./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/popl20-simple-queue.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_2ac3f8e8-be12-4e3c-ab24-9c61ab2b756c/bin/ugemcutter-verify-L2ppAeDwQX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac3f8e8-be12-4e3c-ab24-9c61ab2b756c/bin/ugemcutter-verify-L2ppAeDwQX/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac3f8e8-be12-4e3c-ab24-9c61ab2b756c/bin/ugemcutter-verify-L2ppAeDwQX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac3f8e8-be12-4e3c-ab24-9c61ab2b756c/bin/ugemcutter-verify-L2ppAeDwQX/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac3f8e8-be12-4e3c-ab24-9c61ab2b756c/bin/ugemcutter-verify-L2ppAeDwQX/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac3f8e8-be12-4e3c-ab24-9c61ab2b756c/bin/ugemcutter-verify-L2ppAeDwQX --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 608e0c2870f111f9f6921442a1f1a544ee956a8de04c7629c0edf3e54cde4da3
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-05 08:22:43,959 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-05 08:22:44,014 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac3f8e8-be12-4e3c-ab24-9c61ab2b756c/bin/ugemcutter-verify-L2ppAeDwQX/config/svcomp-Reach-32bit-GemCutter_Default.epf
[2024-12-05 08:22:44,018 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-05 08:22:44,019 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-05 08:22:44,037 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-05 08:22:44,038 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-05 08:22:44,038 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-05 08:22:44,038 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-05 08:22:44,038 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-05 08:22:44,039 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-05 08:22:44,039 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-05 08:22:44,039 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-05 08:22:44,039 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-05 08:22:44,039 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-05 08:22:44,039 INFO L153 SettingsManager]: * sizeof long=4
[2024-12-05 08:22:44,040 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-05 08:22:44,040 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-12-05 08:22:44,040 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-05 08:22:44,040 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-05 08:22:44,040 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-05 08:22:44,040 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-05 08:22:44,040 INFO L153 SettingsManager]: * sizeof long double=12
[2024-12-05 08:22:44,040 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-05 08:22:44,040 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-05 08:22:44,040 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-05 08:22:44,041 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-05 08:22:44,041 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-05 08:22:44,041 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-05 08:22:44,041 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-05 08:22:44,041 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-12-05 08:22:44,041 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-05 08:22:44,041 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-05 08:22:44,041 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-05 08:22:44,041 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT
[2024-12-05 08:22:44,042 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-05 08:22:44,042 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-12-05 08:22:44,042 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP
[2024-12-05 08:22:44,042 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-05 08:22:44,042 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-05 08:22:44,042 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2024-12-05 08:22:44,042 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2024-12-05 08:22:44,042 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2024-12-05 08:22:44,042 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_2ac3f8e8-be12-4e3c-ab24-9c61ab2b756c/bin/ugemcutter-verify-L2ppAeDwQX
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 -> 608e0c2870f111f9f6921442a1f1a544ee956a8de04c7629c0edf3e54cde4da3
[2024-12-05 08:22:44,254 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-05 08:22:44,261 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-05 08:22:44,263 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-05 08:22:44,264 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-05 08:22:44,264 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-05 08:22:44,266 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac3f8e8-be12-4e3c-ab24-9c61ab2b756c/bin/ugemcutter-verify-L2ppAeDwQX/../../sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c
[2024-12-05 08:22:46,860 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac3f8e8-be12-4e3c-ab24-9c61ab2b756c/bin/ugemcutter-verify-L2ppAeDwQX/data/a1b85438b/71e00f47e787485bb01773ac0f0c8449/FLAG5c9f02309
[2024-12-05 08:22:47,089 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-05 08:22:47,089 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac3f8e8-be12-4e3c-ab24-9c61ab2b756c/sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c
[2024-12-05 08:22:47,096 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac3f8e8-be12-4e3c-ab24-9c61ab2b756c/bin/ugemcutter-verify-L2ppAeDwQX/data/a1b85438b/71e00f47e787485bb01773ac0f0c8449/FLAG5c9f02309
[2024-12-05 08:22:47,449 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac3f8e8-be12-4e3c-ab24-9c61ab2b756c/bin/ugemcutter-verify-L2ppAeDwQX/data/a1b85438b/71e00f47e787485bb01773ac0f0c8449
[2024-12-05 08:22:47,451 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-05 08:22:47,452 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-05 08:22:47,452 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-05 08:22:47,452 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-05 08:22:47,455 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-05 08:22:47,456 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 08:22:47" (1/1) ...
[2024-12-05 08:22:47,456 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c034553 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:22:47, skipping insertion in model container
[2024-12-05 08:22:47,457 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 08:22:47" (1/1) ...
[2024-12-05 08:22:47,469 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-05 08:22:47,588 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_2ac3f8e8-be12-4e3c-ab24-9c61ab2b756c/sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c[2464,2477]
[2024-12-05 08:22:47,597 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-05 08:22:47,605 INFO L200 MainTranslator]: Completed pre-run
[2024-12-05 08:22:47,621 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_2ac3f8e8-be12-4e3c-ab24-9c61ab2b756c/sv-benchmarks/c/weaver/popl20-simple-queue.wvr.c[2464,2477]
[2024-12-05 08:22:47,624 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-05 08:22:47,634 INFO L204 MainTranslator]: Completed translation
[2024-12-05 08:22:47,634 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:22:47 WrapperNode
[2024-12-05 08:22:47,635 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-05 08:22:47,635 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-05 08:22:47,636 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-05 08:22:47,636 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-05 08:22:47,640 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:22:47" (1/1) ...
[2024-12-05 08:22:47,645 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:22:47" (1/1) ...
