/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf -i ../sv-benchmarks/c/weaver/popl20-horseshoe.wvr.c


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


This is Ultimate 0.2.1-dev-c503be2
[2021-10-13 22:43:24,508 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-10-13 22:43:24,511 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-10-13 22:43:24,564 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-10-13 22:43:24,565 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-10-13 22:43:24,571 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-10-13 22:43:24,574 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
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[2021-10-13 22:43:24,587 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
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[2021-10-13 22:43:24,591 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-10-13 22:43:24,593 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-10-13 22:43:24,602 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-10-13 22:43:24,604 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-13 22:43:24,605 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-13 22:43:24,606 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-13 22:43:24,607 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-13 22:43:24,609 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-13 22:43:24,611 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-13 22:43:24,612 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-13 22:43:24,614 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-10-13 22:43:24,614 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-13 22:43:24,617 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2021-10-13 22:43:24,618 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
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[2021-10-13 22:43:24,622 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-10-13 22:43:24,623 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-13 22:43:24,624 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
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[2021-10-13 22:43:24,626 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2021-10-13 22:43:24,628 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-10-13 22:43:24,632 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf
[2021-10-13 22:43:24,661 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-10-13 22:43:24,661 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-13 22:43:24,661 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-10-13 22:43:24,662 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-10-13 22:43:24,663 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-13 22:43:24,663 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-10-13 22:43:24,663 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-10-13 22:43:24,664 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-13 22:43:24,664 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-10-13 22:43:24,664 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-10-13 22:43:24,665 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-10-13 22:43:24,665 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-10-13 22:43:24,665 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2021-10-13 22:43:24,665 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-10-13 22:43:24,666 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2021-10-13 22:43:24,666 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-10-13 22:43:24,666 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-10-13 22:43:24,666 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-10-13 22:43:24,666 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2021-10-13 22:43:24,667 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-13 22:43:24,667 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-10-13 22:43:24,667 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2021-10-13 22:43:24,667 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-10-13 22:43:24,667 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-13 22:43:24,668 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-13 22:43:24,668 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-10-13 22:43:24,668 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-10-13 22:43:24,668 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-10-13 22:43:24,668 INFO  L138        SettingsManager]:  * DFS Order used in POR=PSEUDO_LOCKSTEP
[2021-10-13 22:43:24,669 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-10-13 22:43:24,669 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2021-10-13 22:43:24,669 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2021-10-13 22:43:24,669 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-10-13 22:43:24,669 INFO  L138        SettingsManager]:  * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2021-10-13 22:43:24,670 INFO  L138        SettingsManager]:  * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2021-10-13 22:43:24,670 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-2/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2021-10-13 22:43:25,017 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-13 22:43:25,042 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-13 22:43:25,044 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-13 22:43:25,046 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-10-13 22:43:25,046 INFO  L275        PluginConnector]: CDTParser initialized
[2021-10-13 22:43:25,047 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/popl20-horseshoe.wvr.c
[2021-10-13 22:43:25,128 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c62b84702/c06a42f0807a450aabd29ded96c8ddd8/FLAGd8d290a3a
[2021-10-13 22:43:25,776 INFO  L306              CDTParser]: Found 1 translation units.
[2021-10-13 22:43:25,776 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/popl20-horseshoe.wvr.c
[2021-10-13 22:43:25,788 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c62b84702/c06a42f0807a450aabd29ded96c8ddd8/FLAGd8d290a3a
[2021-10-13 22:43:26,145 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c62b84702/c06a42f0807a450aabd29ded96c8ddd8
[2021-10-13 22:43:26,148 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-13 22:43:26,155 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2021-10-13 22:43:26,159 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-10-13 22:43:26,159 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-10-13 22:43:26,164 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-10-13 22:43:26,166 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:43:26" (1/1) ...
[2021-10-13 22:43:26,167 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d9a5575 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:43:26, skipping insertion in model container
[2021-10-13 22:43:26,167 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:43:26" (1/1) ...
[2021-10-13 22:43:26,175 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-10-13 22:43:26,213 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-10-13 22:43:26,405 WARN  L228   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/popl20-horseshoe.wvr.c[3424,3437]
[2021-10-13 22:43:26,414 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-13 22:43:26,426 INFO  L203         MainTranslator]: Completed pre-run
[2021-10-13 22:43:26,489 WARN  L228   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/popl20-horseshoe.wvr.c[3424,3437]
[2021-10-13 22:43:26,500 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-13 22:43:26,524 INFO  L208         MainTranslator]: Completed translation
[2021-10-13 22:43:26,525 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:43:26 WrapperNode
[2021-10-13 22:43:26,525 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-10-13 22:43:26,527 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-10-13 22:43:26,527 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-10-13 22:43:26,528 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-10-13 22:43:26,537 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:43:26" (1/1) ...
[2021-10-13 22:43:26,569 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:43:26" (1/1) ...
[2021-10-13 22:43:26,636 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-10-13 22:43:26,637 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-13 22:43:26,637 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-13 22:43:26,637 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-10-13 22:43:26,650 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:43:26" (1/1) ...
[2021-10-13 22:43:26,650 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:43:26" (1/1) ...
[2021-10-13 22:43:26,669 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:43:26" (1/1) ...
[2021-10-13 22:43:26,669 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:43:26" (1/1) ...
[2021-10-13 22:43:26,693 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:43:26" (1/1) ...
[2021-10-13 22:43:26,705 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:43:26" (1/1) ...
[2021-10-13 22:43:26,710 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:43:26" (1/1) ...
[2021-10-13 22:43:26,718 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-13 22:43:26,719 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-13 22:43:26,719 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-10-13 22:43:26,719 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-10-13 22:43:26,725 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:43:26" (1/1) ...
[2021-10-13 22:43:26,747 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-13 22:43:26,765 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
[2021-10-13 22:43:26,795 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-10-13 22:43:26,805 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-10-13 22:43:26,856 INFO  L130     BoogieDeclarations]: Found specification of procedure thread1
[2021-10-13 22:43:26,856 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread1
[2021-10-13 22:43:26,857 INFO  L130     BoogieDeclarations]: Found specification of procedure thread2
[2021-10-13 22:43:26,857 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread2
[2021-10-13 22:43:26,857 INFO  L130     BoogieDeclarations]: Found specification of procedure thread3
[2021-10-13 22:43:26,857 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread3
[2021-10-13 22:43:26,857 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2021-10-13 22:43:26,858 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-10-13 22:43:26,858 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2021-10-13 22:43:26,858 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2021-10-13 22:43:26,858 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2021-10-13 22:43:26,858 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2021-10-13 22:43:26,859 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-13 22:43:26,859 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-13 22:43:26,859 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2021-10-13 22:43:26,859 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-10-13 22:43:26,861 WARN  L209             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2021-10-13 22:43:27,700 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-13 22:43:27,701 INFO  L299             CfgBuilder]: Removed 41 assume(true) statements.
[2021-10-13 22:43:27,707 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:43:27 BoogieIcfgContainer
[2021-10-13 22:43:27,707 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-13 22:43:27,709 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-10-13 22:43:27,710 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2021-10-13 22:43:27,713 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2021-10-13 22:43:27,714 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 10:43:26" (1/3) ...
[2021-10-13 22:43:27,714 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bae7c79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:43:27, skipping insertion in model container
[2021-10-13 22:43:27,715 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:43:26" (2/3) ...
[2021-10-13 22:43:27,715 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bae7c79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:43:27, skipping insertion in model container
[2021-10-13 22:43:27,715 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:43:27" (3/3) ...
[2021-10-13 22:43:27,717 INFO  L111   eAbstractionObserver]: Analyzing ICFG popl20-horseshoe.wvr.c
[2021-10-13 22:43:27,724 WARN  L149   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2021-10-13 22:43:27,724 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-10-13 22:43:27,725 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2021-10-13 22:43:27,725 INFO  L516   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2021-10-13 22:43:27,771 WARN  L313   ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,772 WARN  L313   ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,772 WARN  L313   ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,772 WARN  L313   ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,773 WARN  L313   ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,773 WARN  L313   ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,773 WARN  L313   ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,773 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,773 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,774 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,774 WARN  L313   ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,774 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,774 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,774 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,775 WARN  L313   ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,775 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,775 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,775 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,776 WARN  L313   ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,776 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,776 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,776 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,777 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,777 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,777 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,777 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,777 WARN  L313   ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,778 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,778 WARN  L313   ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,778 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,778 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,778 WARN  L313   ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,779 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,779 WARN  L313   ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,779 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,779 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,780 WARN  L313   ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,780 WARN  L313   ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,780 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,780 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,781 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,781 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,781 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,781 WARN  L313   ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,781 WARN  L313   ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,782 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,782 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,782 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,782 WARN  L313   ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,782 WARN  L313   ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,783 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,783 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,783 WARN  L313   ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,783 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,783 WARN  L313   ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,784 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,784 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,786 WARN  L313   ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,786 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,786 WARN  L313   ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,786 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,786 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,787 WARN  L313   ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,787 WARN  L313   ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,787 WARN  L313   ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,787 WARN  L313   ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,788 WARN  L313   ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,788 WARN  L313   ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,788 WARN  L313   ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,788 WARN  L313   ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,789 WARN  L313   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,789 WARN  L313   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,789 WARN  L313   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,789 WARN  L313   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,790 WARN  L313   ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,790 WARN  L313   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,790 WARN  L313   ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,790 WARN  L313   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,790 WARN  L313   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post13| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,790 WARN  L313   ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,791 WARN  L313   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,791 WARN  L313   ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,791 WARN  L313   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,791 WARN  L313   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post13| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,792 WARN  L313   ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,792 WARN  L313   ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,792 WARN  L313   ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,792 WARN  L313   ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,792 WARN  L313   ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,793 WARN  L313   ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,796 WARN  L313   ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,797 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,797 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,797 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,797 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,798 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,798 WARN  L313   ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~i~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,798 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,798 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,798 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,800 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,801 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,801 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,801 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,801 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,801 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,802 WARN  L313   ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,802 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,802 WARN  L313   ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~j~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,807 WARN  L313   ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,807 WARN  L313   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,807 WARN  L313   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,808 WARN  L313   ript$VariableManager]: TermVariabe thread3Thread1of1ForFork2_~k~0 not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,808 WARN  L313   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,808 WARN  L313   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,808 WARN  L313   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#t~post13| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-13 22:43:27,823 INFO  L148    ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions.
