/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/DynamicStratifiedAbstractions.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/fib_unsafe-5.i


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


This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-57af04c-m
[2024-01-25 21:18:23,586 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-01-25 21:18:23,639 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf
[2024-01-25 21:18:23,642 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-01-25 21:18:23,642 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-01-25 21:18:23,643 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty.
[2024-01-25 21:18:23,662 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-01-25 21:18:23,662 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-01-25 21:18:23,663 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-01-25 21:18:23,666 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-01-25 21:18:23,666 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-01-25 21:18:23,666 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-01-25 21:18:23,666 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-01-25 21:18:23,667 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-01-25 21:18:23,668 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-01-25 21:18:23,668 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-01-25 21:18:23,668 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-01-25 21:18:23,668 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-01-25 21:18:23,668 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-01-25 21:18:23,668 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-01-25 21:18:23,669 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-01-25 21:18:23,669 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-01-25 21:18:23,669 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-01-25 21:18:23,669 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-01-25 21:18:23,670 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-01-25 21:18:23,670 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-01-25 21:18:23,670 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-01-25 21:18:23,670 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-01-25 21:18:23,670 INFO  L153        SettingsManager]:  * To the following directory=./dump/
[2024-01-25 21:18:23,671 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-01-25 21:18:23,671 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-01-25 21:18:23,672 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-01-25 21:18:23,672 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-01-25 21:18:23,672 INFO  L153        SettingsManager]:  * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL
[2024-01-25 21:18:23,672 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2024-01-25 21:18:23,672 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-01-25 21:18:23,672 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-01-25 21:18:23,672 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-01-25 21:18:23,672 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2024-01-25 21:18:23,673 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2024-01-25 21:18:23,673 INFO  L153        SettingsManager]:  * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS
[2024-01-25 21:18:23,673 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION
[2024-01-25 21:18:23,884 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-01-25 21:18:23,901 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-01-25 21:18:23,903 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-01-25 21:18:23,904 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-01-25 21:18:23,904 INFO  L274        PluginConnector]: CDTParser initialized
[2024-01-25 21:18:23,905 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread/fib_unsafe-5.i
[2024-01-25 21:18:24,935 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-01-25 21:18:25,115 INFO  L384              CDTParser]: Found 1 translation units.
[2024-01-25 21:18:25,115 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_unsafe-5.i
[2024-01-25 21:18:25,144 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/f3dfab936/e7121ae2577f46d4b427cf141527dc06/FLAGe94837d8a
[2024-01-25 21:18:25,156 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/f3dfab936/e7121ae2577f46d4b427cf141527dc06
[2024-01-25 21:18:25,158 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-01-25 21:18:25,159 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-01-25 21:18:25,162 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-01-25 21:18:25,162 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-01-25 21:18:25,165 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-01-25 21:18:25,165 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.01 09:18:25" (1/1) ...
[2024-01-25 21:18:25,166 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dee72f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 09:18:25, skipping insertion in model container
[2024-01-25 21:18:25,166 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.01 09:18:25" (1/1) ...
[2024-01-25 21:18:25,206 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2024-01-25 21:18:25,439 WARN  L239   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_unsafe-5.i[30243,30256]
[2024-01-25 21:18:25,456 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2024-01-25 21:18:25,463 INFO  L202         MainTranslator]: Completed pre-run
[2024-01-25 21:18:25,498 WARN  L239   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_unsafe-5.i[30243,30256]
[2024-01-25 21:18:25,503 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2024-01-25 21:18:25,524 INFO  L206         MainTranslator]: Completed translation
[2024-01-25 21:18:25,524 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 09:18:25 WrapperNode
[2024-01-25 21:18:25,527 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-01-25 21:18:25,528 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-01-25 21:18:25,529 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-01-25 21:18:25,529 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-01-25 21:18:25,534 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 09:18:25" (1/1) ...
[2024-01-25 21:18:25,564 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 09:18:25" (1/1) ...
[2024-01-25 21:18:25,580 INFO  L138                Inliner]: procedures = 165, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 74
[2024-01-25 21:18:25,580 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-01-25 21:18:25,581 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-01-25 21:18:25,581 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-01-25 21:18:25,581 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-01-25 21:18:25,586 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 09:18:25" (1/1) ...
[2024-01-25 21:18:25,586 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 09:18:25" (1/1) ...
[2024-01-25 21:18:25,591 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 09:18:25" (1/1) ...
[2024-01-25 21:18:25,591 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 09:18:25" (1/1) ...
[2024-01-25 21:18:25,599 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 09:18:25" (1/1) ...
[2024-01-25 21:18:25,601 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 09:18:25" (1/1) ...
[2024-01-25 21:18:25,602 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 09:18:25" (1/1) ...
[2024-01-25 21:18:25,603 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 09:18:25" (1/1) ...
[2024-01-25 21:18:25,605 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-01-25 21:18:25,605 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-01-25 21:18:25,605 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-01-25 21:18:25,605 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-01-25 21:18:25,606 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 09:18:25" (1/1) ...
[2024-01-25 21:18:25,615 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-01-25 21:18:25,622 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-01-25 21:18:25,631 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)
[2024-01-25 21:18:25,637 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
[2024-01-25 21:18:25,650 INFO  L130     BoogieDeclarations]: Found specification of procedure t1
[2024-01-25 21:18:25,650 INFO  L138     BoogieDeclarations]: Found implementation of procedure t1
[2024-01-25 21:18:25,650 INFO  L130     BoogieDeclarations]: Found specification of procedure t2
[2024-01-25 21:18:25,650 INFO  L138     BoogieDeclarations]: Found implementation of procedure t2
[2024-01-25 21:18:25,650 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2024-01-25 21:18:25,650 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2024-01-25 21:18:25,651 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-01-25 21:18:25,651 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-01-25 21:18:25,651 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-01-25 21:18:25,651 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2024-01-25 21:18:25,652 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2024-01-25 21:18:25,652 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-01-25 21:18:25,653 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-01-25 21:18:25,653 WARN  L213             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement
[2024-01-25 21:18:25,742 INFO  L241             CfgBuilder]: Building ICFG
[2024-01-25 21:18:25,743 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-01-25 21:18:25,870 INFO  L282             CfgBuilder]: Performing block encoding
[2024-01-25 21:18:25,877 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-01-25 21:18:25,877 INFO  L309             CfgBuilder]: Removed 3 assume(true) statements.
[2024-01-25 21:18:25,877 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.01 09:18:25 BoogieIcfgContainer
[2024-01-25 21:18:25,877 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-01-25 21:18:25,879 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-01-25 21:18:25,879 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-01-25 21:18:25,881 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-01-25 21:18:25,881 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.01 09:18:25" (1/3) ...
[2024-01-25 21:18:25,881 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a546555 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.01 09:18:25, skipping insertion in model container
[2024-01-25 21:18:25,882 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.01 09:18:25" (2/3) ...
[2024-01-25 21:18:25,882 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a546555 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.01 09:18:25, skipping insertion in model container
[2024-01-25 21:18:25,882 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.01 09:18:25" (3/3) ...
[2024-01-25 21:18:25,883 INFO  L112   eAbstractionObserver]: Analyzing ICFG fib_unsafe-5.i
[2024-01-25 21:18:25,888 WARN  L146   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2024-01-25 21:18:25,895 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-01-25 21:18:25,895 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-01-25 21:18:25,895 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-01-25 21:18:25,930 INFO  L144    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-01-25 21:18:25,967 INFO  L103   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-01-25 21:18:25,968 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2024-01-25 21:18:25,968 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-01-25 21:18:25,970 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)
[2024-01-25 21:18:25,974 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
[2024-01-25 21:18:26,005 INFO  L166   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2024-01-25 21:18:26,012 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ========
[2024-01-25 21:18:26,018 INFO  L357      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5494ce8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-01-25 21:18:26,018 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
[2024-01-25 21:18:26,714 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-01-25 21:18:26,717 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-01-25 21:18:26,717 INFO  L85        PathProgramCache]: Analyzing trace with hash -544627393, now seen corresponding path program 1 times
[2024-01-25 21:18:26,723 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-01-25 21:18:26,724 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718367180]
[2024-01-25 21:18:26,724 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-01-25 21:18:26,724 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-01-25 21:18:26,824 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-01-25 21:18:27,072 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-01-25 21:18:27,073 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-01-25 21:18:27,073 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718367180]
[2024-01-25 21:18:27,073 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718367180] provided 0 perfect and 1 imperfect interpolant sequences
[2024-01-25 21:18:27,073 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [163877052]
[2024-01-25 21:18:27,074 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-01-25 21:18:27,074 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-01-25 21:18:27,074 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-01-25 21:18:27,118 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)
[2024-01-25 21:18:27,128 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-01-25 21:18:27,209 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-01-25 21:18:27,211 INFO  L262         TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 4 conjunts are in the unsatisfiable core
[2024-01-25 21:18:27,217 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2024-01-25 21:18:27,313 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-01-25 21:18:27,314 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2024-01-25 21:18:27,357 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-01-25 21:18:27,357 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [163877052] provided 0 perfect and 2 imperfect interpolant sequences
[2024-01-25 21:18:27,357 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-01-25 21:18:27,357 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10
[2024-01-25 21:18:27,359 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735115970]
[2024-01-25 21:18:27,360 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-01-25 21:18:27,366 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2024-01-25 21:18:27,366 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-01-25 21:18:27,384 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2024-01-25 21:18:27,385 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90
[2024-01-25 21:18:27,385 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-01-25 21:18:27,387 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-01-25 21:18:27,388 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 10 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 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)
[2024-01-25 21:18:27,388 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
[2024-01-25 21:18:27,464 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-01-25 21:18:27,471 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-01-25 21:18:27,668 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,SelfDestructingSolverStorable0
[2024-01-25 21:18:27,669 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-01-25 21:18:27,669 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-01-25 21:18:27,670 INFO  L85        PathProgramCache]: Analyzing trace with hash -1061843560, now seen corresponding path program 2 times
[2024-01-25 21:18:27,670 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-01-25 21:18:27,670 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338100516]
[2024-01-25 21:18:27,670 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-01-25 21:18:27,671 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-01-25 21:18:27,706 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-01-25 21:18:27,926 INFO  L134       CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-01-25 21:18:27,927 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-01-25 21:18:27,927 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338100516]
[2024-01-25 21:18:27,927 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338100516] provided 0 perfect and 1 imperfect interpolant sequences
[2024-01-25 21:18:27,927 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [979384187]
[2024-01-25 21:18:27,928 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-01-25 21:18:27,928 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-01-25 21:18:27,928 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-01-25 21:18:27,929 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)
[2024-01-25 21:18:27,949 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-01-25 21:18:28,014 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-01-25 21:18:28,014 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-01-25 21:18:28,015 INFO  L262         TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 10 conjunts are in the unsatisfiable core
[2024-01-25 21:18:28,018 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2024-01-25 21:18:28,078 INFO  L134       CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-01-25 21:18:28,078 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2024-01-25 21:18:28,198 INFO  L134       CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-01-25 21:18:28,199 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [979384187] provided 0 perfect and 2 imperfect interpolant sequences
[2024-01-25 21:18:28,199 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-01-25 21:18:28,199 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 22
[2024-01-25 21:18:28,199 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728029933]
[2024-01-25 21:18:28,199 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-01-25 21:18:28,201 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 22 states
[2024-01-25 21:18:28,201 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-01-25 21:18:28,201 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants.
[2024-01-25 21:18:28,202 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=330, Unknown=0, NotChecked=0, Total=462
[2024-01-25 21:18:28,202 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-01-25 21:18:28,202 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-01-25 21:18:28,203 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 22 states, 22 states have (on average 5.2272727272727275) internal successors, (115), 22 states have internal predecessors, (115), 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)
[2024-01-25 21:18:28,203 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2024-01-25 21:18:28,203 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
[2024-01-25 21:18:28,442 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-01-25 21:18:28,442 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. 
[2024-01-25 21:18:28,451 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2024-01-25 21:18:28,646 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-01-25 21:18:28,647 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-01-25 21:18:28,647 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-01-25 21:18:28,648 INFO  L85        PathProgramCache]: Analyzing trace with hash 160559096, now seen corresponding path program 3 times
[2024-01-25 21:18:28,648 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-01-25 21:18:28,648 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803103923]
[2024-01-25 21:18:28,648 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-01-25 21:18:28,648 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-01-25 21:18:28,683 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-01-25 21:18:29,023 INFO  L134       CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-01-25 21:18:29,023 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-01-25 21:18:29,023 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803103923]
[2024-01-25 21:18:29,023 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803103923] provided 0 perfect and 1 imperfect interpolant sequences
[2024-01-25 21:18:29,023 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [622475346]
[2024-01-25 21:18:29,023 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-01-25 21:18:29,024 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-01-25 21:18:29,024 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-01-25 21:18:29,025 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)
[2024-01-25 21:18:29,028 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-01-25 21:18:29,101 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s)
[2024-01-25 21:18:29,101 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-01-25 21:18:29,103 INFO  L262         TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 22 conjunts are in the unsatisfiable core
[2024-01-25 21:18:29,105 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2024-01-25 21:18:29,190 INFO  L134       CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-01-25 21:18:29,190 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2024-01-25 21:18:29,392 INFO  L134       CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-01-25 21:18:29,393 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [622475346] provided 0 perfect and 2 imperfect interpolant sequences
[2024-01-25 21:18:29,393 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-01-25 21:18:29,393 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 27
[2024-01-25 21:18:29,393 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371971629]
[2024-01-25 21:18:29,393 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-01-25 21:18:29,394 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2024-01-25 21:18:29,394 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-01-25 21:18:29,394 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2024-01-25 21:18:29,394 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=507, Unknown=0, NotChecked=0, Total=702
[2024-01-25 21:18:29,395 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-01-25 21:18:29,395 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-01-25 21:18:29,395 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 5.037037037037037) internal successors, (136), 27 states have internal predecessors, (136), 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)
[2024-01-25 21:18:29,395 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2024-01-25 21:18:29,395 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. 
[2024-01-25 21:18:29,395 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
[2024-01-25 21:18:29,671 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-01-25 21:18:29,671 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. 
[2024-01-25 21:18:29,671 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. 
[2024-01-25 21:18:29,676 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0
[2024-01-25 21:18:29,876 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-01-25 21:18:29,876 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-01-25 21:18:29,876 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-01-25 21:18:29,876 INFO  L85        PathProgramCache]: Analyzing trace with hash -1975295873, now seen corresponding path program 4 times
[2024-01-25 21:18:29,877 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-01-25 21:18:29,877 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520447775]
[2024-01-25 21:18:29,877 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-01-25 21:18:29,877 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-01-25 21:18:29,898 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-01-25 21:18:30,333 INFO  L134       CoverageAnalysis]: Checked inductivity of 559 backedges. 492 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-01-25 21:18:30,334 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-01-25 21:18:30,334 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520447775]
[2024-01-25 21:18:30,334 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1520447775] provided 0 perfect and 1 imperfect interpolant sequences
[2024-01-25 21:18:30,335 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1837440801]
[2024-01-25 21:18:30,335 INFO  L93    rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2024-01-25 21:18:30,335 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-01-25 21:18:30,335 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-01-25 21:18:30,336 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)
[2024-01-25 21:18:30,361 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2024-01-25 21:18:30,414 INFO  L228   tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2024-01-25 21:18:30,414 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-01-25 21:18:30,416 INFO  L262         TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 26 conjunts are in the unsatisfiable core
[2024-01-25 21:18:30,424 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2024-01-25 21:18:30,531 INFO  L134       CoverageAnalysis]: Checked inductivity of 559 backedges. 559 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-01-25 21:18:30,531 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-01-25 21:18:30,531 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1837440801] provided 1 perfect and 0 imperfect interpolant sequences
[2024-01-25 21:18:30,531 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-01-25 21:18:30,531 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [27] total 29
[2024-01-25 21:18:30,531 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665561811]
[2024-01-25 21:18:30,532 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-01-25 21:18:30,532 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2024-01-25 21:18:30,532 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-01-25 21:18:30,532 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2024-01-25 21:18:30,533 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=201, Invalid=611, Unknown=0, NotChecked=0, Total=812
[2024-01-25 21:18:30,533 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-01-25 21:18:30,533 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-01-25 21:18:30,534 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 5.222222222222222) internal successors, (141), 27 states have internal predecessors, (141), 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)
[2024-01-25 21:18:30,534 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2024-01-25 21:18:30,534 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. 
[2024-01-25 21:18:30,534 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. 
[2024-01-25 21:18:30,534 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
[2024-01-25 21:18:30,832 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2024-01-25 21:18:30,833 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. 
[2024-01-25 21:18:30,833 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. 
[2024-01-25 21:18:30,833 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. 
[2024-01-25 21:18:30,840 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0
[2024-01-25 21:18:31,041 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-01-25 21:18:31,041 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-01-25 21:18:31,041 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2024-01-25 21:18:31,042 INFO  L85        PathProgramCache]: Analyzing trace with hash 2069165592, now seen corresponding path program 5 times
[2024-01-25 21:18:31,042 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-01-25 21:18:31,042 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020211944]
[2024-01-25 21:18:31,042 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-01-25 21:18:31,042 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-01-25 21:18:31,067 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-01-25 21:18:32,473 INFO  L134       CoverageAnalysis]: Checked inductivity of 474 backedges. 0 proven. 474 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-01-25 21:18:32,473 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-01-25 21:18:32,473 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020211944]
[2024-01-25 21:18:32,473 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020211944] provided 0 perfect and 1 imperfect interpolant sequences
[2024-01-25 21:18:32,473 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2069238486]
[2024-01-25 21:18:32,474 INFO  L93    rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2024-01-25 21:18:32,474 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-01-25 21:18:32,474 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-01-25 21:18:32,475 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)
[2024-01-25 21:18:32,505 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2024-01-25 21:18:32,558 INFO  L228   tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s)
[2024-01-25 21:18:32,558 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-01-25 21:18:32,560 INFO  L262         TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 45 conjunts are in the unsatisfiable core
[2024-01-25 21:18:32,563 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2024-01-25 21:18:35,009 INFO  L134       CoverageAnalysis]: Checked inductivity of 474 backedges. 335 proven. 139 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-01-25 21:18:35,009 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2024-01-25 21:18:38,016 INFO  L134       CoverageAnalysis]: Checked inductivity of 474 backedges. 0 proven. 474 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-01-25 21:18:38,016 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [2069238486] provided 0 perfect and 2 imperfect interpolant sequences
[2024-01-25 21:18:38,016 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-01-25 21:18:38,016 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 45, 45] total 127
[2024-01-25 21:18:38,017 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596991490]
[2024-01-25 21:18:38,017 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-01-25 21:18:38,017 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 127 states
[2024-01-25 21:18:38,017 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-01-25 21:18:38,018 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 127 interpolants.
[2024-01-25 21:18:38,022 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=962, Invalid=15040, Unknown=0, NotChecked=0, Total=16002
[2024-01-25 21:18:38,022 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-01-25 21:18:38,023 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-01-25 21:18:38,023 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 127 states, 127 states have (on average 2.952755905511811) internal successors, (375), 127 states have internal predecessors, (375), 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)
[2024-01-25 21:18:38,023 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2024-01-25 21:18:38,023 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. 
[2024-01-25 21:18:38,023 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. 
[2024-01-25 21:18:38,023 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. 
[2024-01-25 21:18:38,023 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
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Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Found a loop, use abstraction hammer
Received shutdown request...
[2024-01-25 21:33:01,850 WARN  L340       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end
[2024-01-25 21:33:01,850 WARN  L340       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Timeout while monitored process is still running, waiting 1000 ms for graceful end
[2024-01-25 21:33:01,850 WARN  L340       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end
[2024-01-25 21:33:01,958 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0
[2024-01-25 21:33:02,152 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-01-25 21:33:02,153 WARN  L619      AbstractCegarLoop]: Verification canceled: while executing DynamicStratifiedReduction.
[2024-01-25 21:33:02,156 INFO  L805   garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-01-25 21:33:02,187 INFO  L445         BasicCegarLoop]: Path program histogram: [5]
[2024-01-25 21:33:02,188 INFO  L308   ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (1/3)
[2024-01-25 21:33:02,189 INFO  L229   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-01-25 21:33:02,189 INFO  L179   ceAbstractionStarter]: Computing trace abstraction results
[2024-01-25 21:33:02,191 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.01 09:33:02 BasicIcfg
[2024-01-25 21:33:02,191 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-01-25 21:33:02,192 INFO  L158              Benchmark]: Toolchain (without parser) took 877032.19ms. Allocated memory was 189.8MB in the beginning and 418.4MB in the end (delta: 228.6MB). Free memory was 141.5MB in the beginning and 126.1MB in the end (delta: 15.4MB). Peak memory consumption was 318.4MB. Max. memory is 8.0GB.
[2024-01-25 21:33:02,192 INFO  L158              Benchmark]: CDTParser took 0.12ms. Allocated memory is still 189.8MB. Free memory was 146.1MB in the beginning and 145.7MB in the end (delta: 372.3kB). There was no memory consumed. Max. memory is 8.0GB.
[2024-01-25 21:33:02,192 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 365.04ms. Allocated memory is still 189.8MB. Free memory was 141.0MB in the beginning and 121.1MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB.
[2024-01-25 21:33:02,192 INFO  L158              Benchmark]: Boogie Procedure Inliner took 52.44ms. Allocated memory is still 189.8MB. Free memory was 121.1MB in the beginning and 119.5MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
[2024-01-25 21:33:02,192 INFO  L158              Benchmark]: Boogie Preprocessor took 23.69ms. Allocated memory is still 189.8MB. Free memory was 119.5MB in the beginning and 117.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
[2024-01-25 21:33:02,195 INFO  L158              Benchmark]: RCFGBuilder took 272.37ms. Allocated memory is still 189.8MB. Free memory was 117.9MB in the beginning and 103.8MB in the end (delta: 14.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB.
[2024-01-25 21:33:02,195 INFO  L158              Benchmark]: TraceAbstraction took 876312.38ms. Allocated memory was 189.8MB in the beginning and 418.4MB in the end (delta: 228.6MB). Free memory was 103.2MB in the beginning and 126.1MB in the end (delta: -22.9MB). Peak memory consumption was 279.6MB. Max. memory is 8.0GB.
[2024-01-25 21:33:02,196 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.12ms. Allocated memory is still 189.8MB. Free memory was 146.1MB in the beginning and 145.7MB in the end (delta: 372.3kB). There was no memory consumed. Max. memory is 8.0GB.
 * CACSL2BoogieTranslator took 365.04ms. Allocated memory is still 189.8MB. Free memory was 141.0MB in the beginning and 121.1MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB.
 * Boogie Procedure Inliner took 52.44ms. Allocated memory is still 189.8MB. Free memory was 121.1MB in the beginning and 119.5MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
 * Boogie Preprocessor took 23.69ms. Allocated memory is still 189.8MB. Free memory was 119.5MB in the beginning and 117.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
 * RCFGBuilder took 272.37ms. Allocated memory is still 189.8MB. Free memory was 117.9MB in the beginning and 103.8MB in the end (delta: 14.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB.
 * TraceAbstraction took 876312.38ms. Allocated memory was 189.8MB in the beginning and 418.4MB in the end (delta: 228.6MB). Free memory was 103.2MB in the beginning and 126.1MB in the end (delta: -22.9MB). Peak memory consumption was 279.6MB. Max. memory is 8.0GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: Independence relation #1 benchmarks
    ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 33357, independent: 31343, independent conditional: 31343, independent unconditional: 0, dependent: 2014, dependent conditional: 2014, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 31425, independent: 31343, independent conditional: 31343, independent unconditional: 0, dependent: 82, dependent conditional: 82, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 31425, independent: 31343, independent conditional: 31343, independent unconditional: 0, dependent: 82, dependent conditional: 82, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 31805, independent: 31343, independent conditional: 0, independent unconditional: 31343, dependent: 462, dependent conditional: 380, dependent unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 31805, independent: 31343, independent conditional: 0, independent unconditional: 31343, dependent: 462, dependent conditional: 0, dependent unconditional: 462, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 31805, independent: 31343, independent conditional: 0, independent unconditional: 31343, dependent: 462, dependent conditional: 0, dependent unconditional: 462, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 31425, independent: 31343, independent conditional: 0, independent unconditional: 31343, dependent: 82, dependent conditional: 0, dependent unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 31425, independent: 31343, independent conditional: 0, independent unconditional: 31343, dependent: 82, dependent conditional: 0, dependent unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 82, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 82, dependent conditional: 0, dependent unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 82, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 82, dependent conditional: 0, dependent unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 82, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 82, dependent conditional: 0, dependent unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 107, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 107, dependent conditional: 0, dependent unconditional: 107, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 31805, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 380, dependent conditional: 0, dependent unconditional: 380, unknown: 31425, unknown conditional: 0, unknown unconditional: 31425] , Statistics on independence cache: Total cache size (in pairs): 31425, Positive cache size: 31343, Positive conditional cache size: 0, Positive unconditional cache size: 31343, Negative cache size: 82, Negative conditional cache size: 0, Negative unconditional cache size: 82, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 380, Maximal queried relation: 5, Independence queries for same thread: 1932
  - StatisticsResult: Proof manager benchmarks
    IrresponsibleProofs: 12, RedundantProofs: 3, ProvenStates: 1815, Times there's more than one choice: 1812, Avg number of choices: 4.993388429752066
  - StatisticsResult: Reduction benchmarks
    0.0s Time before loop, 0.3s Time in loop, 0.3s Time in total, Has Loop: true, Protected Variables: [], Protected Variables before encountering a loop: []
  - TimeoutResultAtElement [Line: 681]: Timeout (TraceAbstraction)
    Unable to prove that a call to reach_error is unreachable Cancelled while executing DynamicStratifiedReduction.
  - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances
    CFG has 5 procedures, 112 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 876.2s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 865.5s, 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: 167, 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, 0.3s SatisfiabilityAnalysisTime, 8.8s InterpolantComputationTime, 1060 NumberOfCodeBlocks, 1060 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 1435 ConstructedInterpolants, 0 QuantifiedInterpolants, 7342 SizeOfPredicates, 96 NumberOfNonLiveVariables, 1150 ConjunctsInSsa, 107 ConjunctsInUnsatCore, 14 InterpolantComputations, 1 PerfectInterpolantSequences, 1386/3656 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate could not prove your program: Timeout
Completed graceful shutdown