[2024-12-05 08:22:47,661 INFO L138 Inliner]: procedures = 23, calls = 23, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 122
[2024-12-05 08:22:47,661 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-05 08:22:47,662 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-05 08:22:47,662 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-05 08:22:47,662 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-05 08:22:47,666 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:22:47" (1/1) ...
[2024-12-05 08:22:47,667 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:22:47" (1/1) ...
[2024-12-05 08:22:47,668 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:22:47" (1/1) ...
[2024-12-05 08:22:47,668 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:22:47" (1/1) ...
[2024-12-05 08:22:47,672 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:22:47" (1/1) ...
[2024-12-05 08:22:47,672 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:22:47" (1/1) ...
[2024-12-05 08:22:47,675 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:22:47" (1/1) ...
[2024-12-05 08:22:47,676 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:22:47" (1/1) ...
[2024-12-05 08:22:47,677 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:22:47" (1/1) ...
[2024-12-05 08:22:47,678 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-05 08:22:47,679 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-05 08:22:47,679 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-05 08:22:47,679 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-05 08:22:47,680 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:22:47" (1/1) ...
[2024-12-05 08:22:47,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-12-05 08:22:47,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac3f8e8-be12-4e3c-ab24-9c61ab2b756c/bin/ugemcutter-verify-L2ppAeDwQX/z3
[2024-12-05 08:22:47,702 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac3f8e8-be12-4e3c-ab24-9c61ab2b756c/bin/ugemcutter-verify-L2ppAeDwQX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2024-12-05 08:22:47,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac3f8e8-be12-4e3c-ab24-9c61ab2b756c/bin/ugemcutter-verify-L2ppAeDwQX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2024-12-05 08:22:47,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-05 08:22:47,723 INFO L130 BoogieDeclarations]: Found specification of procedure thread1
[2024-12-05 08:22:47,724 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1
[2024-12-05 08:22:47,724 INFO L130 BoogieDeclarations]: Found specification of procedure thread2
[2024-12-05 08:22:47,724 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2
[2024-12-05 08:22:47,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2024-12-05 08:22:47,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2024-12-05 08:22:47,724 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2024-12-05 08:22:47,724 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2024-12-05 08:22:47,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2024-12-05 08:22:47,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-05 08:22:47,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-05 08:22:47,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2024-12-05 08:22:47,726 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-12-05 08:22:47,794 INFO L234 CfgBuilder]: Building ICFG
[2024-12-05 08:22:47,795 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-05 08:22:47,973 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-12-05 08:22:47,973 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-05 08:22:48,126 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-05 08:22:48,126 INFO L312 CfgBuilder]: Removed 3 assume(true) statements.
[2024-12-05 08:22:48,127 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 08:22:48 BoogieIcfgContainer
[2024-12-05 08:22:48,127 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-05 08:22:48,129 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-05 08:22:48,129 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-05 08:22:48,133 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-05 08:22:48,133 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.12 08:22:47" (1/3) ...
[2024-12-05 08:22:48,134 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f62b7e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 08:22:48, skipping insertion in model container
[2024-12-05 08:22:48,134 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:22:47" (2/3) ...
[2024-12-05 08:22:48,134 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f62b7e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 08:22:48, skipping insertion in model container
[2024-12-05 08:22:48,134 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 08:22:48" (3/3) ...
[2024-12-05 08:22:48,135 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-simple-queue.wvr.c
[2024-12-05 08:22:48,149 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-05 08:22:48,150 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-simple-queue.wvr.c that has 3 procedures, 24 locations, 1 initial locations, 3 loop locations, and 1 error locations.
[2024-12-05 08:22:48,150 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-12-05 08:22:48,190 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2024-12-05 08:22:48,238 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-05 08:22:48,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2024-12-05 08:22:48,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac3f8e8-be12-4e3c-ab24-9c61ab2b756c/bin/ugemcutter-verify-L2ppAeDwQX/z3
[2024-12-05 08:22:48,241 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac3f8e8-be12-4e3c-ab24-9c61ab2b756c/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2024-12-05 08:22:48,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac3f8e8-be12-4e3c-ab24-9c61ab2b756c/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2024-12-05 08:22:48,300 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2024-12-05 08:22:48,314 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ========
[2024-12-05 08:22:48,320 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;@11ac4ce8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-05 08:22:48,320 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations.
[2024-12-05 08:22:48,459 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-12-05 08:22:48,459 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-12-05 08:22:48,459 INFO L139 ounterexampleChecker]: Examining path program with hash -1643590892, occurence #1
[2024-12-05 08:22:48,460 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping...
[2024-12-05 08:22:48,460 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-12-05 08:22:48,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-05 08:22:48,464 INFO L85 PathProgramCache]: Analyzing trace with hash 844087437, now seen corresponding path program 1 times
[2024-12-05 08:22:48,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-05 08:22:48,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909276549]
[2024-12-05 08:22:48,473 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-05 08:22:48,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-05 08:22:48,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-05 08:22:48,609 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-05 08:22:48,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-05 08:22:48,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909276549]
[2024-12-05 08:22:48,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909276549] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-05 08:22:48,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-05 08:22:48,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-05 08:22:48,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574162457]
[2024-12-05 08:22:48,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-05 08:22:48,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-12-05 08:22:48,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-05 08:22:48,631 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-12-05 08:22:48,632 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-12-05 08:22:48,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-12-05 08:22:48,633 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-12-05 08:22:48,634 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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)
[2024-12-05 08:22:48,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-12-05 08:22:48,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-12-05 08:22:48,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-05 08:22:48,763 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-12-05 08:22:48,763 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-12-05 08:22:48,763 INFO L139 ounterexampleChecker]: Examining path program with hash 1345492615, occurence #1
[2024-12-05 08:22:48,763 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping...
[2024-12-05 08:22:48,763 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-12-05 08:22:48,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-05 08:22:48,764 INFO L85 PathProgramCache]: Analyzing trace with hash -1237628002, now seen corresponding path program 1 times
[2024-12-05 08:22:48,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-05 08:22:48,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012052684]
[2024-12-05 08:22:48,764 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-05 08:22:48,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-05 08:22:48,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-05 08:22:48,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-05 08:22:48,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-05 08:22:48,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012052684]
[2024-12-05 08:22:48,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012052684] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-05 08:22:48,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-05 08:22:48,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-05 08:22:48,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412413266]
[2024-12-05 08:22:48,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-05 08:22:48,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-05 08:22:48,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-05 08:22:48,876 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-05 08:22:48,876 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-05 08:22:48,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-12-05 08:22:48,877 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-12-05 08:22:48,877 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)
[2024-12-05 08:22:48,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-12-05 08:22:48,877 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-12-05 08:22:48,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-12-05 08:22:48,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-05 08:22:48,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-05 08:22:48,937 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-12-05 08:22:48,937 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-12-05 08:22:48,937 INFO L139 ounterexampleChecker]: Examining path program with hash 1172592213, occurence #1
[2024-12-05 08:22:48,937 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping...
[2024-12-05 08:22:48,937 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-12-05 08:22:48,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-05 08:22:48,937 INFO L85 PathProgramCache]: Analyzing trace with hash -2073683241, now seen corresponding path program 1 times
[2024-12-05 08:22:48,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-05 08:22:48,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036978347]
[2024-12-05 08:22:48,938 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-05 08:22:48,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-05 08:22:48,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-05 08:22:49,099 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-12-05 08:22:49,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-05 08:22:49,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036978347]
[2024-12-05 08:22:49,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036978347] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-05 08:22:49,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-05 08:22:49,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-05 08:22:49,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791484401]
[2024-12-05 08:22:49,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-05 08:22:49,100 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-05 08:22:49,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-05 08:22:49,101 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-05 08:22:49,101 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-05 08:22:49,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-12-05 08:22:49,101 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-12-05 08:22:49,101 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 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)
[2024-12-05 08:22:49,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-12-05 08:22:49,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-12-05 08:22:49,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-12-05 08:22:49,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-12-05 08:22:49,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-05 08:22:49,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-05 08:22:49,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-12-05 08:22:49,174 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-12-05 08:22:49,174 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-12-05 08:22:49,174 INFO L139 ounterexampleChecker]: Examining path program with hash 1172592213, occurence #2
[2024-12-05 08:22:49,174 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition.
[2024-12-05 08:22:49,174 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0
[2024-12-05 08:22:49,175 INFO L209 ounterexampleChecker]: No commutativity condition found.
[2024-12-05 08:22:49,175 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3
[2024-12-05 08:22:49,192 WARN L190 ounterexampleChecker]: Statements were already independent.
[2024-12-05 08:22:49,192 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6
[2024-12-05 08:22:49,192 WARN L190 ounterexampleChecker]: Statements were already independent.
[2024-12-05 08:22:49,192 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19
[2024-12-05 08:22:49,192 INFO L209 ounterexampleChecker]: No commutativity condition found.
[2024-12-05 08:22:49,192 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22
[2024-12-05 08:22:49,192 INFO L209 ounterexampleChecker]: No commutativity condition found.
[2024-12-05 08:22:49,193 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24
[2024-12-05 08:22:49,193 WARN L190 ounterexampleChecker]: Statements were already independent.
[2024-12-05 08:22:49,193 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26
[2024-12-05 08:22:49,193 INFO L209 ounterexampleChecker]: No commutativity condition found.
[2024-12-05 08:22:49,193 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition.
[2024-12-05 08:22:49,193 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-12-05 08:22:49,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-05 08:22:49,193 INFO L85 PathProgramCache]: Analyzing trace with hash 2142344510, now seen corresponding path program 1 times
[2024-12-05 08:22:49,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-05 08:22:49,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714324394]
[2024-12-05 08:22:49,194 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-05 08:22:49,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-05 08:22:49,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-05 08:22:49,354 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-05 08:22:49,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-05 08:22:49,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714324394]
[2024-12-05 08:22:49,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [714324394] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-05 08:22:49,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1624018976]
[2024-12-05 08:22:49,355 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-05 08:22:49,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-05 08:22:49,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac3f8e8-be12-4e3c-ab24-9c61ab2b756c/bin/ugemcutter-verify-L2ppAeDwQX/z3
[2024-12-05 08:22:49,357 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac3f8e8-be12-4e3c-ab24-9c61ab2b756c/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-05 08:22:49,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac3f8e8-be12-4e3c-ab24-9c61ab2b756c/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-12-05 08:22:49,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-05 08:22:49,435 INFO L256 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 8 conjuncts are in the unsatisfiable core
[2024-12-05 08:22:49,438 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-05 08:22:49,539 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-05 08:22:49,540 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-05 08:22:49,656 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-05 08:22:49,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1624018976] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-05 08:22:49,656 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-05 08:22:49,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11
[2024-12-05 08:22:49,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87245969]
[2024-12-05 08:22:49,656 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-05 08:22:49,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2024-12-05 08:22:49,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-05 08:22:49,657 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2024-12-05 08:22:49,657 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132
[2024-12-05 08:22:49,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-12-05 08:22:49,658 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-12-05 08:22:49,658 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.0) internal successors, (48), 11 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-05 08:22:49,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-12-05 08:22:49,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-12-05 08:22:49,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2024-12-05 08:22:49,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-12-05 08:22:49,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-12-05 08:22:49,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-05 08:22:49,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-05 08:22:49,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-12-05 08:22:49,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac3f8e8-be12-4e3c-ab24-9c61ab2b756c/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-12-05 08:22:49,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac3f8e8-be12-4e3c-ab24-9c61ab2b756c/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-05 08:22:49,946 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-12-05 08:22:49,946 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-12-05 08:22:49,946 INFO L139 ounterexampleChecker]: Examining path program with hash 1172592213, occurence #3
[2024-12-05 08:22:49,946 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition.
[2024-12-05 08:22:49,946 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0
[2024-12-05 08:22:49,947 INFO L209 ounterexampleChecker]: No commutativity condition found.
[2024-12-05 08:22:49,947 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4
[2024-12-05 08:22:49,947 WARN L190 ounterexampleChecker]: Statements were already independent.
[2024-12-05 08:22:49,947 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7
[2024-12-05 08:22:49,947 WARN L190 ounterexampleChecker]: Statements were already independent.
[2024-12-05 08:22:49,947 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20
[2024-12-05 08:22:49,947 INFO L209 ounterexampleChecker]: No commutativity condition found.
[2024-12-05 08:22:49,947 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23
[2024-12-05 08:22:49,947 INFO L209 ounterexampleChecker]: No commutativity condition found.
[2024-12-05 08:22:49,947 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25
[2024-12-05 08:22:49,947 WARN L190 ounterexampleChecker]: Statements were already independent.
[2024-12-05 08:22:49,947 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27
[2024-12-05 08:22:49,947 INFO L209 ounterexampleChecker]: No commutativity condition found.
[2024-12-05 08:22:49,947 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition.
[2024-12-05 08:22:49,948 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-12-05 08:22:49,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-05 08:22:49,948 INFO L85 PathProgramCache]: Analyzing trace with hash -304781385, now seen corresponding path program 2 times
[2024-12-05 08:22:49,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-05 08:22:49,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829674299]
[2024-12-05 08:22:49,948 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-05 08:22:49,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-05 08:22:49,979 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-12-05 08:22:49,980 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-05 08:22:50,397 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-05 08:22:50,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-05 08:22:50,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829674299]
[2024-12-05 08:22:50,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829674299] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-05 08:22:50,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1603621206]
[2024-12-05 08:22:50,397 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-05 08:22:50,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-05 08:22:50,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac3f8e8-be12-4e3c-ab24-9c61ab2b756c/bin/ugemcutter-verify-L2ppAeDwQX/z3
[2024-12-05 08:22:50,399 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac3f8e8-be12-4e3c-ab24-9c61ab2b756c/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-05 08:22:50,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac3f8e8-be12-4e3c-ab24-9c61ab2b756c/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-12-05 08:22:50,475 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-12-05 08:22:50,475 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-05 08:22:50,476 INFO L256 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 27 conjuncts are in the unsatisfiable core
[2024-12-05 08:22:50,478 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-05 08:22:50,528 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
[2024-12-05 08:22:50,559 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
[2024-12-05 08:22:50,722 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 11 treesize of output 3
[2024-12-05 08:22:50,779 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-05 08:22:50,779 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-05 08:22:51,263 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 52 treesize of output 48
[2024-12-05 08:22:51,283 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size
[2024-12-05 08:22:51,283 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 220 treesize of output 199
[2024-12-05 08:22:51,460 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-05 08:22:51,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1603621206] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-05 08:22:51,461 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-05 08:22:51,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 20
[2024-12-05 08:22:51,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706383741]
[2024-12-05 08:22:51,461 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-05 08:22:51,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states
[2024-12-05 08:22:51,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-05 08:22:51,462 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants.
[2024-12-05 08:22:51,463 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=339, Unknown=0, NotChecked=0, Total=420
[2024-12-05 08:22:51,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-12-05 08:22:51,463 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-12-05 08:22:51,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 3.1904761904761907) internal successors, (67), 20 states have internal predecessors, (67), 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)
[2024-12-05 08:22:51,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-12-05 08:22:51,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-12-05 08:22:51,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2024-12-05 08:22:51,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states.
[2024-12-05 08:22:51,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-12-05 08:22:52,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-12-05 08:22:52,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-05 08:22:52,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-05 08:22:52,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-12-05 08:22:52,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2024-12-05 08:22:52,080 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac3f8e8-be12-4e3c-ab24-9c61ab2b756c/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2024-12-05 08:22:52,275 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac3f8e8-be12-4e3c-ab24-9c61ab2b756c/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-05 08:22:52,275 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-12-05 08:22:52,275 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-12-05 08:22:52,275 INFO L139 ounterexampleChecker]: Examining path program with hash 1172592213, occurence #4
[2024-12-05 08:22:52,275 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition.
[2024-12-05 08:22:52,275 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0
[2024-12-05 08:22:52,275 INFO L209 ounterexampleChecker]: No commutativity condition found.
[2024-12-05 08:22:52,276 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8
[2024-12-05 08:22:52,276 WARN L190 ounterexampleChecker]: Statements were already independent.
[2024-12-05 08:22:52,276 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11
[2024-12-05 08:22:52,276 WARN L190 ounterexampleChecker]: Statements were already independent.
[2024-12-05 08:22:52,276 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24
[2024-12-05 08:22:52,276 INFO L209 ounterexampleChecker]: No commutativity condition found.
