/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps X --traceabstraction.defines.what.statements.are.considered.a.step.in.por GLOBAL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-vector-add.wvr.c


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


This is Ultimate 0.2.2-wip.dk.orders-218013a
[2023-05-04 18:38:18,407 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2023-05-04 18:38:18,408 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2023-05-04 18:38:18,437 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2023-05-04 18:38:18,438 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2023-05-04 18:38:18,440 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2023-05-04 18:38:18,440 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2023-05-04 18:38:18,441 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2023-05-04 18:38:18,442 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2023-05-04 18:38:18,443 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
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[2023-05-04 18:38:18,444 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2023-05-04 18:38:18,445 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2023-05-04 18:38:18,446 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2023-05-04 18:38:18,446 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2023-05-04 18:38:18,447 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2023-05-04 18:38:18,447 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2023-05-04 18:38:18,448 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2023-05-04 18:38:18,454 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2023-05-04 18:38:18,458 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2023-05-04 18:38:18,462 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2023-05-04 18:38:18,464 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2023-05-04 18:38:18,465 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2023-05-04 18:38:18,470 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2023-05-04 18:38:18,470 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2023-05-04 18:38:18,470 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2023-05-04 18:38:18,471 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2023-05-04 18:38:18,471 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2023-05-04 18:38:18,472 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2023-05-04 18:38:18,472 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2023-05-04 18:38:18,472 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2023-05-04 18:38:18,473 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2023-05-04 18:38:18,473 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2023-05-04 18:38:18,473 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2023-05-04 18:38:18,474 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2023-05-04 18:38:18,474 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2023-05-04 18:38:18,474 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2023-05-04 18:38:18,474 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2023-05-04 18:38:18,475 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2023-05-04 18:38:18,475 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2023-05-04 18:38:18,478 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf
[2023-05-04 18:38:18,501 INFO  L113        SettingsManager]: Loading preferences was successful
[2023-05-04 18:38:18,502 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2023-05-04 18:38:18,502 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-05-04 18:38:18,502 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-05-04 18:38:18,502 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-05-04 18:38:18,502 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-05-04 18:38:18,503 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-05-04 18:38:18,503 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2023-05-04 18:38:18,503 INFO  L138        SettingsManager]:  * Use SBE=true
[2023-05-04 18:38:18,503 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-05-04 18:38:18,503 INFO  L138        SettingsManager]:  * sizeof long=4
[2023-05-04 18:38:18,503 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-05-04 18:38:18,503 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2023-05-04 18:38:18,503 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2023-05-04 18:38:18,503 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-05-04 18:38:18,503 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-05-04 18:38:18,503 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-05-04 18:38:18,504 INFO  L138        SettingsManager]:  * sizeof long double=12
[2023-05-04 18:38:18,504 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2023-05-04 18:38:18,504 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2023-05-04 18:38:18,504 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-05-04 18:38:18,504 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-05-04 18:38:18,504 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-05-04 18:38:18,504 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2023-05-04 18:38:18,504 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-05-04 18:38:18,504 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-05-04 18:38:18,504 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-05-04 18:38:18,504 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-05-04 18:38:18,505 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-05-04 18:38:18,505 INFO  L138        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-05-04 18:38:18,505 INFO  L138        SettingsManager]:  * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2023-05-04 18:38:18,505 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2023-05-04 18:38:18,505 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-05-04 18:38:18,505 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2023-05-04 18:38:18,505 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-05-04 18:38:18,505 INFO  L138        SettingsManager]:  * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2023-05-04 18:38:18,505 INFO  L138        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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> GLOBAL_READ_WRITE
[2023-05-04 18:38:18,671 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-05-04 18:38:18,695 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-05-04 18:38:18,697 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-05-04 18:38:18,697 INFO  L271        PluginConnector]: Initializing CDTParser...
[2023-05-04 18:38:18,704 INFO  L275        PluginConnector]: CDTParser initialized
[2023-05-04 18:38:18,705 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-vector-add.wvr.c
[2023-05-04 18:38:18,761 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/768bb902e/dd024fa7ff7a461cb8ebf425e7b070e1/FLAG59c387420
[2023-05-04 18:38:19,073 INFO  L306              CDTParser]: Found 1 translation units.
[2023-05-04 18:38:19,073 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-vector-add.wvr.c
[2023-05-04 18:38:19,079 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/768bb902e/dd024fa7ff7a461cb8ebf425e7b070e1/FLAG59c387420
[2023-05-04 18:38:19,510 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/768bb902e/dd024fa7ff7a461cb8ebf425e7b070e1
[2023-05-04 18:38:19,512 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-05-04 18:38:19,513 INFO  L131        ToolchainWalker]: Walking toolchain with 5 elements.
[2023-05-04 18:38:19,517 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-05-04 18:38:19,517 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-05-04 18:38:19,519 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-05-04 18:38:19,519 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 06:38:19" (1/1) ...
[2023-05-04 18:38:19,520 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72e539c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:38:19, skipping insertion in model container
[2023-05-04 18:38:19,520 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 06:38:19" (1/1) ...
[2023-05-04 18:38:19,524 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2023-05-04 18:38:19,542 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2023-05-04 18:38:19,697 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-vector-add.wvr.c[2598,2611]
[2023-05-04 18:38:19,708 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2023-05-04 18:38:19,713 INFO  L203         MainTranslator]: Completed pre-run
[2023-05-04 18:38:19,727 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-vector-add.wvr.c[2598,2611]
[2023-05-04 18:38:19,729 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2023-05-04 18:38:19,739 INFO  L208         MainTranslator]: Completed translation
[2023-05-04 18:38:19,739 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:38:19 WrapperNode
[2023-05-04 18:38:19,739 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-05-04 18:38:19,740 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-05-04 18:38:19,740 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-05-04 18:38:19,740 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2023-05-04 18:38:19,745 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:38:19" (1/1) ...
[2023-05-04 18:38:19,751 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:38:19" (1/1) ...
[2023-05-04 18:38:19,773 INFO  L138                Inliner]: procedures = 25, calls = 46, calls flagged for inlining = 11, calls inlined = 17, statements flattened = 193
[2023-05-04 18:38:19,774 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-05-04 18:38:19,774 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-05-04 18:38:19,774 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2023-05-04 18:38:19,774 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2023-05-04 18:38:19,780 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:38:19" (1/1) ...
[2023-05-04 18:38:19,780 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:38:19" (1/1) ...
[2023-05-04 18:38:19,783 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:38:19" (1/1) ...
[2023-05-04 18:38:19,783 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:38:19" (1/1) ...
[2023-05-04 18:38:19,789 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:38:19" (1/1) ...
[2023-05-04 18:38:19,792 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:38:19" (1/1) ...
[2023-05-04 18:38:19,794 INFO  L185        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:38:19" (1/1) ...
[2023-05-04 18:38:19,795 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:38:19" (1/1) ...
[2023-05-04 18:38:19,813 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-05-04 18:38:19,813 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-05-04 18:38:19,813 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2023-05-04 18:38:19,814 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2023-05-04 18:38:19,816 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:38:19" (1/1) ...
[2023-05-04 18:38:19,820 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-05-04 18:38:19,832 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-05-04 18:38:19,841 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-05-04 18:38:19,858 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-05-04 18:38:19,876 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-05-04 18:38:19,877 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-05-04 18:38:19,877 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2023-05-04 18:38:19,877 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2023-05-04 18:38:19,879 INFO  L130     BoogieDeclarations]: Found specification of procedure thread1
[2023-05-04 18:38:19,879 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread1
[2023-05-04 18:38:19,879 INFO  L130     BoogieDeclarations]: Found specification of procedure thread2
[2023-05-04 18:38:19,880 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread2
[2023-05-04 18:38:19,880 INFO  L130     BoogieDeclarations]: Found specification of procedure thread3
[2023-05-04 18:38:19,880 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread3
[2023-05-04 18:38:19,880 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2023-05-04 18:38:19,880 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2023-05-04 18:38:19,880 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-05-04 18:38:19,880 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-05-04 18:38:19,880 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-05-04 18:38:19,881 WARN  L209             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2023-05-04 18:38:19,952 INFO  L235             CfgBuilder]: Building ICFG
[2023-05-04 18:38:19,953 INFO  L261             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-05-04 18:38:20,274 INFO  L276             CfgBuilder]: Performing block encoding
[2023-05-04 18:38:20,283 INFO  L295             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-05-04 18:38:20,284 INFO  L300             CfgBuilder]: Removed 7 assume(true) statements.
[2023-05-04 18:38:20,286 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 06:38:20 BoogieIcfgContainer
[2023-05-04 18:38:20,286 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-05-04 18:38:20,298 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-05-04 18:38:20,298 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2023-05-04 18:38:20,301 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2023-05-04 18:38:20,302 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 06:38:19" (1/3) ...
[2023-05-04 18:38:20,302 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59aba938 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 06:38:20, skipping insertion in model container
[2023-05-04 18:38:20,302 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:38:19" (2/3) ...
[2023-05-04 18:38:20,303 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59aba938 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 06:38:20, skipping insertion in model container
[2023-05-04 18:38:20,303 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 06:38:20" (3/3) ...
[2023-05-04 18:38:20,304 INFO  L112   eAbstractionObserver]: Analyzing ICFG popl20-more-vector-add.wvr.c
[2023-05-04 18:38:20,310 WARN  L145   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2023-05-04 18:38:20,317 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-05-04 18:38:20,317 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-05-04 18:38:20,317 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2023-05-04 18:38:20,382 INFO  L144    ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions.
[2023-05-04 18:38:20,416 INFO  L100   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-05-04 18:38:20,416 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2023-05-04 18:38:20,416 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-05-04 18:38:20,418 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2023-05-04 18:38:20,423 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2023-05-04 18:38:20,444 INFO  L162   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2023-05-04 18:38:20,457 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ========
[2023-05-04 18:38:20,461 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=LoopsAndPotentialCycles, 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;@2fee061f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-05-04 18:38:20,461 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2023-05-04 18:38:20,685 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)] ===
[2023-05-04 18:38:20,692 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-05-04 18:38:20,693 INFO  L85        PathProgramCache]: Analyzing trace with hash -399057023, now seen corresponding path program 1 times
[2023-05-04 18:38:20,698 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-05-04 18:38:20,699 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957787294]
[2023-05-04 18:38:20,699 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-05-04 18:38:20,699 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-05-04 18:38:20,855 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-05-04 18:38:21,004 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2023-05-04 18:38:21,005 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-05-04 18:38:21,006 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957787294]
[2023-05-04 18:38:21,007 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957787294] provided 1 perfect and 0 imperfect interpolant sequences
[2023-05-04 18:38:21,007 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-05-04 18:38:21,007 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-05-04 18:38:21,008 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323650734]
[2023-05-04 18:38:21,008 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-05-04 18:38:21,014 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-05-04 18:38:21,014 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-05-04 18:38:21,027 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-05-04 18:38:21,028 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-05-04 18:38:21,029 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 18:38:21,029 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-05-04 18:38:21,030 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 105.0) internal successors, (210), 2 states have internal predecessors, (210), 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)
[2023-05-04 18:38:21,030 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 18:38:21,106 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 18:38:21,106 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-05-04 18:38:21,106 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)] ===
[2023-05-04 18:38:21,107 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-05-04 18:38:21,107 INFO  L85        PathProgramCache]: Analyzing trace with hash -1211489209, now seen corresponding path program 1 times
[2023-05-04 18:38:21,107 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-05-04 18:38:21,107 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797374188]
[2023-05-04 18:38:21,107 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-05-04 18:38:21,108 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-05-04 18:38:21,251 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-05-04 18:38:21,827 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-05-04 18:38:21,828 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-05-04 18:38:21,828 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797374188]
[2023-05-04 18:38:21,828 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797374188] provided 1 perfect and 0 imperfect interpolant sequences
[2023-05-04 18:38:21,828 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-05-04 18:38:21,829 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2023-05-04 18:38:21,829 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948070098]
[2023-05-04 18:38:21,829 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-05-04 18:38:21,832 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2023-05-04 18:38:21,832 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-05-04 18:38:21,834 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2023-05-04 18:38:21,835 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90
[2023-05-04 18:38:21,835 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 18:38:21,836 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-05-04 18:38:21,836 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 10 states, 10 states have (on average 20.9) internal successors, (209), 10 states have internal predecessors, (209), 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)
[2023-05-04 18:38:21,836 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 18:38:21,837 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 18:38:22,235 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 18:38:22,236 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2023-05-04 18:38:22,236 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-05-04 18:38:22,236 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)] ===
[2023-05-04 18:38:22,237 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-05-04 18:38:22,237 INFO  L85        PathProgramCache]: Analyzing trace with hash -1966193758, now seen corresponding path program 1 times
[2023-05-04 18:38:22,237 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-05-04 18:38:22,237 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1959526110]
[2023-05-04 18:38:22,237 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-05-04 18:38:22,237 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-05-04 18:38:22,263 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-05-04 18:38:22,430 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2023-05-04 18:38:22,430 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-05-04 18:38:22,430 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1959526110]
[2023-05-04 18:38:22,431 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1959526110] provided 0 perfect and 1 imperfect interpolant sequences
[2023-05-04 18:38:22,431 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1531313045]
[2023-05-04 18:38:22,431 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-05-04 18:38:22,431 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-05-04 18:38:22,431 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-05-04 18:38:22,433 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-05-04 18:38:22,481 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2023-05-04 18:38:22,618 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-05-04 18:38:22,621 INFO  L263         TraceCheckSpWp]: Trace formula consists of 504 conjuncts, 8 conjunts are in the unsatisfiable core
[2023-05-04 18:38:22,637 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2023-05-04 18:38:22,787 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2023-05-04 18:38:22,788 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2023-05-04 18:38:23,013 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2023-05-04 18:38:23,013 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1531313045] provided 1 perfect and 1 imperfect interpolant sequences
[2023-05-04 18:38:23,013 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences.
[2023-05-04 18:38:23,014 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [10, 9] total 16
[2023-05-04 18:38:23,014 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123775887]
[2023-05-04 18:38:23,014 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-05-04 18:38:23,014 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2023-05-04 18:38:23,014 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-05-04 18:38:23,015 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2023-05-04 18:38:23,015 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240
[2023-05-04 18:38:23,015 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 18:38:23,015 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-05-04 18:38:23,015 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 25.22222222222222) internal successors, (227), 9 states have internal predecessors, (227), 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)
[2023-05-04 18:38:23,016 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 18:38:23,016 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. 
[2023-05-04 18:38:23,016 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 18:38:23,226 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 18:38:23,226 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2023-05-04 18:38:23,226 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2023-05-04 18:38:23,253 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2023-05-04 18:38:23,441 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2
[2023-05-04 18:38:23,441 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)] ===
[2023-05-04 18:38:23,442 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-05-04 18:38:23,442 INFO  L85        PathProgramCache]: Analyzing trace with hash -432170189, now seen corresponding path program 1 times
[2023-05-04 18:38:23,442 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-05-04 18:38:23,442 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454578728]
[2023-05-04 18:38:23,443 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-05-04 18:38:23,443 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-05-04 18:38:23,468 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-05-04 18:38:23,636 INFO  L134       CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2023-05-04 18:38:23,637 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-05-04 18:38:23,637 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454578728]
[2023-05-04 18:38:23,637 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454578728] provided 0 perfect and 1 imperfect interpolant sequences
[2023-05-04 18:38:23,637 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1614573010]
[2023-05-04 18:38:23,637 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-05-04 18:38:23,637 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-05-04 18:38:23,637 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-05-04 18:38:23,638 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-05-04 18:38:23,644 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2023-05-04 18:38:23,756 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-05-04 18:38:23,758 INFO  L263         TraceCheckSpWp]: Trace formula consists of 515 conjuncts, 6 conjunts are in the unsatisfiable core
[2023-05-04 18:38:23,762 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2023-05-04 18:38:23,910 INFO  L134       CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2023-05-04 18:38:23,910 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2023-05-04 18:38:24,089 INFO  L134       CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2023-05-04 18:38:24,090 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1614573010] provided 1 perfect and 1 imperfect interpolant sequences
[2023-05-04 18:38:24,090 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences.
[2023-05-04 18:38:24,090 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 14
[2023-05-04 18:38:24,090 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76637254]
[2023-05-04 18:38:24,090 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-05-04 18:38:24,091 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2023-05-04 18:38:24,091 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-05-04 18:38:24,091 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2023-05-04 18:38:24,092 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182
[2023-05-04 18:38:24,092 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 18:38:24,092 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-05-04 18:38:24,093 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 33.285714285714285) internal successors, (233), 7 states have internal predecessors, (233), 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)
[2023-05-04 18:38:24,093 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 18:38:24,093 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. 
[2023-05-04 18:38:24,093 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2023-05-04 18:38:24,093 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 18:38:24,267 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 18:38:24,267 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2023-05-04 18:38:24,268 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2023-05-04 18:38:24,268 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2023-05-04 18:38:24,292 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2023-05-04 18:38:24,493 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-05-04 18:38:24,493 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)] ===
[2023-05-04 18:38:24,494 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-05-04 18:38:24,494 INFO  L85        PathProgramCache]: Analyzing trace with hash -1079069169, now seen corresponding path program 1 times
[2023-05-04 18:38:24,494 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-05-04 18:38:24,494 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641378306]
[2023-05-04 18:38:24,494 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-05-04 18:38:24,494 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-05-04 18:38:24,537 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-05-04 18:38:24,797 INFO  L134       CoverageAnalysis]: Checked inductivity of 92 backedges. 33 proven. 2 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked.
[2023-05-04 18:38:24,797 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-05-04 18:38:24,797 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641378306]
[2023-05-04 18:38:24,798 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641378306] provided 0 perfect and 1 imperfect interpolant sequences
[2023-05-04 18:38:24,798 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1283595176]
[2023-05-04 18:38:24,798 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-05-04 18:38:24,798 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-05-04 18:38:24,799 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-05-04 18:38:24,801 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-05-04 18:38:24,828 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2023-05-04 18:38:24,935 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-05-04 18:38:24,945 INFO  L263         TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 10 conjunts are in the unsatisfiable core
[2023-05-04 18:38:24,950 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2023-05-04 18:38:25,191 INFO  L134       CoverageAnalysis]: Checked inductivity of 92 backedges. 34 proven. 1 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked.
[2023-05-04 18:38:25,191 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2023-05-04 18:38:25,449 INFO  L134       CoverageAnalysis]: Checked inductivity of 92 backedges. 34 proven. 1 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked.
[2023-05-04 18:38:25,449 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1283595176] provided 0 perfect and 2 imperfect interpolant sequences
[2023-05-04 18:38:25,449 INFO  L184   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-05-04 18:38:25,450 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24
[2023-05-04 18:38:25,450 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785417162]
[2023-05-04 18:38:25,450 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-05-04 18:38:25,450 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 24 states
[2023-05-04 18:38:25,451 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-05-04 18:38:25,451 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants.
[2023-05-04 18:38:25,452 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=434, Unknown=0, NotChecked=0, Total=552
[2023-05-04 18:38:25,452 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 18:38:25,452 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-05-04 18:38:25,459 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 24 states, 24 states have (on average 14.583333333333334) internal successors, (350), 24 states have internal predecessors, (350), 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)
[2023-05-04 18:38:25,459 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 18:38:25,459 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. 
[2023-05-04 18:38:25,459 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2023-05-04 18:38:25,459 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2023-05-04 18:38:25,459 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 18:38:25,972 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 18:38:25,972 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2023-05-04 18:38:25,972 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2023-05-04 18:38:25,972 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2023-05-04 18:38:25,972 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. 
[2023-05-04 18:38:25,991 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0
[2023-05-04 18:38:26,187 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-05-04 18:38:26,188 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)] ===
[2023-05-04 18:38:26,188 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-05-04 18:38:26,188 INFO  L85        PathProgramCache]: Analyzing trace with hash 652993341, now seen corresponding path program 2 times
[2023-05-04 18:38:26,188 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-05-04 18:38:26,189 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622027047]
[2023-05-04 18:38:26,189 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-05-04 18:38:26,189 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-05-04 18:38:26,212 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-05-04 18:38:26,496 INFO  L134       CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked.
[2023-05-04 18:38:26,496 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-05-04 18:38:26,496 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622027047]
[2023-05-04 18:38:26,496 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622027047] provided 0 perfect and 1 imperfect interpolant sequences
[2023-05-04 18:38:26,496 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1514424415]
[2023-05-04 18:38:26,496 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2023-05-04 18:38:26,497 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-05-04 18:38:26,497 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-05-04 18:38:26,501 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-05-04 18:38:26,505 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2023-05-04 18:38:26,642 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2023-05-04 18:38:26,643 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2023-05-04 18:38:26,646 INFO  L263         TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 12 conjunts are in the unsatisfiable core
[2023-05-04 18:38:26,649 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2023-05-04 18:38:26,929 INFO  L134       CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked.
[2023-05-04 18:38:26,929 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2023-05-04 18:38:27,225 INFO  L134       CoverageAnalysis]: Checked inductivity of 27 backedges. 8 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked.
[2023-05-04 18:38:27,225 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1514424415] provided 0 perfect and 2 imperfect interpolant sequences
[2023-05-04 18:38:27,225 INFO  L184   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-05-04 18:38:27,225 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 31
[2023-05-04 18:38:27,225 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618575543]
[2023-05-04 18:38:27,225 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-05-04 18:38:27,226 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 31 states
[2023-05-04 18:38:27,226 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-05-04 18:38:27,227 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants.
[2023-05-04 18:38:27,227 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=130, Invalid=800, Unknown=0, NotChecked=0, Total=930
[2023-05-04 18:38:27,227 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 18:38:27,227 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-05-04 18:38:27,228 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 31 states, 31 states have (on average 16.483870967741936) internal successors, (511), 31 states have internal predecessors, (511), 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)
[2023-05-04 18:38:27,228 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 18:38:27,228 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. 
[2023-05-04 18:38:27,228 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. 
[2023-05-04 18:38:27,228 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2023-05-04 18:38:27,228 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. 
[2023-05-04 18:38:27,228 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 18:38:28,404 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 18:38:28,405 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2023-05-04 18:38:28,405 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2023-05-04 18:38:28,405 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2023-05-04 18:38:28,405 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. 
[2023-05-04 18:38:28,405 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. 
[2023-05-04 18:38:28,425 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0
[2023-05-04 18:38:28,621 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-05-04 18:38:28,621 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)] ===
[2023-05-04 18:38:28,622 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-05-04 18:38:28,622 INFO  L85        PathProgramCache]: Analyzing trace with hash -555309197, now seen corresponding path program 3 times
[2023-05-04 18:38:28,622 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-05-04 18:38:28,622 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514028077]
[2023-05-04 18:38:28,623 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-05-04 18:38:28,623 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-05-04 18:38:28,669 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-05-04 18:38:29,211 INFO  L134       CoverageAnalysis]: Checked inductivity of 268 backedges. 197 proven. 45 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked.
[2023-05-04 18:38:29,211 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-05-04 18:38:29,211 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514028077]
[2023-05-04 18:38:29,211 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514028077] provided 0 perfect and 1 imperfect interpolant sequences
[2023-05-04 18:38:29,211 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2147278481]
[2023-05-04 18:38:29,211 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2023-05-04 18:38:29,212 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-05-04 18:38:29,212 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-05-04 18:38:29,213 INFO  L229       MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-05-04 18:38:29,214 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2023-05-04 18:38:29,774 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s)
[2023-05-04 18:38:29,774 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2023-05-04 18:38:29,781 INFO  L263         TraceCheckSpWp]: Trace formula consists of 627 conjuncts, 183 conjunts are in the unsatisfiable core
[2023-05-04 18:38:29,788 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2023-05-04 18:38:29,827 INFO  L390             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5
[2023-05-04 18:38:30,298 INFO  L356             Elim1Store]: treesize reduction 18, result has 35.7 percent of original size
[2023-05-04 18:38:30,298 INFO  L390             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21
[2023-05-04 18:38:31,025 INFO  L356             Elim1Store]: treesize reduction 36, result has 34.5 percent of original size
[2023-05-04 18:38:31,026 INFO  L390             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33
[2023-05-04 18:38:32,176 INFO  L356             Elim1Store]: treesize reduction 12, result has 52.0 percent of original size
[2023-05-04 18:38:32,176 INFO  L390             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 25
[2023-05-04 18:38:34,758 INFO  L390             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20
[2023-05-04 18:38:35,088 INFO  L390             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 36
[2023-05-04 18:38:35,854 INFO  L356             Elim1Store]: treesize reduction 28, result has 3.4 percent of original size
[2023-05-04 18:38:35,855 INFO  L390             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 77
[2023-05-04 18:38:37,119 INFO  L356             Elim1Store]: treesize reduction 78, result has 1.3 percent of original size
[2023-05-04 18:38:37,119 INFO  L390             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 10 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 6 case distinctions, treesize of input 103 treesize of output 126
[2023-05-04 18:38:38,171 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2023-05-04 18:38:38,180 INFO  L356             Elim1Store]: treesize reduction 76, result has 1.3 percent of original size
[2023-05-04 18:38:38,180 INFO  L390             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 11 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 6 case distinctions, treesize of input 115 treesize of output 144
[2023-05-04 18:38:42,096 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2023-05-04 18:38:42,097 INFO  L173   IndexEqualityManager]: detected equality via solver
[2023-05-04 18:38:42,099 INFO  L173   IndexEqualityManager]: detected equality via solver
[2023-05-04 18:38:42,113 INFO  L356             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2023-05-04 18:38:42,114 INFO  L390             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 14 select indices, 14 select index equivalence classes, 7 disjoint index pairs (out of 91 index pairs), introduced 10 new quantified variables, introduced 4 case distinctions, treesize of input 123 treesize of output 79
[2023-05-04 18:38:42,325 INFO  L134       CoverageAnalysis]: Checked inductivity of 268 backedges. 89 proven. 106 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked.
[2023-05-04 18:38:42,325 INFO  L328         TraceCheckSpWp]: Computing backward predicates...