/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-bad-dot-product-alt.wvr.c


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


This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m
[2024-04-04 02:57:26,982 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-04-04 02:57:27,045 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf
[2024-04-04 02:57:27,048 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-04-04 02:57:27,048 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-04-04 02:57:27,076 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-04-04 02:57:27,076 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-04-04 02:57:27,077 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-04-04 02:57:27,077 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-04-04 02:57:27,077 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-04-04 02:57:27,078 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-04-04 02:57:27,078 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-04-04 02:57:27,078 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-04-04 02:57:27,078 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-04-04 02:57:27,079 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-04-04 02:57:27,079 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-04-04 02:57:27,079 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-04-04 02:57:27,079 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-04-04 02:57:27,079 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-04-04 02:57:27,080 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-04-04 02:57:27,080 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-04-04 02:57:27,084 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-04-04 02:57:27,084 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-04-04 02:57:27,084 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-04-04 02:57:27,086 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-04-04 02:57:27,087 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-04-04 02:57:27,087 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-04-04 02:57:27,088 INFO  L153        SettingsManager]:  * To the following directory=./dump/
[2024-04-04 02:57:27,088 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-04-04 02:57:27,088 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-04-04 02:57:27,089 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-04-04 02:57:27,089 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-04-04 02:57:27,089 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-04-04 02:57:27,089 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-04-04 02:57:27,089 INFO  L153        SettingsManager]:  * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES
[2024-04-04 02:57:27,089 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-04-04 02:57:27,090 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-04-04 02:57:27,090 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2024-04-04 02:57:27,090 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2024-04-04 02:57:27,090 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT
[2024-04-04 02:57:27,274 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-04-04 02:57:27,296 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-04-04 02:57:27,298 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-04-04 02:57:27,300 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-04-04 02:57:27,300 INFO  L274        PluginConnector]: CDTParser initialized
[2024-04-04 02:57:27,301 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-dot-product-alt.wvr.c
[2024-04-04 02:57:28,346 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-04-04 02:57:28,501 INFO  L384              CDTParser]: Found 1 translation units.
[2024-04-04 02:57:28,502 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-dot-product-alt.wvr.c
[2024-04-04 02:57:28,508 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/f91bf834b/7a1516ebf67a4259b1c890bb33e4a96a/FLAG7d626a49d
[2024-04-04 02:57:28,524 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/f91bf834b/7a1516ebf67a4259b1c890bb33e4a96a
[2024-04-04 02:57:28,526 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-04-04 02:57:28,527 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-04-04 02:57:28,529 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-04-04 02:57:28,529 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-04-04 02:57:28,532 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-04-04 02:57:28,533 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 02:57:28" (1/1) ...
[2024-04-04 02:57:28,533 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34b5e5ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 02:57:28, skipping insertion in model container
[2024-04-04 02:57:28,534 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 02:57:28" (1/1) ...
[2024-04-04 02:57:28,554 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2024-04-04 02:57:28,674 WARN  L240   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-dot-product-alt.wvr.c[3182,3195]
[2024-04-04 02:57:28,680 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2024-04-04 02:57:28,687 INFO  L202         MainTranslator]: Completed pre-run
[2024-04-04 02:57:28,707 WARN  L240   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-dot-product-alt.wvr.c[3182,3195]
[2024-04-04 02:57:28,710 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2024-04-04 02:57:28,716 WARN  L675               CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler.
[2024-04-04 02:57:28,716 WARN  L675               CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler.
[2024-04-04 02:57:28,722 INFO  L206         MainTranslator]: Completed translation
[2024-04-04 02:57:28,722 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 02:57:28 WrapperNode
[2024-04-04 02:57:28,722 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-04-04 02:57:28,723 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-04-04 02:57:28,723 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-04-04 02:57:28,724 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-04-04 02:57:28,729 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 02:57:28" (1/1) ...
[2024-04-04 02:57:28,736 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 02:57:28" (1/1) ...
[2024-04-04 02:57:28,816 INFO  L138                Inliner]: procedures = 28, calls = 74, calls flagged for inlining = 18, calls inlined = 26, statements flattened = 375
[2024-04-04 02:57:28,823 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-04-04 02:57:28,824 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-04-04 02:57:28,824 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-04-04 02:57:28,824 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-04-04 02:57:28,831 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 02:57:28" (1/1) ...
[2024-04-04 02:57:28,831 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 02:57:28" (1/1) ...
[2024-04-04 02:57:28,839 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 02:57:28" (1/1) ...
[2024-04-04 02:57:28,839 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 02:57:28" (1/1) ...
[2024-04-04 02:57:28,847 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 02:57:28" (1/1) ...
[2024-04-04 02:57:28,850 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 02:57:28" (1/1) ...
[2024-04-04 02:57:28,852 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 02:57:28" (1/1) ...
[2024-04-04 02:57:28,854 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 02:57:28" (1/1) ...
[2024-04-04 02:57:28,856 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-04-04 02:57:28,857 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-04-04 02:57:28,857 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-04-04 02:57:28,857 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-04-04 02:57:28,858 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 02:57:28" (1/1) ...
[2024-04-04 02:57:28,876 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-04-04 02:57:28,884 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-04 02:57:28,898 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2024-04-04 02:57:28,901 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2024-04-04 02:57:28,935 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-04-04 02:57:28,935 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2024-04-04 02:57:28,935 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-04-04 02:57:28,935 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2024-04-04 02:57:28,935 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2024-04-04 02:57:28,935 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2024-04-04 02:57:28,936 INFO  L130     BoogieDeclarations]: Found specification of procedure thread1
[2024-04-04 02:57:28,936 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread1
[2024-04-04 02:57:28,937 INFO  L130     BoogieDeclarations]: Found specification of procedure thread2
[2024-04-04 02:57:28,937 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread2
[2024-04-04 02:57:28,937 INFO  L130     BoogieDeclarations]: Found specification of procedure thread3
[2024-04-04 02:57:28,938 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread3
[2024-04-04 02:57:28,938 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2024-04-04 02:57:28,939 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2024-04-04 02:57:28,939 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2024-04-04 02:57:28,939 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2024-04-04 02:57:28,939 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-04-04 02:57:28,939 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-04-04 02:57:28,939 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-04-04 02:57:28,940 WARN  L213             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement
[2024-04-04 02:57:29,038 INFO  L241             CfgBuilder]: Building ICFG
[2024-04-04 02:57:29,040 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-04-04 02:57:29,471 INFO  L282             CfgBuilder]: Performing block encoding
[2024-04-04 02:57:29,589 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-04-04 02:57:29,589 INFO  L309             CfgBuilder]: Removed 7 assume(true) statements.
[2024-04-04 02:57:29,590 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 02:57:29 BoogieIcfgContainer
[2024-04-04 02:57:29,591 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-04-04 02:57:29,593 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-04-04 02:57:29,594 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-04-04 02:57:29,596 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-04-04 02:57:29,597 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.04 02:57:28" (1/3) ...
[2024-04-04 02:57:29,598 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7edd501c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 02:57:29, skipping insertion in model container
[2024-04-04 02:57:29,598 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 02:57:28" (2/3) ...
[2024-04-04 02:57:29,599 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7edd501c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 02:57:29, skipping insertion in model container
[2024-04-04 02:57:29,599 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 02:57:29" (3/3) ...
[2024-04-04 02:57:29,600 INFO  L112   eAbstractionObserver]: Analyzing ICFG popl20-bad-dot-product-alt.wvr.c
[2024-04-04 02:57:29,606 WARN  L145   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2024-04-04 02:57:29,613 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-04-04 02:57:29,614 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-04-04 02:57:29,614 INFO  L514   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-04-04 02:57:29,698 INFO  L144    ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions.
[2024-04-04 02:57:29,755 INFO  L100   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-04-04 02:57:29,756 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2024-04-04 02:57:29,756 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-04 02:57:29,758 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2024-04-04 02:57:29,783 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2024-04-04 02:57:29,800 INFO  L184   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2024-04-04 02:57:29,810 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-04-04 02:57:29,811 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-04-04 02:57:29,819 INFO  L357      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@27240f85, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123
[2024-04-04 02:57:29,819 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2024-04-04 02:57:42,023 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-04-04 02:57:42,025 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-04-04 02:57:42,025 INFO  L85        PathProgramCache]: Analyzing trace with hash -1317501000, now seen corresponding path program 1 times
[2024-04-04 02:57:42,032 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-04 02:57:42,032 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704683590]
[2024-04-04 02:57:42,032 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-04 02:57:42,033 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-04 02:57:42,170 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-04 02:57:42,369 INFO  L134       CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked.
[2024-04-04 02:57:42,370 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-04 02:57:42,370 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704683590]
[2024-04-04 02:57:42,371 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704683590] provided 1 perfect and 0 imperfect interpolant sequences
[2024-04-04 02:57:42,371 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-04-04 02:57:42,371 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-04-04 02:57:42,372 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010643288]
[2024-04-04 02:57:42,372 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-04-04 02:57:42,382 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-04-04 02:57:42,382 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-04 02:57:42,408 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-04-04 02:57:42,409 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-04-04 02:57:42,409 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 02:57:42,411 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-04 02:57:42,412 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 131.0) internal successors, (262), 2 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-04-04 02:57:42,412 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 02:57:50,152 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 02:57:50,152 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-04-04 02:57:50,152 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-04-04 02:57:50,153 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-04-04 02:57:50,153 INFO  L85        PathProgramCache]: Analyzing trace with hash 746556300, now seen corresponding path program 1 times
[2024-04-04 02:57:50,153 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-04 02:57:50,153 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9958996]
[2024-04-04 02:57:50,153 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-04 02:57:50,154 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-04 02:57:50,476 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-04 02:57:50,837 INFO  L134       CoverageAnalysis]: Checked inductivity of 67 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked.
[2024-04-04 02:57:50,838 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-04 02:57:50,838 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9958996]
[2024-04-04 02:57:50,838 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9958996] provided 1 perfect and 0 imperfect interpolant sequences
[2024-04-04 02:57:50,838 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-04-04 02:57:50,838 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2024-04-04 02:57:50,839 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798698376]
[2024-04-04 02:57:50,839 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-04-04 02:57:50,840 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-04-04 02:57:50,841 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-04 02:57:50,842 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-04-04 02:57:50,842 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2024-04-04 02:57:50,842 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 02:57:50,856 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-04 02:57:50,857 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 36.0) internal successors, (252), 7 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-04-04 02:57:50,857 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 02:57:50,857 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 02:57:58,676 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 02:57:58,677 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-04-04 02:57:58,677 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-04-04 02:57:58,678 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-04-04 02:57:58,678 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-04-04 02:57:58,678 INFO  L85        PathProgramCache]: Analyzing trace with hash -1838602850, now seen corresponding path program 1 times
[2024-04-04 02:57:58,678 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-04 02:57:58,679 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512726965]
[2024-04-04 02:57:58,679 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-04 02:57:58,679 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-04 02:57:58,745 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-04 02:57:59,057 INFO  L134       CoverageAnalysis]: Checked inductivity of 69 backedges. 35 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked.
[2024-04-04 02:57:59,058 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-04 02:57:59,058 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512726965]
[2024-04-04 02:57:59,058 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512726965] provided 0 perfect and 1 imperfect interpolant sequences
[2024-04-04 02:57:59,058 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [136376758]
[2024-04-04 02:57:59,059 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-04 02:57:59,059 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-04 02:57:59,059 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-04 02:57:59,098 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-04-04 02:57:59,099 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-04-04 02:57:59,274 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-04 02:57:59,277 INFO  L262         TraceCheckSpWp]: Trace formula consists of 665 conjuncts, 9 conjunts are in the unsatisfiable core
[2024-04-04 02:57:59,294 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2024-04-04 02:57:59,442 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7
[2024-04-04 02:57:59,510 INFO  L134       CoverageAnalysis]: Checked inductivity of 69 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked.
[2024-04-04 02:57:59,510 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-04-04 02:57:59,511 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [136376758] provided 1 perfect and 0 imperfect interpolant sequences
[2024-04-04 02:57:59,511 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-04-04 02:57:59,511 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [12] total 20
[2024-04-04 02:57:59,511 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850715907]
[2024-04-04 02:57:59,511 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-04-04 02:57:59,512 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2024-04-04 02:57:59,512 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-04 02:57:59,512 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2024-04-04 02:57:59,512 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380
[2024-04-04 02:57:59,513 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 02:57:59,513 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-04 02:57:59,513 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 10 states, 10 states have (on average 26.8) internal successors, (268), 10 states have internal predecessors, (268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-04-04 02:57:59,513 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 02:57:59,513 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2024-04-04 02:57:59,513 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 02:58:14,776 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 02:58:14,777 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-04-04 02:58:14,777 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2024-04-04 02:58:14,787 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2024-04-04 02:58:14,982 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2
[2024-04-04 02:58:14,982 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-04-04 02:58:14,983 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-04-04 02:58:14,983 INFO  L85        PathProgramCache]: Analyzing trace with hash -1642981911, now seen corresponding path program 1 times
[2024-04-04 02:58:14,983 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-04 02:58:14,983 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892542610]
[2024-04-04 02:58:14,983 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-04 02:58:14,984 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-04 02:58:15,031 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-04 02:58:15,398 INFO  L134       CoverageAnalysis]: Checked inductivity of 70 backedges. 35 proven. 1 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked.
[2024-04-04 02:58:15,398 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-04 02:58:15,398 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892542610]
[2024-04-04 02:58:15,403 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1892542610] provided 0 perfect and 1 imperfect interpolant sequences
[2024-04-04 02:58:15,403 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1929658761]
[2024-04-04 02:58:15,403 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-04 02:58:15,403 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-04 02:58:15,404 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-04 02:58:15,404 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-04-04 02:58:15,406 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-04-04 02:58:15,585 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-04 02:58:15,588 INFO  L262         TraceCheckSpWp]: Trace formula consists of 737 conjuncts, 10 conjunts are in the unsatisfiable core
[2024-04-04 02:58:15,595 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2024-04-04 02:58:15,914 INFO  L134       CoverageAnalysis]: Checked inductivity of 70 backedges. 35 proven. 1 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked.
[2024-04-04 02:58:15,914 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2024-04-04 02:58:16,211 INFO  L134       CoverageAnalysis]: Checked inductivity of 70 backedges. 35 proven. 1 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked.
[2024-04-04 02:58:16,211 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1929658761] provided 0 perfect and 2 imperfect interpolant sequences
[2024-04-04 02:58:16,211 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-04-04 02:58:16,212 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 25
[2024-04-04 02:58:16,212 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626359249]
[2024-04-04 02:58:16,212 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-04-04 02:58:16,213 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 25 states
[2024-04-04 02:58:16,213 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-04 02:58:16,214 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants.
[2024-04-04 02:58:16,214 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=484, Unknown=0, NotChecked=0, Total=600
[2024-04-04 02:58:16,214 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 02:58:16,215 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-04 02:58:16,215 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 25 states, 25 states have (on average 20.64) internal successors, (516), 25 states have internal predecessors, (516), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-04-04 02:58:16,215 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 02:58:16,215 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2024-04-04 02:58:16,215 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2024-04-04 02:58:16,215 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 02:58:32,619 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 02:58:32,619 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-04-04 02:58:32,619 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2024-04-04 02:58:32,619 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2024-04-04 02:58:32,627 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2024-04-04 02:58:32,824 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-04 02:58:32,824 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-04-04 02:58:32,825 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-04-04 02:58:32,825 INFO  L85        PathProgramCache]: Analyzing trace with hash 1052873211, now seen corresponding path program 2 times
[2024-04-04 02:58:32,825 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-04 02:58:32,825 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347461868]
[2024-04-04 02:58:32,825 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-04 02:58:32,825 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-04 02:58:32,890 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-04 02:58:33,208 INFO  L134       CoverageAnalysis]: Checked inductivity of 88 backedges. 60 proven. 11 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked.
[2024-04-04 02:58:33,209 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-04 02:58:33,209 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347461868]
[2024-04-04 02:58:33,209 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347461868] provided 0 perfect and 1 imperfect interpolant sequences
[2024-04-04 02:58:33,209 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [266002027]
[2024-04-04 02:58:33,210 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-04-04 02:58:33,210 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-04 02:58:33,210 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-04 02:58:33,226 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-04-04 02:58:33,299 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-04-04 02:58:33,451 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-04-04 02:58:33,451 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-04-04 02:58:33,454 INFO  L262         TraceCheckSpWp]: Trace formula consists of 781 conjuncts, 10 conjunts are in the unsatisfiable core
[2024-04-04 02:58:33,458 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2024-04-04 02:58:33,819 INFO  L134       CoverageAnalysis]: Checked inductivity of 88 backedges. 61 proven. 10 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked.
[2024-04-04 02:58:33,819 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2024-04-04 02:58:34,131 INFO  L134       CoverageAnalysis]: Checked inductivity of 88 backedges. 70 proven. 1 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked.
[2024-04-04 02:58:34,134 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [266002027] provided 0 perfect and 2 imperfect interpolant sequences
[2024-04-04 02:58:34,134 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-04-04 02:58:34,135 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24
[2024-04-04 02:58:34,135 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873604666]
[2024-04-04 02:58:34,135 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-04-04 02:58:34,135 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 24 states
[2024-04-04 02:58:34,135 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-04 02:58:34,136 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants.
[2024-04-04 02:58:34,137 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=435, Unknown=0, NotChecked=0, Total=552
[2024-04-04 02:58:34,137 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 02:58:34,137 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-04 02:58:34,137 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 24 states, 24 states have (on average 23.375) internal successors, (561), 24 states have internal predecessors, (561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-04-04 02:58:34,137 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 02:58:34,137 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2024-04-04 02:58:34,137 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2024-04-04 02:58:34,138 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2024-04-04 02:58:34,138 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 02:58:52,299 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 02:58:52,300 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-04-04 02:58:52,300 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2024-04-04 02:58:52,300 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2024-04-04 02:58:52,300 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2024-04-04 02:58:52,310 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0
[2024-04-04 02:58:52,500 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-04 02:58:52,500 INFO  L420      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-04-04 02:58:52,501 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-04-04 02:58:52,501 INFO  L85        PathProgramCache]: Analyzing trace with hash -1119868391, now seen corresponding path program 3 times
[2024-04-04 02:58:52,501 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-04-04 02:58:52,501 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932733928]
[2024-04-04 02:58:52,501 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-04-04 02:58:52,501 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-04-04 02:58:52,545 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-04-04 02:58:52,960 INFO  L134       CoverageAnalysis]: Checked inductivity of 183 backedges. 101 proven. 70 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2024-04-04 02:58:52,960 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-04-04 02:58:52,960 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932733928]
[2024-04-04 02:58:52,960 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932733928] provided 0 perfect and 1 imperfect interpolant sequences
[2024-04-04 02:58:52,960 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [588579696]
[2024-04-04 02:58:52,960 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-04-04 02:58:52,961 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-04-04 02:58:52,961 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-04-04 02:58:52,962 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-04-04 02:58:52,964 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2024-04-04 02:58:53,159 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s)
[2024-04-04 02:58:53,159 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-04-04 02:58:53,163 INFO  L262         TraceCheckSpWp]: Trace formula consists of 691 conjuncts, 15 conjunts are in the unsatisfiable core
[2024-04-04 02:58:53,167 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2024-04-04 02:58:53,541 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7
[2024-04-04 02:58:53,601 INFO  L134       CoverageAnalysis]: Checked inductivity of 183 backedges. 42 proven. 8 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked.
[2024-04-04 02:58:53,601 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2024-04-04 02:58:53,728 INFO  L378             Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 9
[2024-04-04 02:58:54,040 INFO  L134       CoverageAnalysis]: Checked inductivity of 183 backedges. 32 proven. 18 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked.
[2024-04-04 02:58:54,040 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [588579696] provided 0 perfect and 2 imperfect interpolant sequences
[2024-04-04 02:58:54,040 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-04-04 02:58:54,041 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14, 14] total 36
[2024-04-04 02:58:54,041 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323540591]
[2024-04-04 02:58:54,041 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-04-04 02:58:54,043 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 36 states
[2024-04-04 02:58:54,043 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-04-04 02:58:54,045 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants.
[2024-04-04 02:58:54,046 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=1140, Unknown=0, NotChecked=0, Total=1260
[2024-04-04 02:58:54,046 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 02:58:54,046 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-04-04 02:58:54,047 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 36 states, 36 states have (on average 20.02777777777778) internal successors, (721), 36 states have internal predecessors, (721), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-04-04 02:58:54,047 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-04-04 02:58:54,049 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2024-04-04 02:58:54,049 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2024-04-04 02:58:54,049 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2024-04-04 02:58:54,050 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. 
[2024-04-04 02:58:54,050 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.