[2021-10-13 22:43:27,908 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2021-10-13 22:43:27,908 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
[2021-10-13 22:43:27,910 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2021-10-13 22:43:27,913 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2021-10-13 22:43:27,954 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ========
[2021-10-13 22:43:27,962 INFO  L339      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, mConcurrency=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, mLoopAccelerationTechnique=FAST_UPR
[2021-10-13 22:43:27,963 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2021-10-13 22:43:28,245 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-10-13 22:43:28,253 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-13 22:43:28,253 INFO  L82        PathProgramCache]: Analyzing trace with hash -975551005, now seen corresponding path program 1 times
[2021-10-13 22:43:28,265 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-13 22:43:28,265 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972867111]
[2021-10-13 22:43:28,266 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-13 22:43:28,267 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-13 22:43:28,421 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-13 22:43:28,544 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-13 22:43:28,545 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-13 22:43:28,545 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972867111]
[2021-10-13 22:43:28,546 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972867111] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-13 22:43:28,547 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-13 22:43:28,547 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2021-10-13 22:43:28,549 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245295106]
[2021-10-13 22:43:28,557 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2021-10-13 22:43:28,557 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-13 22:43:28,579 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2021-10-13 22:43:28,581 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2021-10-13 22:43:28,582 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-13 22:43:28,585 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-10-13 22:43:28,587 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 68.5) internal successors, (137), 2 states have internal predecessors, (137), 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)
[2021-10-13 22:43:28,588 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-13 22:43:28,783 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-13 22:43:28,784 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-10-13 22:43:28,784 INFO  L402      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-10-13 22:43:28,789 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-13 22:43:28,790 INFO  L82        PathProgramCache]: Analyzing trace with hash 744932930, now seen corresponding path program 1 times
[2021-10-13 22:43:28,790 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-13 22:43:28,791 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293757475]
[2021-10-13 22:43:28,791 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-13 22:43:28,792 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-13 22:43:28,918 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-13 22:43:29,134 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-13 22:43:29,135 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-13 22:43:29,136 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293757475]
[2021-10-13 22:43:29,136 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293757475] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-13 22:43:29,137 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-13 22:43:29,137 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2021-10-13 22:43:29,137 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894789457]
[2021-10-13 22:43:29,140 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2021-10-13 22:43:29,141 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-13 22:43:29,143 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-10-13 22:43:29,144 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2021-10-13 22:43:29,144 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-13 22:43:29,144 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-10-13 22:43:29,145 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 23.0) internal successors, (138), 6 states have internal predecessors, (138), 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)
[2021-10-13 22:43:29,145 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-13 22:43:29,145 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-13 22:43:29,561 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-13 22:43:29,561 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-10-13 22:43:29,562 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2021-10-13 22:43:29,562 INFO  L402      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-10-13 22:43:29,572 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-13 22:43:29,572 INFO  L82        PathProgramCache]: Analyzing trace with hash 2144883083, now seen corresponding path program 1 times
[2021-10-13 22:43:29,573 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-13 22:43:29,573 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574601590]
[2021-10-13 22:43:29,573 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-13 22:43:29,573 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-13 22:43:29,633 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-13 22:43:29,754 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2021-10-13 22:43:29,755 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-13 22:43:29,755 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574601590]
[2021-10-13 22:43:29,755 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574601590] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-13 22:43:29,756 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-13 22:43:29,756 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2021-10-13 22:43:29,756 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846954808]
[2021-10-13 22:43:29,757 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2021-10-13 22:43:29,757 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-13 22:43:29,758 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-10-13 22:43:29,759 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2021-10-13 22:43:29,759 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-13 22:43:29,759 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-10-13 22:43:29,759 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 24.166666666666668) internal successors, (145), 6 states have internal predecessors, (145), 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)
[2021-10-13 22:43:29,760 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-13 22:43:29,760 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2021-10-13 22:43:29,760 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-13 22:43:30,010 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-13 22:43:30,011 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-10-13 22:43:30,011 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-10-13 22:43:30,011 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2021-10-13 22:43:30,012 INFO  L402      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-10-13 22:43:30,012 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-13 22:43:30,013 INFO  L82        PathProgramCache]: Analyzing trace with hash 1411041552, now seen corresponding path program 1 times
[2021-10-13 22:43:30,013 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-13 22:43:30,013 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872797661]
[2021-10-13 22:43:30,013 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-13 22:43:30,014 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-13 22:43:30,206 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-13 22:43:34,785 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-13 22:43:34,785 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-13 22:43:34,786 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872797661]
[2021-10-13 22:43:34,786 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1872797661] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-13 22:43:34,786 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [200847648]
[2021-10-13 22:43:34,787 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-13 22:43:34,787 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-13 22:43:34,787 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
[2021-10-13 22:43:34,793 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-10-13 22:43:34,814 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2021-10-13 22:43:34,951 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-13 22:43:34,958 INFO  L263         TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 83 conjunts are in the unsatisfiable core
[2021-10-13 22:43:34,979 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-13 22:43:39,621 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11
[2021-10-13 22:43:41,471 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 18
[2021-10-13 22:43:42,307 INFO  L354             Elim1Store]: treesize reduction 37, result has 22.9 percent of original size
[2021-10-13 22:43:42,308 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 32
[2021-10-13 22:43:43,489 INFO  L354             Elim1Store]: treesize reduction 84, result has 20.0 percent of original size
[2021-10-13 22:43:43,489 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 3 case distinctions, treesize of input 59 treesize of output 55
[2021-10-13 22:43:44,156 INFO  L354             Elim1Store]: treesize reduction 3, result has 83.3 percent of original size
[2021-10-13 22:43:44,157 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 39
[2021-10-13 22:43:44,518 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-13 22:43:44,518 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [200847648] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-13 22:43:44,518 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-10-13 22:43:44,519 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 43] total 77
[2021-10-13 22:43:44,519 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948612576]
[2021-10-13 22:43:44,520 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 77 states
[2021-10-13 22:43:44,520 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-13 22:43:44,521 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants.
[2021-10-13 22:43:44,525 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=483, Invalid=5369, Unknown=0, NotChecked=0, Total=5852
[2021-10-13 22:43:44,525 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-13 22:43:44,525 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-10-13 22:43:44,526 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 77 states, 77 states have (on average 3.6363636363636362) internal successors, (280), 77 states have internal predecessors, (280), 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)
[2021-10-13 22:43:44,526 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-13 22:43:44,526 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2021-10-13 22:43:44,526 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2021-10-13 22:43:44,527 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-13 22:43:53,260 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-13 22:43:53,260 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-10-13 22:43:53,261 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-10-13 22:43:53,261 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. 
[2021-10-13 22:43:53,303 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2021-10-13 22:43:53,462 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-13 22:43:53,463 INFO  L402      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-10-13 22:43:53,464 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-13 22:43:53,464 INFO  L82        PathProgramCache]: Analyzing trace with hash 327389482, now seen corresponding path program 1 times
[2021-10-13 22:43:53,464 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-13 22:43:53,465 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244215907]
[2021-10-13 22:43:53,465 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-13 22:43:53,465 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-13 22:43:53,531 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-13 22:43:53,759 INFO  L134       CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2021-10-13 22:43:53,759 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-13 22:43:53,760 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244215907]
[2021-10-13 22:43:53,760 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244215907] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-13 22:43:53,760 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [930675248]
[2021-10-13 22:43:53,760 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-13 22:43:53,761 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-13 22:43:53,761 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
[2021-10-13 22:43:53,763 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-10-13 22:43:53,783 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2021-10-13 22:43:54,225 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-13 22:43:54,227 INFO  L263         TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 14 conjunts are in the unsatisfiable core
[2021-10-13 22:43:54,241 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-13 22:43:55,128 INFO  L134       CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2021-10-13 22:43:55,129 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [930675248] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-13 22:43:55,129 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-10-13 22:43:55,129 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20
[2021-10-13 22:43:55,129 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122361863]
[2021-10-13 22:43:55,130 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 20 states
[2021-10-13 22:43:55,130 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-13 22:43:55,131 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants.
[2021-10-13 22:43:55,131 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=299, Unknown=0, NotChecked=0, Total=380
[2021-10-13 22:43:55,132 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-13 22:43:55,132 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-10-13 22:43:55,132 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 20 states, 20 states have (on average 13.5) internal successors, (270), 20 states have internal predecessors, (270), 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)
[2021-10-13 22:43:55,133 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-13 22:43:55,133 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2021-10-13 22:43:55,133 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2021-10-13 22:43:55,133 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. 
[2021-10-13 22:43:55,133 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-13 22:43:56,594 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-13 22:43:56,594 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-10-13 22:43:56,595 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-10-13 22:43:56,595 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. 
[2021-10-13 22:43:56,595 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2021-10-13 22:43:56,621 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2021-10-13 22:43:56,800 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-13 22:43:56,801 INFO  L402      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-10-13 22:43:56,802 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-13 22:43:56,802 INFO  L82        PathProgramCache]: Analyzing trace with hash -2045264067, now seen corresponding path program 1 times
[2021-10-13 22:43:56,803 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-13 22:43:56,804 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975161465]
[2021-10-13 22:43:56,804 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-13 22:43:56,805 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-13 22:43:56,840 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-13 22:43:56,925 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2021-10-13 22:43:56,926 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-13 22:43:56,926 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975161465]
[2021-10-13 22:43:56,926 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975161465] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-13 22:43:56,927 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1421450760]
[2021-10-13 22:43:56,927 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-13 22:43:56,927 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-13 22:43:56,927 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
[2021-10-13 22:43:56,928 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-10-13 22:43:56,940 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2021-10-13 22:43:57,420 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-13 22:43:57,423 INFO  L263         TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 9 conjunts are in the unsatisfiable core
[2021-10-13 22:43:57,427 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-13 22:43:57,875 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2021-10-13 22:43:57,876 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1421450760] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-13 22:43:57,876 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-10-13 22:43:57,876 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13
[2021-10-13 22:43:57,877 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648787327]
[2021-10-13 22:43:57,878 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2021-10-13 22:43:57,878 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-13 22:43:57,878 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2021-10-13 22:43:57,879 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156
[2021-10-13 22:43:57,879 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-13 22:43:57,879 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-10-13 22:43:57,880 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 13 states, 13 states have (on average 13.461538461538462) internal successors, (175), 13 states have internal predecessors, (175), 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)
[2021-10-13 22:43:57,880 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-13 22:43:57,880 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2021-10-13 22:43:57,880 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2021-10-13 22:43:57,881 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. 
[2021-10-13 22:43:57,881 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2021-10-13 22:43:57,881 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-13 22:43:59,647 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-13 22:43:59,647 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-10-13 22:43:59,647 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-10-13 22:43:59,647 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. 
[2021-10-13 22:43:59,648 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2021-10-13 22:43:59,648 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2021-10-13 22:43:59,684 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2021-10-13 22:43:59,864 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-13 22:43:59,865 INFO  L402      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-10-13 22:43:59,866 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-13 22:43:59,866 INFO  L82        PathProgramCache]: Analyzing trace with hash 896582123, now seen corresponding path program 2 times
[2021-10-13 22:43:59,867 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-13 22:43:59,867 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825139888]
[2021-10-13 22:43:59,868 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-13 22:43:59,868 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-13 22:43:59,992 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-13 22:44:08,116 INFO  L134       CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-13 22:44:08,117 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-13 22:44:08,117 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825139888]
[2021-10-13 22:44:08,117 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825139888] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-13 22:44:08,118 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1746295077]
[2021-10-13 22:44:08,118 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2021-10-13 22:44:08,118 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-13 22:44:08,118 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
[2021-10-13 22:44:08,124 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-10-13 22:44:08,125 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2021-10-13 22:44:08,728 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2021-10-13 22:44:08,729 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2021-10-13 22:44:08,732 INFO  L263         TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 50 conjunts are in the unsatisfiable core
[2021-10-13 22:44:08,736 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-13 22:44:12,905 INFO  L354             Elim1Store]: treesize reduction 37, result has 22.9 percent of original size
[2021-10-13 22:44:12,906 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 32
[2021-10-13 22:44:13,834 INFO  L354             Elim1Store]: treesize reduction 92, result has 20.0 percent of original size
[2021-10-13 22:44:13,835 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 3 case distinctions, treesize of input 57 treesize of output 51
[2021-10-13 22:44:14,279 INFO  L354             Elim1Store]: treesize reduction 3, result has 85.0 percent of original size
[2021-10-13 22:44:14,280 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 29
[2021-10-13 22:44:14,537 INFO  L134       CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.
[2021-10-13 22:44:14,537 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1746295077] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-13 22:44:14,537 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences.
[2021-10-13 22:44:14,538 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [51] total 73
[2021-10-13 22:44:14,538 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847535524]
[2021-10-13 22:44:14,539 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 28 states
[2021-10-13 22:44:14,539 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-13 22:44:14,539 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants.
[2021-10-13 22:44:14,543 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=303, Invalid=4953, Unknown=0, NotChecked=0, Total=5256
[2021-10-13 22:44:14,544 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-13 22:44:14,544 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-10-13 22:44:14,544 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 28 states, 28 states have (on average 5.428571428571429) internal successors, (152), 28 states have internal predecessors, (152), 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)
[2021-10-13 22:44:14,544 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-13 22:44:14,545 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2021-10-13 22:44:14,545 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2021-10-13 22:44:14,545 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. 
[2021-10-13 22:44:14,545 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2021-10-13 22:44:14,545 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2021-10-13 22:44:14,545 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-13 22:44:16,763 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-13 22:44:16,764 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-10-13 22:44:16,764 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-10-13 22:44:16,764 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. 
[2021-10-13 22:44:16,764 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2021-10-13 22:44:16,765 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2021-10-13 22:44:16,765 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. 
[2021-10-13 22:44:16,791 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0
[2021-10-13 22:44:16,966 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-13 22:44:16,966 INFO  L402      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-10-13 22:44:16,967 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-13 22:44:16,967 INFO  L82        PathProgramCache]: Analyzing trace with hash -181689211, now seen corresponding path program 2 times
[2021-10-13 22:44:16,968 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-13 22:44:16,968 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706088910]
[2021-10-13 22:44:16,968 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-13 22:44:16,969 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-13 22:44:17,017 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-13 22:44:17,066 INFO  L134       CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.
[2021-10-13 22:44:17,067 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-13 22:44:17,067 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706088910]
[2021-10-13 22:44:17,067 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706088910] provided 1 perfect and 0 imperfect interpolant sequences
[2021-10-13 22:44:17,067 INFO  L186   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-10-13 22:44:17,068 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2021-10-13 22:44:17,068 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95528802]
[2021-10-13 22:44:17,068 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-10-13 22:44:17,068 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-13 22:44:17,069 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-10-13 22:44:17,069 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2021-10-13 22:44:17,070 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-13 22:44:17,070 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-10-13 22:44:17,070 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 39.0) internal successors, (156), 4 states have internal predecessors, (156), 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)
[2021-10-13 22:44:17,070 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-13 22:44:17,070 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2021-10-13 22:44:17,071 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2021-10-13 22:44:17,071 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. 
[2021-10-13 22:44:17,071 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2021-10-13 22:44:17,071 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. 
[2021-10-13 22:44:17,071 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. 
[2021-10-13 22:44:17,071 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-13 22:44:17,634 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-13 22:44:17,635 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-10-13 22:44:17,635 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-10-13 22:44:17,635 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. 
[2021-10-13 22:44:17,635 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2021-10-13 22:44:17,635 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2021-10-13 22:44:17,635 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. 
[2021-10-13 22:44:17,636 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-10-13 22:44:17,636 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2021-10-13 22:44:17,636 INFO  L402      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-10-13 22:44:17,637 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-13 22:44:17,637 INFO  L82        PathProgramCache]: Analyzing trace with hash 1365685968, now seen corresponding path program 2 times
[2021-10-13 22:44:17,637 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-13 22:44:17,637 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804452109]
[2021-10-13 22:44:17,638 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-13 22:44:17,638 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-13 22:44:17,742 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-13 22:44:18,368 INFO  L134       CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2021-10-13 22:44:18,369 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-13 22:44:18,369 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804452109]
[2021-10-13 22:44:18,369 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804452109] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-13 22:44:18,369 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1787459805]
[2021-10-13 22:44:18,370 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2021-10-13 22:44:18,370 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-13 22:44:18,370 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
[2021-10-13 22:44:18,372 INFO  L229       MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-10-13 22:44:18,393 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2021-10-13 22:44:19,142 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2021-10-13 22:44:19,142 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2021-10-13 22:44:19,146 INFO  L263         TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 45 conjunts are in the unsatisfiable core
[2021-10-13 22:44:19,150 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-13 22:44:20,710 INFO  L354             Elim1Store]: treesize reduction 37, result has 22.9 percent of original size
[2021-10-13 22:44:20,711 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 35
[2021-10-13 22:44:21,048 INFO  L354             Elim1Store]: treesize reduction 13, result has 18.8 percent of original size
[2021-10-13 22:44:21,048 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 22
[2021-10-13 22:44:21,139 INFO  L134       CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2021-10-13 22:44:21,140 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1787459805] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-13 22:44:21,140 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-10-13 22:44:21,140 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 21] total 38
[2021-10-13 22:44:21,140 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982489125]
[2021-10-13 22:44:21,141 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 38 states
[2021-10-13 22:44:21,141 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-13 22:44:21,142 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants.
[2021-10-13 22:44:21,143 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=1305, Unknown=0, NotChecked=0, Total=1406
[2021-10-13 22:44:21,143 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-13 22:44:21,143 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-10-13 22:44:21,144 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 38 states, 38 states have (on average 7.2631578947368425) internal successors, (276), 38 states have internal predecessors, (276), 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)
[2021-10-13 22:44:21,144 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-13 22:44:21,144 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2021-10-13 22:44:21,144 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2021-10-13 22:44:21,144 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. 
[2021-10-13 22:44:21,144 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2021-10-13 22:44:21,145 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2021-10-13 22:44:21,145 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. 
[2021-10-13 22:44:21,145 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2021-10-13 22:44:21,145 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-13 22:44:23,745 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-13 22:44:23,746 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-10-13 22:44:23,746 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-10-13 22:44:23,746 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. 
[2021-10-13 22:44:23,746 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2021-10-13 22:44:23,746 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2021-10-13 22:44:23,747 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. 
[2021-10-13 22:44:23,747 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-10-13 22:44:23,747 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. 
[2021-10-13 22:44:23,796 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0
[2021-10-13 22:44:23,962 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-13 22:44:23,963 INFO  L402      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-10-13 22:44:23,964 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-13 22:44:23,964 INFO  L82        PathProgramCache]: Analyzing trace with hash 1235481991, now seen corresponding path program 1 times
[2021-10-13 22:44:23,964 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-13 22:44:23,965 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164678731]
[2021-10-13 22:44:23,965 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-13 22:44:23,965 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-13 22:44:24,029 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-13 22:44:24,111 INFO  L134       CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.
[2021-10-13 22:44:24,112 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-13 22:44:24,112 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164678731]
[2021-10-13 22:44:24,112 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164678731] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-13 22:44:24,112 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1187452424]
[2021-10-13 22:44:24,112 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-13 22:44:24,113 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-13 22:44:24,113 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
[2021-10-13 22:44:24,114 INFO  L229       MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-10-13 22:44:24,121 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2021-10-13 22:44:25,022 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-13 22:44:25,024 INFO  L263         TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 9 conjunts are in the unsatisfiable core
[2021-10-13 22:44:25,027 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-13 22:44:25,491 INFO  L134       CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.
[2021-10-13 22:44:25,491 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1187452424] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-13 22:44:25,491 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-10-13 22:44:25,491 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 13
[2021-10-13 22:44:25,492 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130853113]
[2021-10-13 22:44:25,493 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2021-10-13 22:44:25,493 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-13 22:44:25,493 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2021-10-13 22:44:25,493 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156
[2021-10-13 22:44:25,494 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-13 22:44:25,494 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-10-13 22:44:25,494 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 13 states, 13 states have (on average 13.76923076923077) internal successors, (179), 13 states have internal predecessors, (179), 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)
[2021-10-13 22:44:25,494 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-13 22:44:25,494 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2021-10-13 22:44:25,495 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2021-10-13 22:44:25,495 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. 
[2021-10-13 22:44:25,495 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2021-10-13 22:44:25,495 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2021-10-13 22:44:25,495 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. 
[2021-10-13 22:44:25,495 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2021-10-13 22:44:25,495 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. 
[2021-10-13 22:44:25,495 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-13 22:44:25,857 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-13 22:44:25,857 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-10-13 22:44:25,858 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-10-13 22:44:25,858 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. 
[2021-10-13 22:44:25,858 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2021-10-13 22:44:25,858 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2021-10-13 22:44:25,858 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. 
[2021-10-13 22:44:25,858 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-10-13 22:44:25,859 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. 
[2021-10-13 22:44:25,859 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2021-10-13 22:44:25,891 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0
[2021-10-13 22:44:26,074 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9
[2021-10-13 22:44:26,075 INFO  L402      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-10-13 22:44:26,076 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-13 22:44:26,076 INFO  L82        PathProgramCache]: Analyzing trace with hash -544049836, now seen corresponding path program 3 times
[2021-10-13 22:44:26,077 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-13 22:44:26,077 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922152208]
[2021-10-13 22:44:26,078 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-13 22:44:26,078 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-13 22:44:26,152 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-13 22:44:27,012 INFO  L134       CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2021-10-13 22:44:27,012 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-13 22:44:27,012 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922152208]
[2021-10-13 22:44:27,012 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922152208] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-13 22:44:27,012 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [226985320]
[2021-10-13 22:44:27,013 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2021-10-13 22:44:27,013 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-13 22:44:27,013 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
[2021-10-13 22:44:27,014 INFO  L229       MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-10-13 22:44:27,019 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process
[2021-10-13 22:44:27,990 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s)
[2021-10-13 22:44:27,990 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2021-10-13 22:44:27,992 INFO  L263         TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 27 conjunts are in the unsatisfiable core
[2021-10-13 22:44:27,997 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-13 22:44:29,290 INFO  L354             Elim1Store]: treesize reduction 37, result has 22.9 percent of original size
[2021-10-13 22:44:29,291 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 27
[2021-10-13 22:44:29,425 INFO  L354             Elim1Store]: treesize reduction 37, result has 22.9 percent of original size
[2021-10-13 22:44:29,425 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 27
[2021-10-13 22:44:29,485 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 10
[2021-10-13 22:44:29,557 INFO  L134       CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.
[2021-10-13 22:44:29,558 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [226985320] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-13 22:44:29,558 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-10-13 22:44:29,558 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 14] total 34
[2021-10-13 22:44:29,558 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261237922]
[2021-10-13 22:44:29,559 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 34 states
[2021-10-13 22:44:29,559 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-13 22:44:29,560 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants.
[2021-10-13 22:44:29,560 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=1032, Unknown=0, NotChecked=0, Total=1122
[2021-10-13 22:44:29,560 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-13 22:44:29,561 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-10-13 22:44:29,561 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 34 states, 34 states have (on average 8.176470588235293) internal successors, (278), 34 states have internal predecessors, (278), 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)
[2021-10-13 22:44:29,561 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-13 22:44:29,561 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2021-10-13 22:44:29,562 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2021-10-13 22:44:29,562 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. 
[2021-10-13 22:44:29,562 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. 
[2021-10-13 22:44:29,562 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2021-10-13 22:44:29,562 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. 
[2021-10-13 22:44:29,562 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2021-10-13 22:44:29,562 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. 
[2021-10-13 22:44:29,562 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2021-10-13 22:44:29,562 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-13 22:44:34,174 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-13 22:44:34,174 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-10-13 22:44:34,175 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-10-13 22:44:34,175 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. 
[2021-10-13 22:44:34,175 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2021-10-13 22:44:34,175 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2021-10-13 22:44:34,175 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. 
[2021-10-13 22:44:34,175 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-10-13 22:44:34,175 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. 
[2021-10-13 22:44:34,175 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2021-10-13 22:44:34,176 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. 
[2021-10-13 22:44:34,225 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0
[2021-10-13 22:44:34,389 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10
[2021-10-13 22:44:34,390 INFO  L402      AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-10-13 22:44:34,391 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-13 22:44:34,391 INFO  L82        PathProgramCache]: Analyzing trace with hash 2086773744, now seen corresponding path program 2 times
[2021-10-13 22:44:34,391 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-13 22:44:34,392 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12486256]
[2021-10-13 22:44:34,392 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-13 22:44:34,393 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-13 22:44:34,516 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-13 22:44:38,685 INFO  L134       CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-13 22:44:38,685 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-13 22:44:38,685 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12486256]
[2021-10-13 22:44:38,686 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12486256] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-13 22:44:38,686 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1558410708]
[2021-10-13 22:44:38,686 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2021-10-13 22:44:38,686 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-13 22:44:38,686 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
[2021-10-13 22:44:38,687 INFO  L229       MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-10-13 22:44:38,695 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process
[2021-10-13 22:44:39,838 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2021-10-13 22:44:39,838 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2021-10-13 22:44:39,841 INFO  L263         TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 81 conjunts are in the unsatisfiable core
[2021-10-13 22:44:39,847 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-13 22:44:47,045 INFO  L354             Elim1Store]: treesize reduction 37, result has 22.9 percent of original size
[2021-10-13 22:44:47,046 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 49
[2021-10-13 22:44:48,881 INFO  L354             Elim1Store]: treesize reduction 169, result has 17.2 percent of original size
[2021-10-13 22:44:48,884 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 69 treesize of output 74
[2021-10-13 22:44:50,961 INFO  L354             Elim1Store]: treesize reduction 88, result has 24.1 percent of original size
[2021-10-13 22:44:50,962 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 79 treesize of output 73
[2021-10-13 22:44:51,022 INFO  L134       CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-13 22:44:51,023 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1558410708] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-13 22:44:51,023 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-10-13 22:44:51,023 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 41] total 76
[2021-10-13 22:44:51,023 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738058031]
[2021-10-13 22:44:51,024 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 76 states
[2021-10-13 22:44:51,024 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-13 22:44:51,025 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants.
[2021-10-13 22:44:51,027 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=280, Invalid=5420, Unknown=0, NotChecked=0, Total=5700
[2021-10-13 22:44:51,027 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-13 22:44:51,027 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-10-13 22:44:51,028 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 76 states, 76 states have (on average 3.9210526315789473) internal successors, (298), 76 states have internal predecessors, (298), 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)
[2021-10-13 22:44:51,028 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-13 22:44:51,028 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2021-10-13 22:44:51,028 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2021-10-13 22:44:51,028 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. 
[2021-10-13 22:44:51,028 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. 
[2021-10-13 22:44:51,028 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2021-10-13 22:44:51,028 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. 
[2021-10-13 22:44:51,028 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2021-10-13 22:44:51,028 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. 
[2021-10-13 22:44:51,028 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2021-10-13 22:44:51,029 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. 
[2021-10-13 22:44:51,029 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-13 22:45:06,520 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-13 22:45:06,520 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-10-13 22:45:06,520 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-10-13 22:45:06,520 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. 
[2021-10-13 22:45:06,520 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2021-10-13 22:45:06,520 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2021-10-13 22:45:06,520 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. 
[2021-10-13 22:45:06,520 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-10-13 22:45:06,520 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. 
[2021-10-13 22:45:06,521 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2021-10-13 22:45:06,521 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. 
[2021-10-13 22:45:06,521 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. 
[2021-10-13 22:45:06,564 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0
[2021-10-13 22:45:06,721 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-13 22:45:06,722 INFO  L402      AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-10-13 22:45:06,722 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-13 22:45:06,722 INFO  L82        PathProgramCache]: Analyzing trace with hash -1256063990, now seen corresponding path program 1 times
[2021-10-13 22:45:06,722 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-13 22:45:06,723 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512681119]
[2021-10-13 22:45:06,723 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-13 22:45:06,723 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-13 22:45:06,871 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-13 22:45:11,892 INFO  L134       CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-13 22:45:11,892 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-13 22:45:11,892 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512681119]
[2021-10-13 22:45:11,892 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512681119] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-13 22:45:11,893 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [337308653]
[2021-10-13 22:45:11,893 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-13 22:45:11,893 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-13 22:45:11,893 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
[2021-10-13 22:45:11,894 INFO  L229       MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-10-13 22:45:11,896 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process
[2021-10-13 22:45:13,365 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-13 22:45:13,368 INFO  L263         TraceCheckSpWp]: Trace formula consists of 432 conjuncts, 127 conjunts are in the unsatisfiable core
[2021-10-13 22:45:13,374 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-13 22:45:13,435 INFO  L388             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
[2021-10-13 22:45:13,553 INFO  L354             Elim1Store]: treesize reduction 15, result has 25.0 percent of original size
[2021-10-13 22:45:13,554 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14
[2021-10-13 22:45:13,712 INFO  L354             Elim1Store]: treesize reduction 36, result has 23.4 percent of original size
[2021-10-13 22:45:13,712 INFO  L388             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 3 case distinctions, treesize of input 17 treesize of output 22
[2021-10-13 22:45:15,888 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2021-10-13 22:45:15,890 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2021-10-13 22:45:15,892 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2021-10-13 22:45:15,896 INFO  L354             Elim1Store]: treesize reduction 24, result has 4.0 percent of original size
[2021-10-13 22:45:15,896 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 22 treesize of output 30
[2021-10-13 22:45:17,667 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11
[2021-10-13 22:45:20,453 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2021-10-13 22:45:20,456 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2021-10-13 22:45:20,458 INFO  L190   IndexEqualityManager]: detected not equals via solver
[2021-10-13 22:45:20,482 INFO  L354             Elim1Store]: treesize reduction 40, result has 29.8 percent of original size
[2021-10-13 22:45:20,483 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 26 treesize of output 32
[2021-10-13 22:45:21,348 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11
[2021-10-13 22:45:22,221 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11
[2021-10-13 22:45:24,385 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 17
[2021-10-13 22:45:25,401 INFO  L354             Elim1Store]: treesize reduction 37, result has 22.9 percent of original size
[2021-10-13 22:45:25,402 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 31
[2021-10-13 22:45:27,388 INFO  L354             Elim1Store]: treesize reduction 128, result has 21.5 percent of original size
[2021-10-13 22:45:27,389 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 75 treesize of output 71
[2021-10-13 22:45:31,999 INFO  L354             Elim1Store]: treesize reduction 280, result has 2.4 percent of original size
[2021-10-13 22:45:32,000 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 125 treesize of output 55
[2021-10-13 22:45:32,355 INFO  L134       CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-13 22:45:32,355 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [337308653] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-13 22:45:32,355 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-10-13 22:45:32,355 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52, 57] total 103
[2021-10-13 22:45:32,356 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858511012]
[2021-10-13 22:45:32,357 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 103 states
[2021-10-13 22:45:32,357 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-13 22:45:32,357 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 103 interpolants.
[2021-10-13 22:45:32,361 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=488, Invalid=10018, Unknown=0, NotChecked=0, Total=10506
[2021-10-13 22:45:32,362 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-13 22:45:32,362 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-10-13 22:45:32,362 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 103 states, 103 states have (on average 3.262135922330097) internal successors, (336), 103 states have internal predecessors, (336), 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)
[2021-10-13 22:45:32,362 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-13 22:45:32,363 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2021-10-13 22:45:32,363 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2021-10-13 22:45:32,363 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. 
[2021-10-13 22:45:32,363 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. 
[2021-10-13 22:45:32,363 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2021-10-13 22:45:32,363 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. 
[2021-10-13 22:45:32,363 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2021-10-13 22:45:32,363 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. 
[2021-10-13 22:45:32,364 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2021-10-13 22:45:32,364 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. 
[2021-10-13 22:45:32,364 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. 
[2021-10-13 22:45:32,364 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-13 22:45:51,686 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-13 22:45:51,686 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-10-13 22:45:51,686 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-10-13 22:45:51,686 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. 
[2021-10-13 22:45:51,686 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2021-10-13 22:45:51,686 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2021-10-13 22:45:51,687 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. 
[2021-10-13 22:45:51,687 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-10-13 22:45:51,687 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. 
[2021-10-13 22:45:51,687 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2021-10-13 22:45:51,687 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. 
[2021-10-13 22:45:51,687 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. 
[2021-10-13 22:45:51,687 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. 
[2021-10-13 22:45:51,716 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0
[2021-10-13 22:45:51,888 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12
[2021-10-13 22:45:51,889 INFO  L402      AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-10-13 22:45:51,889 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-13 22:45:51,890 INFO  L82        PathProgramCache]: Analyzing trace with hash -690330746, now seen corresponding path program 2 times
[2021-10-13 22:45:51,890 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-13 22:45:51,892 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213275227]
[2021-10-13 22:45:51,893 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-13 22:45:51,893 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-13 22:45:51,950 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-13 22:45:52,022 INFO  L134       CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked.
[2021-10-13 22:45:52,023 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-13 22:45:52,023 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213275227]
[2021-10-13 22:45:52,023 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213275227] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-13 22:45:52,023 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1689921512]
[2021-10-13 22:45:52,023 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2021-10-13 22:45:52,023 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-13 22:45:52,024 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
[2021-10-13 22:45:52,026 INFO  L229       MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-10-13 22:45:52,062 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process
[2021-10-13 22:45:54,024 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2021-10-13 22:45:54,024 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2021-10-13 22:45:54,026 INFO  L263         TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 10 conjunts are in the unsatisfiable core
[2021-10-13 22:45:54,029 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-13 22:45:54,471 INFO  L134       CoverageAnalysis]: Checked inductivity of 36 backedges. 12 proven. 5 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked.
[2021-10-13 22:45:54,471 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1689921512] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-13 22:45:54,472 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-10-13 22:45:54,472 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 6
[2021-10-13 22:45:54,472 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039092878]
[2021-10-13 22:45:54,473 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2021-10-13 22:45:54,473 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-13 22:45:54,473 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2021-10-13 22:45:54,474 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2021-10-13 22:45:54,474 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-13 22:45:54,474 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-10-13 22:45:54,474 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 29.333333333333332) internal successors, (176), 6 states have internal predecessors, (176), 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)
[2021-10-13 22:45:54,474 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-13 22:45:54,474 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2021-10-13 22:45:54,474 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2021-10-13 22:45:54,475 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. 
[2021-10-13 22:45:54,475 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. 
[2021-10-13 22:45:54,475 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2021-10-13 22:45:54,475 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. 
[2021-10-13 22:45:54,475 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2021-10-13 22:45:54,475 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. 
[2021-10-13 22:45:54,475 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2021-10-13 22:45:54,475 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. 
[2021-10-13 22:45:54,475 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. 
[2021-10-13 22:45:54,476 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. 
[2021-10-13 22:45:54,476 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-13 22:45:56,625 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-13 22:45:56,625 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-10-13 22:45:56,625 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-10-13 22:45:56,625 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. 
[2021-10-13 22:45:56,625 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2021-10-13 22:45:56,626 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2021-10-13 22:45:56,626 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. 
[2021-10-13 22:45:56,626 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-10-13 22:45:56,626 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. 
[2021-10-13 22:45:56,626 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2021-10-13 22:45:56,626 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. 
[2021-10-13 22:45:56,626 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. 
[2021-10-13 22:45:56,627 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. 
[2021-10-13 22:45:56,627 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-10-13 22:45:56,677 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0
[2021-10-13 22:45:56,827 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,12 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-13 22:45:56,828 INFO  L402      AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-10-13 22:45:56,829 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-13 22:45:56,829 INFO  L82        PathProgramCache]: Analyzing trace with hash -142874062, now seen corresponding path program 3 times
[2021-10-13 22:45:56,829 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-13 22:45:56,830 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210998277]
[2021-10-13 22:45:56,830 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-13 22:45:56,830 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-13 22:45:56,939 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-13 22:46:02,339 INFO  L134       CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-13 22:46:02,339 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-13 22:46:02,339 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210998277]
[2021-10-13 22:46:02,339 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210998277] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-13 22:46:02,340 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2071134151]
[2021-10-13 22:46:02,340 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2021-10-13 22:46:02,340 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-13 22:46:02,340 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
[2021-10-13 22:46:02,341 INFO  L229       MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-10-13 22:46:02,342 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process
[2021-10-13 22:46:04,513 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s)
[2021-10-13 22:46:04,514 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2021-10-13 22:46:04,517 INFO  L263         TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 75 conjunts are in the unsatisfiable core
[2021-10-13 22:46:04,522 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-13 22:46:09,730 INFO  L354             Elim1Store]: treesize reduction 37, result has 22.9 percent of original size
[2021-10-13 22:46:09,731 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 43
[2021-10-13 22:46:11,187 INFO  L354             Elim1Store]: treesize reduction 177, result has 13.2 percent of original size
[2021-10-13 22:46:11,188 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 85 treesize of output 73
[2021-10-13 22:46:16,206 INFO  L354             Elim1Store]: treesize reduction 335, result has 15.6 percent of original size
[2021-10-13 22:46:16,207 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 150 treesize of output 118
[2021-10-13 22:46:16,532 INFO  L134       CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked.
[2021-10-13 22:46:16,532 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [2071134151] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-13 22:46:16,532 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-10-13 22:46:16,532 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52, 35] total 77
[2021-10-13 22:46:16,532 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574925043]
[2021-10-13 22:46:16,534 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 77 states
[2021-10-13 22:46:16,534 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-13 22:46:16,534 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants.
[2021-10-13 22:46:16,536 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=297, Invalid=5555, Unknown=0, NotChecked=0, Total=5852
[2021-10-13 22:46:16,536 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-13 22:46:16,537 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-10-13 22:46:16,537 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 77 states, 77 states have (on average 4.0) internal successors, (308), 77 states have internal predecessors, (308), 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)
[2021-10-13 22:46:16,537 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-13 22:46:16,537 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2021-10-13 22:46:16,537 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2021-10-13 22:46:16,537 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. 
[2021-10-13 22:46:16,538 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. 
[2021-10-13 22:46:16,538 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2021-10-13 22:46:16,538 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. 
[2021-10-13 22:46:16,538 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2021-10-13 22:46:16,538 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. 
[2021-10-13 22:46:16,538 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2021-10-13 22:46:16,538 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. 
[2021-10-13 22:46:16,538 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. 
[2021-10-13 22:46:16,538 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. 
[2021-10-13 22:46:16,538 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2021-10-13 22:46:16,538 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-13 22:46:33,077 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-13 22:46:33,077 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-10-13 22:46:33,078 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-10-13 22:46:33,078 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. 
[2021-10-13 22:46:33,078 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2021-10-13 22:46:33,078 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2021-10-13 22:46:33,078 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. 
[2021-10-13 22:46:33,078 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-10-13 22:46:33,078 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. 
[2021-10-13 22:46:33,078 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2021-10-13 22:46:33,079 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. 
[2021-10-13 22:46:33,079 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. 
[2021-10-13 22:46:33,079 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. 
[2021-10-13 22:46:33,079 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-10-13 22:46:33,079 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. 
[2021-10-13 22:46:33,138 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0
[2021-10-13 22:46:33,293 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14
[2021-10-13 22:46:33,293 INFO  L402      AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-10-13 22:46:33,294 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-13 22:46:33,294 INFO  L82        PathProgramCache]: Analyzing trace with hash 1676225105, now seen corresponding path program 4 times
[2021-10-13 22:46:33,294 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-13 22:46:33,295 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665725429]
[2021-10-13 22:46:33,295 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-13 22:46:33,295 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-13 22:46:33,349 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-13 22:46:33,472 INFO  L134       CoverageAnalysis]: Checked inductivity of 34 backedges. 5 proven. 12 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked.
[2021-10-13 22:46:33,472 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-13 22:46:33,472 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665725429]
[2021-10-13 22:46:33,473 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665725429] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-13 22:46:33,473 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1389436495]
[2021-10-13 22:46:33,473 INFO  L93    rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2021-10-13 22:46:33,474 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-13 22:46:33,474 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
[2021-10-13 22:46:33,475 INFO  L229       MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-10-13 22:46:33,493 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process
[2021-10-13 22:46:35,799 INFO  L228   tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2021-10-13 22:46:35,799 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2021-10-13 22:46:35,801 INFO  L263         TraceCheckSpWp]: Trace formula consists of 396 conjuncts, 12 conjunts are in the unsatisfiable core
[2021-10-13 22:46:35,803 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-13 22:46:36,605 INFO  L134       CoverageAnalysis]: Checked inductivity of 34 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked.
[2021-10-13 22:46:36,606 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1389436495] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-13 22:46:36,606 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-10-13 22:46:36,606 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 19
[2021-10-13 22:46:36,607 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351430188]
[2021-10-13 22:46:36,608 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 19 states
[2021-10-13 22:46:36,608 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-13 22:46:36,609 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants.
[2021-10-13 22:46:36,609 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=273, Unknown=0, NotChecked=0, Total=342
[2021-10-13 22:46:36,609 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-13 22:46:36,609 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-10-13 22:46:36,609 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 19 states, 19 states have (on average 11.210526315789474) internal successors, (213), 19 states have internal predecessors, (213), 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)
[2021-10-13 22:46:36,609 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-13 22:46:36,610 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2021-10-13 22:46:36,610 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2021-10-13 22:46:36,610 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. 
[2021-10-13 22:46:36,610 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. 
[2021-10-13 22:46:36,610 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2021-10-13 22:46:36,610 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. 
[2021-10-13 22:46:36,610 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2021-10-13 22:46:36,610 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. 
[2021-10-13 22:46:36,610 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2021-10-13 22:46:36,610 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. 
[2021-10-13 22:46:36,610 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. 
[2021-10-13 22:46:36,610 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. 
[2021-10-13 22:46:36,610 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2021-10-13 22:46:36,611 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. 
[2021-10-13 22:46:36,611 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-13 22:46:44,300 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-13 22:46:44,300 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-10-13 22:46:44,300 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-10-13 22:46:44,300 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. 
[2021-10-13 22:46:44,300 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2021-10-13 22:46:44,300 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2021-10-13 22:46:44,300 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. 
[2021-10-13 22:46:44,300 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-10-13 22:46:44,300 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. 
[2021-10-13 22:46:44,300 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2021-10-13 22:46:44,300 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. 
[2021-10-13 22:46:44,301 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. 
[2021-10-13 22:46:44,301 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. 
[2021-10-13 22:46:44,301 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-10-13 22:46:44,301 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. 
[2021-10-13 22:46:44,301 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. 
[2021-10-13 22:46:44,334 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0
[2021-10-13 22:46:44,501 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15
[2021-10-13 22:46:44,502 INFO  L402      AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-10-13 22:46:44,503 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-13 22:46:44,503 INFO  L82        PathProgramCache]: Analyzing trace with hash -757097113, now seen corresponding path program 3 times
[2021-10-13 22:46:44,503 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-13 22:46:44,504 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216734113]
[2021-10-13 22:46:44,504 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-13 22:46:44,505 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-13 22:46:44,592 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-13 22:46:49,807 INFO  L134       CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-13 22:46:49,807 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-13 22:46:49,807 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216734113]
[2021-10-13 22:46:49,808 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216734113] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-13 22:46:49,808 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [412510615]
[2021-10-13 22:46:49,808 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2021-10-13 22:46:49,808 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-13 22:46:49,808 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
[2021-10-13 22:46:49,809 INFO  L229       MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-10-13 22:46:49,810 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process
[2021-10-13 22:46:52,298 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s)
[2021-10-13 22:46:52,298 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2021-10-13 22:46:52,300 INFO  L263         TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 49 conjunts are in the unsatisfiable core
[2021-10-13 22:46:52,305 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-13 22:46:56,396 INFO  L354             Elim1Store]: treesize reduction 37, result has 22.9 percent of original size
[2021-10-13 22:46:56,396 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 32
[2021-10-13 22:46:57,519 INFO  L354             Elim1Store]: treesize reduction 92, result has 20.0 percent of original size
[2021-10-13 22:46:57,520 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 3 case distinctions, treesize of input 57 treesize of output 51
[2021-10-13 22:46:59,110 INFO  L354             Elim1Store]: treesize reduction 3, result has 85.0 percent of original size
[2021-10-13 22:46:59,110 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 29
[2021-10-13 22:46:59,238 INFO  L134       CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked.
[2021-10-13 22:46:59,239 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [412510615] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-13 22:46:59,239 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-10-13 22:46:59,239 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 28] total 70
[2021-10-13 22:46:59,239 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938423730]
[2021-10-13 22:46:59,240 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 70 states
[2021-10-13 22:46:59,240 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-13 22:46:59,240 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants.
[2021-10-13 22:46:59,242 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=271, Invalid=4559, Unknown=0, NotChecked=0, Total=4830
[2021-10-13 22:46:59,242 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-13 22:46:59,242 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-10-13 22:46:59,242 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 70 states, 70 states have (on average 4.5285714285714285) internal successors, (317), 70 states have internal predecessors, (317), 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)
[2021-10-13 22:46:59,243 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-13 22:46:59,243 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2021-10-13 22:46:59,243 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2021-10-13 22:46:59,243 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. 
[2021-10-13 22:46:59,243 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. 
[2021-10-13 22:46:59,243 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2021-10-13 22:46:59,243 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. 
[2021-10-13 22:46:59,243 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2021-10-13 22:46:59,243 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. 
[2021-10-13 22:46:59,243 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2021-10-13 22:46:59,243 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. 
[2021-10-13 22:46:59,243 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. 
[2021-10-13 22:46:59,243 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. 
[2021-10-13 22:46:59,244 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2021-10-13 22:46:59,244 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. 
[2021-10-13 22:46:59,244 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. 
[2021-10-13 22:46:59,244 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-13 22:47:10,240 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-13 22:47:10,240 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-10-13 22:47:10,240 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-10-13 22:47:10,240 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. 
[2021-10-13 22:47:10,240 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2021-10-13 22:47:10,241 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2021-10-13 22:47:10,241 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. 
[2021-10-13 22:47:10,241 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-10-13 22:47:10,241 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. 
[2021-10-13 22:47:10,241 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2021-10-13 22:47:10,241 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. 
[2021-10-13 22:47:10,241 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. 
[2021-10-13 22:47:10,241 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. 
[2021-10-13 22:47:10,241 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-10-13 22:47:10,241 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. 
[2021-10-13 22:47:10,241 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. 
[2021-10-13 22:47:10,242 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. 
[2021-10-13 22:47:10,275 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0
[2021-10-13 22:47:10,444 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16
[2021-10-13 22:47:10,445 INFO  L402      AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-10-13 22:47:10,445 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-13 22:47:10,445 INFO  L82        PathProgramCache]: Analyzing trace with hash 1082679809, now seen corresponding path program 5 times
[2021-10-13 22:47:10,446 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-13 22:47:10,446 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735490964]
[2021-10-13 22:47:10,446 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-13 22:47:10,446 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-13 22:47:10,567 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-13 22:47:18,746 INFO  L134       CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-13 22:47:18,746 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-13 22:47:18,747 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735490964]
[2021-10-13 22:47:18,747 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735490964] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-13 22:47:18,747 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1927191090]
[2021-10-13 22:47:18,747 INFO  L93    rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2021-10-13 22:47:18,747 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-13 22:47:18,747 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
[2021-10-13 22:47:18,748 INFO  L229       MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-10-13 22:47:18,751 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process
[2021-10-13 22:47:21,598 INFO  L228   tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s)
[2021-10-13 22:47:21,598 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2021-10-13 22:47:21,602 INFO  L263         TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 94 conjunts are in the unsatisfiable core
[2021-10-13 22:47:21,606 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-13 22:47:27,072 INFO  L354             Elim1Store]: treesize reduction 37, result has 22.9 percent of original size
[2021-10-13 22:47:27,073 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 32
[2021-10-13 22:47:28,427 INFO  L354             Elim1Store]: treesize reduction 174, result has 17.1 percent of original size
[2021-10-13 22:47:28,428 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 82 treesize of output 69
[2021-10-13 22:47:30,199 INFO  L354             Elim1Store]: treesize reduction 65, result has 45.4 percent of original size
[2021-10-13 22:47:30,199 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 114 treesize of output 82
[2021-10-13 22:47:30,488 INFO  L134       CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked.
[2021-10-13 22:47:30,489 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1927191090] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-13 22:47:30,489 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-10-13 22:47:30,489 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 39] total 87
[2021-10-13 22:47:30,489 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766845693]
[2021-10-13 22:47:30,490 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 87 states
[2021-10-13 22:47:30,490 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-13 22:47:30,491 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants.
[2021-10-13 22:47:30,494 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=378, Invalid=7104, Unknown=0, NotChecked=0, Total=7482
[2021-10-13 22:47:30,494 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-13 22:47:30,494 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-10-13 22:47:30,494 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 87 states, 87 states have (on average 3.9080459770114944) internal successors, (340), 87 states have internal predecessors, (340), 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)
[2021-10-13 22:47:30,495 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-13 22:47:30,495 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2021-10-13 22:47:30,495 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2021-10-13 22:47:30,495 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. 
[2021-10-13 22:47:30,495 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. 
[2021-10-13 22:47:30,495 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2021-10-13 22:47:30,495 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. 
[2021-10-13 22:47:30,495 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2021-10-13 22:47:30,496 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. 
[2021-10-13 22:47:30,496 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2021-10-13 22:47:30,496 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. 
[2021-10-13 22:47:30,496 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. 
[2021-10-13 22:47:30,496 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. 
[2021-10-13 22:47:30,496 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2021-10-13 22:47:30,496 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. 
[2021-10-13 22:47:30,497 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. 
[2021-10-13 22:47:30,497 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. 
[2021-10-13 22:47:30,497 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-13 22:47:46,750 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-13 22:47:46,750 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2021-10-13 22:47:46,751 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2021-10-13 22:47:46,751 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. 
[2021-10-13 22:47:46,751 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. 
[2021-10-13 22:47:46,751 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2021-10-13 22:47:46,751 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. 
[2021-10-13 22:47:46,751 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2021-10-13 22:47:46,751 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. 
[2021-10-13 22:47:46,751 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2021-10-13 22:47:46,751 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. 
[2021-10-13 22:47:46,752 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. 
[2021-10-13 22:47:46,752 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. 
[2021-10-13 22:47:46,752 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2021-10-13 22:47:46,752 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. 
[2021-10-13 22:47:46,752 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. 
[2021-10-13 22:47:46,752 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. 
[2021-10-13 22:47:46,752 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. 
[2021-10-13 22:47:46,810 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0
[2021-10-13 22:47:46,961 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17
[2021-10-13 22:47:46,961 INFO  L402      AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2021-10-13 22:47:46,962 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-13 22:47:46,962 INFO  L82        PathProgramCache]: Analyzing trace with hash -1602557883, now seen corresponding path program 4 times
[2021-10-13 22:47:46,962 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-13 22:47:46,962 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704554696]
[2021-10-13 22:47:46,963 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-13 22:47:46,963 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-13 22:47:47,083 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-13 22:47:52,349 INFO  L134       CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-13 22:47:52,349 INFO  L139   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2021-10-13 22:47:52,349 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704554696]
[2021-10-13 22:47:52,350 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704554696] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-13 22:47:52,350 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2010125023]
[2021-10-13 22:47:52,350 INFO  L93    rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2021-10-13 22:47:52,350 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-13 22:47:52,350 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
[2021-10-13 22:47:52,351 INFO  L229       MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2021-10-13 22:47:52,352 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process
[2021-10-13 22:47:55,328 INFO  L228   tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2021-10-13 22:47:55,328 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2021-10-13 22:47:55,332 INFO  L263         TraceCheckSpWp]: Trace formula consists of 377 conjuncts, 88 conjunts are in the unsatisfiable core
[2021-10-13 22:47:55,337 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-13 22:47:55,366 INFO  L388             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
[2021-10-13 22:47:55,437 INFO  L354             Elim1Store]: treesize reduction 18, result has 35.7 percent of original size
[2021-10-13 22:47:55,438 INFO  L388             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
[2021-10-13 22:47:56,779 INFO  L354             Elim1Store]: treesize reduction 8, result has 52.9 percent of original size
[2021-10-13 22:47:56,779 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18
[2021-10-13 22:48:02,904 INFO  L354             Elim1Store]: treesize reduction 37, result has 22.9 percent of original size
[2021-10-13 22:48:02,905 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 30
[2021-10-13 22:48:04,873 INFO  L354             Elim1Store]: treesize reduction 92, result has 20.0 percent of original size
[2021-10-13 22:48:04,874 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 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 3 case distinctions, treesize of input 59 treesize of output 53
[2021-10-13 22:48:05,367 INFO  L354             Elim1Store]: treesize reduction 0, result has 100.0 percent of original size
[2021-10-13 22:48:05,367 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 44
[2021-10-13 22:48:05,527 INFO  L134       CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-13 22:48:05,528 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleZ3 [2010125023] provided 0 perfect and 1 imperfect interpolant sequences
[2021-10-13 22:48:05,528 INFO  L186   FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences.
[2021-10-13 22:48:05,528 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 46] total 88
[2021-10-13 22:48:05,528 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724401243]
[2021-10-13 22:48:05,529 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 88 states
[2021-10-13 22:48:05,529 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-10-13 22:48:05,530 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants.
[2021-10-13 22:48:05,532 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=265, Invalid=7391, Unknown=0, NotChecked=0, Total=7656
[2021-10-13 22:48:05,533 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2021-10-13 22:48:05,533 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2021-10-13 22:48:05,533 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 88 states, 88 states have (on average 3.772727272727273) internal successors, (332), 88 states have internal predecessors, (332), 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)
[2021-10-13 22:48:05,533 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2021-10-13 22:48:05,533 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2021-10-13 22:48:05,534 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2021-10-13 22:48:05,534 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. 
[2021-10-13 22:48:05,534 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. 
[2021-10-13 22:48:05,534 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2021-10-13 22:48:05,534 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. 
[2021-10-13 22:48:05,534 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2021-10-13 22:48:05,534 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. 
[2021-10-13 22:48:05,534 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. 
[2021-10-13 22:48:05,534 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. 
[2021-10-13 22:48:05,535 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. 
[2021-10-13 22:48:05,535 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. 
[2021-10-13 22:48:05,535 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2021-10-13 22:48:05,535 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. 
[2021-10-13 22:48:05,535 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. 
[2021-10-13 22:48:05,535 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. 
[2021-10-13 22:48:05,535 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. 
[2021-10-13 22:48:05,535 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
Received shutdown request...
[2021-10-13 22:48:26,676 WARN  L223               SmtUtils]: Removed 3 from assertion stack
[2021-10-13 22:48:26,712 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0
[2021-10-13 22:48:26,716 WARN  L340       MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end
[2021-10-13 22:48:26,718 WARN  L340       MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end
[2021-10-13 22:48:26,719 WARN  L340       MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Timeout while monitored process is still running, waiting 1000 ms for graceful end
[2021-10-13 22:48:26,876 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,17 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-10-13 22:48:26,877 WARN  L594      AbstractCegarLoop]: Verification canceled: while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 101 for 172ms..
[2021-10-13 22:48:26,880 INFO  L764   garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION
[2021-10-13 22:48:26,881 INFO  L764   garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION
[2021-10-13 22:48:26,881 INFO  L764   garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION
[2021-10-13 22:48:26,881 INFO  L764   garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION
[2021-10-13 22:48:26,892 INFO  L229   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2021-10-13 22:48:26,892 INFO  L179   ceAbstractionStarter]: Computing trace abstraction results
[2021-10-13 22:48:26,894 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 10:48:26 BasicIcfg
[2021-10-13 22:48:26,894 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-10-13 22:48:26,894 INFO  L184        ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.witnessprinter
[2021-10-13 22:48:26,897 INFO  L168              Benchmark]: Toolchain (without parser) took 300745.05 ms. Allocated memory was 155.2 MB in the beginning and 626.0 MB in the end (delta: 470.8 MB). Free memory was 130.2 MB in the beginning and 395.7 MB in the end (delta: -265.5 MB). Peak memory consumption was 500.2 MB. Max. memory is 8.0 GB.
[2021-10-13 22:48:26,898 INFO  L168              Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 155.2 MB. Free memory is still 126.4 MB. There was no memory consumed. Max. memory is 8.0 GB.
[2021-10-13 22:48:26,898 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 366.55 ms. Allocated memory is still 155.2 MB. Free memory was 129.8 MB in the beginning and 118.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB.
[2021-10-13 22:48:26,898 INFO  L168              Benchmark]: Boogie Procedure Inliner took 109.45 ms. Allocated memory is still 155.2 MB. Free memory was 118.0 MB in the beginning and 115.7 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB.
[2021-10-13 22:48:26,899 INFO  L168              Benchmark]: Boogie Preprocessor took 81.27 ms. Allocated memory is still 155.2 MB. Free memory was 115.7 MB in the beginning and 114.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB.
[2021-10-13 22:48:26,899 INFO  L168              Benchmark]: RCFGBuilder took 987.90 ms. Allocated memory is still 155.2 MB. Free memory was 114.0 MB in the beginning and 120.1 MB in the end (delta: -6.0 MB). Peak memory consumption was 18.2 MB. Max. memory is 8.0 GB.
[2021-10-13 22:48:26,900 INFO  L168              Benchmark]: TraceAbstraction took 299184.84 ms. Allocated memory was 155.2 MB in the beginning and 626.0 MB in the end (delta: 470.8 MB). Free memory was 119.5 MB in the beginning and 395.7 MB in the end (delta: -276.1 MB). Peak memory consumption was 488.3 MB. Max. memory is 8.0 GB.
[2021-10-13 22:48:26,902 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.19 ms. Allocated memory is still 155.2 MB. Free memory is still 126.4 MB. There was no memory consumed. Max. memory is 8.0 GB.
 * CACSL2BoogieTranslator took 366.55 ms. Allocated memory is still 155.2 MB. Free memory was 129.8 MB in the beginning and 118.2 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB.
 * Boogie Procedure Inliner took 109.45 ms. Allocated memory is still 155.2 MB. Free memory was 118.0 MB in the beginning and 115.7 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB.
 * Boogie Preprocessor took 81.27 ms. Allocated memory is still 155.2 MB. Free memory was 115.7 MB in the beginning and 114.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB.
 * RCFGBuilder took 987.90 ms. Allocated memory is still 155.2 MB. Free memory was 114.0 MB in the beginning and 120.1 MB in the end (delta: -6.0 MB). Peak memory consumption was 18.2 MB. Max. memory is 8.0 GB.
 * TraceAbstraction took 299184.84 ms. Allocated memory was 155.2 MB in the beginning and 626.0 MB in the end (delta: 470.8 MB). Free memory was 119.5 MB in the beginning and 395.7 MB in the end (delta: -276.1 MB). Peak memory consumption was 488.3 MB. Max. memory is 8.0 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: Independence relation benchmarks
    ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 50071, positive: 45873, positive conditional: 43432, positive unconditional: 2441, negative: 4198, negative conditional: 4175, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 46239, positive: 45873, positive conditional: 43432, positive unconditional: 2441, negative: 366, negative conditional: 343, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 46239, positive: 45873, positive conditional: 43432, positive unconditional: 2441, negative: 366, negative conditional: 343, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 49070, positive: 45873, positive conditional: 43260, positive unconditional: 2613, negative: 3197, negative conditional: 2831, negative unconditional: 366, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 49070, positive: 45873, positive conditional: 12081, positive unconditional: 33792, negative: 3197, negative conditional: 1394, negative unconditional: 1803, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 49070, positive: 45873, positive conditional: 12081, positive unconditional: 33792, negative: 3197, negative conditional: 1394, negative unconditional: 1803, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2214, positive: 2063, positive conditional: 116, positive unconditional: 1947, negative: 151, negative conditional: 128, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2214, positive: 1950, positive conditional: 0, positive unconditional: 1950, negative: 264, negative conditional: 0, negative unconditional: 264, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 264, positive: 113, positive conditional: 108, positive unconditional: 5, negative: 151, negative conditional: 128, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1116, positive: 556, positive conditional: 465, positive unconditional: 92, negative: 559, negative conditional: 416, negative unconditional: 143, unknown: 0, unknown conditional: 0, unknown unconditional: 0]  ], Cache Queries: [ total: 49070, positive: 43810, positive conditional: 11965, positive unconditional: 31845, negative: 3046, negative conditional: 1266, negative unconditional: 1780, unknown: 2214, unknown conditional: 244, unknown unconditional: 1970] , Statistics on independence cache: Total cache size (in pairs): 2214, Positive cache size: 2063, Positive conditional cache size: 116, Positive unconditional cache size: 1947, Negative cache size: 151, Negative conditional cache size: 128, Negative unconditional cache size: 23, Eliminated conditions: 32616, Maximal queried relation: 12, Independence queries for same thread: 3832
  - StatisticsResult: Persistent set benchmarks
    Persistent set computation time[ms]: 471, Number of persistent set computation: 715, Number of trivial persistent sets: 431, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2464, positive: 2441, positive conditional: 0, positive unconditional: 2441, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 50071, positive: 45873, positive conditional: 43432, positive unconditional: 2441, negative: 4198, negative conditional: 4175, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 46239, positive: 45873, positive conditional: 43432, positive unconditional: 2441, negative: 366, negative conditional: 343, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 46239, positive: 45873, positive conditional: 43432, positive unconditional: 2441, negative: 366, negative conditional: 343, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 49070, positive: 45873, positive conditional: 43260, positive unconditional: 2613, negative: 3197, negative conditional: 2831, negative unconditional: 366, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 49070, positive: 45873, positive conditional: 12081, positive unconditional: 33792, negative: 3197, negative conditional: 1394, negative unconditional: 1803, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 49070, positive: 45873, positive conditional: 12081, positive unconditional: 33792, negative: 3197, negative conditional: 1394, negative unconditional: 1803, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2214, positive: 2063, positive conditional: 116, positive unconditional: 1947, negative: 151, negative conditional: 128, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2214, positive: 1950, positive conditional: 0, positive unconditional: 1950, negative: 264, negative conditional: 0, negative unconditional: 264, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 264, positive: 113, positive conditional: 108, positive unconditional: 5, negative: 151, negative conditional: 128, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1116, positive: 556, positive conditional: 465, positive unconditional: 92, negative: 559, negative conditional: 416, negative unconditional: 143, unknown: 0, unknown conditional: 0, unknown unconditional: 0]  ], Cache Queries: [ total: 49070, positive: 43810, positive conditional: 11965, positive unconditional: 31845, negative: 3046, negative conditional: 1266, negative unconditional: 1780, unknown: 2214, unknown conditional: 244, unknown unconditional: 1970] , Statistics on independence cache: Total cache size (in pairs): 2214, Positive cache size: 2063, Positive conditional cache size: 116, Positive unconditional cache size: 1947, Negative cache size: 151, Negative conditional cache size: 128, Negative unconditional cache size: 23, Eliminated conditions: 32616, Maximal queried relation: 12, Independence queries for same thread: 3832
  - StatisticsResult: ErrorAutomatonStatistics
    NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
  - TimeoutResultAtElement [Line: 127]: Timeout (TraceAbstraction)
    Unable to prove that call to reach_error is unreachable Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 101 for 172ms..
  - TimeoutResultAtElement [Line: 121]: Timeout (TraceAbstraction)
    Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 101 for 172ms..
  - TimeoutResultAtElement [Line: 119]: Timeout (TraceAbstraction)
    Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 101 for 172ms..
  - TimeoutResultAtElement [Line: 120]: Timeout (TraceAbstraction)
    Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 101 for 172ms..
  - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances
    CFG has 7 procedures, 204 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 298986.2ms, OverallIterations: 19, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 29.3ms, PartialOrderReductionTime: 133035.8ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 716, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 395.2ms SsaConstructionTime, 2459.1ms SatisfiabilityAnalysisTime, 138723.4ms InterpolantComputationTime, 5741 NumberOfCodeBlocks, 5645 NumberOfCodeBlocksAsserted, 43 NumberOfCheckSat, 5707 ConstructedInterpolants, 216 QuantifiedInterpolants, 139197 SizeOfPredicates, 446 NumberOfNonLiveVariables, 5960 ConjunctsInSsa, 773 ConjunctsInUnsatCore, 34 InterpolantComputations, 5 PerfectInterpolantSequences, 241/675 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate could not prove your program: Timeout
Completed graceful shutdown