/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.prune.known.deadend.states.from.previous.iterations false -s ../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/parallel-misc-4.wvr.c


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


This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-57af04c-m
[2024-01-26 05:01:52,062 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-01-26 05:01:52,133 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf
[2024-01-26 05:01:52,136 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-01-26 05:01:52,136 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-01-26 05:01:52,170 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-01-26 05:01:52,171 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-01-26 05:01:52,172 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-01-26 05:01:52,173 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-01-26 05:01:52,176 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-01-26 05:01:52,177 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-01-26 05:01:52,177 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-01-26 05:01:52,178 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-01-26 05:01:52,179 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-01-26 05:01:52,179 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-01-26 05:01:52,179 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-01-26 05:01:52,179 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-01-26 05:01:52,180 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-01-26 05:01:52,180 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-01-26 05:01:52,180 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-01-26 05:01:52,180 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-01-26 05:01:52,181 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-01-26 05:01:52,181 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-01-26 05:01:52,181 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-01-26 05:01:52,181 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-01-26 05:01:52,182 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-01-26 05:01:52,182 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-01-26 05:01:52,182 INFO  L153        SettingsManager]:  * To the following directory=./dump/
[2024-01-26 05:01:52,182 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-01-26 05:01:52,182 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-01-26 05:01:52,183 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-01-26 05:01:52,183 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-01-26 05:01:52,184 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-01-26 05:01:52,184 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-01-26 05:01:52,184 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-01-26 05:01:52,184 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-01-26 05:01:52,184 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2024-01-26 05:01:52,184 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2024-01-26 05:01:52,185 INFO  L153        SettingsManager]:  * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES
[2024-01-26 05:01:52,185 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION
[2024-01-26 05:01:52,424 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-01-26 05:01:52,447 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-01-26 05:01:52,449 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-01-26 05:01:52,450 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-01-26 05:01:52,450 INFO  L274        PluginConnector]: CDTParser initialized
[2024-01-26 05:01:52,451 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/parallel-misc-4.wvr.c
[2024-01-26 05:01:53,428 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-01-26 05:01:53,605 INFO  L384              CDTParser]: Found 1 translation units.
[2024-01-26 05:01:53,605 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-4.wvr.c
[2024-01-26 05:01:53,611 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/615e03440/346c9688fc6e4ac2a653e9c6258516e5/FLAG6917c4d9b
[2024-01-26 05:01:53,620 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/615e03440/346c9688fc6e4ac2a653e9c6258516e5
[2024-01-26 05:01:53,622 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-01-26 05:01:53,623 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-01-26 05:01:53,624 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-01-26 05:01:53,624 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-01-26 05:01:53,627 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-01-26 05:01:53,628 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 05:01:53" (1/1) ...
[2024-01-26 05:01:53,628 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@294df581 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:01:53, skipping insertion in model container
[2024-01-26 05:01:53,628 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.01 05:01:53" (1/1) ...
[2024-01-26 05:01:53,643 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2024-01-26 05:01:53,749 WARN  L239   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-4.wvr.c[2989,3002]
[2024-01-26 05:01:53,752 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2024-01-26 05:01:53,758 INFO  L202         MainTranslator]: Completed pre-run
[2024-01-26 05:01:53,772 WARN  L239   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-4.wvr.c[2989,3002]
[2024-01-26 05:01:53,773 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2024-01-26 05:01:53,785 INFO  L206         MainTranslator]: Completed translation
[2024-01-26 05:01:53,786 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:01:53 WrapperNode
[2024-01-26 05:01:53,786 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-01-26 05:01:53,786 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-01-26 05:01:53,787 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-01-26 05:01:53,787 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-01-26 05:01:53,791 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:01:53" (1/1) ...
[2024-01-26 05:01:53,803 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:01:53" (1/1) ...
[2024-01-26 05:01:53,816 INFO  L138                Inliner]: procedures = 22, calls = 43, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 74
[2024-01-26 05:01:53,816 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-01-26 05:01:53,817 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-01-26 05:01:53,817 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-01-26 05:01:53,817 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-01-26 05:01:53,823 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:01:53" (1/1) ...
[2024-01-26 05:01:53,823 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:01:53" (1/1) ...
[2024-01-26 05:01:53,826 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:01:53" (1/1) ...
[2024-01-26 05:01:53,826 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:01:53" (1/1) ...
[2024-01-26 05:01:53,829 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:01:53" (1/1) ...
[2024-01-26 05:01:53,831 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:01:53" (1/1) ...
[2024-01-26 05:01:53,832 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:01:53" (1/1) ...
[2024-01-26 05:01:53,833 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:01:53" (1/1) ...
[2024-01-26 05:01:53,834 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-01-26 05:01:53,835 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-01-26 05:01:53,835 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-01-26 05:01:53,835 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-01-26 05:01:53,836 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:01:53" (1/1) ...
[2024-01-26 05:01:53,839 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-01-26 05:01:53,849 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-01-26 05:01:53,865 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)
[2024-01-26 05:01:53,886 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
[2024-01-26 05:01:53,911 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-01-26 05:01:53,912 INFO  L130     BoogieDeclarations]: Found specification of procedure thread1
[2024-01-26 05:01:53,912 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread1
[2024-01-26 05:01:53,912 INFO  L130     BoogieDeclarations]: Found specification of procedure thread2
[2024-01-26 05:01:53,912 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread2
[2024-01-26 05:01:53,912 INFO  L130     BoogieDeclarations]: Found specification of procedure thread3
[2024-01-26 05:01:53,912 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread3
[2024-01-26 05:01:53,913 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2024-01-26 05:01:53,913 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-01-26 05:01:53,913 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2024-01-26 05:01:53,913 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2024-01-26 05:01:53,913 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2024-01-26 05:01:53,913 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-01-26 05:01:53,914 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-01-26 05:01:53,915 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2024-01-26 05:01:53,915 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-01-26 05:01:53,916 WARN  L213             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement
[2024-01-26 05:01:54,003 INFO  L241             CfgBuilder]: Building ICFG
[2024-01-26 05:01:54,005 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-01-26 05:01:54,215 INFO  L282             CfgBuilder]: Performing block encoding
[2024-01-26 05:01:54,231 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-01-26 05:01:54,231 INFO  L309             CfgBuilder]: Removed 2 assume(true) statements.
[2024-01-26 05:01:54,231 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 05:01:54 BoogieIcfgContainer
[2024-01-26 05:01:54,231 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-01-26 05:01:54,233 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-01-26 05:01:54,233 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-01-26 05:01:54,235 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-01-26 05:01:54,235 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.01 05:01:53" (1/3) ...
[2024-01-26 05:01:54,236 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@256858db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 05:01:54, skipping insertion in model container
[2024-01-26 05:01:54,236 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.01 05:01:53" (2/3) ...
[2024-01-26 05:01:54,236 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@256858db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.01 05:01:54, skipping insertion in model container
[2024-01-26 05:01:54,236 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.01 05:01:54" (3/3) ...
[2024-01-26 05:01:54,237 INFO  L112   eAbstractionObserver]: Analyzing ICFG parallel-misc-4.wvr.c
[2024-01-26 05:01:54,243 WARN  L146   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2024-01-26 05:01:54,253 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-01-26 05:01:54,253 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-01-26 05:01:54,253 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-01-26 05:01:54,429 INFO  L144    ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions.
[2024-01-26 05:01:54,494 INFO  L103   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-01-26 05:01:54,494 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2024-01-26 05:01:54,494 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-01-26 05:01:54,497 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)
[2024-01-26 05:01:54,505 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
[2024-01-26 05:01:54,542 INFO  L166   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2024-01-26 05:01:54,547 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ========
[2024-01-26 05:01:54,554 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;@3e0ef783, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-01-26 05:01:54,554 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-01-26 05:01:54,705 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-01-26 05:01:54,709 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-01-26 05:01:54,709 INFO  L85        PathProgramCache]: Analyzing trace with hash -1675900813, now seen corresponding path program 1 times
[2024-01-26 05:01:54,716 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-01-26 05:01:54,716 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80423731]
[2024-01-26 05:01:54,716 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-01-26 05:01:54,717 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-01-26 05:01:54,807 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-01-26 05:01:54,922 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-01-26 05:01:54,923 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-01-26 05:01:54,923 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80423731]
[2024-01-26 05:01:54,923 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80423731] provided 1 perfect and 0 imperfect interpolant sequences
[2024-01-26 05:01:54,923 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-01-26 05:01:54,923 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-01-26 05:01:54,924 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311486121]
[2024-01-26 05:01:54,925 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-01-26 05:01:54,929 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-01-26 05:01:54,929 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-01-26 05:01:54,946 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-01-26 05:01:54,947 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-01-26 05:01:54,947 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-01-26 05:01:54,949 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-01-26 05:01:54,949 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 43.5) internal successors, (87), 2 states have internal predecessors, (87), 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)
[2024-01-26 05:01:54,949 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-01-26 05:01:54,978 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-01-26 05:01:54,979 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-01-26 05:01:54,979 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-01-26 05:01:54,979 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-01-26 05:01:54,980 INFO  L85        PathProgramCache]: Analyzing trace with hash 1218063235, now seen corresponding path program 1 times
[2024-01-26 05:01:54,980 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-01-26 05:01:54,980 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505407167]
[2024-01-26 05:01:54,980 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-01-26 05:01:54,980 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-01-26 05:01:55,046 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-01-26 05:01:55,630 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-01-26 05:01:55,630 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-01-26 05:01:55,631 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505407167]
[2024-01-26 05:01:55,631 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505407167] provided 0 perfect and 1 imperfect interpolant sequences
[2024-01-26 05:01:55,631 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1804318501]
[2024-01-26 05:01:55,631 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-01-26 05:01:55,631 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-01-26 05:01:55,631 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-01-26 05:01:55,698 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)
[2024-01-26 05:01:55,700 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-01-26 05:01:55,824 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-01-26 05:01:55,827 INFO  L262         TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 12 conjunts are in the unsatisfiable core
[2024-01-26 05:01:55,833 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2024-01-26 05:01:56,088 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-01-26 05:01:56,088 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2024-01-26 05:01:56,246 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-01-26 05:01:56,247 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1804318501] provided 0 perfect and 2 imperfect interpolant sequences
[2024-01-26 05:01:56,247 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-01-26 05:01:56,247 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 20
[2024-01-26 05:01:56,248 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270204096]
[2024-01-26 05:01:56,248 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-01-26 05:01:56,248 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 20 states
[2024-01-26 05:01:56,248 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-01-26 05:01:56,249 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants.
[2024-01-26 05:01:56,250 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=301, Unknown=0, NotChecked=0, Total=380
[2024-01-26 05:01:56,250 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-01-26 05:01:56,250 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-01-26 05:01:56,251 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 20 states, 20 states have (on average 7.95) internal successors, (159), 20 states have internal predecessors, (159), 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)
[2024-01-26 05:01:56,251 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-01-26 05:01:56,251 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-01-26 05:01:56,776 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-01-26 05:01:56,777 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. 
[2024-01-26 05:01:56,783 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-01-26 05:01:56,982 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,SelfDestructingSolverStorable1
[2024-01-26 05:01:56,982 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-01-26 05:01:56,983 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-01-26 05:01:56,983 INFO  L85        PathProgramCache]: Analyzing trace with hash 1347808548, now seen corresponding path program 1 times
[2024-01-26 05:01:56,983 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-01-26 05:01:56,983 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291088189]
[2024-01-26 05:01:56,983 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-01-26 05:01:56,983 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-01-26 05:01:57,024 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-01-26 05:01:57,170 INFO  L134       CoverageAnalysis]: Checked inductivity of 36 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked.
[2024-01-26 05:01:57,170 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-01-26 05:01:57,170 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291088189]
[2024-01-26 05:01:57,170 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291088189] provided 1 perfect and 0 imperfect interpolant sequences
[2024-01-26 05:01:57,170 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-01-26 05:01:57,170 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-01-26 05:01:57,170 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592230325]
[2024-01-26 05:01:57,170 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-01-26 05:01:57,171 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-01-26 05:01:57,171 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-01-26 05:01:57,173 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-01-26 05:01:57,173 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-01-26 05:01:57,173 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-01-26 05:01:57,173 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-01-26 05:01:57,176 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 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)
[2024-01-26 05:01:57,176 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-01-26 05:01:57,176 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. 
[2024-01-26 05:01:57,177 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-01-26 05:01:57,234 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-01-26 05:01:57,234 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. 
[2024-01-26 05:01:57,235 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-01-26 05:01:57,235 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-01-26 05:01:57,235 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-01-26 05:01:57,237 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-01-26 05:01:57,237 INFO  L85        PathProgramCache]: Analyzing trace with hash -1077721564, now seen corresponding path program 2 times
[2024-01-26 05:01:57,237 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-01-26 05:01:57,237 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542136678]
[2024-01-26 05:01:57,237 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-01-26 05:01:57,237 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-01-26 05:01:57,287 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-01-26 05:01:57,431 INFO  L134       CoverageAnalysis]: Checked inductivity of 62 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked.
[2024-01-26 05:01:57,432 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-01-26 05:01:57,432 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542136678]
[2024-01-26 05:01:57,432 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542136678] provided 1 perfect and 0 imperfect interpolant sequences
[2024-01-26 05:01:57,433 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-01-26 05:01:57,433 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-01-26 05:01:57,435 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394125066]
[2024-01-26 05:01:57,435 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-01-26 05:01:57,436 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-01-26 05:01:57,439 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-01-26 05:01:57,440 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-01-26 05:01:57,440 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-01-26 05:01:57,441 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-01-26 05:01:57,441 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-01-26 05:01:57,441 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 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)
[2024-01-26 05:01:57,441 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-01-26 05:01:57,441 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. 
[2024-01-26 05:01:57,441 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-01-26 05:01:57,441 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-01-26 05:01:57,748 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-01-26 05:01:57,749 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. 
[2024-01-26 05:01:57,749 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-01-26 05:01:57,749 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-01-26 05:01:57,749 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-01-26 05:01:57,749 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-01-26 05:01:57,750 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-01-26 05:01:57,750 INFO  L85        PathProgramCache]: Analyzing trace with hash -1988218293, now seen corresponding path program 3 times
[2024-01-26 05:01:57,750 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-01-26 05:01:57,750 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276019653]
[2024-01-26 05:01:57,750 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-01-26 05:01:57,751 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-01-26 05:01:57,795 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-01-26 05:01:58,058 INFO  L134       CoverageAnalysis]: Checked inductivity of 81 backedges. 39 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked.
