./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/weaver/chl-poker-hand-trans.wvr.c --full-output --architecture 32bit


--------------------------------------------------------------------------------


Checking for ERROR reachability
Using default analysis
Version 0e0057cc
Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d589418-4aab-4ffb-91f9-d9e3aaf539f7/bin/ugemcutter-verify-oI9GxRtH0S/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d589418-4aab-4ffb-91f9-d9e3aaf539f7/bin/ugemcutter-verify-oI9GxRtH0S/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d589418-4aab-4ffb-91f9-d9e3aaf539f7/bin/ugemcutter-verify-oI9GxRtH0S/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d589418-4aab-4ffb-91f9-d9e3aaf539f7/bin/ugemcutter-verify-oI9GxRtH0S/config/GemCutterReach.xml -i ../../sv-benchmarks/c/weaver/chl-poker-hand-trans.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d589418-4aab-4ffb-91f9-d9e3aaf539f7/bin/ugemcutter-verify-oI9GxRtH0S/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d589418-4aab-4ffb-91f9-d9e3aaf539f7/bin/ugemcutter-verify-oI9GxRtH0S --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 0028e6fa5bf865c1068c8d55bf1863ae46985780e15895ccbb76824c97a247a7
--- Real Ultimate output ---
This is Ultimate 0.2.4-dev-0e0057c
[2023-11-24 22:07:40,457 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-11-24 22:07:40,529 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d589418-4aab-4ffb-91f9-d9e3aaf539f7/bin/ugemcutter-verify-oI9GxRtH0S/config/svcomp-Reach-32bit-GemCutter_Default.epf
[2023-11-24 22:07:40,535 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-11-24 22:07:40,536 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-24 22:07:40,562 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-24 22:07:40,563 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-24 22:07:40,563 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-24 22:07:40,564 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-24 22:07:40,565 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-24 22:07:40,566 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-24 22:07:40,567 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-11-24 22:07:40,567 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-11-24 22:07:40,568 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-24 22:07:40,569 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-11-24 22:07:40,570 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-11-24 22:07:40,570 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-11-24 22:07:40,571 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-11-24 22:07:40,572 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-11-24 22:07:40,573 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-11-24 22:07:40,573 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-24 22:07:40,574 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-11-24 22:07:40,575 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-11-24 22:07:40,576 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-11-24 22:07:40,576 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-11-24 22:07:40,577 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-24 22:07:40,578 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-11-24 22:07:40,594 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-11-24 22:07:40,594 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-11-24 22:07:40,595 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-24 22:07:40,596 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-24 22:07:40,596 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-11-24 22:07:40,597 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-24 22:07:40,597 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-11-24 22:07:40,597 INFO  L153        SettingsManager]:  * DFS Order used in POR=LOOP_LOCKSTEP
[2023-11-24 22:07:40,598 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-24 22:07:40,598 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-11-24 22:07:40,598 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2023-11-24 22:07:40,598 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-24 22:07:40,599 INFO  L153        SettingsManager]:  * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2023-11-24 22:07:40,599 INFO  L153        SettingsManager]:  * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2023-11-24 22:07:40,603 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d589418-4aab-4ffb-91f9-d9e3aaf539f7/bin/ugemcutter-verify-oI9GxRtH0S/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
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_0d589418-4aab-4ffb-91f9-d9e3aaf539f7/bin/ugemcutter-verify-oI9GxRtH0S
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 -> 0028e6fa5bf865c1068c8d55bf1863ae46985780e15895ccbb76824c97a247a7
[2023-11-24 22:07:40,987 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-24 22:07:41,039 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-24 22:07:41,042 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-24 22:07:41,043 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-11-24 22:07:41,045 INFO  L274        PluginConnector]: CDTParser initialized
[2023-11-24 22:07:41,046 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d589418-4aab-4ffb-91f9-d9e3aaf539f7/bin/ugemcutter-verify-oI9GxRtH0S/../../sv-benchmarks/c/weaver/chl-poker-hand-trans.wvr.c
[2023-11-24 22:07:44,167 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-11-24 22:07:44,493 INFO  L384              CDTParser]: Found 1 translation units.
[2023-11-24 22:07:44,494 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d589418-4aab-4ffb-91f9-d9e3aaf539f7/sv-benchmarks/c/weaver/chl-poker-hand-trans.wvr.c
[2023-11-24 22:07:44,515 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d589418-4aab-4ffb-91f9-d9e3aaf539f7/bin/ugemcutter-verify-oI9GxRtH0S/data/fbf62e56e/0db5fab5fa544f47903c4450b6a6bc52/FLAGa07e6bf8a
[2023-11-24 22:07:44,535 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d589418-4aab-4ffb-91f9-d9e3aaf539f7/bin/ugemcutter-verify-oI9GxRtH0S/data/fbf62e56e/0db5fab5fa544f47903c4450b6a6bc52
[2023-11-24 22:07:44,542 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-24 22:07:44,544 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-24 22:07:44,548 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-24 22:07:44,548 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-24 22:07:44,555 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-24 22:07:44,556 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:07:44" (1/1) ...
[2023-11-24 22:07:44,557 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@805a04f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:07:44, skipping insertion in model container
[2023-11-24 22:07:44,557 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:07:44" (1/1) ...
[2023-11-24 22:07:44,617 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-11-24 22:07:44,993 WARN  L240   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_0d589418-4aab-4ffb-91f9-d9e3aaf539f7/sv-benchmarks/c/weaver/chl-poker-hand-trans.wvr.c[18913,18926]
[2023-11-24 22:07:45,005 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-24 22:07:45,025 INFO  L202         MainTranslator]: Completed pre-run
[2023-11-24 22:07:45,123 WARN  L240   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_0d589418-4aab-4ffb-91f9-d9e3aaf539f7/sv-benchmarks/c/weaver/chl-poker-hand-trans.wvr.c[18913,18926]
[2023-11-24 22:07:45,127 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-24 22:07:45,138 WARN  L675               CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler.
[2023-11-24 22:07:45,138 WARN  L675               CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler.
[2023-11-24 22:07:45,163 INFO  L206         MainTranslator]: Completed translation
[2023-11-24 22:07:45,163 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:07:45 WrapperNode
[2023-11-24 22:07:45,164 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-24 22:07:45,165 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-24 22:07:45,165 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-24 22:07:45,165 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-24 22:07:45,175 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:07:45" (1/1) ...
[2023-11-24 22:07:45,230 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:07:45" (1/1) ...
[2023-11-24 22:07:45,349 INFO  L138                Inliner]: procedures = 26, calls = 454, calls flagged for inlining = 100, calls inlined = 144, statements flattened = 2379
[2023-11-24 22:07:45,350 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-24 22:07:45,351 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-24 22:07:45,351 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-24 22:07:45,351 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-11-24 22:07:45,362 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:07:45" (1/1) ...
[2023-11-24 22:07:45,363 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:07:45" (1/1) ...
[2023-11-24 22:07:45,380 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:07:45" (1/1) ...
[2023-11-24 22:07:45,380 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:07:45" (1/1) ...
[2023-11-24 22:07:45,506 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:07:45" (1/1) ...
[2023-11-24 22:07:45,544 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:07:45" (1/1) ...
[2023-11-24 22:07:45,560 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:07:45" (1/1) ...
[2023-11-24 22:07:45,582 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:07:45" (1/1) ...
[2023-11-24 22:07:45,606 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-24 22:07:45,609 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-24 22:07:45,609 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-11-24 22:07:45,610 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-11-24 22:07:45,611 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:07:45" (1/1) ...
[2023-11-24 22:07:45,617 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-24 22:07:45,630 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d589418-4aab-4ffb-91f9-d9e3aaf539f7/bin/ugemcutter-verify-oI9GxRtH0S/z3
[2023-11-24 22:07:45,646 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d589418-4aab-4ffb-91f9-d9e3aaf539f7/bin/ugemcutter-verify-oI9GxRtH0S/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-24 22:07:45,687 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d589418-4aab-4ffb-91f9-d9e3aaf539f7/bin/ugemcutter-verify-oI9GxRtH0S/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-24 22:07:45,699 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-24 22:07:45,699 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-11-24 22:07:45,699 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2023-11-24 22:07:45,699 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2023-11-24 22:07:45,699 INFO  L130     BoogieDeclarations]: Found specification of procedure thread1
[2023-11-24 22:07:45,700 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread1
[2023-11-24 22:07:45,700 INFO  L130     BoogieDeclarations]: Found specification of procedure thread2
[2023-11-24 22:07:45,700 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread2
[2023-11-24 22:07:45,700 INFO  L130     BoogieDeclarations]: Found specification of procedure thread3
[2023-11-24 22:07:45,702 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread3
[2023-11-24 22:07:45,702 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-24 22:07:45,702 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2023-11-24 22:07:45,702 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2023-11-24 22:07:45,703 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2023-11-24 22:07:45,703 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-24 22:07:45,703 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-24 22:07:45,703 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-11-24 22:07:45,706 WARN  L213             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement
[2023-11-24 22:07:46,035 INFO  L241             CfgBuilder]: Building ICFG
[2023-11-24 22:07:46,038 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-24 22:07:48,475 INFO  L282             CfgBuilder]: Performing block encoding
[2023-11-24 22:07:51,963 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-24 22:07:51,963 INFO  L309             CfgBuilder]: Removed 18 assume(true) statements.
[2023-11-24 22:07:51,964 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:07:51 BoogieIcfgContainer
[2023-11-24 22:07:51,964 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-24 22:07:51,966 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-24 22:07:51,966 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-11-24 22:07:51,970 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-11-24 22:07:51,970 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 10:07:44" (1/3) ...
[2023-11-24 22:07:51,971 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7edc3c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 10:07:51, skipping insertion in model container
[2023-11-24 22:07:51,971 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:07:45" (2/3) ...
[2023-11-24 22:07:51,971 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7edc3c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 10:07:51, skipping insertion in model container
[2023-11-24 22:07:51,971 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:07:51" (3/3) ...
[2023-11-24 22:07:51,973 INFO  L112   eAbstractionObserver]: Analyzing ICFG chl-poker-hand-trans.wvr.c
[2023-11-24 22:07:51,983 WARN  L145   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2023-11-24 22:07:51,995 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-24 22:07:51,995 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-11-24 22:07:51,995 INFO  L514   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2023-11-24 22:07:52,580 INFO  L144    ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions.
[2023-11-24 22:07:52,629 INFO  L100   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-11-24 22:07:52,630 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2023-11-24 22:07:52,630 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d589418-4aab-4ffb-91f9-d9e3aaf539f7/bin/ugemcutter-verify-oI9GxRtH0S/z3
[2023-11-24 22:07:52,635 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d589418-4aab-4ffb-91f9-d9e3aaf539f7/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2023-11-24 22:07:52,659 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d589418-4aab-4ffb-91f9-d9e3aaf539f7/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2023-11-24 22:07:52,692 INFO  L159   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2023-11-24 22:07:52,707 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ========
[2023-11-24 22:07:52,714 INFO  L357      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, mHoare=true, 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;@36495111, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-11-24 22:07:52,715 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2023-11-24 22:07:53,273 INFO  L420      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)] ===
[2023-11-24 22:07:53,278 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-24 22:07:53,278 INFO  L85        PathProgramCache]: Analyzing trace with hash -1596105455, now seen corresponding path program 1 times
[2023-11-24 22:07:53,288 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-24 22:07:53,289 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241584772]
[2023-11-24 22:07:53,289 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-24 22:07:53,290 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-24 22:07:53,547 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-24 22:07:54,192 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-24 22:07:54,193 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-24 22:07:54,193 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241584772]
[2023-11-24 22:07:54,194 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241584772] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-24 22:07:54,194 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-24 22:07:54,195 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-24 22:07:54,196 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222905480]
[2023-11-24 22:07:54,197 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-24 22:07:54,203 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-24 22:07:54,204 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-24 22:07:54,234 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-24 22:07:54,235 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-24 22:07:54,236 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-11-24 22:07:54,238 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-11-24 22:07:54,240 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 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)
[2023-11-24 22:07:54,240 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-11-24 22:07:54,443 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-24 22:07:54,444 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-24 22:07:54,444 INFO  L420      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)] ===
[2023-11-24 22:07:54,447 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-24 22:07:54,447 INFO  L85        PathProgramCache]: Analyzing trace with hash 841500375, now seen corresponding path program 1 times
[2023-11-24 22:07:54,447 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-24 22:07:54,448 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327786981]
[2023-11-24 22:07:54,448 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-24 22:07:54,448 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-24 22:07:54,670 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-24 22:07:55,017 INFO  L134       CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2023-11-24 22:07:55,018 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-24 22:07:55,018 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327786981]
[2023-11-24 22:07:55,019 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327786981] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-24 22:07:55,019 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1521565333]
[2023-11-24 22:07:55,019 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-24 22:07:55,020 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-24 22:07:55,020 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d589418-4aab-4ffb-91f9-d9e3aaf539f7/bin/ugemcutter-verify-oI9GxRtH0S/z3
[2023-11-24 22:07:55,042 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d589418-4aab-4ffb-91f9-d9e3aaf539f7/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-24 22:07:55,071 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d589418-4aab-4ffb-91f9-d9e3aaf539f7/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2023-11-24 22:07:55,895 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-24 22:07:55,901 INFO  L262         TraceCheckSpWp]: Trace formula consists of 650 conjuncts, 4 conjunts are in the unsatisfiable core
[2023-11-24 22:07:55,912 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-11-24 22:07:55,975 INFO  L134       CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2023-11-24 22:07:55,975 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-24 22:07:55,976 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1521565333] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-24 22:07:55,976 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-11-24 22:07:55,976 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5
[2023-11-24 22:07:55,977 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059357660]
[2023-11-24 22:07:55,978 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-24 22:07:55,979 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-24 22:07:55,980 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-24 22:07:55,981 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-24 22:07:55,981 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2023-11-24 22:07:55,982 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-11-24 22:07:55,983 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-11-24 22:07:55,983 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 2 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-24 22:07:55,984 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-11-24 22:07:55,984 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-11-24 22:07:56,186 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-24 22:07:56,187 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-24 22:07:56,203 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d589418-4aab-4ffb-91f9-d9e3aaf539f7/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2023-11-24 22:07:56,396 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d589418-4aab-4ffb-91f9-d9e3aaf539f7/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1
[2023-11-24 22:07:56,396 INFO  L420      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)] ===
[2023-11-24 22:07:56,397 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-24 22:07:56,397 INFO  L85        PathProgramCache]: Analyzing trace with hash -1860520385, now seen corresponding path program 1 times
[2023-11-24 22:07:56,397 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-24 22:07:56,397 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875782124]
[2023-11-24 22:07:56,398 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-24 22:07:56,398 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-24 22:07:56,506 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-24 22:07:56,915 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked.
[2023-11-24 22:07:56,915 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-24 22:07:56,915 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875782124]
[2023-11-24 22:07:56,916 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875782124] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-24 22:07:56,916 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2100261821]
[2023-11-24 22:07:56,916 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-24 22:07:56,916 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-24 22:07:56,916 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d589418-4aab-4ffb-91f9-d9e3aaf539f7/bin/ugemcutter-verify-oI9GxRtH0S/z3
[2023-11-24 22:07:56,918 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d589418-4aab-4ffb-91f9-d9e3aaf539f7/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-24 22:07:56,927 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d589418-4aab-4ffb-91f9-d9e3aaf539f7/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2023-11-24 22:07:57,719 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-24 22:07:57,724 INFO  L262         TraceCheckSpWp]: Trace formula consists of 704 conjuncts, 5 conjunts are in the unsatisfiable core
[2023-11-24 22:07:57,731 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-11-24 22:07:57,763 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked.
[2023-11-24 22:07:57,764 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-11-24 22:07:57,797 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked.
[2023-11-24 22:07:57,798 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [2100261821] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-24 22:07:57,798 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-11-24 22:07:57,798 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 8
[2023-11-24 22:07:57,799 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365277832]
[2023-11-24 22:07:57,799 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-11-24 22:07:57,800 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2023-11-24 22:07:57,800 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-24 22:07:57,801 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2023-11-24 22:07:57,801 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56
[2023-11-24 22:07:57,801 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-11-24 22:07:57,801 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-11-24 22:07:57,802 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 9.625) internal successors, (77), 8 states have internal predecessors, (77), 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)
[2023-11-24 22:07:57,802 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-11-24 22:07:57,802 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-11-24 22:07:57,802 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-11-24 22:07:58,177 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-24 22:07:58,177 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-24 22:07:58,179 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2023-11-24 22:07:58,188 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d589418-4aab-4ffb-91f9-d9e3aaf539f7/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2023-11-24 22:07:58,380 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d589418-4aab-4ffb-91f9-d9e3aaf539f7/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-24 22:07:58,380 INFO  L420      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)] ===
[2023-11-24 22:07:58,381 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-24 22:07:58,381 INFO  L85        PathProgramCache]: Analyzing trace with hash 466396689, now seen corresponding path program 2 times
[2023-11-24 22:07:58,381 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-24 22:07:58,381 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810343502]
[2023-11-24 22:07:58,381 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-24 22:07:58,381 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-24 22:07:58,556 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-24 22:07:58,977 INFO  L134       CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked.
[2023-11-24 22:07:58,977 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-24 22:07:58,977 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810343502]
[2023-11-24 22:07:58,978 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810343502] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-24 22:07:58,978 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1308313390]
[2023-11-24 22:07:58,979 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2023-11-24 22:07:58,979 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-24 22:07:58,980 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d589418-4aab-4ffb-91f9-d9e3aaf539f7/bin/ugemcutter-verify-oI9GxRtH0S/z3
[2023-11-24 22:07:58,981 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d589418-4aab-4ffb-91f9-d9e3aaf539f7/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-24 22:07:59,007 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d589418-4aab-4ffb-91f9-d9e3aaf539f7/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2023-11-24 22:07:59,771 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2023-11-24 22:07:59,771 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2023-11-24 22:07:59,776 INFO  L262         TraceCheckSpWp]: Trace formula consists of 596 conjuncts, 4 conjunts are in the unsatisfiable core
[2023-11-24 22:07:59,791 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-11-24 22:07:59,948 INFO  L134       CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked.
[2023-11-24 22:07:59,948 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-24 22:07:59,949 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1308313390] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-24 22:07:59,949 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-11-24 22:07:59,949 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8
[2023-11-24 22:07:59,949 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245558073]
[2023-11-24 22:07:59,949 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-24 22:07:59,950 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-24 22:07:59,950 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-24 22:07:59,951 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-24 22:07:59,951 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56
[2023-11-24 22:07:59,951 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-11-24 22:07:59,951 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-11-24 22:07:59,951 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 19.666666666666668) internal successors, (59), 3 states have internal predecessors, (59), 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)
[2023-11-24 22:07:59,951 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-11-24 22:07:59,952 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-11-24 22:07:59,952 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2023-11-24 22:07:59,952 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-11-24 22:08:00,138 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-24 22:08:00,138 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-24 22:08:00,138 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2023-11-24 22:08:00,139 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-24 22:08:00,156 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d589418-4aab-4ffb-91f9-d9e3aaf539f7/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2023-11-24 22:08:00,348 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d589418-4aab-4ffb-91f9-d9e3aaf539f7/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-24 22:08:00,349 INFO  L420      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)] ===
[2023-11-24 22:08:00,349 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-24 22:08:00,349 INFO  L85        PathProgramCache]: Analyzing trace with hash 225717406, now seen corresponding path program 1 times
[2023-11-24 22:08:00,349 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-24 22:08:00,350 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979304884]
[2023-11-24 22:08:00,350 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-24 22:08:00,350 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-24 22:08:00,506 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-24 22:08:00,940 INFO  L134       CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked.
[2023-11-24 22:08:00,941 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-24 22:08:00,941 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979304884]
[2023-11-24 22:08:00,941 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979304884] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-24 22:08:00,941 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1315814187]
[2023-11-24 22:08:00,942 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-24 22:08:00,942 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-24 22:08:00,942 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d589418-4aab-4ffb-91f9-d9e3aaf539f7/bin/ugemcutter-verify-oI9GxRtH0S/z3
[2023-11-24 22:08:00,950 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d589418-4aab-4ffb-91f9-d9e3aaf539f7/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-24 22:08:00,971 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d589418-4aab-4ffb-91f9-d9e3aaf539f7/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2023-11-24 22:08:01,833 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-24 22:08:01,838 INFO  L262         TraceCheckSpWp]: Trace formula consists of 1042 conjuncts, 8 conjunts are in the unsatisfiable core
[2023-11-24 22:08:01,845 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-11-24 22:08:01,927 INFO  L134       CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked.
[2023-11-24 22:08:01,927 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-11-24 22:08:01,982 INFO  L134       CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked.
[2023-11-24 22:08:01,986 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1315814187] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-24 22:08:01,986 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-11-24 22:08:01,986 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12
[2023-11-24 22:08:01,987 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704013356]
[2023-11-24 22:08:01,987 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-11-24 22:08:01,989 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2023-11-24 22:08:01,989 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-24 22:08:01,992 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2023-11-24 22:08:01,993 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=88, Unknown=0, NotChecked=0, Total=156
[2023-11-24 22:08:01,993 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-11-24 22:08:01,994 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-11-24 22:08:01,995 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 13 states, 13 states have (on average 5.538461538461538) internal successors, (72), 12 states have internal predecessors, (72), 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)
[2023-11-24 22:08:01,995 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-11-24 22:08:01,995 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-11-24 22:08:01,995 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2023-11-24 22:08:01,995 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-11-24 22:08:01,995 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-11-24 22:08:02,446 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-24 22:08:02,446 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-24 22:08:02,446 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2023-11-24 22:08:02,446 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-24 22:08:02,447 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2023-11-24 22:08:02,463 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d589418-4aab-4ffb-91f9-d9e3aaf539f7/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0
[2023-11-24 22:08:02,648 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d589418-4aab-4ffb-91f9-d9e3aaf539f7/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-24 22:08:02,649 INFO  L420      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)] ===
[2023-11-24 22:08:02,649 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-24 22:08:02,649 INFO  L85        PathProgramCache]: Analyzing trace with hash 1018505526, now seen corresponding path program 2 times
[2023-11-24 22:08:02,649 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-24 22:08:02,649 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870095563]
[2023-11-24 22:08:02,650 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-24 22:08:02,650 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-24 22:08:02,881 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-24 22:08:03,466 INFO  L134       CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked.
[2023-11-24 22:08:03,466 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-24 22:08:03,467 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [870095563]
[2023-11-24 22:08:03,467 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [870095563] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-24 22:08:03,467 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [744534465]
[2023-11-24 22:08:03,467 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2023-11-24 22:08:03,468 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-24 22:08:03,468 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d589418-4aab-4ffb-91f9-d9e3aaf539f7/bin/ugemcutter-verify-oI9GxRtH0S/z3
[2023-11-24 22:08:03,469 INFO  L229       MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d589418-4aab-4ffb-91f9-d9e3aaf539f7/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-24 22:08:03,491 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d589418-4aab-4ffb-91f9-d9e3aaf539f7/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2023-11-24 22:08:04,492 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2023-11-24 22:08:04,492 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2023-11-24 22:08:04,501 INFO  L262         TraceCheckSpWp]: Trace formula consists of 1096 conjuncts, 9 conjunts are in the unsatisfiable core
[2023-11-24 22:08:04,507 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-11-24 22:08:04,616 INFO  L134       CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked.
[2023-11-24 22:08:04,616 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-11-24 22:08:04,728 INFO  L134       CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked.
[2023-11-24 22:08:04,729 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [744534465] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-24 22:08:04,729 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-11-24 22:08:04,729 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 20
[2023-11-24 22:08:04,730 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318651236]
[2023-11-24 22:08:04,730 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-11-24 22:08:04,731 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 20 states
[2023-11-24 22:08:04,731 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-24 22:08:04,732 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants.
[2023-11-24 22:08:04,733 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=180, Invalid=200, Unknown=0, NotChecked=0, Total=380
[2023-11-24 22:08:04,733 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-11-24 22:08:04,733 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-11-24 22:08:04,733 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 20 states, 20 states have (on average 3.95) internal successors, (79), 20 states have internal predecessors, (79), 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)
[2023-11-24 22:08:04,734 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-11-24 22:08:04,734 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-11-24 22:08:04,734 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2023-11-24 22:08:04,734 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-11-24 22:08:04,734 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2023-11-24 22:08:04,734 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-11-24 22:08:05,378 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-24 22:08:05,378 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-24 22:08:05,378 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2023-11-24 22:08:05,378 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-24 22:08:05,379 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2023-11-24 22:08:05,379 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2023-11-24 22:08:05,395 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d589418-4aab-4ffb-91f9-d9e3aaf539f7/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0
[2023-11-24 22:08:05,580 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d589418-4aab-4ffb-91f9-d9e3aaf539f7/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-24 22:08:05,580 INFO  L420      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)] ===
[2023-11-24 22:08:05,580 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-24 22:08:05,580 INFO  L85        PathProgramCache]: Analyzing trace with hash -506314577, now seen corresponding path program 3 times
[2023-11-24 22:08:05,581 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-24 22:08:05,581 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721689236]
[2023-11-24 22:08:05,581 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-24 22:08:05,581 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-24 22:08:05,794 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-24 22:08:07,006 INFO  L134       CoverageAnalysis]: Checked inductivity of 341 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked.
[2023-11-24 22:08:07,006 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-24 22:08:07,007 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721689236]
[2023-11-24 22:08:07,007 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721689236] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-24 22:08:07,007 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1813165267]
[2023-11-24 22:08:07,007 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2023-11-24 22:08:07,007 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-24 22:08:07,008 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d589418-4aab-4ffb-91f9-d9e3aaf539f7/bin/ugemcutter-verify-oI9GxRtH0S/z3
[2023-11-24 22:08:07,009 INFO  L229       MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d589418-4aab-4ffb-91f9-d9e3aaf539f7/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-24 22:08:07,012 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d589418-4aab-4ffb-91f9-d9e3aaf539f7/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2023-11-24 22:08:08,095 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s)
[2023-11-24 22:08:08,095 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2023-11-24 22:08:08,102 INFO  L262         TraceCheckSpWp]: Trace formula consists of 826 conjuncts, 7 conjunts are in the unsatisfiable core
[2023-11-24 22:08:08,107 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-11-24 22:08:08,232 INFO  L134       CoverageAnalysis]: Checked inductivity of 341 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked.
[2023-11-24 22:08:08,232 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-24 22:08:08,232 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1813165267] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-24 22:08:08,232 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-11-24 22:08:08,233 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [15] total 18
[2023-11-24 22:08:08,233 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659934718]
[2023-11-24 22:08:08,233 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-24 22:08:08,234 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-24 22:08:08,234 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-24 22:08:08,234 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-24 22:08:08,235 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=193, Unknown=0, NotChecked=0, Total=306
[2023-11-24 22:08:08,235 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-11-24 22:08:08,235 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-11-24 22:08:08,235 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 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)
[2023-11-24 22:08:08,236 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-11-24 22:08:08,236 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-11-24 22:08:08,236 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2023-11-24 22:08:08,236 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-11-24 22:08:08,236 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2023-11-24 22:08:08,236 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2023-11-24 22:08:08,237 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-11-24 22:08:08,461 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-24 22:08:08,461 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-24 22:08:08,461 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2023-11-24 22:08:08,462 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-24 22:08:08,462 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2023-11-24 22:08:08,462 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2023-11-24 22:08:08,462 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2023-11-24 22:08:08,478 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d589418-4aab-4ffb-91f9-d9e3aaf539f7/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0
[2023-11-24 22:08:08,663 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d589418-4aab-4ffb-91f9-d9e3aaf539f7/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6
[2023-11-24 22:08:08,663 INFO  L420      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)] ===
[2023-11-24 22:08:08,664 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-24 22:08:08,664 INFO  L85        PathProgramCache]: Analyzing trace with hash -259300065, now seen corresponding path program 1 times
[2023-11-24 22:08:08,664 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-24 22:08:08,664 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473989682]
[2023-11-24 22:08:08,664 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-24 22:08:08,664 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-24 22:08:08,851 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-24 22:08:09,804 INFO  L134       CoverageAnalysis]: Checked inductivity of 343 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked.
[2023-11-24 22:08:09,804 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-24 22:08:09,804 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473989682]
[2023-11-24 22:08:09,804 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473989682] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-24 22:08:09,805 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2102448925]
[2023-11-24 22:08:09,805 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-24 22:08:09,805 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-24 22:08:09,805 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d589418-4aab-4ffb-91f9-d9e3aaf539f7/bin/ugemcutter-verify-oI9GxRtH0S/z3
[2023-11-24 22:08:09,806 INFO  L229       MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d589418-4aab-4ffb-91f9-d9e3aaf539f7/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-24 22:08:09,830 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d589418-4aab-4ffb-91f9-d9e3aaf539f7/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process
[2023-11-24 22:08:10,852 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-24 22:08:10,861 INFO  L262         TraceCheckSpWp]: Trace formula consists of 1299 conjuncts, 16 conjunts are in the unsatisfiable core
[2023-11-24 22:08:10,866 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-11-24 22:08:11,122 INFO  L134       CoverageAnalysis]: Checked inductivity of 343 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked.
[2023-11-24 22:08:11,122 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-11-24 22:08:11,312 INFO  L134       CoverageAnalysis]: Checked inductivity of 343 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked.
[2023-11-24 22:08:11,313 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [2102448925] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-24 22:08:11,313 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-11-24 22:08:11,313 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 29
[2023-11-24 22:08:11,314 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074206156]
[2023-11-24 22:08:11,314 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-11-24 22:08:11,315 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 29 states
[2023-11-24 22:08:11,315 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-24 22:08:11,316 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants.
[2023-11-24 22:08:11,317 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=328, Invalid=484, Unknown=0, NotChecked=0, Total=812
[2023-11-24 22:08:11,317 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-11-24 22:08:11,317 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-11-24 22:08:11,317 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 29 states, 29 states have (on average 3.103448275862069) internal successors, (90), 29 states have internal predecessors, (90), 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)
[2023-11-24 22:08:11,318 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-11-24 22:08:11,318 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-11-24 22:08:11,318 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2023-11-24 22:08:11,318 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-11-24 22:08:11,318 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2023-11-24 22:08:11,318 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2023-11-24 22:08:11,319 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2023-11-24 22:08:11,319 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-11-24 22:08:11,975 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-24 22:08:11,975 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-24 22:08:11,975 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2023-11-24 22:08:11,975 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-24 22:08:11,976 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2023-11-24 22:08:11,976 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2023-11-24 22:08:11,976 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2023-11-24 22:08:11,976 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2023-11-24 22:08:11,991 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d589418-4aab-4ffb-91f9-d9e3aaf539f7/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0
[2023-11-24 22:08:12,177 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d589418-4aab-4ffb-91f9-d9e3aaf539f7/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7
[2023-11-24 22:08:12,177 INFO  L420      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)] ===
[2023-11-24 22:08:12,178 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-24 22:08:12,178 INFO  L85        PathProgramCache]: Analyzing trace with hash 1227180472, now seen corresponding path program 2 times
[2023-11-24 22:08:12,178 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-24 22:08:12,178 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862577142]
[2023-11-24 22:08:12,178 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-24 22:08:12,178 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-24 22:08:12,436 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-24 22:08:13,134 INFO  L134       CoverageAnalysis]: Checked inductivity of 382 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked.
[2023-11-24 22:08:13,134 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-24 22:08:13,134 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862577142]
[2023-11-24 22:08:13,135 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862577142] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-24 22:08:13,135 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-24 22:08:13,135 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-24 22:08:13,135 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012529650]
[2023-11-24 22:08:13,135 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-24 22:08:13,136 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-24 22:08:13,136 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-24 22:08:13,137 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-24 22:08:13,137 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-24 22:08:13,137 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-11-24 22:08:13,137 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-11-24 22:08:13,138 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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)
[2023-11-24 22:08:13,138 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-11-24 22:08:13,138 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-11-24 22:08:13,138 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2023-11-24 22:08:13,138 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-11-24 22:08:13,138 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. 
[2023-11-24 22:08:13,139 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2023-11-24 22:08:13,139 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2023-11-24 22:08:13,139 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. 
[2023-11-24 22:08:13,139 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-11-24 22:08:13,375 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-24 22:08:13,375 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-24 22:08:13,375 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2023-11-24 22:08:13,375 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-24 22:08:13,375 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2023-11-24 22:08:13,375 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2023-11-24 22:08:13,376 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2023-11-24 22:08:13,376 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. 
[2023-11-24 22:08:13,376 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-24 22:08:13,376 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2023-11-24 22:08:13,377 INFO  L420      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)] ===
[2023-11-24 22:08:13,377 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-24 22:08:13,377 INFO  L85        PathProgramCache]: Analyzing trace with hash -169938091, now seen corresponding path program 1 times
[2023-11-24 22:08:13,377 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-24 22:08:13,377 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772313530]
[2023-11-24 22:08:13,378 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-24 22:08:13,378 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-24 22:08:15,602 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-24 22:08:25,077 INFO  L134       CoverageAnalysis]: Checked inductivity of 384 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked.
[2023-11-24 22:08:25,078 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-24 22:08:25,078 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772313530]
[2023-11-24 22:08:25,078 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772313530] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-24 22:08:25,078 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1853893126]
[2023-11-24 22:08:25,079 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-24 22:08:25,079 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-24 22:08:25,079 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d589418-4aab-4ffb-91f9-d9e3aaf539f7/bin/ugemcutter-verify-oI9GxRtH0S/z3
[2023-11-24 22:08:25,080 INFO  L229       MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d589418-4aab-4ffb-91f9-d9e3aaf539f7/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-24 22:08:25,107 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d589418-4aab-4ffb-91f9-d9e3aaf539f7/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process