./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/chl-chromosome-subst.wvr.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version 6497de01
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/chl-chromosome-subst.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )
--witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 60539e5483ee028af31550fcc6bdc40a30b35263f2407e34b5392a698998aa9c
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-23 11:29:03,395 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-23 11:29:03,492 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/config/svcomp-Reach-32bit-GemCutter_Default.epf
[2024-11-23 11:29:03,501 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-23 11:29:03,504 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-23 11:29:03,540 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-23 11:29:03,541 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-23 11:29:03,541 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-23 11:29:03,541 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-23 11:29:03,542 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-23 11:29:03,542 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-23 11:29:03,542 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-23 11:29:03,542 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-23 11:29:03,542 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-23 11:29:03,543 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-23 11:29:03,543 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-23 11:29:03,543 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-23 11:29:03,543 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-23 11:29:03,543 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-23 11:29:03,543 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-23 11:29:03,543 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-23 11:29:03,544 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-23 11:29:03,544 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-23 11:29:03,544 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-23 11:29:03,544 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-23 11:29:03,544 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-23 11:29:03,544 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-23 11:29:03,545 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-23 11:29:03,545 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-23 11:29:03,545 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-23 11:29:03,545 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-11-23 11:29:03,546 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-23 11:29:03,546 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-23 11:29:03,546 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-11-23 11:29:03,546 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT
[2024-11-23 11:29:03,546 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-23 11:29:03,546 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-23 11:29:03,546 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP
[2024-11-23 11:29:03,547 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-23 11:29:03,547 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-23 11:29:03,547 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2024-11-23 11:29:03,547 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2024-11-23 11:29:03,547 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2024-11-23 11:29:03,547 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_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 60539e5483ee028af31550fcc6bdc40a30b35263f2407e34b5392a698998aa9c
[2024-11-23 11:29:03,876 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-23 11:29:03,891 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-23 11:29:03,894 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-23 11:29:03,897 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-23 11:29:03,897 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-23 11:29:03,899 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/../../sv-benchmarks/c/weaver/chl-chromosome-subst.wvr.c
[2024-11-23 11:29:06,799 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/data/969e6a689/4b0aefb3487849808fc7f35c6c2609d3/FLAG0763af3db
[2024-11-23 11:29:07,096 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-23 11:29:07,097 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/sv-benchmarks/c/weaver/chl-chromosome-subst.wvr.c
[2024-11-23 11:29:07,105 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/data/969e6a689/4b0aefb3487849808fc7f35c6c2609d3/FLAG0763af3db
[2024-11-23 11:29:07,128 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/data/969e6a689/4b0aefb3487849808fc7f35c6c2609d3
[2024-11-23 11:29:07,135 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-23 11:29:07,136 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-23 11:29:07,142 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-23 11:29:07,142 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-23 11:29:07,147 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-23 11:29:07,148 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:29:07" (1/1) ...
[2024-11-23 11:29:07,149 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68d04b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:07, skipping insertion in model container
[2024-11-23 11:29:07,149 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:29:07" (1/1) ...
[2024-11-23 11:29:07,172 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-23 11:29:07,403 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_6a92174c-9918-4c94-8b1b-41e94e6bc208/sv-benchmarks/c/weaver/chl-chromosome-subst.wvr.c[3136,3149]
[2024-11-23 11:29:07,420 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-23 11:29:07,435 INFO L200 MainTranslator]: Completed pre-run
[2024-11-23 11:29:07,473 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_6a92174c-9918-4c94-8b1b-41e94e6bc208/sv-benchmarks/c/weaver/chl-chromosome-subst.wvr.c[3136,3149]
[2024-11-23 11:29:07,481 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-23 11:29:07,502 INFO L204 MainTranslator]: Completed translation
[2024-11-23 11:29:07,503 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:07 WrapperNode
[2024-11-23 11:29:07,503 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-23 11:29:07,504 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-23 11:29:07,505 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-23 11:29:07,505 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-23 11:29:07,512 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:07" (1/1) ...
[2024-11-23 11:29:07,524 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:07" (1/1) ...
[2024-11-23 11:29:07,572 INFO L138 Inliner]: procedures = 25, calls = 32, calls flagged for inlining = 17, calls inlined = 25, statements flattened = 265
[2024-11-23 11:29:07,572 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-23 11:29:07,572 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-23 11:29:07,572 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-23 11:29:07,573 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-23 11:29:07,583 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:07" (1/1) ...
[2024-11-23 11:29:07,583 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:07" (1/1) ...
[2024-11-23 11:29:07,586 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:07" (1/1) ...
[2024-11-23 11:29:07,588 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:07" (1/1) ...
[2024-11-23 11:29:07,601 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:07" (1/1) ...
[2024-11-23 11:29:07,603 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:07" (1/1) ...
[2024-11-23 11:29:07,607 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:07" (1/1) ...
[2024-11-23 11:29:07,608 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:07" (1/1) ...
[2024-11-23 11:29:07,610 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:07" (1/1) ...
[2024-11-23 11:29:07,613 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-23 11:29:07,614 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-23 11:29:07,614 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-23 11:29:07,614 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-23 11:29:07,615 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:07" (1/1) ...
[2024-11-23 11:29:07,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-11-23 11:29:07,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3
[2024-11-23 11:29:07,655 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2024-11-23 11:29:07,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2024-11-23 11:29:07,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-23 11:29:07,683 INFO L130 BoogieDeclarations]: Found specification of procedure thread1
[2024-11-23 11:29:07,683 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1
[2024-11-23 11:29:07,683 INFO L130 BoogieDeclarations]: Found specification of procedure thread2
[2024-11-23 11:29:07,683 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2
[2024-11-23 11:29:07,684 INFO L130 BoogieDeclarations]: Found specification of procedure thread3
[2024-11-23 11:29:07,684 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3
[2024-11-23 11:29:07,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2024-11-23 11:29:07,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2024-11-23 11:29:07,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2024-11-23 11:29:07,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-23 11:29:07,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-23 11:29:07,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2024-11-23 11:29:07,686 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-11-23 11:29:07,799 INFO L234 CfgBuilder]: Building ICFG
[2024-11-23 11:29:07,801 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-23 11:29:08,408 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-23 11:29:08,409 INFO L283 CfgBuilder]: Performing block encoding
[2024-11-23 11:29:08,952 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-23 11:29:08,952 INFO L312 CfgBuilder]: Removed 6 assume(true) statements.
[2024-11-23 11:29:08,952 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:29:08 BoogieIcfgContainer
[2024-11-23 11:29:08,952 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-23 11:29:08,955 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-23 11:29:08,955 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-23 11:29:08,960 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-23 11:29:08,960 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:29:07" (1/3) ...
[2024-11-23 11:29:08,961 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ba940ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:29:08, skipping insertion in model container
[2024-11-23 11:29:08,961 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:29:07" (2/3) ...
[2024-11-23 11:29:08,961 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ba940ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:29:08, skipping insertion in model container
[2024-11-23 11:29:08,961 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:29:08" (3/3) ...
[2024-11-23 11:29:08,962 INFO L128 eAbstractionObserver]: Analyzing ICFG chl-chromosome-subst.wvr.c
[2024-11-23 11:29:08,978 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-23 11:29:08,980 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG chl-chromosome-subst.wvr.c that has 4 procedures, 26 locations, 1 initial locations, 6 loop locations, and 1 error locations.
[2024-11-23 11:29:08,980 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-23 11:29:09,059 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions.
[2024-11-23 11:29:09,108 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 11:29:09,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2024-11-23 11:29:09,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3
[2024-11-23 11:29:09,111 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2024-11-23 11:29:09,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2024-11-23 11:29:09,233 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2024-11-23 11:29:09,253 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ========
[2024-11-23 11:29:09,263 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;@20153075, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 11:29:09,263 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2024-11-23 11:29:09,740 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-11-23 11:29:09,741 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-11-23 11:29:09,742 INFO L139 ounterexampleChecker]: Examining path program with hash -1547374760, occurence #1
[2024-11-23 11:29:09,743 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping...
[2024-11-23 11:29:09,743 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-11-23 11:29:09,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 11:29:09,748 INFO L85 PathProgramCache]: Analyzing trace with hash -491046502, now seen corresponding path program 1 times
[2024-11-23 11:29:09,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 11:29:09,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914322977]
[2024-11-23 11:29:09,759 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 11:29:09,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 11:29:09,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 11:29:10,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 11:29:10,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 11:29:10,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914322977]
[2024-11-23 11:29:10,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914322977] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 11:29:10,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 11:29:10,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 11:29:10,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808644338]
[2024-11-23 11:29:10,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 11:29:10,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 11:29:10,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 11:29:10,447 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 11:29:10,448 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 11:29:10,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-23 11:29:10,450 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-11-23 11:29:10,452 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 11:29:10,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-11-23 11:29:10,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 11:29:10,570 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-23 11:29:10,571 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-11-23 11:29:10,571 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-11-23 11:29:10,571 INFO L139 ounterexampleChecker]: Examining path program with hash -1547374760, occurence #2
[2024-11-23 11:29:10,571 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition.
[2024-11-23 11:29:10,571 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0
[2024-11-23 11:29:10,572 INFO L209 ounterexampleChecker]: No commutativity condition found.
[2024-11-23 11:29:10,572 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7
[2024-11-23 11:29:10,616 WARN L190 ounterexampleChecker]: Statements were already independent.
[2024-11-23 11:29:10,617 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10
[2024-11-23 11:29:10,617 WARN L190 ounterexampleChecker]: Statements were already independent.
[2024-11-23 11:29:10,617 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13
[2024-11-23 11:29:10,617 WARN L190 ounterexampleChecker]: Statements were already independent.
[2024-11-23 11:29:10,617 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22
[2024-11-23 11:29:10,618 WARN L190 ounterexampleChecker]: Statements were already independent.
[2024-11-23 11:29:10,618 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25
[2024-11-23 11:29:10,618 INFO L209 ounterexampleChecker]: No commutativity condition found.
[2024-11-23 11:29:10,618 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition.
[2024-11-23 11:29:10,618 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-11-23 11:29:10,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 11:29:10,620 INFO L85 PathProgramCache]: Analyzing trace with hash 97461521, now seen corresponding path program 1 times
[2024-11-23 11:29:10,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 11:29:10,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893120456]
[2024-11-23 11:29:10,621 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 11:29:10,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 11:29:10,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 11:29:11,081 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-11-23 11:29:11,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 11:29:11,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893120456]
[2024-11-23 11:29:11,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893120456] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-23 11:29:11,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [231660475]
[2024-11-23 11:29:11,083 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 11:29:11,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 11:29:11,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3
[2024-11-23 11:29:11,090 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-23 11:29:11,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-23 11:29:11,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 11:29:11,288 INFO L256 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-23 11:29:11,295 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 11:29:11,355 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-11-23 11:29:11,355 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-23 11:29:11,403 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-11-23 11:29:11,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [231660475] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-23 11:29:11,403 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-23 11:29:11,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7
[2024-11-23 11:29:11,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934601686]
[2024-11-23 11:29:11,404 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-23 11:29:11,406 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-11-23 11:29:11,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 11:29:11,407 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-11-23 11:29:11,407 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56
[2024-11-23 11:29:11,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-23 11:29:11,408 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-11-23 11:29:11,408 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 7 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 11:29:11,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-11-23 11:29:11,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-11-23 11:29:11,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 11:29:11,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-23 11:29:11,601 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-11-23 11:29:11,794 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1
[2024-11-23 11:29:11,794 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-11-23 11:29:11,794 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-11-23 11:29:11,794 INFO L139 ounterexampleChecker]: Examining path program with hash -1547374760, occurence #3
[2024-11-23 11:29:11,794 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition.
[2024-11-23 11:29:11,794 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0
[2024-11-23 11:29:11,795 INFO L209 ounterexampleChecker]: No commutativity condition found.
[2024-11-23 11:29:11,795 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16
[2024-11-23 11:29:11,795 WARN L190 ounterexampleChecker]: Statements were already independent.
[2024-11-23 11:29:11,795 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19
[2024-11-23 11:29:11,795 WARN L190 ounterexampleChecker]: Statements were already independent.
[2024-11-23 11:29:11,795 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22
[2024-11-23 11:29:11,795 WARN L190 ounterexampleChecker]: Statements were already independent.
[2024-11-23 11:29:11,795 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31
[2024-11-23 11:29:11,795 WARN L190 ounterexampleChecker]: Statements were already independent.
[2024-11-23 11:29:11,796 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34
[2024-11-23 11:29:11,796 INFO L209 ounterexampleChecker]: No commutativity condition found.
[2024-11-23 11:29:11,796 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition.
[2024-11-23 11:29:11,796 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-11-23 11:29:11,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 11:29:11,796 INFO L85 PathProgramCache]: Analyzing trace with hash 1134529882, now seen corresponding path program 2 times
[2024-11-23 11:29:11,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 11:29:11,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042201057]
[2024-11-23 11:29:11,797 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-23 11:29:11,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 11:29:11,903 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2024-11-23 11:29:11,903 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-23 11:29:12,586 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked.
[2024-11-23 11:29:12,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 11:29:12,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042201057]
[2024-11-23 11:29:12,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042201057] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 11:29:12,588 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 11:29:12,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 11:29:12,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580959499]
[2024-11-23 11:29:12,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 11:29:12,588 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-23 11:29:12,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 11:29:12,589 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 11:29:12,589 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-23 11:29:12,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-23 11:29:12,589 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-11-23 11:29:12,591 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 11:29:12,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-11-23 11:29:12,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states.
[2024-11-23 11:29:12,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-11-23 11:29:12,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 11:29:12,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-23 11:29:12,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 11:29:12,862 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-23 11:29:12,862 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-11-23 11:29:12,862 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-11-23 11:29:12,863 INFO L139 ounterexampleChecker]: Examining path program with hash -1547374760, occurence #4
[2024-11-23 11:29:12,863 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition.
[2024-11-23 11:29:12,864 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0
[2024-11-23 11:29:12,864 INFO L209 ounterexampleChecker]: No commutativity condition found.
[2024-11-23 11:29:12,864 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16
[2024-11-23 11:29:12,864 WARN L190 ounterexampleChecker]: Statements were already independent.
[2024-11-23 11:29:12,864 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19
[2024-11-23 11:29:12,864 WARN L190 ounterexampleChecker]: Statements were already independent.
[2024-11-23 11:29:12,864 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22
[2024-11-23 11:29:12,864 WARN L190 ounterexampleChecker]: Statements were already independent.
[2024-11-23 11:29:12,864 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34
[2024-11-23 11:29:12,865 WARN L190 ounterexampleChecker]: Statements were already independent.
[2024-11-23 11:29:12,865 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37
[2024-11-23 11:29:12,865 INFO L209 ounterexampleChecker]: No commutativity condition found.
[2024-11-23 11:29:12,865 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition.
[2024-11-23 11:29:12,865 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-11-23 11:29:12,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 11:29:12,867 INFO L85 PathProgramCache]: Analyzing trace with hash 1357689699, now seen corresponding path program 1 times
[2024-11-23 11:29:12,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 11:29:12,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214755707]
[2024-11-23 11:29:12,868 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 11:29:12,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 11:29:12,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 11:29:13,343 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked.
[2024-11-23 11:29:13,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 11:29:13,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214755707]
[2024-11-23 11:29:13,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214755707] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-23 11:29:13,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [759064224]
[2024-11-23 11:29:13,344 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 11:29:13,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 11:29:13,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3
[2024-11-23 11:29:13,347 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-23 11:29:13,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-11-23 11:29:13,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 11:29:13,538 INFO L256 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 8 conjuncts are in the unsatisfiable core
[2024-11-23 11:29:13,540 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 11:29:13,642 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked.
[2024-11-23 11:29:13,642 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-23 11:29:13,742 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked.
[2024-11-23 11:29:13,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [759064224] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-23 11:29:13,742 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-23 11:29:13,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 16
[2024-11-23 11:29:13,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259711829]
[2024-11-23 11:29:13,743 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-23 11:29:13,743 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states
[2024-11-23 11:29:13,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 11:29:13,744 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants.
[2024-11-23 11:29:13,744 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=166, Unknown=0, NotChecked=0, Total=272
[2024-11-23 11:29:13,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-23 11:29:13,745 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-11-23 11:29:13,745 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.4705882352941178) internal successors, (42), 16 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 11:29:13,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-11-23 11:29:13,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states.
[2024-11-23 11:29:13,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2024-11-23 11:29:13,745 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-11-23 11:29:13,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 11:29:13,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-23 11:29:13,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 11:29:13,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-11-23 11:29:13,984 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2024-11-23 11:29:14,179 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 11:29:14,179 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-11-23 11:29:14,179 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-11-23 11:29:14,179 INFO L139 ounterexampleChecker]: Examining path program with hash -1547374760, occurence #5
[2024-11-23 11:29:14,179 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition.
[2024-11-23 11:29:14,179 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0
[2024-11-23 11:29:14,180 INFO L209 ounterexampleChecker]: No commutativity condition found.
[2024-11-23 11:29:14,180 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19
[2024-11-23 11:29:14,180 WARN L190 ounterexampleChecker]: Statements were already independent.
[2024-11-23 11:29:14,180 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22
[2024-11-23 11:29:14,180 WARN L190 ounterexampleChecker]: Statements were already independent.
[2024-11-23 11:29:14,180 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25
[2024-11-23 11:29:14,180 WARN L190 ounterexampleChecker]: Statements were already independent.
[2024-11-23 11:29:14,180 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37
[2024-11-23 11:29:14,180 WARN L190 ounterexampleChecker]: Statements were already independent.
[2024-11-23 11:29:14,180 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40
[2024-11-23 11:29:14,180 INFO L209 ounterexampleChecker]: No commutativity condition found.
[2024-11-23 11:29:14,180 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition.
[2024-11-23 11:29:14,180 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-11-23 11:29:14,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 11:29:14,181 INFO L85 PathProgramCache]: Analyzing trace with hash -1059528948, now seen corresponding path program 2 times
[2024-11-23 11:29:14,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 11:29:14,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075156754]
[2024-11-23 11:29:14,181 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-23 11:29:14,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 11:29:14,352 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-11-23 11:29:14,352 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-23 11:29:14,979 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked.
[2024-11-23 11:29:14,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 11:29:14,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075156754]
[2024-11-23 11:29:14,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075156754] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-23 11:29:14,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [3345345]
[2024-11-23 11:29:14,980 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-23 11:29:14,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 11:29:14,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3
[2024-11-23 11:29:14,984 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-23 11:29:14,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-11-23 11:29:15,217 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-11-23 11:29:15,217 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-23 11:29:15,223 INFO L256 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 14 conjuncts are in the unsatisfiable core
[2024-11-23 11:29:15,227 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 11:29:15,499 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked.
[2024-11-23 11:29:15,500 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-23 11:29:15,747 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked.
[2024-11-23 11:29:15,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [3345345] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-23 11:29:15,747 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-23 11:29:15,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 8] total 13
[2024-11-23 11:29:15,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814937632]
[2024-11-23 11:29:15,748 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-23 11:29:15,748 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2024-11-23 11:29:15,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 11:29:15,749 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2024-11-23 11:29:15,749 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156
[2024-11-23 11:29:15,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-23 11:29:15,749 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-11-23 11:29:15,750 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.230769230769231) internal successors, (55), 13 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 11:29:15,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-11-23 11:29:15,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states.
[2024-11-23 11:29:15,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2024-11-23 11:29:15,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states.
[2024-11-23 11:29:15,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-11-23 11:29:16,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 11:29:16,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-23 11:29:16,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 11:29:16,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-11-23 11:29:16,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2024-11-23 11:29:16,144 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2024-11-23 11:29:16,335 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 11:29:16,335 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-11-23 11:29:16,335 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-11-23 11:29:16,335 INFO L139 ounterexampleChecker]: Examining path program with hash -1525734362, occurence #1
[2024-11-23 11:29:16,336 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping...
[2024-11-23 11:29:16,336 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-11-23 11:29:16,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 11:29:16,336 INFO L85 PathProgramCache]: Analyzing trace with hash 1502612140, now seen corresponding path program 3 times
[2024-11-23 11:29:16,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 11:29:16,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661422962]
[2024-11-23 11:29:16,336 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-11-23 11:29:16,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 11:29:16,588 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s)
[2024-11-23 11:29:16,588 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-23 11:29:18,865 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked.
[2024-11-23 11:29:18,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 11:29:18,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661422962]
[2024-11-23 11:29:18,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661422962] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-23 11:29:18,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1178246424]
[2024-11-23 11:29:18,866 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-11-23 11:29:18,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 11:29:18,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3
[2024-11-23 11:29:18,868 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-23 11:29:18,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2024-11-23 11:29:19,069 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s)
[2024-11-23 11:29:19,070 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-23 11:29:19,073 INFO L256 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 46 conjuncts are in the unsatisfiable core
[2024-11-23 11:29:19,077 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 11:29:19,970 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-23 11:29:19,972 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 152 treesize of output 192
[2024-11-23 11:29:20,522 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked.
[2024-11-23 11:29:20,523 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-23 11:29:21,341 INFO L349 Elim1Store]: treesize reduction 22, result has 93.0 percent of original size
[2024-11-23 11:29:21,341 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 86 treesize of output 315
[2024-11-23 11:29:25,006 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked.
[2024-11-23 11:29:25,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1178246424] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-23 11:29:25,007 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-23 11:29:25,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 10] total 30
[2024-11-23 11:29:25,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032424966]
[2024-11-23 11:29:25,007 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-23 11:29:25,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states
[2024-11-23 11:29:25,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 11:29:25,008 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants.
[2024-11-23 11:29:25,009 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=760, Unknown=0, NotChecked=0, Total=870
[2024-11-23 11:29:25,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-23 11:29:25,009 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-11-23 11:29:25,009 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 2.2333333333333334) internal successors, (67), 30 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 11:29:25,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-11-23 11:29:25,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states.
[2024-11-23 11:29:25,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2024-11-23 11:29:25,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states.
[2024-11-23 11:29:25,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states.
[2024-11-23 11:29:25,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-11-23 11:29:27,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 11:29:27,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-23 11:29:27,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 11:29:27,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-11-23 11:29:27,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2024-11-23 11:29:27,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states.
[2024-11-23 11:29:27,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0
[2024-11-23 11:29:27,220 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 11:29:27,220 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-11-23 11:29:27,220 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-11-23 11:29:27,220 INFO L139 ounterexampleChecker]: Examining path program with hash -1525734362, occurence #2
[2024-11-23 11:29:27,220 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition.
[2024-11-23 11:29:27,220 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0
[2024-11-23 11:29:27,220 INFO L209 ounterexampleChecker]: No commutativity condition found.
[2024-11-23 11:29:27,220 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19
[2024-11-23 11:29:27,220 WARN L190 ounterexampleChecker]: Statements were already independent.
[2024-11-23 11:29:27,221 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22
[2024-11-23 11:29:27,221 WARN L190 ounterexampleChecker]: Statements were already independent.
[2024-11-23 11:29:27,221 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25
[2024-11-23 11:29:27,221 WARN L190 ounterexampleChecker]: Statements were already independent.
[2024-11-23 11:29:27,221 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 44
[2024-11-23 11:29:27,221 WARN L190 ounterexampleChecker]: Statements were already independent.
[2024-11-23 11:29:27,221 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 46
[2024-11-23 11:29:27,221 INFO L209 ounterexampleChecker]: No commutativity condition found.
[2024-11-23 11:29:27,221 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition.
[2024-11-23 11:29:27,221 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-11-23 11:29:27,221 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 11:29:27,222 INFO L85 PathProgramCache]: Analyzing trace with hash -228699286, now seen corresponding path program 4 times
[2024-11-23 11:29:27,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 11:29:27,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493554549]
[2024-11-23 11:29:27,222 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2024-11-23 11:29:27,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 11:29:27,531 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2024-11-23 11:29:27,531 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-23 11:29:32,910 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 2 proven. 46 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.
[2024-11-23 11:29:32,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 11:29:32,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493554549]
[2024-11-23 11:29:32,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493554549] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-23 11:29:32,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [828580667]
[2024-11-23 11:29:32,911 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2024-11-23 11:29:32,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 11:29:32,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3
[2024-11-23 11:29:32,917 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-23 11:29:32,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2024-11-23 11:29:33,139 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2024-11-23 11:29:33,139 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-23 11:29:33,143 INFO L256 TraceCheckSpWp]: Trace formula consists of 568 conjuncts, 41 conjuncts are in the unsatisfiable core
[2024-11-23 11:29:33,147 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 11:29:33,761 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-23 11:29:33,761 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 169 treesize of output 241
[2024-11-23 11:29:34,516 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked.
[2024-11-23 11:29:34,517 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-23 11:29:35,559 INFO L349 Elim1Store]: treesize reduction 11, result has 96.6 percent of original size
[2024-11-23 11:29:35,559 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 86 treesize of output 337
[2024-11-23 11:29:39,181 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked.
[2024-11-23 11:29:39,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [828580667] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-23 11:29:39,181 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-23 11:29:39,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 13, 15] total 50
[2024-11-23 11:29:39,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997197270]
[2024-11-23 11:29:39,182 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-23 11:29:39,182 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 50 states
[2024-11-23 11:29:39,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 11:29:39,183 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants.
[2024-11-23 11:29:39,184 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=178, Invalid=2272, Unknown=0, NotChecked=0, Total=2450
[2024-11-23 11:29:39,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-23 11:29:39,185 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-11-23 11:29:39,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 1.72) internal successors, (86), 50 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 11:29:39,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-11-23 11:29:39,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states.
[2024-11-23 11:29:39,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2024-11-23 11:29:39,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states.
[2024-11-23 11:29:39,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states.
[2024-11-23 11:29:39,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states.
[2024-11-23 11:29:39,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-11-23 11:29:46,206 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0]
[2024-11-23 11:29:50,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 11:29:50,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-23 11:29:50,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 11:29:50,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-11-23 11:29:50,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2024-11-23 11:29:50,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states.
[2024-11-23 11:29:50,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states.
[2024-11-23 11:29:50,813 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0
[2024-11-23 11:29:51,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 11:29:51,008 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-11-23 11:29:51,008 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-11-23 11:29:51,008 INFO L139 ounterexampleChecker]: Examining path program with hash -1547374760, occurence #6
[2024-11-23 11:29:51,009 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition.
[2024-11-23 11:29:51,009 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0
[2024-11-23 11:29:51,009 INFO L209 ounterexampleChecker]: No commutativity condition found.
[2024-11-23 11:29:51,009 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19
[2024-11-23 11:29:51,009 WARN L190 ounterexampleChecker]: Statements were already independent.
[2024-11-23 11:29:51,009 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22
[2024-11-23 11:29:51,010 WARN L190 ounterexampleChecker]: Statements were already independent.
[2024-11-23 11:29:51,011 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25
[2024-11-23 11:29:51,011 WARN L190 ounterexampleChecker]: Statements were already independent.
[2024-11-23 11:29:51,011 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 49
[2024-11-23 11:29:51,011 WARN L190 ounterexampleChecker]: Statements were already independent.
[2024-11-23 11:29:51,011 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52
[2024-11-23 11:29:51,011 INFO L209 ounterexampleChecker]: No commutativity condition found.
[2024-11-23 11:29:51,011 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition.
[2024-11-23 11:29:51,011 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-11-23 11:29:51,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 11:29:51,011 INFO L85 PathProgramCache]: Analyzing trace with hash 818907852, now seen corresponding path program 5 times
[2024-11-23 11:29:51,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 11:29:51,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [556463406]
[2024-11-23 11:29:51,011 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2024-11-23 11:29:51,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 11:29:51,149 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s)
[2024-11-23 11:29:51,150 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-23 11:29:51,415 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked.
[2024-11-23 11:29:51,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 11:29:51,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [556463406]
[2024-11-23 11:29:51,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [556463406] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 11:29:51,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 11:29:51,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2024-11-23 11:29:51,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857693888]
[2024-11-23 11:29:51,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 11:29:51,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-11-23 11:29:51,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 11:29:51,416 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-11-23 11:29:51,417 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72
[2024-11-23 11:29:51,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-23 11:29:51,417 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-11-23 11:29:51,417 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 9 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 11:29:51,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-11-23 11:29:51,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states.
[2024-11-23 11:29:51,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2024-11-23 11:29:51,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states.
[2024-11-23 11:29:51,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states.
[2024-11-23 11:29:51,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states.
[2024-11-23 11:29:51,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states.
[2024-11-23 11:29:51,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-11-23 11:29:51,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 11:29:51,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-23 11:29:51,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 11:29:51,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-11-23 11:29:51,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2024-11-23 11:29:51,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states.
[2024-11-23 11:29:51,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states.
[2024-11-23 11:29:51,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2024-11-23 11:29:51,651 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-11-23 11:29:51,651 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-11-23 11:29:51,651 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-11-23 11:29:51,651 INFO L139 ounterexampleChecker]: Examining path program with hash -2079285521, occurence #1
[2024-11-23 11:29:51,652 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping...
[2024-11-23 11:29:51,652 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-11-23 11:29:51,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 11:29:51,652 INFO L85 PathProgramCache]: Analyzing trace with hash 1233784908, now seen corresponding path program 6 times
[2024-11-23 11:29:51,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 11:29:51,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941266732]
[2024-11-23 11:29:51,652 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE
[2024-11-23 11:29:51,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 11:29:51,916 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s)
[2024-11-23 11:29:51,916 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-23 11:29:52,150 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 26 proven. 9 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked.
[2024-11-23 11:29:52,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 11:29:52,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941266732]
[2024-11-23 11:29:52,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941266732] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-23 11:29:52,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [34095965]
[2024-11-23 11:29:52,151 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE
[2024-11-23 11:29:52,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 11:29:52,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3
[2024-11-23 11:29:52,153 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-23 11:29:52,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2024-11-23 11:29:52,523 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s)
[2024-11-23 11:29:52,523 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-23 11:29:52,527 INFO L256 TraceCheckSpWp]: Trace formula consists of 628 conjuncts, 7 conjuncts are in the unsatisfiable core
[2024-11-23 11:29:52,530 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 11:29:52,572 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked.
[2024-11-23 11:29:52,572 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-23 11:29:52,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [34095965] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 11:29:52,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-23 11:29:52,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 9
[2024-11-23 11:29:52,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1116482980]
[2024-11-23 11:29:52,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 11:29:52,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-11-23 11:29:52,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 11:29:52,574 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-11-23 11:29:52,574 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72
[2024-11-23 11:29:52,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-23 11:29:52,575 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-11-23 11:29:52,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.0) internal successors, (40), 8 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 11:29:52,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-11-23 11:29:52,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states.
[2024-11-23 11:29:52,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2024-11-23 11:29:52,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states.
[2024-11-23 11:29:52,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states.
[2024-11-23 11:29:52,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states.
[2024-11-23 11:29:52,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states.
[2024-11-23 11:29:52,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states.
[2024-11-23 11:29:52,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-11-23 11:29:52,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 11:29:52,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-23 11:29:52,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 11:29:52,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-11-23 11:29:52,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2024-11-23 11:29:52,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states.
[2024-11-23 11:29:52,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states.
[2024-11-23 11:29:52,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2024-11-23 11:29:52,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2024-11-23 11:29:52,764 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0
[2024-11-23 11:29:52,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 11:29:52,952 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-11-23 11:29:52,952 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-11-23 11:29:52,952 INFO L139 ounterexampleChecker]: Examining path program with hash 1545508190, occurence #1
[2024-11-23 11:29:52,952 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping...
[2024-11-23 11:29:52,952 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-11-23 11:29:52,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 11:29:52,953 INFO L85 PathProgramCache]: Analyzing trace with hash -615936766, now seen corresponding path program 7 times
[2024-11-23 11:29:52,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 11:29:52,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516674037]
[2024-11-23 11:29:52,953 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY
[2024-11-23 11:29:52,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 11:29:53,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 11:29:58,632 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked.
[2024-11-23 11:29:58,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 11:29:58,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516674037]
[2024-11-23 11:29:58,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516674037] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-23 11:29:58,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1287537162]
[2024-11-23 11:29:58,633 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY
[2024-11-23 11:29:58,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 11:29:58,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3
[2024-11-23 11:29:58,635 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-23 11:29:58,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process
[2024-11-23 11:29:58,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 11:29:58,869 INFO L256 TraceCheckSpWp]: Trace formula consists of 613 conjuncts, 59 conjuncts are in the unsatisfiable core
[2024-11-23 11:29:58,872 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 11:29:59,752 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-23 11:29:59,752 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 52
[2024-11-23 11:30:00,162 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked.
[2024-11-23 11:30:00,163 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-23 11:30:03,652 INFO L349 Elim1Store]: treesize reduction 11, result has 98.9 percent of original size
[2024-11-23 11:30:03,653 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 275 treesize of output 1076
[2024-11-23 11:33:10,736 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory")
[2024-11-23 11:33:10,736 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 101
[2024-11-23 11:33:10,737 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception
[2024-11-23 11:33:10,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0
[2024-11-23 11:33:10,938 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 11:33:10,944 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0
[2024-11-23 11:33:10,945 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver:
de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory")
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262)
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:277)
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.push(Scriptor.java:133)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.push(DiffWrapperScript.java:90)
at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.push(WrapperScript.java:148)
at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.push(HistoryRecordingScript.java:107)
at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:48)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.checkRedundancy(SimplifyDDA2.java:275)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convertForPreprocessedInputTerms(SimplifyDDA2.java:499)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:484)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:1)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:88)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.simplify(SimplifyDDA2.java:590)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:245)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:318)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify(QuantifierPusher.java:728)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:133)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.pushMinionEliminatees(QuantifierPushUtilsForSubsetPush.java:255)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:151)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:337)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:189)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:283)
at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:51)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:234)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:416)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:395)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:267)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:325)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:181)
at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.<init>(TraceCheckSpWp.java:160)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:106)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77)
at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:267)
at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:148)
at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137)
at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.<init>(AutomatonFreeRefinementEngine.java:85)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.<init>(TraceAbstractionRefinementEngine.java:82)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:317)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.isCounterexampleFeasible(PartialOrderCegarLoop.java:320)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:407)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:428)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:314)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:238)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:165)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.<init>(TraceAbstractionStarter.java:140)
at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:132)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63)
Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518)
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701)
at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383)
at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258)
... 70 more
[2024-11-23 11:33:10,951 INFO L158 Benchmark]: Toolchain (without parser) took 243814.32ms. Allocated memory was 142.6MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 119.0MB in the beginning and 987.8MB in the end (delta: -868.8MB). Peak memory consumption was 814.2MB. Max. memory is 16.1GB.
[2024-11-23 11:33:10,951 INFO L158 Benchmark]: CDTParser took 0.85ms. Allocated memory is still 142.6MB. Free memory is still 79.2MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 11:33:10,953 INFO L158 Benchmark]: CACSL2BoogieTranslator took 362.32ms. Allocated memory is still 142.6MB. Free memory was 118.3MB in the beginning and 105.5MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-23 11:33:10,953 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.71ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 103.2MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-23 11:33:10,953 INFO L158 Benchmark]: Boogie Preprocessor took 40.37ms. Allocated memory is still 142.6MB. Free memory was 103.2MB in the beginning and 101.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 11:33:10,954 INFO L158 Benchmark]: RCFGBuilder took 1338.77ms. Allocated memory is still 142.6MB. Free memory was 101.4MB in the beginning and 65.6MB in the end (delta: 35.8MB). Peak memory consumption was 46.9MB. Max. memory is 16.1GB.
[2024-11-23 11:33:10,954 INFO L158 Benchmark]: TraceAbstraction took 241994.89ms. Allocated memory was 142.6MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 65.0MB in the beginning and 987.8MB in the end (delta: -922.8MB). Peak memory consumption was 758.9MB. Max. memory is 16.1GB.
[2024-11-23 11:33:10,956 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.85ms. Allocated memory is still 142.6MB. Free memory is still 79.2MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 362.32ms. Allocated memory is still 142.6MB. Free memory was 118.3MB in the beginning and 105.5MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 67.71ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 103.2MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 40.37ms. Allocated memory is still 142.6MB. Free memory was 103.2MB in the beginning and 101.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 1338.77ms. Allocated memory is still 142.6MB. Free memory was 101.4MB in the beginning and 65.6MB in the end (delta: 35.8MB). Peak memory consumption was 46.9MB. Max. memory is 16.1GB.
* TraceAbstraction took 241994.89ms. Allocated memory was 142.6MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 65.0MB in the beginning and 987.8MB in the end (delta: -922.8MB). Peak memory consumption was 758.9MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory")
de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory")
: de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262)
RESULT: Ultimate could not prove your program: Toolchain returned no result.
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Using bit-precise analysis
Retrying with bit-precise analysis
### Bit-precise run ###
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/chl-chromosome-subst.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )
--witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 60539e5483ee028af31550fcc6bdc40a30b35263f2407e34b5392a698998aa9c
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-23 11:33:13,456 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-23 11:33:13,584 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/config/svcomp-Reach-32bit-GemCutter_Bitvector.epf
[2024-11-23 11:33:13,590 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-23 11:33:13,590 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-23 11:33:13,614 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-23 11:33:13,615 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-23 11:33:13,615 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-23 11:33:13,615 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-23 11:33:13,616 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-23 11:33:13,616 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-23 11:33:13,616 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-23 11:33:13,616 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-23 11:33:13,617 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-23 11:33:13,617 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-23 11:33:13,617 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-23 11:33:13,617 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-23 11:33:13,617 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-23 11:33:13,617 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-23 11:33:13,617 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-23 11:33:13,618 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-23 11:33:13,618 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true
[2024-11-23 11:33:13,618 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-23 11:33:13,618 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-23 11:33:13,618 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-23 11:33:13,618 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-23 11:33:13,618 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-23 11:33:13,619 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-23 11:33:13,619 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-23 11:33:13,619 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-23 11:33:13,619 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-23 11:33:13,619 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-11-23 11:33:13,619 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-23 11:33:13,619 INFO L153 SettingsManager]: * Refinement strategy for commutativity condition synthesis=FOX
[2024-11-23 11:33:13,620 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-23 11:33:13,620 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-11-23 11:33:13,620 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT
[2024-11-23 11:33:13,620 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-23 11:33:13,620 INFO L153 SettingsManager]: * Trace refinement strategy=FOX
[2024-11-23 11:33:13,620 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP
[2024-11-23 11:33:13,620 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt
[2024-11-23 11:33:13,620 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-23 11:33:13,620 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2024-11-23 11:33:13,620 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2024-11-23 11:33:13,621 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2024-11-23 11:33:13,621 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_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 60539e5483ee028af31550fcc6bdc40a30b35263f2407e34b5392a698998aa9c
[2024-11-23 11:33:13,927 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-23 11:33:13,936 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-23 11:33:13,938 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-23 11:33:13,939 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-23 11:33:13,940 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-23 11:33:13,941 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/../../sv-benchmarks/c/weaver/chl-chromosome-subst.wvr.c
[2024-11-23 11:33:17,126 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/data/db95ae30c/42c88c1e534c4a05a12f3a68ed9c8be6/FLAG82a0edc17
[2024-11-23 11:33:17,435 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-23 11:33:17,438 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/sv-benchmarks/c/weaver/chl-chromosome-subst.wvr.c
[2024-11-23 11:33:17,450 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/data/db95ae30c/42c88c1e534c4a05a12f3a68ed9c8be6/FLAG82a0edc17
[2024-11-23 11:33:17,712 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/data/db95ae30c/42c88c1e534c4a05a12f3a68ed9c8be6
[2024-11-23 11:33:17,715 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-23 11:33:17,716 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-23 11:33:17,719 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-23 11:33:17,720 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-23 11:33:17,725 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-23 11:33:17,726 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:33:17" (1/1) ...
[2024-11-23 11:33:17,728 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77902cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:17, skipping insertion in model container
[2024-11-23 11:33:17,729 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:33:17" (1/1) ...
[2024-11-23 11:33:17,753 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-23 11:33:17,983 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_6a92174c-9918-4c94-8b1b-41e94e6bc208/sv-benchmarks/c/weaver/chl-chromosome-subst.wvr.c[3136,3149]
[2024-11-23 11:33:18,004 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-23 11:33:18,020 INFO L200 MainTranslator]: Completed pre-run
[2024-11-23 11:33:18,062 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_6a92174c-9918-4c94-8b1b-41e94e6bc208/sv-benchmarks/c/weaver/chl-chromosome-subst.wvr.c[3136,3149]
[2024-11-23 11:33:18,070 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-23 11:33:18,094 INFO L204 MainTranslator]: Completed translation
[2024-11-23 11:33:18,095 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:18 WrapperNode
[2024-11-23 11:33:18,096 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-23 11:33:18,097 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-23 11:33:18,097 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-23 11:33:18,097 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-23 11:33:18,104 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:18" (1/1) ...
[2024-11-23 11:33:18,116 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:18" (1/1) ...
[2024-11-23 11:33:18,161 INFO L138 Inliner]: procedures = 27, calls = 32, calls flagged for inlining = 17, calls inlined = 25, statements flattened = 259
[2024-11-23 11:33:18,161 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-23 11:33:18,162 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-23 11:33:18,162 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-23 11:33:18,162 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-23 11:33:18,172 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:18" (1/1) ...
[2024-11-23 11:33:18,173 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:18" (1/1) ...
[2024-11-23 11:33:18,180 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:18" (1/1) ...
[2024-11-23 11:33:18,180 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:18" (1/1) ...
[2024-11-23 11:33:18,201 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:18" (1/1) ...
[2024-11-23 11:33:18,208 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:18" (1/1) ...
[2024-11-23 11:33:18,215 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:18" (1/1) ...
[2024-11-23 11:33:18,217 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:18" (1/1) ...
[2024-11-23 11:33:18,223 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:18" (1/1) ...
[2024-11-23 11:33:18,229 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-23 11:33:18,229 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-23 11:33:18,230 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-23 11:33:18,230 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-23 11:33:18,231 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:18" (1/1) ...
[2024-11-23 11:33:18,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-11-23 11:33:18,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3
[2024-11-23 11:33:18,261 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2024-11-23 11:33:18,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2024-11-23 11:33:18,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-23 11:33:18,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1
[2024-11-23 11:33:18,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4
[2024-11-23 11:33:18,292 INFO L130 BoogieDeclarations]: Found specification of procedure thread1
[2024-11-23 11:33:18,292 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1
[2024-11-23 11:33:18,292 INFO L130 BoogieDeclarations]: Found specification of procedure thread2
[2024-11-23 11:33:18,292 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2
[2024-11-23 11:33:18,293 INFO L130 BoogieDeclarations]: Found specification of procedure thread3
[2024-11-23 11:33:18,293 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3
[2024-11-23 11:33:18,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2024-11-23 11:33:18,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-23 11:33:18,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-23 11:33:18,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4
[2024-11-23 11:33:18,296 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-11-23 11:33:18,419 INFO L234 CfgBuilder]: Building ICFG
[2024-11-23 11:33:18,421 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-23 11:33:19,183 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-23 11:33:19,183 INFO L283 CfgBuilder]: Performing block encoding
[2024-11-23 11:33:19,796 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-23 11:33:19,796 INFO L312 CfgBuilder]: Removed 6 assume(true) statements.
[2024-11-23 11:33:19,797 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:33:19 BoogieIcfgContainer
[2024-11-23 11:33:19,797 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-23 11:33:19,799 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-23 11:33:19,799 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-23 11:33:19,804 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-23 11:33:19,804 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:33:17" (1/3) ...
[2024-11-23 11:33:19,805 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60f3d166 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:33:19, skipping insertion in model container
[2024-11-23 11:33:19,805 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:33:18" (2/3) ...
[2024-11-23 11:33:19,805 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60f3d166 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:33:19, skipping insertion in model container
[2024-11-23 11:33:19,806 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:33:19" (3/3) ...
[2024-11-23 11:33:19,807 INFO L128 eAbstractionObserver]: Analyzing ICFG chl-chromosome-subst.wvr.c
[2024-11-23 11:33:19,824 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-23 11:33:19,825 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG chl-chromosome-subst.wvr.c that has 4 procedures, 26 locations, 1 initial locations, 6 loop locations, and 1 error locations.
[2024-11-23 11:33:19,826 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-23 11:33:19,927 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions.
[2024-11-23 11:33:19,991 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 11:33:19,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2024-11-23 11:33:19,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3
[2024-11-23 11:33:19,994 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2024-11-23 11:33:19,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2024-11-23 11:33:20,084 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2024-11-23 11:33:20,104 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ========
[2024-11-23 11:33:20,113 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;@3ff9f5d8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 11:33:20,114 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2024-11-23 11:33:20,680 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-11-23 11:33:20,680 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-11-23 11:33:20,681 INFO L139 ounterexampleChecker]: Examining path program with hash -1470950888, occurence #1
[2024-11-23 11:33:20,682 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping...
[2024-11-23 11:33:20,682 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-11-23 11:33:20,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 11:33:20,688 INFO L85 PathProgramCache]: Analyzing trace with hash -1853381290, now seen corresponding path program 1 times
[2024-11-23 11:33:20,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-23 11:33:20,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [962604735]
[2024-11-23 11:33:20,705 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 11:33:20,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 11:33:20,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3
[2024-11-23 11:33:20,721 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-23 11:33:20,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-23 11:33:20,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 11:33:20,935 INFO L256 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-23 11:33:20,941 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 11:33:21,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 11:33:21,263 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-23 11:33:21,265 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-23 11:33:21,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [962604735]
[2024-11-23 11:33:21,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [962604735] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 11:33:21,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 11:33:21,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-23 11:33:21,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456480467]
[2024-11-23 11:33:21,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 11:33:21,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-23 11:33:21,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-23 11:33:21,298 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 11:33:21,299 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-23 11:33:21,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-23 11:33:21,302 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-11-23 11:33:21,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 11:33:21,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-11-23 11:33:21,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 11:33:21,757 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2024-11-23 11:33:21,943 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 11:33:21,944 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-11-23 11:33:21,944 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-11-23 11:33:21,944 INFO L139 ounterexampleChecker]: Examining path program with hash -1470950888, occurence #2
[2024-11-23 11:33:21,944 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition.
[2024-11-23 11:33:21,945 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0
[2024-11-23 11:33:21,945 INFO L209 ounterexampleChecker]: No commutativity condition found.
[2024-11-23 11:33:21,945 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4
[2024-11-23 11:33:21,983 WARN L190 ounterexampleChecker]: Statements were already independent.
[2024-11-23 11:33:21,983 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7
[2024-11-23 11:33:21,983 WARN L190 ounterexampleChecker]: Statements were already independent.
[2024-11-23 11:33:21,984 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10
[2024-11-23 11:33:21,984 WARN L190 ounterexampleChecker]: Statements were already independent.
[2024-11-23 11:33:21,984 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22
[2024-11-23 11:33:21,984 WARN L190 ounterexampleChecker]: Statements were already independent.
[2024-11-23 11:33:21,984 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25
[2024-11-23 11:33:21,985 INFO L209 ounterexampleChecker]: No commutativity condition found.
[2024-11-23 11:33:21,985 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition.
[2024-11-23 11:33:21,985 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-11-23 11:33:21,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 11:33:21,986 INFO L85 PathProgramCache]: Analyzing trace with hash 1693162331, now seen corresponding path program 1 times
[2024-11-23 11:33:21,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-23 11:33:21,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [309666718]
[2024-11-23 11:33:21,989 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 11:33:21,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 11:33:21,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3
[2024-11-23 11:33:21,992 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-23 11:33:21,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-11-23 11:33:22,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 11:33:22,184 INFO L256 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-23 11:33:22,186 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 11:33:22,209 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2024-11-23 11:33:22,211 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-23 11:33:22,211 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-23 11:33:22,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [309666718]
[2024-11-23 11:33:22,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [309666718] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 11:33:22,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 11:33:22,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 11:33:22,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822263624]
[2024-11-23 11:33:22,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 11:33:22,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 11:33:22,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-23 11:33:22,214 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 11:33:22,214 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 11:33:22,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-23 11:33:22,215 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-11-23 11:33:22,215 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 11:33:22,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2024-11-23 11:33:22,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-11-23 11:33:22,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 11:33:22,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 11:33:22,392 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2024-11-23 11:33:22,584 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 11:33:22,585 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-11-23 11:33:22,585 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-11-23 11:33:22,585 INFO L139 ounterexampleChecker]: Examining path program with hash -1470950888, occurence #3
[2024-11-23 11:33:22,585 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition.
[2024-11-23 11:33:22,585 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0
[2024-11-23 11:33:22,585 INFO L209 ounterexampleChecker]: No commutativity condition found.
[2024-11-23 11:33:22,586 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7
[2024-11-23 11:33:22,586 WARN L190 ounterexampleChecker]: Statements were already independent.
[2024-11-23 11:33:22,586 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10
[2024-11-23 11:33:22,586 WARN L190 ounterexampleChecker]: Statements were already independent.
[2024-11-23 11:33:22,586 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13
[2024-11-23 11:33:22,586 WARN L190 ounterexampleChecker]: Statements were already independent.
[2024-11-23 11:33:22,586 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25
[2024-11-23 11:33:22,586 WARN L190 ounterexampleChecker]: Statements were already independent.
[2024-11-23 11:33:22,586 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28
[2024-11-23 11:33:22,586 INFO L209 ounterexampleChecker]: No commutativity condition found.
[2024-11-23 11:33:22,586 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition.
[2024-11-23 11:33:22,586 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-11-23 11:33:22,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 11:33:22,587 INFO L85 PathProgramCache]: Analyzing trace with hash 777965200, now seen corresponding path program 1 times
[2024-11-23 11:33:22,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-23 11:33:22,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [159487898]
[2024-11-23 11:33:22,588 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 11:33:22,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 11:33:22,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3
[2024-11-23 11:33:22,592 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-23 11:33:22,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-11-23 11:33:22,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 11:33:22,768 INFO L256 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-11-23 11:33:22,770 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 11:33:22,805 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2024-11-23 11:33:22,806 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-23 11:33:22,843 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2024-11-23 11:33:22,843 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-23 11:33:22,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [159487898]
[2024-11-23 11:33:22,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [159487898] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-23 11:33:22,844 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-23 11:33:22,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5
[2024-11-23 11:33:22,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051717317]
[2024-11-23 11:33:22,844 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-23 11:33:22,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-23 11:33:22,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-23 11:33:22,845 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-23 11:33:22,846 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-23 11:33:22,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-23 11:33:22,846 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-11-23 11:33:22,846 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 11:33:22,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2024-11-23 11:33:22,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-11-23 11:33:22,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-11-23 11:33:23,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 11:33:23,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 11:33:23,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-23 11:33:23,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0
[2024-11-23 11:33:23,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 11:33:23,333 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-11-23 11:33:23,333 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-11-23 11:33:23,333 INFO L139 ounterexampleChecker]: Examining path program with hash -1470950888, occurence #4
[2024-11-23 11:33:23,333 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition.
[2024-11-23 11:33:23,334 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0
[2024-11-23 11:33:23,334 INFO L209 ounterexampleChecker]: No commutativity condition found.
[2024-11-23 11:33:23,334 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16
[2024-11-23 11:33:23,334 WARN L190 ounterexampleChecker]: Statements were already independent.
[2024-11-23 11:33:23,334 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19
[2024-11-23 11:33:23,334 WARN L190 ounterexampleChecker]: Statements were already independent.
[2024-11-23 11:33:23,334 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22
[2024-11-23 11:33:23,334 WARN L190 ounterexampleChecker]: Statements were already independent.
[2024-11-23 11:33:23,334 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34
[2024-11-23 11:33:23,334 WARN L190 ounterexampleChecker]: Statements were already independent.
[2024-11-23 11:33:23,335 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37
[2024-11-23 11:33:23,335 INFO L209 ounterexampleChecker]: No commutativity condition found.
[2024-11-23 11:33:23,335 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition.
[2024-11-23 11:33:23,335 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-11-23 11:33:23,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 11:33:23,335 INFO L85 PathProgramCache]: Analyzing trace with hash 1078442139, now seen corresponding path program 2 times
[2024-11-23 11:33:23,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-23 11:33:23,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [314872585]
[2024-11-23 11:33:23,336 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-23 11:33:23,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 11:33:23,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3
[2024-11-23 11:33:23,340 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-23 11:33:23,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2024-11-23 11:33:23,579 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-11-23 11:33:23,579 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-23 11:33:23,589 INFO L256 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 9 conjuncts are in the unsatisfiable core
[2024-11-23 11:33:23,592 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 11:33:23,679 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked.
[2024-11-23 11:33:23,679 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-23 11:33:23,852 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked.
[2024-11-23 11:33:23,853 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-23 11:33:23,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [314872585]
[2024-11-23 11:33:23,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [314872585] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-23 11:33:23,853 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-23 11:33:23,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11
[2024-11-23 11:33:23,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494154781]
[2024-11-23 11:33:23,853 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-23 11:33:23,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2024-11-23 11:33:23,854 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-23 11:33:23,854 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2024-11-23 11:33:23,855 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132
[2024-11-23 11:33:23,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-23 11:33:23,855 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-11-23 11:33:23,856 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 3.0) internal successors, (36), 11 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 11:33:23,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2024-11-23 11:33:23,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-11-23 11:33:23,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states.
[2024-11-23 11:33:23,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-11-23 11:33:24,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 11:33:24,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 11:33:24,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-23 11:33:24,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-11-23 11:33:24,423 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0
[2024-11-23 11:33:24,611 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 11:33:24,611 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-11-23 11:33:24,611 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-11-23 11:33:24,611 INFO L139 ounterexampleChecker]: Examining path program with hash -1470950888, occurence #5
[2024-11-23 11:33:24,611 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition.
[2024-11-23 11:33:24,612 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0
[2024-11-23 11:33:24,612 INFO L209 ounterexampleChecker]: No commutativity condition found.
[2024-11-23 11:33:24,612 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19
[2024-11-23 11:33:24,612 WARN L190 ounterexampleChecker]: Statements were already independent.
[2024-11-23 11:33:24,612 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22
[2024-11-23 11:33:24,612 WARN L190 ounterexampleChecker]: Statements were already independent.
[2024-11-23 11:33:24,612 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25
[2024-11-23 11:33:24,612 WARN L190 ounterexampleChecker]: Statements were already independent.
[2024-11-23 11:33:24,612 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37
[2024-11-23 11:33:24,612 WARN L190 ounterexampleChecker]: Statements were already independent.
[2024-11-23 11:33:24,612 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40
[2024-11-23 11:33:24,612 INFO L209 ounterexampleChecker]: No commutativity condition found.
[2024-11-23 11:33:24,612 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition.
[2024-11-23 11:33:24,612 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-11-23 11:33:24,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 11:33:24,613 INFO L85 PathProgramCache]: Analyzing trace with hash -1433659312, now seen corresponding path program 3 times
[2024-11-23 11:33:24,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-23 11:33:24,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1000805626]
[2024-11-23 11:33:24,614 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-11-23 11:33:24,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 11:33:24,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3
[2024-11-23 11:33:24,617 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-23 11:33:24,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2024-11-23 11:33:24,843 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s)
[2024-11-23 11:33:24,847 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-23 11:33:24,857 INFO L256 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 9 conjuncts are in the unsatisfiable core
[2024-11-23 11:33:24,859 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 11:33:25,004 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked.
[2024-11-23 11:33:25,004 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-23 11:33:25,244 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked.
[2024-11-23 11:33:25,244 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-23 11:33:25,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1000805626]
[2024-11-23 11:33:25,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1000805626] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-23 11:33:25,245 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-23 11:33:25,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11
[2024-11-23 11:33:25,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367381721]
[2024-11-23 11:33:25,245 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-23 11:33:25,245 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2024-11-23 11:33:25,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-23 11:33:25,246 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2024-11-23 11:33:25,246 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110
[2024-11-23 11:33:25,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-23 11:33:25,246 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-11-23 11:33:25,247 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.2727272727272725) internal successors, (47), 11 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 11:33:25,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2024-11-23 11:33:25,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-11-23 11:33:25,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states.
[2024-11-23 11:33:25,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states.
[2024-11-23 11:33:25,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-11-23 11:33:25,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 11:33:25,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 11:33:25,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-23 11:33:25,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-11-23 11:33:25,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states.
[2024-11-23 11:33:25,963 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0
[2024-11-23 11:33:26,152 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 11:33:26,153 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-11-23 11:33:26,153 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-11-23 11:33:26,153 INFO L139 ounterexampleChecker]: Examining path program with hash -215262078, occurence #1
[2024-11-23 11:33:26,154 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping...
[2024-11-23 11:33:26,154 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-11-23 11:33:26,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 11:33:26,155 INFO L85 PathProgramCache]: Analyzing trace with hash 2134240787, now seen corresponding path program 4 times
[2024-11-23 11:33:26,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-23 11:33:26,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1021342776]
[2024-11-23 11:33:26,156 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2024-11-23 11:33:26,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 11:33:26,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3
[2024-11-23 11:33:26,159 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-23 11:33:26,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2024-11-23 11:33:36,555 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2024-11-23 11:33:36,555 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-23 11:33:36,580 INFO L256 TraceCheckSpWp]: Trace formula consists of 356 conjuncts, 7 conjuncts are in the unsatisfiable core
[2024-11-23 11:33:36,584 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 11:33:36,712 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 20 proven. 15 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked.
[2024-11-23 11:33:36,712 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-23 11:33:36,890 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 20 proven. 15 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked.
[2024-11-23 11:33:36,890 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-23 11:33:36,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1021342776]
[2024-11-23 11:33:36,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1021342776] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-23 11:33:36,891 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-23 11:33:36,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14
[2024-11-23 11:33:36,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468299204]
[2024-11-23 11:33:36,891 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-23 11:33:36,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2024-11-23 11:33:36,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-23 11:33:36,892 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2024-11-23 11:33:36,893 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182
[2024-11-23 11:33:36,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-23 11:33:36,893 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-11-23 11:33:36,893 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.142857142857143) internal successors, (58), 14 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 11:33:36,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2024-11-23 11:33:36,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-11-23 11:33:36,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states.
[2024-11-23 11:33:36,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states.
[2024-11-23 11:33:36,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states.
[2024-11-23 11:33:36,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-11-23 11:33:37,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 11:33:37,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 11:33:37,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-23 11:33:37,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-11-23 11:33:37,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states.
[2024-11-23 11:33:37,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2024-11-23 11:33:37,533 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0
[2024-11-23 11:33:37,717 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 11:33:37,717 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-11-23 11:33:37,717 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-11-23 11:33:37,717 INFO L139 ounterexampleChecker]: Examining path program with hash -1470950888, occurence #6
[2024-11-23 11:33:37,717 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition.
[2024-11-23 11:33:37,717 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0
[2024-11-23 11:33:37,717 INFO L209 ounterexampleChecker]: No commutativity condition found.
[2024-11-23 11:33:37,718 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19
[2024-11-23 11:33:37,718 WARN L190 ounterexampleChecker]: Statements were already independent.
[2024-11-23 11:33:37,718 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22
[2024-11-23 11:33:37,718 WARN L190 ounterexampleChecker]: Statements were already independent.
[2024-11-23 11:33:37,718 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25
[2024-11-23 11:33:37,718 WARN L190 ounterexampleChecker]: Statements were already independent.
[2024-11-23 11:33:37,718 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45
[2024-11-23 11:33:37,718 WARN L190 ounterexampleChecker]: Statements were already independent.
[2024-11-23 11:33:37,718 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48
[2024-11-23 11:33:37,718 INFO L209 ounterexampleChecker]: No commutativity condition found.
[2024-11-23 11:33:37,718 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition.
[2024-11-23 11:33:37,718 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-11-23 11:33:37,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 11:33:37,719 INFO L85 PathProgramCache]: Analyzing trace with hash -1467418279, now seen corresponding path program 5 times
[2024-11-23 11:33:37,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-23 11:33:37,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1277353272]
[2024-11-23 11:33:37,720 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2024-11-23 11:33:37,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 11:33:37,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3
[2024-11-23 11:33:37,722 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-23 11:33:37,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process
[2024-11-23 11:33:38,838 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s)
[2024-11-23 11:33:38,839 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-23 11:33:38,851 INFO L256 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 7 conjuncts are in the unsatisfiable core
[2024-11-23 11:33:38,854 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 11:33:38,944 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked.
[2024-11-23 11:33:38,944 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-23 11:33:39,111 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked.
[2024-11-23 11:33:39,112 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace
[2024-11-23 11:33:39,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1277353272]
[2024-11-23 11:33:39,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1277353272] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-23 11:33:39,112 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-23 11:33:39,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14
[2024-11-23 11:33:39,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599531462]
[2024-11-23 11:33:39,112 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-23 11:33:39,112 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2024-11-23 11:33:39,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX
[2024-11-23 11:33:39,113 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2024-11-23 11:33:39,113 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182
[2024-11-23 11:33:39,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-23 11:33:39,113 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-11-23 11:33:39,114 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.142857142857143) internal successors, (58), 14 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 11:33:39,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2024-11-23 11:33:39,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-11-23 11:33:39,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states.
[2024-11-23 11:33:39,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states.
[2024-11-23 11:33:39,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states.
[2024-11-23 11:33:39,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states.
[2024-11-23 11:33:39,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-11-23 11:33:39,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 11:33:39,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 11:33:39,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-23 11:33:39,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-11-23 11:33:39,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states.
[2024-11-23 11:33:39,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2024-11-23 11:33:39,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2024-11-23 11:33:39,714 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0
[2024-11-23 11:33:39,900 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 11:33:39,900 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-11-23 11:33:39,900 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-11-23 11:33:39,900 INFO L139 ounterexampleChecker]: Examining path program with hash -215262078, occurence #2
[2024-11-23 11:33:39,900 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition.
[2024-11-23 11:33:39,900 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0
[2024-11-23 11:33:39,900 INFO L209 ounterexampleChecker]: No commutativity condition found.
[2024-11-23 11:33:39,900 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19
[2024-11-23 11:33:39,900 WARN L190 ounterexampleChecker]: Statements were already independent.
[2024-11-23 11:33:39,901 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22
[2024-11-23 11:33:39,901 WARN L190 ounterexampleChecker]: Statements were already independent.
[2024-11-23 11:33:39,901 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25
[2024-11-23 11:33:39,901 WARN L190 ounterexampleChecker]: Statements were already independent.
[2024-11-23 11:33:39,901 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43
[2024-11-23 11:33:39,901 WARN L190 ounterexampleChecker]: Statements were already independent.
[2024-11-23 11:33:39,901 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45
[2024-11-23 11:33:39,901 INFO L209 ounterexampleChecker]: No commutativity condition found.
[2024-11-23 11:33:39,901 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition.
[2024-11-23 11:33:39,901 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-11-23 11:33:39,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 11:33:39,902 INFO L85 PathProgramCache]: Analyzing trace with hash 1062420188, now seen corresponding path program 6 times
[2024-11-23 11:33:39,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX
[2024-11-23 11:33:39,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1887773324]
[2024-11-23 11:33:39,902 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE
[2024-11-23 11:33:39,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 11:33:39,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3
[2024-11-23 11:33:39,904 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-23 11:33:39,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a92174c-9918-4c94-8b1b-41e94e6bc208/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process
[2024-11-23 11:33:40,284 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s)
[2024-11-23 11:33:40,284 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-23 11:33:40,292 INFO L256 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 28 conjuncts are in the unsatisfiable core
[2024-11-23 11:33:40,295 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 11:33:41,546 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2024-11-23 11:33:41,547 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 212 treesize of output 236
[2024-11-23 11:33:43,879 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked.
[2024-11-23 11:33:43,880 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-23 11:33:49,405 INFO L349 Elim1Store]: treesize reduction 191, result has 80.1 percent of original size
[2024-11-23 11:33:49,405 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 339 treesize of output 884