[2024-01-26 05:01:58,059 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-01-26 05:01:58,059 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276019653]
[2024-01-26 05:01:58,060 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276019653] provided 0 perfect and 1 imperfect interpolant sequences
[2024-01-26 05:01:58,060 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1423106758]
[2024-01-26 05:01:58,060 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-01-26 05:01:58,060 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-01-26 05:01:58,060 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-01-26 05:01:58,061 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)
[2024-01-26 05:01:58,085 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-01-26 05:01:58,149 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s)
[2024-01-26 05:01:58,149 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-01-26 05:01:58,150 INFO  L262         TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 6 conjunts are in the unsatisfiable core
[2024-01-26 05:01:58,154 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2024-01-26 05:01:58,205 INFO  L134       CoverageAnalysis]: Checked inductivity of 81 backedges. 40 proven. 2 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked.
[2024-01-26 05:01:58,206 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2024-01-26 05:01:58,254 INFO  L134       CoverageAnalysis]: Checked inductivity of 81 backedges. 40 proven. 2 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked.
[2024-01-26 05:01:58,254 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1423106758] provided 0 perfect and 2 imperfect interpolant sequences
[2024-01-26 05:01:58,254 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-01-26 05:01:58,254 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 11
[2024-01-26 05:01:58,254 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549460167]
[2024-01-26 05:01:58,254 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-01-26 05:01:58,255 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2024-01-26 05:01:58,255 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-01-26 05:01:58,255 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2024-01-26 05:01:58,255 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110
[2024-01-26 05:01:58,256 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-01-26 05:01:58,256 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-01-26 05:01:58,256 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 11 states, 11 states have (on average 10.636363636363637) internal successors, (117), 11 states have internal predecessors, (117), 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)
[2024-01-26 05:01:58,256 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-01-26 05:01:58,256 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. 
[2024-01-26 05:01:58,256 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-01-26 05:01:58,256 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-01-26 05:01:58,256 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-01-26 05:01:58,616 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-01-26 05:01:58,617 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. 
[2024-01-26 05:01:58,617 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-01-26 05:01:58,617 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-01-26 05:01:58,617 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2024-01-26 05:01:58,636 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2024-01-26 05:01:58,823 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-01-26 05:01:58,824 INFO  L420      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-01-26 05:01:58,824 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-01-26 05:01:58,824 INFO  L85        PathProgramCache]: Analyzing trace with hash -1167138282, now seen corresponding path program 4 times
[2024-01-26 05:01:58,824 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-01-26 05:01:58,825 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793135117]
[2024-01-26 05:01:58,825 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-01-26 05:01:58,825 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-01-26 05:01:58,848 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-01-26 05:01:59,072 INFO  L134       CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2024-01-26 05:01:59,072 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-01-26 05:01:59,075 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793135117]
[2024-01-26 05:01:59,075 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793135117] provided 0 perfect and 1 imperfect interpolant sequences
[2024-01-26 05:01:59,075 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1856096374]
[2024-01-26 05:01:59,076 INFO  L93    rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2024-01-26 05:01:59,076 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-01-26 05:01:59,076 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-01-26 05:01:59,080 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)
[2024-01-26 05:01:59,127 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-01-26 05:01:59,214 INFO  L228   tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2024-01-26 05:01:59,214 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-01-26 05:01:59,215 INFO  L262         TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 7 conjunts are in the unsatisfiable core
[2024-01-26 05:01:59,223 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2024-01-26 05:01:59,387 INFO  L134       CoverageAnalysis]: Checked inductivity of 22 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.
[2024-01-26 05:01:59,387 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2024-01-26 05:01:59,564 INFO  L134       CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.
[2024-01-26 05:01:59,565 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1856096374] provided 1 perfect and 1 imperfect interpolant sequences
[2024-01-26 05:01:59,565 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences.
[2024-01-26 05:01:59,565 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7, 6] total 14
[2024-01-26 05:01:59,565 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298532860]
[2024-01-26 05:01:59,565 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-01-26 05:01:59,565 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-01-26 05:01:59,565 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-01-26 05:01:59,566 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-01-26 05:01:59,566 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182
[2024-01-26 05:01:59,566 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-01-26 05:01:59,566 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-01-26 05:01:59,566 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 6 states have internal predecessors, (94), 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)
[2024-01-26 05:01:59,566 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-01-26 05:01:59,566 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. 
[2024-01-26 05:01:59,566 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-01-26 05:01:59,566 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-01-26 05:01:59,566 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2024-01-26 05:01:59,566 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-01-26 05:01:59,765 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-01-26 05:01:59,765 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. 
[2024-01-26 05:01:59,765 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-01-26 05:01:59,765 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-01-26 05:01:59,765 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2024-01-26 05:01:59,765 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-01-26 05:01:59,776 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2024-01-26 05:01:59,973 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-01-26 05:01:59,974 INFO  L420      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-01-26 05:01:59,974 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-01-26 05:01:59,974 INFO  L85        PathProgramCache]: Analyzing trace with hash 1549855254, now seen corresponding path program 5 times
[2024-01-26 05:01:59,974 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-01-26 05:01:59,974 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096009762]
[2024-01-26 05:01:59,974 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-01-26 05:01:59,974 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-01-26 05:02:00,003 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-01-26 05:02:00,110 INFO  L134       CoverageAnalysis]: Checked inductivity of 46 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2024-01-26 05:02:00,112 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-01-26 05:02:00,112 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096009762]
[2024-01-26 05:02:00,113 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096009762] provided 1 perfect and 0 imperfect interpolant sequences
[2024-01-26 05:02:00,113 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-01-26 05:02:00,113 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-01-26 05:02:00,114 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839566232]
[2024-01-26 05:02:00,114 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-01-26 05:02:00,114 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-01-26 05:02:00,114 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-01-26 05:02:00,115 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-01-26 05:02:00,115 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-01-26 05:02:00,115 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-01-26 05:02:00,115 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-01-26 05:02:00,115 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 25.25) internal successors, (101), 4 states have internal predecessors, (101), 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)
[2024-01-26 05:02:00,115 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-01-26 05:02:00,115 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. 
[2024-01-26 05:02:00,115 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-01-26 05:02:00,115 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-01-26 05:02:00,115 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2024-01-26 05:02:00,115 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2024-01-26 05:02:00,115 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-01-26 05:02:00,276 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-01-26 05:02:00,276 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. 
[2024-01-26 05:02:00,276 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-01-26 05:02:00,276 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-01-26 05:02:00,276 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2024-01-26 05:02:00,276 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-01-26 05:02:00,277 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-01-26 05:02:00,277 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-01-26 05:02:00,277 INFO  L420      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-01-26 05:02:00,278 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-01-26 05:02:00,278 INFO  L85        PathProgramCache]: Analyzing trace with hash 1608229567, now seen corresponding path program 6 times
[2024-01-26 05:02:00,278 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-01-26 05:02:00,278 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732452843]
[2024-01-26 05:02:00,278 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-01-26 05:02:00,278 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-01-26 05:02:00,294 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-01-26 05:02:00,499 INFO  L134       CoverageAnalysis]: Checked inductivity of 46 backedges. 29 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2024-01-26 05:02:00,499 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-01-26 05:02:00,499 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732452843]
[2024-01-26 05:02:00,499 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732452843] provided 0 perfect and 1 imperfect interpolant sequences
[2024-01-26 05:02:00,499 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1697625786]
[2024-01-26 05:02:00,500 INFO  L93    rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE
[2024-01-26 05:02:00,500 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-01-26 05:02:00,500 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-01-26 05:02:00,501 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)
[2024-01-26 05:02:00,530 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2024-01-26 05:02:00,624 INFO  L228   tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s)
[2024-01-26 05:02:00,624 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-01-26 05:02:00,625 INFO  L262         TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 6 conjunts are in the unsatisfiable core
[2024-01-26 05:02:00,627 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2024-01-26 05:02:00,662 INFO  L134       CoverageAnalysis]: Checked inductivity of 46 backedges. 24 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked.
[2024-01-26 05:02:00,662 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2024-01-26 05:02:00,696 INFO  L134       CoverageAnalysis]: Checked inductivity of 46 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked.
[2024-01-26 05:02:00,696 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1697625786] provided 1 perfect and 1 imperfect interpolant sequences
[2024-01-26 05:02:00,696 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences.
[2024-01-26 05:02:00,697 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7, 5] total 11
[2024-01-26 05:02:00,697 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143621062]
[2024-01-26 05:02:00,697 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-01-26 05:02:00,697 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-01-26 05:02:00,697 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-01-26 05:02:00,698 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-01-26 05:02:00,698 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110
[2024-01-26 05:02:00,698 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-01-26 05:02:00,698 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-01-26 05:02:00,698 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 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)
[2024-01-26 05:02:00,698 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-01-26 05:02:00,698 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. 
[2024-01-26 05:02:00,698 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-01-26 05:02:00,698 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-01-26 05:02:00,698 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2024-01-26 05:02:00,699 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2024-01-26 05:02:00,699 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-01-26 05:02:00,699 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-01-26 05:02:00,858 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-01-26 05:02:00,858 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. 
[2024-01-26 05:02:00,858 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-01-26 05:02:00,858 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-01-26 05:02:00,858 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2024-01-26 05:02:00,858 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-01-26 05:02:00,858 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-01-26 05:02:00,858 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-01-26 05:02:00,866 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0
[2024-01-26 05:02:01,064 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7
[2024-01-26 05:02:01,064 INFO  L420      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-01-26 05:02:01,065 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-01-26 05:02:01,065 INFO  L85        PathProgramCache]: Analyzing trace with hash 904876169, now seen corresponding path program 7 times
[2024-01-26 05:02:01,065 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-01-26 05:02:01,065 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414026808]
[2024-01-26 05:02:01,065 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-01-26 05:02:01,065 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-01-26 05:02:01,084 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-01-26 05:02:01,409 INFO  L134       CoverageAnalysis]: Checked inductivity of 32 backedges. 10 proven. 20 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-01-26 05:02:01,409 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-01-26 05:02:01,409 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414026808]
[2024-01-26 05:02:01,409 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414026808] provided 0 perfect and 1 imperfect interpolant sequences
[2024-01-26 05:02:01,410 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1640760522]
[2024-01-26 05:02:01,410 INFO  L93    rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY
[2024-01-26 05:02:01,410 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-01-26 05:02:01,410 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-01-26 05:02:01,411 INFO  L229       MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-01-26 05:02:01,429 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2024-01-26 05:02:01,518 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-01-26 05:02:01,519 INFO  L262         TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 20 conjunts are in the unsatisfiable core
[2024-01-26 05:02:01,520 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2024-01-26 05:02:01,720 INFO  L134       CoverageAnalysis]: Checked inductivity of 32 backedges. 10 proven. 20 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-01-26 05:02:01,721 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2024-01-26 05:02:01,921 INFO  L134       CoverageAnalysis]: Checked inductivity of 32 backedges. 12 proven. 18 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-01-26 05:02:01,922 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1640760522] provided 0 perfect and 2 imperfect interpolant sequences
[2024-01-26 05:02:01,922 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-01-26 05:02:01,922 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 13, 12] total 25
[2024-01-26 05:02:01,922 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225366495]
[2024-01-26 05:02:01,922 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-01-26 05:02:01,923 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 25 states
[2024-01-26 05:02:01,923 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-01-26 05:02:01,923 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants.
[2024-01-26 05:02:01,923 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=484, Unknown=0, NotChecked=0, Total=600
[2024-01-26 05:02:01,923 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-01-26 05:02:01,924 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-01-26 05:02:01,924 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 25 states, 25 states have (on average 7.32) internal successors, (183), 25 states have internal predecessors, (183), 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)
[2024-01-26 05:02:01,924 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-01-26 05:02:01,924 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. 
[2024-01-26 05:02:01,924 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-01-26 05:02:01,924 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-01-26 05:02:01,924 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. 
[2024-01-26 05:02:01,924 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2024-01-26 05:02:01,924 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-01-26 05:02:01,924 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2024-01-26 05:02:01,924 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-01-26 05:02:05,517 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-01-26 05:02:05,518 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. 
[2024-01-26 05:02:05,518 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-01-26 05:02:05,518 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-01-26 05:02:05,518 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. 
[2024-01-26 05:02:05,518 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-01-26 05:02:05,518 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-01-26 05:02:05,518 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2024-01-26 05:02:05,518 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. 
[2024-01-26 05:02:05,520 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-01-26 05:02:05,528 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0
[2024-01-26 05:02:05,729 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-01-26 05:02:05,734 INFO  L445         BasicCegarLoop]: Path program histogram: [7, 1, 1]
[2024-01-26 05:02:05,735 INFO  L308   ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was SAFE (1/4)
[2024-01-26 05:02:05,739 INFO  L103   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-01-26 05:02:05,739 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2024-01-26 05:02:05,739 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-01-26 05:02:05,740 INFO  L229       MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2024-01-26 05:02:05,744 INFO  L166   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2024-01-26 05:02:05,744 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ========
[2024-01-26 05:02:05,744 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;@3e0ef783, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-01-26 05:02:05,744 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-01-26 05:02:05,747 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining)
[2024-01-26 05:02:05,747 INFO  L445         BasicCegarLoop]: Path program histogram: []
[2024-01-26 05:02:05,748 INFO  L308   ceAbstractionStarter]: Result for error location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (2/4)
[2024-01-26 05:02:05,749 INFO  L103   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-01-26 05:02:05,749 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2024-01-26 05:02:05,749 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-01-26 05:02:05,752 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (8)] Waiting until timeout for monitored process
[2024-01-26 05:02:05,768 INFO  L229       MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2024-01-26 05:02:05,769 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (9)] Waiting until timeout for monitored process
[2024-01-26 05:02:05,771 INFO  L166   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2024-01-26 05:02:05,771 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ========
[2024-01-26 05:02:05,772 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;@3e0ef783, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-01-26 05:02:05,772 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-01-26 05:02:05,779 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining)
[2024-01-26 05:02:05,780 INFO  L445         BasicCegarLoop]: Path program histogram: []
[2024-01-26 05:02:05,780 INFO  L308   ceAbstractionStarter]: Result for error location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (3/4)
[2024-01-26 05:02:05,781 INFO  L103   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-01-26 05:02:05,782 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2024-01-26 05:02:05,782 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-01-26 05:02:05,788 INFO  L229       MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2024-01-26 05:02:05,803 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (10)] Waiting until timeout for monitored process
[2024-01-26 05:02:05,805 INFO  L166   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2024-01-26 05:02:05,805 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ========
[2024-01-26 05:02:05,806 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;@3e0ef783, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-01-26 05:02:05,806 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-01-26 05:02:05,919 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining)
[2024-01-26 05:02:05,927 INFO  L445         BasicCegarLoop]: Path program histogram: []
[2024-01-26 05:02:05,928 INFO  L308   ceAbstractionStarter]: Result for error location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (4/4)
[2024-01-26 05:02:05,928 INFO  L229   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-01-26 05:02:05,928 INFO  L179   ceAbstractionStarter]: Computing trace abstraction results
[2024-01-26 05:02:05,933 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.01 05:02:05 BasicIcfg
[2024-01-26 05:02:05,934 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-01-26 05:02:05,934 INFO  L158              Benchmark]: Toolchain (without parser) took 12311.12ms. Allocated memory was 156.2MB in the beginning and 801.1MB in the end (delta: 644.9MB). Free memory was 108.9MB in the beginning and 735.5MB in the end (delta: -626.6MB). Peak memory consumption was 231.8MB. Max. memory is 8.0GB.
[2024-01-26 05:02:05,934 INFO  L158              Benchmark]: CDTParser took 0.10ms. Allocated memory is still 156.2MB. Free memory is still 114.0MB. There was no memory consumed. Max. memory is 8.0GB.
[2024-01-26 05:02:05,934 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 162.07ms. Allocated memory is still 156.2MB. Free memory was 108.5MB in the beginning and 96.9MB in the end (delta: 11.6MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB.
[2024-01-26 05:02:05,935 INFO  L158              Benchmark]: Boogie Procedure Inliner took 30.13ms. Allocated memory is still 156.2MB. Free memory was 96.9MB in the beginning and 95.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
[2024-01-26 05:02:05,935 INFO  L158              Benchmark]: Boogie Preprocessor took 17.38ms. Allocated memory is still 156.2MB. Free memory was 95.2MB in the beginning and 93.8MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
[2024-01-26 05:02:05,935 INFO  L158              Benchmark]: RCFGBuilder took 396.53ms. Allocated memory is still 156.2MB. Free memory was 93.5MB in the beginning and 78.5MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB.
[2024-01-26 05:02:05,935 INFO  L158              Benchmark]: TraceAbstraction took 11700.82ms. Allocated memory was 156.2MB in the beginning and 801.1MB in the end (delta: 644.9MB). Free memory was 77.7MB in the beginning and 735.5MB in the end (delta: -657.7MB). Peak memory consumption was 200.3MB. Max. memory is 8.0GB.
[2024-01-26 05:02:05,936 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.10ms. Allocated memory is still 156.2MB. Free memory is still 114.0MB. There was no memory consumed. Max. memory is 8.0GB.
 * CACSL2BoogieTranslator took 162.07ms. Allocated memory is still 156.2MB. Free memory was 108.5MB in the beginning and 96.9MB in the end (delta: 11.6MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB.
 * Boogie Procedure Inliner took 30.13ms. Allocated memory is still 156.2MB. Free memory was 96.9MB in the beginning and 95.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
 * Boogie Preprocessor took 17.38ms. Allocated memory is still 156.2MB. Free memory was 95.2MB in the beginning and 93.8MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
 * RCFGBuilder took 396.53ms. Allocated memory is still 156.2MB. Free memory was 93.5MB in the beginning and 78.5MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB.
 * TraceAbstraction took 11700.82ms. Allocated memory was 156.2MB in the beginning and 801.1MB in the end (delta: 644.9MB). Free memory was 77.7MB in the beginning and 735.5MB in the end (delta: -657.7MB). Peak memory consumption was 200.3MB. Max. memory is 8.0GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: Independence relation #1 benchmarks
    ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 335575, independent: 328237, independent conditional: 328237, independent unconditional: 0, dependent: 7338, dependent conditional: 7338, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 329448, independent: 328237, independent conditional: 328237, independent unconditional: 0, dependent: 1211, dependent conditional: 1211, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 329448, independent: 328237, independent conditional: 328237, independent unconditional: 0, dependent: 1211, dependent conditional: 1211, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 341292, independent: 328237, independent conditional: 1010, independent unconditional: 327227, dependent: 13055, dependent conditional: 10834, dependent unconditional: 2221, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 341292, independent: 328237, independent conditional: 1010, independent unconditional: 327227, dependent: 13055, dependent conditional: 3709, dependent unconditional: 9346, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 341292, independent: 328237, independent conditional: 1010, independent unconditional: 327227, dependent: 13055, dependent conditional: 3709, dependent unconditional: 9346, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 701, independent: 629, independent conditional: 32, independent unconditional: 597, dependent: 72, dependent conditional: 64, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 701, independent: 589, independent conditional: 0, independent unconditional: 589, dependent: 112, dependent conditional: 0, dependent unconditional: 112, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 112, independent: 40, independent conditional: 32, independent unconditional: 8, dependent: 72, dependent conditional: 64, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 112, independent: 40, independent conditional: 32, independent unconditional: 8, dependent: 72, dependent conditional: 64, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 264, independent: 68, independent conditional: 51, independent unconditional: 16, dependent: 196, dependent conditional: 152, dependent unconditional: 44, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 341292, independent: 327608, independent conditional: 978, independent unconditional: 326630, dependent: 12983, dependent conditional: 3645, dependent unconditional: 9338, unknown: 701, unknown conditional: 96, unknown unconditional: 605] , Statistics on independence cache: Total cache size (in pairs): 701, Positive cache size: 629, Positive conditional cache size: 32, Positive unconditional cache size: 597, Negative cache size: 72, Negative conditional cache size: 64, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 7125, Maximal queried relation: 9, Independence queries for same thread: 6127
  - StatisticsResult: Independence relation #1 benchmarks
    ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 1, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 1
  - StatisticsResult: Independence relation #1 benchmarks
    ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 103, independent: 78, independent conditional: 78, independent unconditional: 0, dependent: 25, dependent conditional: 25, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 78, independent: 78, independent conditional: 78, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 78, independent: 78, independent conditional: 78, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 78, independent: 78, independent conditional: 0, independent unconditional: 78, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 78, independent: 78, independent conditional: 0, independent unconditional: 78, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 78, independent: 78, independent conditional: 0, independent unconditional: 78, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 78, independent: 78, independent conditional: 0, independent unconditional: 78, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 78, independent: 78, independent conditional: 0, independent unconditional: 78, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 78, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 78, unknown conditional: 0, unknown unconditional: 78] , Statistics on independence cache: Total cache size (in pairs): 78, Positive cache size: 78, Positive conditional cache size: 0, Positive unconditional cache size: 78, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 25
  - StatisticsResult: Independence relation #1 benchmarks
    ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2351, independent: 2035, independent conditional: 2035, independent unconditional: 0, dependent: 316, dependent conditional: 316, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2035, independent: 2035, independent conditional: 2035, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2035, independent: 2035, independent conditional: 2035, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2035, independent: 2035, independent conditional: 0, independent unconditional: 2035, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2035, independent: 2035, independent conditional: 0, independent unconditional: 2035, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2035, independent: 2035, independent conditional: 0, independent unconditional: 2035, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 401, independent: 401, independent conditional: 0, independent unconditional: 401, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 401, independent: 397, independent conditional: 0, independent unconditional: 397, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 27, independent: 27, independent conditional: 0, independent unconditional: 27, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2035, independent: 1634, independent conditional: 0, independent unconditional: 1634, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 401, unknown conditional: 0, unknown unconditional: 401] , Statistics on independence cache: Total cache size (in pairs): 401, Positive cache size: 401, Positive conditional cache size: 0, Positive unconditional cache size: 401, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 316
  - PositiveResult [Line: 116]: a call to reach_error is unreachable
    For all program executions holds that a call to reach_error is unreachable at this location
  - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances
    CFG has 7 procedures, 132 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 11.2s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 7, EmptinessCheckTime: 5.5s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 142, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 1470 NumberOfCodeBlocks, 1423 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 1976 ConstructedInterpolants, 0 QuantifiedInterpolants, 7403 SizeOfPredicates, 30 NumberOfNonLiveVariables, 1226 ConjunctsInSsa, 51 ConjunctsInUnsatCore, 19 InterpolantComputations, 6 PerfectInterpolantSequences, 615/695 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
  - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency: ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES with 1 thread instances
    CFG has 7 procedures, 132 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available
  - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency: ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES with 1 thread instances
    CFG has 7 procedures, 132 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available
  - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency: ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES with 1 thread instances
    CFG has 7 procedures, 132 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available
  - AllSpecificationsHoldResult: All specifications hold
    1 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2024-01-26 05:02:05,981 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (10)] Forceful destruction successful, exit code 0
[2024-01-26 05:02:06,175 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (9)] Forceful destruction successful, exit code 0
[2024-01-26 05:02:06,372 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (8)] Forceful destruction successful, exit code 0
[2024-01-26 05:02:06,575 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0
[2024-01-26 05:02:06,782 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0
Received shutdown request...