[2024-12-05 08:22:52,276 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27
[2024-12-05 08:22:52,276 INFO L209 ounterexampleChecker]: No commutativity condition found.
[2024-12-05 08:22:52,276 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29
[2024-12-05 08:22:52,276 WARN L190 ounterexampleChecker]: Statements were already independent.
[2024-12-05 08:22:52,276 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31
[2024-12-05 08:22:52,276 INFO L209 ounterexampleChecker]: No commutativity condition found.
[2024-12-05 08:22:52,276 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition.
[2024-12-05 08:22:52,276 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-12-05 08:22:52,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-05 08:22:52,277 INFO L85 PathProgramCache]: Analyzing trace with hash 232970615, now seen corresponding path program 3 times
[2024-12-05 08:22:52,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-05 08:22:52,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189691293]
[2024-12-05 08:22:52,277 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-12-05 08:22:52,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-05 08:22:52,322 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s)
[2024-12-05 08:22:52,323 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-05 08:22:52,431 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked.
[2024-12-05 08:22:52,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-05 08:22:52,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189691293]
[2024-12-05 08:22:52,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189691293] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-05 08:22:52,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1259437686]
[2024-12-05 08:22:52,432 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-12-05 08:22:52,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-05 08:22:52,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac3f8e8-be12-4e3c-ab24-9c61ab2b756c/bin/ugemcutter-verify-L2ppAeDwQX/z3
[2024-12-05 08:22:52,434 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac3f8e8-be12-4e3c-ab24-9c61ab2b756c/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-05 08:22:52,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac3f8e8-be12-4e3c-ab24-9c61ab2b756c/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-12-05 08:22:52,511 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s)
[2024-12-05 08:22:52,511 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-05 08:22:52,512 INFO L256 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-12-05 08:22:52,513 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-05 08:22:52,559 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked.
[2024-12-05 08:22:52,560 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-05 08:22:52,590 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size
[2024-12-05 08:22:52,590 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 24 treesize of output 11
[2024-12-05 08:22:52,613 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked.
[2024-12-05 08:22:52,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1259437686] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-05 08:22:52,614 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-05 08:22:52,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4
[2024-12-05 08:22:52,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692995071]
[2024-12-05 08:22:52,614 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-05 08:22:52,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-05 08:22:52,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-05 08:22:52,615 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-05 08:22:52,615 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-05 08:22:52,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-12-05 08:22:52,615 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-12-05 08:22:52,615 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 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)
[2024-12-05 08:22:52,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-12-05 08:22:52,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-12-05 08:22:52,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2024-12-05 08:22:52,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states.
[2024-12-05 08:22:52,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states.
[2024-12-05 08:22:52,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-12-05 08:22:52,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-12-05 08:22:52,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-05 08:22:52,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-05 08:22:52,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-12-05 08:22:52,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2024-12-05 08:22:52,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-05 08:22:52,704 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac3f8e8-be12-4e3c-ab24-9c61ab2b756c/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0
[2024-12-05 08:22:52,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac3f8e8-be12-4e3c-ab24-9c61ab2b756c/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-05 08:22:52,896 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-12-05 08:22:52,896 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-12-05 08:22:52,897 INFO L139 ounterexampleChecker]: Examining path program with hash 1172592213, occurence #5
[2024-12-05 08:22:52,897 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition.
[2024-12-05 08:22:52,897 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0
[2024-12-05 08:22:52,897 INFO L209 ounterexampleChecker]: No commutativity condition found.
[2024-12-05 08:22:52,897 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8
[2024-12-05 08:22:52,897 WARN L190 ounterexampleChecker]: Statements were already independent.
[2024-12-05 08:22:52,897 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11
[2024-12-05 08:22:52,897 WARN L190 ounterexampleChecker]: Statements were already independent.
[2024-12-05 08:22:52,897 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30
[2024-12-05 08:22:52,897 INFO L209 ounterexampleChecker]: No commutativity condition found.
[2024-12-05 08:22:52,897 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33
[2024-12-05 08:22:52,897 INFO L209 ounterexampleChecker]: No commutativity condition found.
[2024-12-05 08:22:52,897 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35
[2024-12-05 08:22:52,897 WARN L190 ounterexampleChecker]: Statements were already independent.
[2024-12-05 08:22:52,897 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37
[2024-12-05 08:22:52,898 INFO L209 ounterexampleChecker]: No commutativity condition found.
[2024-12-05 08:22:52,898 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition.
[2024-12-05 08:22:52,898 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-12-05 08:22:52,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-05 08:22:52,898 INFO L85 PathProgramCache]: Analyzing trace with hash -392683024, now seen corresponding path program 4 times
[2024-12-05 08:22:52,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-05 08:22:52,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099066660]
[2024-12-05 08:22:52,898 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2024-12-05 08:22:52,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-05 08:22:52,926 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2024-12-05 08:22:52,926 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-05 08:22:53,050 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked.
[2024-12-05 08:22:53,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-05 08:22:53,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099066660]
[2024-12-05 08:22:53,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099066660] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-05 08:22:53,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1149612672]
[2024-12-05 08:22:53,050 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2024-12-05 08:22:53,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-05 08:22:53,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac3f8e8-be12-4e3c-ab24-9c61ab2b756c/bin/ugemcutter-verify-L2ppAeDwQX/z3
[2024-12-05 08:22:53,052 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac3f8e8-be12-4e3c-ab24-9c61ab2b756c/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-05 08:22:53,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac3f8e8-be12-4e3c-ab24-9c61ab2b756c/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2024-12-05 08:22:53,133 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2024-12-05 08:22:53,133 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-05 08:22:53,134 INFO L256 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 26 conjuncts are in the unsatisfiable core
[2024-12-05 08:22:53,136 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-05 08:22:53,252 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-12-05 08:22:53,252 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-05 08:22:53,284 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size
[2024-12-05 08:22:53,285 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 24 treesize of output 11
[2024-12-05 08:22:53,316 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.
[2024-12-05 08:22:53,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1149612672] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-05 08:22:53,316 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-05 08:22:53,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 10, 5] total 12
[2024-12-05 08:22:53,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198099091]
[2024-12-05 08:22:53,316 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-05 08:22:53,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2024-12-05 08:22:53,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-05 08:22:53,317 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2024-12-05 08:22:53,318 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156
[2024-12-05 08:22:53,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-12-05 08:22:53,318 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-12-05 08:22:53,318 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.0) internal successors, (52), 12 states have internal predecessors, (52), 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)
[2024-12-05 08:22:53,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-12-05 08:22:53,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-12-05 08:22:53,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2024-12-05 08:22:53,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states.
[2024-12-05 08:22:53,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states.
[2024-12-05 08:22:53,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2024-12-05 08:22:53,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-12-05 08:22:53,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-12-05 08:22:53,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-05 08:22:53,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-05 08:22:53,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-12-05 08:22:53,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2024-12-05 08:22:53,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-05 08:22:53,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2024-12-05 08:22:53,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac3f8e8-be12-4e3c-ab24-9c61ab2b756c/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0
[2024-12-05 08:22:53,798 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac3f8e8-be12-4e3c-ab24-9c61ab2b756c/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-05 08:22:53,798 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-12-05 08:22:53,799 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-12-05 08:22:53,799 INFO L139 ounterexampleChecker]: Examining path program with hash 624593348, occurence #1
[2024-12-05 08:22:53,799 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping...
[2024-12-05 08:22:53,799 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-12-05 08:22:53,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-05 08:22:53,799 INFO L85 PathProgramCache]: Analyzing trace with hash 1848218274, now seen corresponding path program 5 times
[2024-12-05 08:22:53,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-05 08:22:53,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968743972]
[2024-12-05 08:22:53,799 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2024-12-05 08:22:53,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-05 08:22:53,831 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s)
[2024-12-05 08:22:53,832 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-05 08:22:54,202 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 40 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-05 08:22:54,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-05 08:22:54,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968743972]
[2024-12-05 08:22:54,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968743972] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-05 08:22:54,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2108871686]
[2024-12-05 08:22:54,203 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2024-12-05 08:22:54,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-05 08:22:54,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac3f8e8-be12-4e3c-ab24-9c61ab2b756c/bin/ugemcutter-verify-L2ppAeDwQX/z3
[2024-12-05 08:22:54,204 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac3f8e8-be12-4e3c-ab24-9c61ab2b756c/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-05 08:22:54,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac3f8e8-be12-4e3c-ab24-9c61ab2b756c/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2024-12-05 08:22:54,344 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s)
[2024-12-05 08:22:54,344 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-05 08:22:54,346 INFO L256 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 19 conjuncts are in the unsatisfiable core
[2024-12-05 08:22:54,348 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-05 08:22:54,797 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 40 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-05 08:22:54,797 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-05 08:22:55,327 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 43 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-05 08:22:55,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2108871686] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-05 08:22:55,327 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-05 08:22:55,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 16, 16] total 45
[2024-12-05 08:22:55,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539908679]
[2024-12-05 08:22:55,328 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-05 08:22:55,328 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 46 states
[2024-12-05 08:22:55,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-05 08:22:55,329 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants.
[2024-12-05 08:22:55,330 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=536, Invalid=1534, Unknown=0, NotChecked=0, Total=2070
[2024-12-05 08:22:55,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-12-05 08:22:55,330 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-12-05 08:22:55,331 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 3.282608695652174) internal successors, (151), 45 states have internal predecessors, (151), 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)
[2024-12-05 08:22:55,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-12-05 08:22:55,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-12-05 08:22:55,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2024-12-05 08:22:55,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states.
[2024-12-05 08:22:55,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states.
[2024-12-05 08:22:55,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2024-12-05 08:22:55,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states.
[2024-12-05 08:22:55,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-12-05 08:22:55,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-12-05 08:22:55,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-05 08:22:55,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-05 08:22:55,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-12-05 08:22:55,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2024-12-05 08:22:55,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-05 08:22:55,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2024-12-05 08:22:55,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2024-12-05 08:22:55,616 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac3f8e8-be12-4e3c-ab24-9c61ab2b756c/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0
[2024-12-05 08:22:55,807 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac3f8e8-be12-4e3c-ab24-9c61ab2b756c/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-05 08:22:55,808 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-12-05 08:22:55,808 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-12-05 08:22:55,808 INFO L139 ounterexampleChecker]: Examining path program with hash 624593348, occurence #2
[2024-12-05 08:22:55,808 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition.
[2024-12-05 08:22:55,808 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0
[2024-12-05 08:22:55,808 INFO L209 ounterexampleChecker]: No commutativity condition found.
[2024-12-05 08:22:55,808 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9
[2024-12-05 08:22:55,808 WARN L190 ounterexampleChecker]: Statements were already independent.
[2024-12-05 08:22:55,808 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12
[2024-12-05 08:22:55,808 WARN L190 ounterexampleChecker]: Statements were already independent.
[2024-12-05 08:22:55,808 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34
[2024-12-05 08:22:55,808 INFO L209 ounterexampleChecker]: No commutativity condition found.
[2024-12-05 08:22:55,809 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37
[2024-12-05 08:22:55,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-05 08:22:55,836 INFO L85 PathProgramCache]: Analyzing trace with hash -2041140791, now seen corresponding path program 1 times
[2024-12-05 08:22:55,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL
[2024-12-05 08:22:55,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866151066]
[2024-12-05 08:22:55,837 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-05 08:22:55,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-05 08:22:55,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-05 08:22:55,910 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked.
[2024-12-05 08:22:55,910 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace
[2024-12-05 08:22:55,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866151066]
[2024-12-05 08:22:55,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866151066] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-05 08:22:55,910 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-05 08:22:55,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-05 08:22:55,912 INFO L172 ounterexampleChecker]: Successfully proved commutativity at non-minimality point 37. Constructing proof automaton...
[2024-12-05 08:22:55,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-05 08:22:55,912 INFO L311 artialOrderCegarLoop]: Commutativity proof succeeded, skipping feasibility check.
[2024-12-05 08:22:55,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-05 08:22:55,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SMTINTERPOL
[2024-12-05 08:22:55,913 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-05 08:22:55,913 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-12-05 08:22:55,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-12-05 08:22:55,913 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-12-05 08:22:55,913 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 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)
[2024-12-05 08:22:55,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-12-05 08:22:55,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-12-05 08:22:55,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2024-12-05 08:22:55,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states.
[2024-12-05 08:22:55,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states.
[2024-12-05 08:22:55,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2024-12-05 08:22:55,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states.
[2024-12-05 08:22:55,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states.
[2024-12-05 08:22:55,914 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-12-05 08:22:58,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-12-05 08:22:58,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-05 08:22:58,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-12-05 08:22:58,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-12-05 08:22:58,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states.
[2024-12-05 08:22:58,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-05 08:22:58,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states.
[2024-12-05 08:22:58,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states.
[2024-12-05 08:22:58,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-05 08:22:58,321 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining)
[2024-12-05 08:22:58,321 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining)
[2024-12-05 08:22:58,321 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining)
[2024-12-05 08:22:58,322 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-12-05 08:22:58,326 INFO L422 BasicCegarLoop]: Path program histogram: [5, 1, 1, 1]
[2024-12-05 08:22:58,328 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-12-05 08:22:58,328 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-12-05 08:22:58,336 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac3f8e8-be12-4e3c-ab24-9c61ab2b756c/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0
[2024-12-05 08:22:58,336 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.12 08:22:58 BasicIcfg
[2024-12-05 08:22:58,337 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-05 08:22:58,337 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-05 08:22:58,337 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-05 08:22:58,337 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-05 08:22:58,338 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 08:22:48" (3/4) ...
[2024-12-05 08:22:58,339 INFO L146 WitnessPrinter]: Generating witness for correct program
[2024-12-05 08:22:58,342 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1
[2024-12-05 08:22:58,342 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2
[2024-12-05 08:22:58,346 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 74 nodes and edges
[2024-12-05 08:22:58,346 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges
[2024-12-05 08:22:58,346 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges
[2024-12-05 08:22:58,346 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2024-12-05 08:22:58,415 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac3f8e8-be12-4e3c-ab24-9c61ab2b756c/bin/ugemcutter-verify-L2ppAeDwQX/witness.graphml
[2024-12-05 08:22:58,415 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac3f8e8-be12-4e3c-ab24-9c61ab2b756c/bin/ugemcutter-verify-L2ppAeDwQX/witness.yml
[2024-12-05 08:22:58,415 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-05 08:22:58,416 INFO L158 Benchmark]: Toolchain (without parser) took 10964.17ms. Allocated memory was 142.6MB in the beginning and 302.0MB in the end (delta: 159.4MB). Free memory was 115.9MB in the beginning and 135.6MB in the end (delta: -19.8MB). Peak memory consumption was 135.5MB. Max. memory is 16.1GB.
[2024-12-05 08:22:58,416 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 142.6MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-05 08:22:58,417 INFO L158 Benchmark]: CACSL2BoogieTranslator took 182.49ms. Allocated memory is still 142.6MB. Free memory was 115.7MB in the beginning and 103.8MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-05 08:22:58,417 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.73ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 102.3MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-05 08:22:58,417 INFO L158 Benchmark]: Boogie Preprocessor took 16.92ms. Allocated memory is still 142.6MB. Free memory was 102.3MB in the beginning and 101.3MB in the end (delta: 970.2kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-05 08:22:58,417 INFO L158 Benchmark]: RCFGBuilder took 447.95ms. Allocated memory is still 142.6MB. Free memory was 101.1MB in the beginning and 68.8MB in the end (delta: 32.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB.
[2024-12-05 08:22:58,418 INFO L158 Benchmark]: TraceAbstraction took 10207.82ms. Allocated memory was 142.6MB in the beginning and 302.0MB in the end (delta: 159.4MB). Free memory was 68.2MB in the beginning and 140.1MB in the end (delta: -71.9MB). Peak memory consumption was 85.1MB. Max. memory is 16.1GB.
[2024-12-05 08:22:58,418 INFO L158 Benchmark]: Witness Printer took 77.99ms. Allocated memory is still 302.0MB. Free memory was 140.1MB in the beginning and 135.6MB in the end (delta: 4.5MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-05 08:22:58,420 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.25ms. Allocated memory is still 142.6MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 182.49ms. Allocated memory is still 142.6MB. Free memory was 115.7MB in the beginning and 103.8MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 25.73ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 102.3MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 16.92ms. Allocated memory is still 142.6MB. Free memory was 102.3MB in the beginning and 101.3MB in the end (delta: 970.2kB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 447.95ms. Allocated memory is still 142.6MB. Free memory was 101.1MB in the beginning and 68.8MB in the end (delta: 32.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB.
* TraceAbstraction took 10207.82ms. Allocated memory was 142.6MB in the beginning and 302.0MB in the end (delta: 159.4MB). Free memory was 68.2MB in the beginning and 140.1MB in the end (delta: -71.9MB). Peak memory consumption was 85.1MB. Max. memory is 16.1GB.
* Witness Printer took 77.99ms. Allocated memory is still 302.0MB. Free memory was 140.1MB in the beginning and 135.6MB in the end (delta: 4.5MB). There was no memory consumed. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: Partial order reduction statistics
Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4998, independent: 3480, independent conditional: 3153, independent unconditional: 327, dependent: 1518, dependent conditional: 1515, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3494, independent: 3480, independent conditional: 3153, independent unconditional: 327, dependent: 14, dependent conditional: 11, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3494, independent: 3480, independent conditional: 3153, independent unconditional: 327, dependent: 14, dependent conditional: 11, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3593, independent: 3480, independent conditional: 3153, independent unconditional: 327, dependent: 113, dependent conditional: 110, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3593, independent: 3480, independent conditional: 88, independent unconditional: 3392, dependent: 113, dependent conditional: 3, dependent unconditional: 110, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3593, independent: 3480, independent conditional: 88, independent unconditional: 3392, dependent: 113, dependent conditional: 3, dependent unconditional: 110, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 269, independent: 265, independent conditional: 3, independent unconditional: 262, dependent: 4, dependent conditional: 1, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 269, independent: 259, independent conditional: 0, independent unconditional: 259, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 10, independent: 6, independent conditional: 3, independent unconditional: 3, dependent: 4, dependent conditional: 1, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 10, independent: 6, independent conditional: 3, independent unconditional: 3, dependent: 4, dependent conditional: 1, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 288, independent: 181, independent conditional: 71, independent unconditional: 110, dependent: 106, dependent conditional: 23, dependent unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 1, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 3593, independent: 3215, independent conditional: 85, independent unconditional: 3130, dependent: 109, dependent conditional: 2, dependent unconditional: 107, unknown: 269, unknown conditional: 4, unknown unconditional: 265] , Statistics on independence cache: Total cache size (in pairs): 270, Positive cache size: 266, Positive conditional cache size: 4, Positive unconditional cache size: 262, Negative cache size: 4, Negative conditional cache size: 1, Negative unconditional cache size: 3, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3172, Maximal queried relation: 1, Independence queries for same thread: 1504, Persistent sets #1 benchmarks: Persistent set computation time: 0.2s, Number of persistent set computation: 81, Number of trivial persistent sets: 66, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 330, independent: 327, independent conditional: 0, independent unconditional: 327, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4998, independent: 3480, independent conditional: 3153, independent unconditional: 327, dependent: 1518, dependent conditional: 1515, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3494, independent: 3480, independent conditional: 3153, independent unconditional: 327, dependent: 14, dependent conditional: 11, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3494, independent: 3480, independent conditional: 3153, independent unconditional: 327, dependent: 14, dependent conditional: 11, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3593, independent: 3480, independent conditional: 3153, independent unconditional: 327, dependent: 113, dependent conditional: 110, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3593, independent: 3480, independent conditional: 88, independent unconditional: 3392, dependent: 113, dependent conditional: 3, dependent unconditional: 110, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3593, independent: 3480, independent conditional: 88, independent unconditional: 3392, dependent: 113, dependent conditional: 3, dependent unconditional: 110, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 269, independent: 265, independent conditional: 3, independent unconditional: 262, dependent: 4, dependent conditional: 1, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 269, independent: 259, independent conditional: 0, independent unconditional: 259, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 10, independent: 6, independent conditional: 3, independent unconditional: 3, dependent: 4, dependent conditional: 1, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 10, independent: 6, independent conditional: 3, independent unconditional: 3, dependent: 4, dependent conditional: 1, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 288, independent: 181, independent conditional: 71, independent unconditional: 110, dependent: 106, dependent conditional: 23, dependent unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 1, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 3593, independent: 3215, independent conditional: 85, independent unconditional: 3130, dependent: 109, dependent conditional: 2, dependent unconditional: 107, unknown: 269, unknown conditional: 4, unknown unconditional: 265] , Statistics on independence cache: Total cache size (in pairs): 270, Positive cache size: 266, Positive conditional cache size: 4, Positive unconditional cache size: 262, Negative cache size: 4, Negative conditional cache size: 1, Negative unconditional cache size: 3, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3172, Maximal queried relation: 1, Independence queries for same thread: 1504
- PositiveResult [Line: 86]: a call to reach_error is unreachable
For all program executions holds that a call to reach_error is unreachable at this location
- StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances
CFG has 5 procedures, 38 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 10.0s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 4.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 91, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 436 NumberOfCodeBlocks, 428 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 604 ConstructedInterpolants, 1 QuantifiedInterpolants, 3675 SizeOfPredicates, 28 NumberOfNonLiveVariables, 927 ConjunctsInSsa, 86 ConjunctsInUnsatCore, 18 InterpolantComputations, 3 PerfectInterpolantSequences, 252/485 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: SuccessfulCommutativityProofs: 1, ConComChecker Statistics: CheckTime [ms]: 120, ConditionCalculationTime [ms]: 27, ConditionCalculations: 19, QuantifiedConditions: 0, TraceChecks: 1, UnknownTraceChecks: 0, ImperfectProofs: 0
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2024-12-05 08:22:58,437 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ac3f8e8-be12-4e3c-ab24-9c61ab2b756c/bin/ugemcutter-verify-L2ppAeDwQX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE