,084 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-11-27 06:44:34,084 INFO  L305   artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-11-27 06:44:34,085 INFO  L139   ounterexampleChecker]: Examining path program with hash -44541943, occurence #1
[2024-11-27 06:44:34,085 INFO  L141   ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping...
[2024-11-27 06:44:34,085 INFO  L316   artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-11-27 06:44:34,085 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-27 06:44:34,085 INFO  L85        PathProgramCache]: Analyzing trace with hash -48575755, now seen corresponding path program 1 times
[2024-11-27 06:44:34,085 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-27 06:44:34,085 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1317639079]
[2024-11-27 06:44:34,086 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-27 06:44:34,086 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-27 06:44:34,086 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3
[2024-11-27 06:44:34,088 INFO  L229       MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-27 06:44:34,089 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c38dcf4-1eea-4f0b-8477-a30312f8f934/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process
[2024-11-27 06:44:34,182 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-27 06:44:34,185 INFO  L256         TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 42 conjuncts are in the unsatisfiable core
[2024-11-27 06:44:34,188 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-11-27 06:44:34,403 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1
[2024-11-27 06:44:35,942 INFO  L349             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-27 06:44:35,942 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 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 23 treesize of output 9
[2024-11-27 06:44:36,326 INFO  L134       CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-27 06:44:36,326 INFO  L312         TraceCheckSpWp]: Computing backward predicates...
[2024-11-27 06:45:09,020 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 119 treesize of output 107
[2024-11-27 06:45:09,259 INFO  L349             Elim1Store]: treesize reduction 44, result has 17.0 percent of original size
[2024-11-27 06:45:09,259 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 299 treesize of output 242
[2024-11-27 06:45:13,231 INFO  L134       CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 15 refuted. 1 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-27 06:45:13,231 INFO  L136   FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-27 06:45:13,232 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1317639079]
[2024-11-27 06:45:13,232 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1317639079] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-27 06:45:13,232 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-27 06:45:13,232 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 19] total 39
[2024-11-27 06:45:13,232 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35511211]
[2024-11-27 06:45:13,232 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-27 06:45:13,233 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 40 states
[2024-11-27 06:45:13,233 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-27 06:45:13,234 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants.
[2024-11-27 06:45:13,235 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=383, Invalid=1168, Unknown=9, NotChecked=0, Total=1560
[2024-11-27 06:45:13,235 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-27 06:45:13,235 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-11-27 06:45:13,235 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 40 states, 40 states have (on average 2.075) internal successors, (83), 39 states have internal predecessors, (83), 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 06:45:13,236 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-11-27 06:45:13,236 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-11-27 06:45:13,236 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-11-27 06:45:13,236 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2024-11-27 06:45:13,236 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2024-11-27 06:45:13,236 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. 
[2024-11-27 06:45:13,236 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2024-11-27 06:45:13,236 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-11-27 06:45:13,236 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-11-27 06:45:15,595 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-27 06:45:17,602 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-27 06:45:19,686 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-27 06:45:21,761 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-27 06:45:58,654 WARN  L286               SmtUtils]: Spent 30.71s on a formula simplification. DAG size of input: 81 DAG size of output: 76 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2024-11-27 06:46:00,663 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-27 06:46:02,668 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-27 06:46:11,999 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-27 06:47:09,507 WARN  L286               SmtUtils]: Spent 48.73s on a formula simplification. DAG size of input: 99 DAG size of output: 98 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2024-11-27 06:48:02,802 WARN  L286               SmtUtils]: Spent 48.85s on a formula simplification. DAG size of input: 108 DAG size of output: 107 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2024-11-27 06:48:04,886 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-27 06:48:06,906 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-27 06:48:08,960 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-27 06:48:15,187 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-27 06:48:17,192 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-27 06:48:19,203 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-27 06:48:21,214 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-27 06:48:23,221 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-27 06:48:25,226 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-27 06:48:27,249 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-27 06:48:29,256 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-27 06:48:31,272 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-27 06:48:33,279 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-27 06:48:35,305 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-27 06:48:37,312 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-27 06:48:39,338 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-27 06:48:41,345 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-27 06:48:43,367 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-27 06:48:45,374 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-27 06:48:47,379 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-27 06:48:49,384 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-27 06:49:23,966 WARN  L286               SmtUtils]: Spent 26.37s on a formula simplification. DAG size of input: 74 DAG size of output: 73 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2024-11-27 06:49:25,971 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-27 06:49:56,375 WARN  L286               SmtUtils]: Spent 24.19s on a formula simplification. DAG size of input: 61 DAG size of output: 60 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2024-11-27 06:49:58,381 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-27 06:50:00,388 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-27 06:50:02,454 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-27 06:50:04,459 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-27 06:50:06,466 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-27 06:50:08,471 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-27 06:50:10,478 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-27 06:50:12,483 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-27 06:50:14,489 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-27 06:50:16,494 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-27 06:50:18,498 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-27 06:50:20,502 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-27 06:50:22,507 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-27 06:50:24,511 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-27 06:50:26,516 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-27 06:50:28,521 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-27 06:50:30,529 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-27 06:50:32,532 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-27 06:50:34,539 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-27 06:50:36,543 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-27 06:51:09,114 WARN  L286               SmtUtils]: Spent 24.36s on a formula simplification. DAG size of input: 72 DAG size of output: 71 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)
[2024-11-27 06:51:11,117 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []