./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/chl-name-comparator-symm.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_f9de82af-0757-48f8-8848-6e7258c80f4e/bin/ugemcutter-verify-L2ppAeDwQX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9de82af-0757-48f8-8848-6e7258c80f4e/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_f9de82af-0757-48f8-8848-6e7258c80f4e/bin/ugemcutter-verify-L2ppAeDwQX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9de82af-0757-48f8-8848-6e7258c80f4e/bin/ugemcutter-verify-L2ppAeDwQX/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/chl-name-comparator-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9de82af-0757-48f8-8848-6e7258c80f4e/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_f9de82af-0757-48f8-8848-6e7258c80f4e/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 e3298e0ac573b72ea1dd21021e341a1c4e9f42cf513c1ea24a79ab2c37c412bc
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-05 08:15:35,172 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-05 08:15:35,232 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9de82af-0757-48f8-8848-6e7258c80f4e/bin/ugemcutter-verify-L2ppAeDwQX/config/svcomp-Reach-32bit-GemCutter_Default.epf
[2024-12-05 08:15:35,237 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-05 08:15:35,238 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-05 08:15:35,258 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-05 08:15:35,258 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-05 08:15:35,259 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-05 08:15:35,259 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-05 08:15:35,259 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-05 08:15:35,259 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-05 08:15:35,260 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-05 08:15:35,260 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-05 08:15:35,260 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-05 08:15:35,260 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-12-05 08:15:35,260 INFO L153 SettingsManager]: * sizeof long=4
[2024-12-05 08:15:35,260 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-05 08:15:35,260 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-12-05 08:15:35,260 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-05 08:15:35,260 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-12-05 08:15:35,260 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-05 08:15:35,261 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-12-05 08:15:35,261 INFO L153 SettingsManager]: * sizeof long double=12
[2024-12-05 08:15:35,261 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-05 08:15:35,261 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-05 08:15:35,261 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-05 08:15:35,261 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-05 08:15:35,261 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-05 08:15:35,261 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-12-05 08:15:35,261 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-12-05 08:15:35,261 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-12-05 08:15:35,261 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-05 08:15:35,262 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-12-05 08:15:35,262 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-12-05 08:15:35,262 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT
[2024-12-05 08:15:35,262 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-05 08:15:35,262 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-12-05 08:15:35,262 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP
[2024-12-05 08:15:35,262 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-05 08:15:35,262 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-05 08:15:35,262 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2024-12-05 08:15:35,262 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2024-12-05 08:15:35,262 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2024-12-05 08:15:35,262 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_f9de82af-0757-48f8-8848-6e7258c80f4e/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 -> e3298e0ac573b72ea1dd21021e341a1c4e9f42cf513c1ea24a79ab2c37c412bc
[2024-12-05 08:15:35,498 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-05 08:15:35,507 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-05 08:15:35,509 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-05 08:15:35,510 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-05 08:15:35,510 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-05 08:15:35,511 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9de82af-0757-48f8-8848-6e7258c80f4e/bin/ugemcutter-verify-L2ppAeDwQX/../../sv-benchmarks/c/weaver/chl-name-comparator-symm.wvr.c
[2024-12-05 08:15:38,207 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9de82af-0757-48f8-8848-6e7258c80f4e/bin/ugemcutter-verify-L2ppAeDwQX/data/767537075/b18112b7c9094476a39b419e20b89712/FLAG28a5a3d94
[2024-12-05 08:15:38,384 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-05 08:15:38,385 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9de82af-0757-48f8-8848-6e7258c80f4e/sv-benchmarks/c/weaver/chl-name-comparator-symm.wvr.c
[2024-12-05 08:15:38,393 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9de82af-0757-48f8-8848-6e7258c80f4e/bin/ugemcutter-verify-L2ppAeDwQX/data/767537075/b18112b7c9094476a39b419e20b89712/FLAG28a5a3d94
[2024-12-05 08:15:38,408 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9de82af-0757-48f8-8848-6e7258c80f4e/bin/ugemcutter-verify-L2ppAeDwQX/data/767537075/b18112b7c9094476a39b419e20b89712
[2024-12-05 08:15:38,410 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-05 08:15:38,412 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-05 08:15:38,413 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-05 08:15:38,413 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-05 08:15:38,417 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-05 08:15:38,418 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 08:15:38" (1/1) ...
[2024-12-05 08:15:38,419 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d255bff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:15:38, skipping insertion in model container
[2024-12-05 08:15:38,419 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 08:15:38" (1/1) ...
[2024-12-05 08:15:38,435 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-05 08:15:38,583 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_f9de82af-0757-48f8-8848-6e7258c80f4e/sv-benchmarks/c/weaver/chl-name-comparator-symm.wvr.c[3882,3895]
[2024-12-05 08:15:38,591 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-05 08:15:38,598 INFO L200 MainTranslator]: Completed pre-run
[2024-12-05 08:15:38,618 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_f9de82af-0757-48f8-8848-6e7258c80f4e/sv-benchmarks/c/weaver/chl-name-comparator-symm.wvr.c[3882,3895]
[2024-12-05 08:15:38,622 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-05 08:15:38,635 INFO L204 MainTranslator]: Completed translation
[2024-12-05 08:15:38,635 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:15:38 WrapperNode
[2024-12-05 08:15:38,635 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-05 08:15:38,636 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-05 08:15:38,636 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-05 08:15:38,636 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-05 08:15:38,641 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:15:38" (1/1) ...
[2024-12-05 08:15:38,647 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:15:38" (1/1) ...
[2024-12-05 08:15:38,670 INFO L138 Inliner]: procedures = 24, calls = 24, calls flagged for inlining = 14, calls inlined = 16, statements flattened = 216
[2024-12-05 08:15:38,670 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-05 08:15:38,671 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-05 08:15:38,671 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-05 08:15:38,671 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-05 08:15:38,677 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:15:38" (1/1) ...
[2024-12-05 08:15:38,677 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:15:38" (1/1) ...
[2024-12-05 08:15:38,680 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:15:38" (1/1) ...
[2024-12-05 08:15:38,680 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:15:38" (1/1) ...
[2024-12-05 08:15:38,687 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:15:38" (1/1) ...
[2024-12-05 08:15:38,689 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:15:38" (1/1) ...
[2024-12-05 08:15:38,692 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:15:38" (1/1) ...
[2024-12-05 08:15:38,694 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:15:38" (1/1) ...
[2024-12-05 08:15:38,695 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:15:38" (1/1) ...
[2024-12-05 08:15:38,697 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-05 08:15:38,698 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-05 08:15:38,698 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-05 08:15:38,698 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-05 08:15:38,699 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:15:38" (1/1) ...
[2024-12-05 08:15:38,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-12-05 08:15:38,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9de82af-0757-48f8-8848-6e7258c80f4e/bin/ugemcutter-verify-L2ppAeDwQX/z3
[2024-12-05 08:15:38,724 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9de82af-0757-48f8-8848-6e7258c80f4e/bin/ugemcutter-verify-L2ppAeDwQX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2024-12-05 08:15:38,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9de82af-0757-48f8-8848-6e7258c80f4e/bin/ugemcutter-verify-L2ppAeDwQX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2024-12-05 08:15:38,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-05 08:15:38,750 INFO L130 BoogieDeclarations]: Found specification of procedure thread1
[2024-12-05 08:15:38,750 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1
[2024-12-05 08:15:38,750 INFO L130 BoogieDeclarations]: Found specification of procedure thread2
[2024-12-05 08:15:38,750 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2
[2024-12-05 08:15:38,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2024-12-05 08:15:38,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2024-12-05 08:15:38,750 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2024-12-05 08:15:38,750 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-05 08:15:38,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-05 08:15:38,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2024-12-05 08:15:38,752 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 08:15:38,839 INFO L234 CfgBuilder]: Building ICFG
[2024-12-05 08:15:38,840 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-05 08:15:39,145 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-12-05 08:15:39,146 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-05 08:15:39,404 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-05 08:15:39,404 INFO L312 CfgBuilder]: Removed 3 assume(true) statements.
[2024-12-05 08:15:39,405 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 08:15:39 BoogieIcfgContainer
[2024-12-05 08:15:39,405 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-05 08:15:39,407 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-05 08:15:39,407 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-12-05 08:15:39,411 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-12-05 08:15:39,411 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.12 08:15:38" (1/3) ...
[2024-12-05 08:15:39,411 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@466abb6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 08:15:39, skipping insertion in model container
[2024-12-05 08:15:39,412 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:15:38" (2/3) ...
[2024-12-05 08:15:39,412 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@466abb6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 08:15:39, skipping insertion in model container
[2024-12-05 08:15:39,412 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 08:15:39" (3/3) ...
[2024-12-05 08:15:39,413 INFO L128 eAbstractionObserver]: Analyzing ICFG chl-name-comparator-symm.wvr.c
[2024-12-05 08:15:39,424 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-05 08:15:39,425 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG chl-name-comparator-symm.wvr.c that has 3 procedures, 22 locations, 1 initial locations, 3 loop locations, and 1 error locations.
[2024-12-05 08:15:39,425 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-12-05 08:15:39,473 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2024-12-05 08:15:39,513 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-05 08:15:39,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2024-12-05 08:15:39,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9de82af-0757-48f8-8848-6e7258c80f4e/bin/ugemcutter-verify-L2ppAeDwQX/z3
[2024-12-05 08:15:39,515 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9de82af-0757-48f8-8848-6e7258c80f4e/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2024-12-05 08:15:39,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9de82af-0757-48f8-8848-6e7258c80f4e/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2024-12-05 08:15:39,583 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2024-12-05 08:15:39,601 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ========
[2024-12-05 08:15:39,609 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;@7950f015, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-05 08:15:39,609 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations.
[2024-12-05 08:15:39,881 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 08:15:39,881 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-12-05 08:15:39,882 INFO L139 ounterexampleChecker]: Examining path program with hash 75268918, occurence #1
[2024-12-05 08:15:39,882 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping...
[2024-12-05 08:15:39,882 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-12-05 08:15:39,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-05 08:15:39,886 INFO L85 PathProgramCache]: Analyzing trace with hash -1060992489, now seen corresponding path program 1 times
[2024-12-05 08:15:39,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-05 08:15:39,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553056660]
[2024-12-05 08:15:39,894 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-05 08:15:39,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-05 08:15:39,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-05 08:15:40,058 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 08:15:40,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-05 08:15:40,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553056660]
[2024-12-05 08:15:40,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553056660] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-05 08:15:40,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-05 08:15:40,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-05 08:15:40,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188996387]
[2024-12-05 08:15:40,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-05 08:15:40,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-12-05 08:15:40,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-05 08:15:40,083 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-12-05 08:15:40,084 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-12-05 08:15:40,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-12-05 08:15:40,086 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-12-05 08:15:40,087 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 08:15:40,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-12-05 08:15:40,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-12-05 08:15:40,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-05 08:15:40,131 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 08:15:40,131 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-12-05 08:15:40,131 INFO L139 ounterexampleChecker]: Examining path program with hash -329057006, occurence #1
[2024-12-05 08:15:40,131 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping...
[2024-12-05 08:15:40,131 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-12-05 08:15:40,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-05 08:15:40,132 INFO L85 PathProgramCache]: Analyzing trace with hash -1233697873, now seen corresponding path program 1 times
[2024-12-05 08:15:40,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-05 08:15:40,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073519605]
[2024-12-05 08:15:40,132 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-05 08:15:40,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-05 08:15:40,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-05 08:15:40,305 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 08:15:40,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-05 08:15:40,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073519605]
[2024-12-05 08:15:40,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073519605] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-05 08:15:40,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-05 08:15:40,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-05 08:15:40,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194367459]
[2024-12-05 08:15:40,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-05 08:15:40,307 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-05 08:15:40,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-05 08:15:40,308 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-05 08:15:40,308 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-05 08:15:40,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-12-05 08:15:40,308 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-12-05 08:15:40,308 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-05 08:15:40,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-12-05 08:15:40,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-12-05 08:15:40,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-12-05 08:15:40,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-05 08:15:40,360 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-05 08:15:40,360 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 08:15:40,360 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-12-05 08:15:40,361 INFO L139 ounterexampleChecker]: Examining path program with hash -329057006, occurence #2
[2024-12-05 08:15:40,361 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition.
[2024-12-05 08:15:40,361 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0
[2024-12-05 08:15:40,362 INFO L209 ounterexampleChecker]: No commutativity condition found.
[2024-12-05 08:15:40,362 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3
[2024-12-05 08:15:40,413 WARN L190 ounterexampleChecker]: Statements were already independent.
[2024-12-05 08:15:40,414 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6
[2024-12-05 08:15:40,414 WARN L190 ounterexampleChecker]: Statements were already independent.
[2024-12-05 08:15:40,414 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10
[2024-12-05 08:15:40,414 INFO L209 ounterexampleChecker]: No commutativity condition found.
[2024-12-05 08:15:40,414 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14
[2024-12-05 08:15:40,414 INFO L209 ounterexampleChecker]: No commutativity condition found.
[2024-12-05 08:15:40,414 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16
[2024-12-05 08:15:40,414 WARN L190 ounterexampleChecker]: Statements were already independent.
[2024-12-05 08:15:40,414 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition.
[2024-12-05 08:15:40,414 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-12-05 08:15:40,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-05 08:15:40,415 INFO L85 PathProgramCache]: Analyzing trace with hash -2003889776, now seen corresponding path program 1 times
[2024-12-05 08:15:40,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-05 08:15:40,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807745221]
[2024-12-05 08:15:40,415 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-05 08:15:40,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-05 08:15:40,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-05 08:15:40,533 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-05 08:15:40,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-05 08:15:40,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807745221]
[2024-12-05 08:15:40,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807745221] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-05 08:15:40,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [874929185]
[2024-12-05 08:15:40,533 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-05 08:15:40,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-05 08:15:40,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9de82af-0757-48f8-8848-6e7258c80f4e/bin/ugemcutter-verify-L2ppAeDwQX/z3
[2024-12-05 08:15:40,536 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9de82af-0757-48f8-8848-6e7258c80f4e/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-05 08:15:40,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9de82af-0757-48f8-8848-6e7258c80f4e/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-12-05 08:15:40,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-05 08:15:40,642 INFO L256 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-12-05 08:15:40,645 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-05 08:15:40,681 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-05 08:15:40,681 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-05 08:15:40,698 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-05 08:15:40,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [874929185] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-05 08:15:40,698 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-05 08:15:40,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6
[2024-12-05 08:15:40,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048060019]
[2024-12-05 08:15:40,699 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-05 08:15:40,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-12-05 08:15:40,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-05 08:15:40,699 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-12-05 08:15:40,700 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42
[2024-12-05 08:15:40,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-12-05 08:15:40,700 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-12-05 08:15:40,700 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 6 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 08:15:40,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-12-05 08:15:40,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-12-05 08:15:40,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-12-05 08:15:40,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-12-05 08:15:40,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-05 08:15:40,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-05 08:15:40,790 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9de82af-0757-48f8-8848-6e7258c80f4e/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-12-05 08:15:40,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9de82af-0757-48f8-8848-6e7258c80f4e/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-05 08:15:40,981 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 08:15:40,981 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-12-05 08:15:40,982 INFO L139 ounterexampleChecker]: Examining path program with hash -329057006, occurence #3
[2024-12-05 08:15:40,982 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition.
[2024-12-05 08:15:40,982 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0
[2024-12-05 08:15:40,982 INFO L209 ounterexampleChecker]: No commutativity condition found.
[2024-12-05 08:15:40,982 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5
[2024-12-05 08:15:40,982 WARN L190 ounterexampleChecker]: Statements were already independent.
[2024-12-05 08:15:40,982 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8
[2024-12-05 08:15:40,982 WARN L190 ounterexampleChecker]: Statements were already independent.
[2024-12-05 08:15:40,982 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12
[2024-12-05 08:15:40,982 INFO L209 ounterexampleChecker]: No commutativity condition found.
[2024-12-05 08:15:40,982 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16
[2024-12-05 08:15:40,982 INFO L209 ounterexampleChecker]: No commutativity condition found.
[2024-12-05 08:15:40,982 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18
[2024-12-05 08:15:40,982 WARN L190 ounterexampleChecker]: Statements were already independent.
[2024-12-05 08:15:40,982 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition.
[2024-12-05 08:15:40,983 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-12-05 08:15:40,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-05 08:15:40,983 INFO L85 PathProgramCache]: Analyzing trace with hash -1530078864, now seen corresponding path program 2 times
[2024-12-05 08:15:40,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-05 08:15:40,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738310832]
[2024-12-05 08:15:40,983 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-05 08:15:40,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-05 08:15:41,020 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2024-12-05 08:15:41,020 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-05 08:15:41,448 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2024-12-05 08:15:41,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-05 08:15:41,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738310832]
[2024-12-05 08:15:41,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738310832] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-05 08:15:41,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-05 08:15:41,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-12-05 08:15:41,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617044831]
[2024-12-05 08:15:41,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-05 08:15:41,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-05 08:15:41,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-05 08:15:41,450 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-05 08:15:41,450 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-12-05 08:15:41,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-12-05 08:15:41,451 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-12-05 08:15:41,451 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-05 08:15:41,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-12-05 08:15:41,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-12-05 08:15:41,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2024-12-05 08:15:41,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-12-05 08:15:41,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-12-05 08:15:41,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-05 08:15:41,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-05 08:15:41,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-05 08:15:41,641 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-12-05 08:15:41,641 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 08:15:41,641 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-12-05 08:15:41,641 INFO L139 ounterexampleChecker]: Examining path program with hash 547863299, occurence #1
[2024-12-05 08:15:41,641 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping...
[2024-12-05 08:15:41,641 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-12-05 08:15:41,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-05 08:15:41,642 INFO L85 PathProgramCache]: Analyzing trace with hash 1026177909, now seen corresponding path program 1 times
[2024-12-05 08:15:41,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-05 08:15:41,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363134178]
[2024-12-05 08:15:41,642 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-05 08:15:41,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-05 08:15:41,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-05 08:15:41,834 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2024-12-05 08:15:41,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-05 08:15:41,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363134178]
[2024-12-05 08:15:41,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363134178] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-05 08:15:41,835 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-05 08:15:41,835 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-12-05 08:15:41,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993686401]
[2024-12-05 08:15:41,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-05 08:15:41,835 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-05 08:15:41,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-05 08:15:41,836 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-05 08:15:41,836 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-05 08:15:41,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-12-05 08:15:41,836 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-12-05 08:15:41,836 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-05 08:15:41,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-12-05 08:15:41,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-12-05 08:15:41,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2024-12-05 08:15:41,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2024-12-05 08:15:41,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-12-05 08:15:41,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-12-05 08:15:41,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-05 08:15:41,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-05 08:15:41,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-05 08:15:41,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-05 08:15:41,960 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-12-05 08:15:41,960 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 08:15:41,960 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-12-05 08:15:41,960 INFO L139 ounterexampleChecker]: Examining path program with hash -90722596, occurence #1
[2024-12-05 08:15:41,960 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping...
[2024-12-05 08:15:41,960 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-12-05 08:15:41,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-05 08:15:41,961 INFO L85 PathProgramCache]: Analyzing trace with hash -456472202, now seen corresponding path program 1 times
[2024-12-05 08:15:41,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-05 08:15:41,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247854126]
[2024-12-05 08:15:41,961 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-05 08:15:41,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-05 08:15:42,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-05 08:15:42,910 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2024-12-05 08:15:42,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-05 08:15:42,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247854126]
[2024-12-05 08:15:42,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247854126] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-05 08:15:42,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [32433952]
[2024-12-05 08:15:42,911 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-05 08:15:42,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-05 08:15:42,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9de82af-0757-48f8-8848-6e7258c80f4e/bin/ugemcutter-verify-L2ppAeDwQX/z3
[2024-12-05 08:15:42,913 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9de82af-0757-48f8-8848-6e7258c80f4e/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-05 08:15:42,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9de82af-0757-48f8-8848-6e7258c80f4e/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-12-05 08:15:43,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-05 08:15:43,014 INFO L256 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 26 conjuncts are in the unsatisfiable core
[2024-12-05 08:15:43,018 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-05 08:15:43,476 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 204 treesize of output 132
[2024-12-05 08:15:43,812 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2024-12-05 08:15:43,812 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-05 08:15:45,689 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-12-05 08:15:45,689 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 298 treesize of output 194
[2024-12-05 08:15:46,040 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2024-12-05 08:15:46,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [32433952] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-05 08:15:46,040 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-05 08:15:46,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 21
[2024-12-05 08:15:46,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802009545]
[2024-12-05 08:15:46,040 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-05 08:15:46,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states
[2024-12-05 08:15:46,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-05 08:15:46,041 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants.
[2024-12-05 08:15:46,042 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=356, Unknown=0, NotChecked=0, Total=420
[2024-12-05 08:15:46,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-12-05 08:15:46,042 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-12-05 08:15:46,042 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 2.9047619047619047) internal successors, (61), 21 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-05 08:15:46,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-12-05 08:15:46,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-12-05 08:15:46,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2024-12-05 08:15:46,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2024-12-05 08:15:46,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2024-12-05 08:15:46,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-12-05 08:15:47,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-12-05 08:15:47,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-05 08:15:47,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-05 08:15:47,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-05 08:15:47,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-05 08:15:47,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2024-12-05 08:15:47,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9de82af-0757-48f8-8848-6e7258c80f4e/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2024-12-05 08:15:47,305 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9de82af-0757-48f8-8848-6e7258c80f4e/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5
[2024-12-05 08:15:47,306 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 08:15:47,306 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-12-05 08:15:47,306 INFO L139 ounterexampleChecker]: Examining path program with hash 547863299, occurence #2
[2024-12-05 08:15:47,306 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition.
[2024-12-05 08:15:47,306 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0
[2024-12-05 08:15:47,306 INFO L209 ounterexampleChecker]: No commutativity condition found.
[2024-12-05 08:15:47,306 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5
[2024-12-05 08:15:47,306 WARN L190 ounterexampleChecker]: Statements were already independent.
[2024-12-05 08:15:47,306 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8
[2024-12-05 08:15:47,306 WARN L190 ounterexampleChecker]: Statements were already independent.
[2024-12-05 08:15:47,306 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18
[2024-12-05 08:15:47,306 INFO L209 ounterexampleChecker]: No commutativity condition found.
[2024-12-05 08:15:47,306 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21
[2024-12-05 08:15:47,307 INFO L209 ounterexampleChecker]: No commutativity condition found.
[2024-12-05 08:15:47,307 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23
[2024-12-05 08:15:47,307 WARN L190 ounterexampleChecker]: Statements were already independent.
[2024-12-05 08:15:47,307 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition.
[2024-12-05 08:15:47,307 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-12-05 08:15:47,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-05 08:15:47,307 INFO L85 PathProgramCache]: Analyzing trace with hash 1970029051, now seen corresponding path program 2 times
[2024-12-05 08:15:47,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-05 08:15:47,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245492544]
[2024-12-05 08:15:47,307 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-05 08:15:47,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-05 08:15:47,356 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-12-05 08:15:47,356 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-05 08:15:47,954 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2024-12-05 08:15:47,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-05 08:15:47,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245492544]
[2024-12-05 08:15:47,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245492544] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-05 08:15:47,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1952821676]
[2024-12-05 08:15:47,955 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-05 08:15:47,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-05 08:15:47,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9de82af-0757-48f8-8848-6e7258c80f4e/bin/ugemcutter-verify-L2ppAeDwQX/z3
[2024-12-05 08:15:47,957 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9de82af-0757-48f8-8848-6e7258c80f4e/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-05 08:15:47,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9de82af-0757-48f8-8848-6e7258c80f4e/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-12-05 08:15:48,058 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-12-05 08:15:48,058 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-05 08:15:48,060 INFO L256 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 25 conjuncts are in the unsatisfiable core
[2024-12-05 08:15:48,062 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-05 08:15:48,282 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 91 treesize of output 59
[2024-12-05 08:15:48,340 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2024-12-05 08:15:48,340 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-05 08:15:48,471 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-12-05 08:15:48,471 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 54 treesize of output 30
[2024-12-05 08:15:48,567 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2024-12-05 08:15:48,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1952821676] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-05 08:15:48,567 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-05 08:15:48,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 7] total 18
[2024-12-05 08:15:48,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402858451]
[2024-12-05 08:15:48,567 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-05 08:15:48,567 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states
[2024-12-05 08:15:48,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-05 08:15:48,568 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants.
[2024-12-05 08:15:48,568 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=240, Unknown=0, NotChecked=0, Total=306
[2024-12-05 08:15:48,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-12-05 08:15:48,568 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-12-05 08:15:48,569 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 18 states have internal predecessors, (53), 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 08:15:48,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-12-05 08:15:48,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-12-05 08:15:48,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2024-12-05 08:15:48,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2024-12-05 08:15:48,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2024-12-05 08:15:48,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states.
[2024-12-05 08:15:48,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-12-05 08:15:49,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-12-05 08:15:49,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-05 08:15:49,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-05 08:15:49,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-05 08:15:49,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-05 08:15:49,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states.
[2024-12-05 08:15:49,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states.
[2024-12-05 08:15:49,038 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9de82af-0757-48f8-8848-6e7258c80f4e/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0
[2024-12-05 08:15:49,232 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9de82af-0757-48f8-8848-6e7258c80f4e/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6
[2024-12-05 08:15:49,232 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 08:15:49,233 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-12-05 08:15:49,233 INFO L139 ounterexampleChecker]: Examining path program with hash -90722596, occurence #2
[2024-12-05 08:15:49,233 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition.
[2024-12-05 08:15:49,233 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0
[2024-12-05 08:15:49,233 INFO L209 ounterexampleChecker]: No commutativity condition found.
[2024-12-05 08:15:49,233 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5
[2024-12-05 08:15:49,233 WARN L190 ounterexampleChecker]: Statements were already independent.
[2024-12-05 08:15:49,233 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8
[2024-12-05 08:15:49,233 WARN L190 ounterexampleChecker]: Statements were already independent.
[2024-12-05 08:15:49,233 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20
[2024-12-05 08:15:49,233 INFO L209 ounterexampleChecker]: No commutativity condition found.
[2024-12-05 08:15:49,233 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24
[2024-12-05 08:15:49,233 INFO L209 ounterexampleChecker]: No commutativity condition found.
[2024-12-05 08:15:49,234 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26
[2024-12-05 08:15:49,234 WARN L190 ounterexampleChecker]: Statements were already independent.
[2024-12-05 08:15:49,234 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition.
[2024-12-05 08:15:49,234 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-12-05 08:15:49,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-05 08:15:49,234 INFO L85 PathProgramCache]: Analyzing trace with hash 346375804, now seen corresponding path program 3 times
[2024-12-05 08:15:49,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-05 08:15:49,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790990641]
[2024-12-05 08:15:49,234 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-12-05 08:15:49,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-05 08:15:49,276 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s)
[2024-12-05 08:15:49,276 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-05 08:15:50,156 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2024-12-05 08:15:50,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-05 08:15:50,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790990641]
[2024-12-05 08:15:50,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790990641] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-05 08:15:50,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [395274044]
[2024-12-05 08:15:50,157 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-12-05 08:15:50,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-05 08:15:50,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9de82af-0757-48f8-8848-6e7258c80f4e/bin/ugemcutter-verify-L2ppAeDwQX/z3
[2024-12-05 08:15:50,160 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9de82af-0757-48f8-8848-6e7258c80f4e/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-05 08:15:50,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9de82af-0757-48f8-8848-6e7258c80f4e/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2024-12-05 08:15:50,264 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s)
[2024-12-05 08:15:50,265 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-05 08:15:50,267 INFO L256 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 56 conjuncts are in the unsatisfiable core
[2024-12-05 08:15:50,271 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-05 08:15:50,320 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1
[2024-12-05 08:15:50,346 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 19 treesize of output 1
[2024-12-05 08:15:50,696 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 204 treesize of output 132
[2024-12-05 08:15:50,959 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-12-05 08:15:50,959 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-05 08:15:53,979 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2024-12-05 08:15:53,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [395274044] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-05 08:15:53,979 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-05 08:15:53,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 14, 11] total 32
[2024-12-05 08:15:53,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014350702]
[2024-12-05 08:15:53,979 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-05 08:15:53,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states
[2024-12-05 08:15:53,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-05 08:15:53,980 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants.
[2024-12-05 08:15:53,980 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=875, Unknown=0, NotChecked=0, Total=992
[2024-12-05 08:15:53,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-12-05 08:15:53,980 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-12-05 08:15:53,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 2.34375) internal successors, (75), 32 states have internal predecessors, (75), 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 08:15:53,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-12-05 08:15:53,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-12-05 08:15:53,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2024-12-05 08:15:53,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2024-12-05 08:15:53,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2024-12-05 08:15:53,980 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states.
[2024-12-05 08:15:53,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states.
[2024-12-05 08:15:53,981 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-12-05 08:15:56,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-12-05 08:15:56,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-05 08:15:56,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-05 08:15:56,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-05 08:15:56,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-05 08:15:56,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states.
[2024-12-05 08:15:56,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states.
[2024-12-05 08:15:56,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states.
[2024-12-05 08:15:56,861 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9de82af-0757-48f8-8848-6e7258c80f4e/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0
[2024-12-05 08:15:57,055 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9de82af-0757-48f8-8848-6e7258c80f4e/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7
[2024-12-05 08:15:57,056 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 08:15:57,056 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-12-05 08:15:57,056 INFO L139 ounterexampleChecker]: Examining path program with hash 547863299, occurence #3
[2024-12-05 08:15:57,056 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition.
[2024-12-05 08:15:57,056 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0
[2024-12-05 08:15:57,056 INFO L209 ounterexampleChecker]: No commutativity condition found.
[2024-12-05 08:15:57,056 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5
[2024-12-05 08:15:57,056 WARN L190 ounterexampleChecker]: Statements were already independent.
[2024-12-05 08:15:57,056 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8
[2024-12-05 08:15:57,056 WARN L190 ounterexampleChecker]: Statements were already independent.
[2024-12-05 08:15:57,056 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22
[2024-12-05 08:15:57,056 INFO L209 ounterexampleChecker]: No commutativity condition found.
[2024-12-05 08:15:57,056 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25
[2024-12-05 08:15:57,056 INFO L209 ounterexampleChecker]: No commutativity condition found.
[2024-12-05 08:15:57,056 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27
[2024-12-05 08:15:57,056 WARN L190 ounterexampleChecker]: Statements were already independent.
[2024-12-05 08:15:57,056 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition.
[2024-12-05 08:15:57,056 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-12-05 08:15:57,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-05 08:15:57,057 INFO L85 PathProgramCache]: Analyzing trace with hash 412849537, now seen corresponding path program 4 times
[2024-12-05 08:15:57,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-05 08:15:57,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708185025]
[2024-12-05 08:15:57,057 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2024-12-05 08:15:57,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-05 08:15:57,090 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2024-12-05 08:15:57,090 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-05 08:15:57,641 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-12-05 08:15:57,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-05 08:15:57,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708185025]
[2024-12-05 08:15:57,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708185025] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-05 08:15:57,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [532599]
[2024-12-05 08:15:57,641 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2024-12-05 08:15:57,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-05 08:15:57,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9de82af-0757-48f8-8848-6e7258c80f4e/bin/ugemcutter-verify-L2ppAeDwQX/z3
[2024-12-05 08:15:57,643 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9de82af-0757-48f8-8848-6e7258c80f4e/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-05 08:15:57,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9de82af-0757-48f8-8848-6e7258c80f4e/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2024-12-05 08:15:57,752 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2024-12-05 08:15:57,752 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-05 08:15:57,754 INFO L256 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 34 conjuncts are in the unsatisfiable core
[2024-12-05 08:15:57,756 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-05 08:15:58,106 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 112 treesize of output 72
[2024-12-05 08:15:58,160 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2024-12-05 08:15:58,160 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-05 08:15:58,290 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-12-05 08:15:58,290 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 51 treesize of output 27
[2024-12-05 08:15:58,451 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2024-12-05 08:15:58,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [532599] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-05 08:15:58,451 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-05 08:15:58,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 9] total 27
[2024-12-05 08:15:58,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243293822]
[2024-12-05 08:15:58,451 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-05 08:15:58,452 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2024-12-05 08:15:58,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-05 08:15:58,452 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2024-12-05 08:15:58,453 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=616, Unknown=0, NotChecked=0, Total=702
[2024-12-05 08:15:58,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-12-05 08:15:58,453 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-12-05 08:15:58,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 2.5555555555555554) internal successors, (69), 27 states have internal predecessors, (69), 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 08:15:58,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-12-05 08:15:58,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-12-05 08:15:58,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2024-12-05 08:15:58,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2024-12-05 08:15:58,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2024-12-05 08:15:58,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states.
[2024-12-05 08:15:58,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states.
[2024-12-05 08:15:58,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states.
[2024-12-05 08:15:58,453 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-12-05 08:16:00,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-12-05 08:16:00,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-05 08:16:00,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-05 08:16:00,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-05 08:16:00,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-05 08:16:00,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states.
[2024-12-05 08:16:00,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states.
[2024-12-05 08:16:00,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states.
[2024-12-05 08:16:00,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states.
[2024-12-05 08:16:00,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9de82af-0757-48f8-8848-6e7258c80f4e/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0
[2024-12-05 08:16:00,489 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9de82af-0757-48f8-8848-6e7258c80f4e/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-05 08:16:00,489 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-12-05 08:16:00,489 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-12-05 08:16:00,490 INFO L139 ounterexampleChecker]: Examining path program with hash -90722596, occurence #3
[2024-12-05 08:16:00,490 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition.
[2024-12-05 08:16:00,490 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0
[2024-12-05 08:16:00,490 INFO L209 ounterexampleChecker]: No commutativity condition found.
[2024-12-05 08:16:00,490 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5
[2024-12-05 08:16:00,490 WARN L190 ounterexampleChecker]: Statements were already independent.
[2024-12-05 08:16:00,490 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8
[2024-12-05 08:16:00,490 WARN L190 ounterexampleChecker]: Statements were already independent.
[2024-12-05 08:16:00,490 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24
[2024-12-05 08:16:00,490 INFO L209 ounterexampleChecker]: No commutativity condition found.
[2024-12-05 08:16:00,490 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28
[2024-12-05 08:16:00,490 INFO L209 ounterexampleChecker]: No commutativity condition found.
[2024-12-05 08:16:00,490 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30
[2024-12-05 08:16:00,490 INFO L209 ounterexampleChecker]: No commutativity condition found.
[2024-12-05 08:16:00,490 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32
[2024-12-05 08:16:00,490 WARN L190 ounterexampleChecker]: Statements were already independent.
[2024-12-05 08:16:00,490 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition.
[2024-12-05 08:16:00,490 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-12-05 08:16:00,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-05 08:16:00,490 INFO L85 PathProgramCache]: Analyzing trace with hash -1074124667, now seen corresponding path program 5 times
[2024-12-05 08:16:00,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-05 08:16:00,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925505841]
[2024-12-05 08:16:00,490 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2024-12-05 08:16:00,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-05 08:16:00,513 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s)
[2024-12-05 08:16:00,513 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-05 08:16:00,573 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2024-12-05 08:16:00,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-05 08:16:00,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925505841]
[2024-12-05 08:16:00,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925505841] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-05 08:16:00,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-05 08:16:00,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-12-05 08:16:00,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832269913]
[2024-12-05 08:16:00,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-05 08:16:00,574 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-05 08:16:00,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-05 08:16:00,574 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-05 08:16:00,574 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-12-05 08:16:00,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-12-05 08:16:00,575 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-12-05 08:16:00,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-05 08:16:00,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-12-05 08:16:00,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-12-05 08:16:00,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2024-12-05 08:16:00,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2024-12-05 08:16:00,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2024-12-05 08:16:00,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states.
[2024-12-05 08:16:00,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states.
[2024-12-05 08:16:00,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states.
[2024-12-05 08:16:00,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states.
[2024-12-05 08:16:00,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-12-05 08:16:01,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-12-05 08:16:01,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-05 08:16:01,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-05 08:16:01,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-05 08:16:01,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-05 08:16:01,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states.
[2024-12-05 08:16:01,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states.
[2024-12-05 08:16:01,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states.
[2024-12-05 08:16:01,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states.
[2024-12-05 08:16:01,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-12-05 08:16:01,174 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-12-05 08:16:01,174 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-12-05 08:16:01,174 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-12-05 08:16:01,175 INFO L139 ounterexampleChecker]: Examining path program with hash 547863299, occurence #4
[2024-12-05 08:16:01,175 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition.
[2024-12-05 08:16:01,175 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0
[2024-12-05 08:16:01,175 INFO L209 ounterexampleChecker]: No commutativity condition found.
[2024-12-05 08:16:01,175 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5
[2024-12-05 08:16:01,175 WARN L190 ounterexampleChecker]: Statements were already independent.
[2024-12-05 08:16:01,175 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8
[2024-12-05 08:16:01,175 WARN L190 ounterexampleChecker]: Statements were already independent.
[2024-12-05 08:16:01,175 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26
[2024-12-05 08:16:01,175 INFO L209 ounterexampleChecker]: No commutativity condition found.
[2024-12-05 08:16:01,175 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29
[2024-12-05 08:16:01,175 INFO L209 ounterexampleChecker]: No commutativity condition found.
[2024-12-05 08:16:01,175 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31
[2024-12-05 08:16:01,175 WARN L190 ounterexampleChecker]: Statements were already independent.
[2024-12-05 08:16:01,175 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition.
[2024-12-05 08:16:01,175 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-12-05 08:16:01,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-05 08:16:01,176 INFO L85 PathProgramCache]: Analyzing trace with hash 625587719, now seen corresponding path program 6 times
[2024-12-05 08:16:01,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-05 08:16:01,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087114613]
[2024-12-05 08:16:01,176 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE
[2024-12-05 08:16:01,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-05 08:16:01,222 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s)
[2024-12-05 08:16:01,222 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-05 08:16:01,288 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2024-12-05 08:16:01,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-05 08:16:01,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087114613]
[2024-12-05 08:16:01,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087114613] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-05 08:16:01,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [121838955]
[2024-12-05 08:16:01,288 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE
[2024-12-05 08:16:01,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-05 08:16:01,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9de82af-0757-48f8-8848-6e7258c80f4e/bin/ugemcutter-verify-L2ppAeDwQX/z3
[2024-12-05 08:16:01,290 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9de82af-0757-48f8-8848-6e7258c80f4e/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-05 08:16:01,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9de82af-0757-48f8-8848-6e7258c80f4e/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2024-12-05 08:16:01,405 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s)
[2024-12-05 08:16:01,405 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-12-05 08:16:01,406 INFO L256 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-12-05 08:16:01,407 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-05 08:16:01,435 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2024-12-05 08:16:01,435 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-12-05 08:16:01,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [121838955] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-05 08:16:01,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-12-05 08:16:01,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 7
[2024-12-05 08:16:01,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155520750]
[2024-12-05 08:16:01,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-05 08:16:01,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-12-05 08:16:01,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-05 08:16:01,436 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-12-05 08:16:01,436 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2024-12-05 08:16:01,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-12-05 08:16:01,436 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-12-05 08:16:01,437 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-05 08:16:01,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-12-05 08:16:01,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-12-05 08:16:01,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2024-12-05 08:16:01,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2024-12-05 08:16:01,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2024-12-05 08:16:01,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states.
[2024-12-05 08:16:01,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states.
[2024-12-05 08:16:01,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states.
[2024-12-05 08:16:01,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states.
[2024-12-05 08:16:01,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states.
[2024-12-05 08:16:01,437 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-12-05 08:16:03,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-12-05 08:16:03,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-05 08:16:03,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-05 08:16:03,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-05 08:16:03,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-05 08:16:03,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states.
[2024-12-05 08:16:03,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states.
[2024-12-05 08:16:03,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states.
[2024-12-05 08:16:03,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states.
[2024-12-05 08:16:03,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-12-05 08:16:03,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-12-05 08:16:03,119 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining)
[2024-12-05 08:16:03,120 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining)
[2024-12-05 08:16:03,120 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining)
[2024-12-05 08:16:03,125 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9de82af-0757-48f8-8848-6e7258c80f4e/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0
[2024-12-05 08:16:03,320 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9de82af-0757-48f8-8848-6e7258c80f4e/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-05 08:16:03,324 INFO L422 BasicCegarLoop]: Path program histogram: [6, 2, 1, 1, 1]
[2024-12-05 08:16:03,326 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-12-05 08:16:03,326 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-12-05 08:16:03,334 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9de82af-0757-48f8-8848-6e7258c80f4e/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0
[2024-12-05 08:16:03,335 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.12 08:16:03 BasicIcfg
[2024-12-05 08:16:03,335 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-05 08:16:03,335 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-05 08:16:03,335 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-05 08:16:03,335 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-05 08:16:03,336 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 08:15:39" (3/4) ...
[2024-12-05 08:16:03,337 INFO L146 WitnessPrinter]: Generating witness for correct program
[2024-12-05 08:16:03,339 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1
[2024-12-05 08:16:03,339 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2
[2024-12-05 08:16:03,343 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 112 nodes and edges
[2024-12-05 08:16:03,344 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges
[2024-12-05 08:16:03,344 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges
[2024-12-05 08:16:03,344 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2024-12-05 08:16:03,441 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9de82af-0757-48f8-8848-6e7258c80f4e/bin/ugemcutter-verify-L2ppAeDwQX/witness.graphml
[2024-12-05 08:16:03,441 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9de82af-0757-48f8-8848-6e7258c80f4e/bin/ugemcutter-verify-L2ppAeDwQX/witness.yml
[2024-12-05 08:16:03,442 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-05 08:16:03,442 INFO L158 Benchmark]: Toolchain (without parser) took 25030.63ms. Allocated memory was 142.6MB in the beginning and 520.1MB in the end (delta: 377.5MB). Free memory was 115.6MB in the beginning and 315.4MB in the end (delta: -199.8MB). Peak memory consumption was 180.7MB. Max. memory is 16.1GB.
[2024-12-05 08:16:03,443 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory was 83.5MB in the beginning and 83.4MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-05 08:16:03,443 INFO L158 Benchmark]: CACSL2BoogieTranslator took 222.35ms. Allocated memory is still 142.6MB. Free memory was 115.3MB in the beginning and 102.5MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-05 08:16:03,443 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.66ms. Allocated memory is still 142.6MB. Free memory was 102.5MB in the beginning and 100.7MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-05 08:16:03,443 INFO L158 Benchmark]: Boogie Preprocessor took 26.36ms. Allocated memory is still 142.6MB. Free memory was 100.4MB in the beginning and 99.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-05 08:16:03,444 INFO L158 Benchmark]: RCFGBuilder took 706.86ms. Allocated memory is still 142.6MB. Free memory was 99.1MB in the beginning and 88.3MB in the end (delta: 10.8MB). Peak memory consumption was 55.8MB. Max. memory is 16.1GB.
[2024-12-05 08:16:03,444 INFO L158 Benchmark]: TraceAbstraction took 23927.60ms. Allocated memory was 142.6MB in the beginning and 520.1MB in the end (delta: 377.5MB). Free memory was 87.7MB in the beginning and 322.9MB in the end (delta: -235.2MB). Peak memory consumption was 141.7MB. Max. memory is 16.1GB.
[2024-12-05 08:16:03,444 INFO L158 Benchmark]: Witness Printer took 106.48ms. Allocated memory is still 520.1MB. Free memory was 322.9MB in the beginning and 315.4MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-05 08:16:03,446 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory was 83.5MB in the beginning and 83.4MB in the end (delta: 146.8kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 222.35ms. Allocated memory is still 142.6MB. Free memory was 115.3MB in the beginning and 102.5MB in the end (delta: 12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 34.66ms. Allocated memory is still 142.6MB. Free memory was 102.5MB in the beginning and 100.7MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 26.36ms. Allocated memory is still 142.6MB. Free memory was 100.4MB in the beginning and 99.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 706.86ms. Allocated memory is still 142.6MB. Free memory was 99.1MB in the beginning and 88.3MB in the end (delta: 10.8MB). Peak memory consumption was 55.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 23927.60ms. Allocated memory was 142.6MB in the beginning and 520.1MB in the end (delta: 377.5MB). Free memory was 87.7MB in the beginning and 322.9MB in the end (delta: -235.2MB). Peak memory consumption was 141.7MB. Max. memory is 16.1GB.
* Witness Printer took 106.48ms. Allocated memory is still 520.1MB. Free memory was 322.9MB in the beginning and 315.4MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. 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: 1518, independent: 1042, independent conditional: 784, independent unconditional: 258, dependent: 476, dependent conditional: 474, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1044, independent: 1042, independent conditional: 784, independent unconditional: 258, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1044, independent: 1042, independent conditional: 784, independent unconditional: 258, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1044, independent: 1042, independent conditional: 784, independent unconditional: 258, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1044, independent: 1042, independent conditional: 0, independent unconditional: 1042, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1044, independent: 1042, independent conditional: 0, independent unconditional: 1042, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 220, independent: 218, independent conditional: 0, independent unconditional: 218, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 220, independent: 216, independent conditional: 0, independent unconditional: 216, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 280, independent: 155, independent conditional: 0, independent unconditional: 155, dependent: 125, dependent conditional: 0, dependent unconditional: 125, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 1044, independent: 824, independent conditional: 0, independent unconditional: 824, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 220, unknown conditional: 0, unknown unconditional: 220] , Statistics on independence cache: Total cache size (in pairs): 220, Positive cache size: 218, Positive conditional cache size: 0, Positive unconditional cache size: 218, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 784, Maximal queried relation: 0, Independence queries for same thread: 474, Persistent sets #1 benchmarks: Persistent set computation time: 0.3s, Number of persistent set computation: 54, Number of trivial persistent sets: 42, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 260, independent: 258, independent conditional: 0, independent unconditional: 258, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1518, independent: 1042, independent conditional: 784, independent unconditional: 258, dependent: 476, dependent conditional: 474, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1044, independent: 1042, independent conditional: 784, independent unconditional: 258, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1044, independent: 1042, independent conditional: 784, independent unconditional: 258, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1044, independent: 1042, independent conditional: 784, independent unconditional: 258, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1044, independent: 1042, independent conditional: 0, independent unconditional: 1042, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1044, independent: 1042, independent conditional: 0, independent unconditional: 1042, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 220, independent: 218, independent conditional: 0, independent unconditional: 218, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 220, independent: 216, independent conditional: 0, independent unconditional: 216, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 280, independent: 155, independent conditional: 0, independent unconditional: 155, dependent: 125, dependent conditional: 0, dependent unconditional: 125, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 1044, independent: 824, independent conditional: 0, independent unconditional: 824, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 220, unknown conditional: 0, unknown unconditional: 220] , Statistics on independence cache: Total cache size (in pairs): 220, Positive cache size: 218, Positive conditional cache size: 0, Positive unconditional cache size: 218, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 784, Maximal queried relation: 0, Independence queries for same thread: 474
- PositiveResult [Line: 113]: a call to reach_error is unreachable
For all program executions holds that a call to reach_error is unreachable at this location
- StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances
CFG has 5 procedures, 34 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 23.8s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 9.3s, 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: 132, 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, 0.5s SatisfiabilityAnalysisTime, 12.0s InterpolantComputationTime, 445 NumberOfCodeBlocks, 442 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 554 ConstructedInterpolants, 0 QuantifiedInterpolants, 8792 SizeOfPredicates, 91 NumberOfNonLiveVariables, 1281 ConjunctsInSsa, 151 ConjunctsInUnsatCore, 22 InterpolantComputations, 6 PerfectInterpolantSequences, 151/251 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: SuccessfulCommutativityProofs: 0, ConComChecker Statistics: CheckTime [ms]: 52, ConditionCalculationTime [ms]: 0, ConditionCalculations: 22, QuantifiedConditions: 0, TraceChecks: 0, UnknownTraceChecks: 0, ImperfectProofs: 0
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2024-12-05 08:16:03,484 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9de82af-0757-48f8-8848-6e7258c80f4e/bin/ugemcutter-verify-L2ppAeDwQX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE