/usr/bin/java -Xmx7000000000 -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 0.2.3-wip.dk.dynamic-abstractions-e2ee32c-m
[2023-09-06 22:35:42,693 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-09-06 22:35:42,741 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf
[2023-09-06 22:35:42,744 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-09-06 22:35:42,744 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-09-06 22:35:42,744 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty.
[2023-09-06 22:35:42,758 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-09-06 22:35:42,759 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-09-06 22:35:42,759 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-09-06 22:35:42,759 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-09-06 22:35:42,759 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-09-06 22:35:42,760 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-09-06 22:35:42,760 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-09-06 22:35:42,760 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-09-06 22:35:42,762 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-09-06 22:35:42,762 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-09-06 22:35:42,762 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-09-06 22:35:42,763 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-09-06 22:35:42,763 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-09-06 22:35:42,763 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-09-06 22:35:42,763 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-09-06 22:35:42,766 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-09-06 22:35:42,766 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-09-06 22:35:42,766 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-09-06 22:35:42,766 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-09-06 22:35:42,767 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-09-06 22:35:42,767 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-09-06 22:35:42,767 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-09-06 22:35:42,767 INFO  L153        SettingsManager]:  * To the following directory=./dump/
[2023-09-06 22:35:42,767 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-09-06 22:35:42,768 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-09-06 22:35:42,768 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-09-06 22:35:42,768 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-09-06 22:35:42,768 INFO  L153        SettingsManager]:  * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL
[2023-09-06 22:35:42,768 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2023-09-06 22:35:42,768 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-09-06 22:35:42,769 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-09-06 22:35:42,769 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-09-06 22:35:42,769 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2023-09-06 22:35:42,769 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-09-06 22:35:42,769 INFO  L153        SettingsManager]:  * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS
[2023-09-06 22:35:42,772 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/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION
[2023-09-06 22:35:42,966 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-09-06 22:35:42,987 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-09-06 22:35:42,989 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-09-06 22:35:42,989 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-09-06 22:35:42,990 INFO  L274        PluginConnector]: CDTParser initialized
[2023-09-06 22:35:42,990 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/fib_unsafe-5.i
[2023-09-06 22:35:43,945 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-09-06 22:35:44,099 INFO  L384              CDTParser]: Found 1 translation units.
[2023-09-06 22:35:44,100 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_unsafe-5.i
[2023-09-06 22:35:44,109 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01f8930b9/1ef98884c9294fd9b8bd0ecce37b9840/FLAG2cdd81658
[2023-09-06 22:35:44,119 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/01f8930b9/1ef98884c9294fd9b8bd0ecce37b9840
[2023-09-06 22:35:44,121 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-09-06 22:35:44,121 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2023-09-06 22:35:44,122 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-09-06 22:35:44,122 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-09-06 22:35:44,134 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-09-06 22:35:44,135 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 10:35:44" (1/1) ...
[2023-09-06 22:35:44,135 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@295b8ac9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 10:35:44, skipping insertion in model container
[2023-09-06 22:35:44,135 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 10:35:44" (1/1) ...
[2023-09-06 22:35:44,172 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-09-06 22:35:44,346 WARN  L240   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]
[2023-09-06 22:35:44,363 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-09-06 22:35:44,371 INFO  L202         MainTranslator]: Completed pre-run
[2023-09-06 22:35:44,400 WARN  L75    lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [229]
[2023-09-06 22:35:44,401 WARN  L75    lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [230]
[2023-09-06 22:35:44,410 WARN  L240   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]
[2023-09-06 22:35:44,415 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-09-06 22:35:44,436 WARN  L669               CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler.
[2023-09-06 22:35:44,436 WARN  L669               CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler.
[2023-09-06 22:35:44,441 INFO  L206         MainTranslator]: Completed translation
[2023-09-06 22:35:44,441 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 10:35:44 WrapperNode
[2023-09-06 22:35:44,441 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-09-06 22:35:44,442 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-09-06 22:35:44,442 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-09-06 22:35:44,442 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-09-06 22:35:44,447 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 10:35:44" (1/1) ...
[2023-09-06 22:35:44,470 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 10:35:44" (1/1) ...
[2023-09-06 22:35:44,488 INFO  L138                Inliner]: procedures = 165, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 76
[2023-09-06 22:35:44,489 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-09-06 22:35:44,489 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-09-06 22:35:44,489 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-09-06 22:35:44,490 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-09-06 22:35:44,495 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 10:35:44" (1/1) ...
[2023-09-06 22:35:44,495 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 10:35:44" (1/1) ...
[2023-09-06 22:35:44,501 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 10:35:44" (1/1) ...
[2023-09-06 22:35:44,501 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 10:35:44" (1/1) ...
[2023-09-06 22:35:44,514 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 10:35:44" (1/1) ...
[2023-09-06 22:35:44,517 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 10:35:44" (1/1) ...
[2023-09-06 22:35:44,524 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 10:35:44" (1/1) ...
[2023-09-06 22:35:44,525 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 10:35:44" (1/1) ...
[2023-09-06 22:35:44,526 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-09-06 22:35:44,527 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-09-06 22:35:44,527 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-09-06 22:35:44,527 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-09-06 22:35:44,528 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 10:35:44" (1/1) ...
[2023-09-06 22:35:44,535 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-09-06 22:35:44,543 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-09-06 22:35:44,555 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-09-06 22:35:44,576 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-09-06 22:35:44,586 INFO  L130     BoogieDeclarations]: Found specification of procedure t1
[2023-09-06 22:35:44,587 INFO  L138     BoogieDeclarations]: Found implementation of procedure t1
[2023-09-06 22:35:44,587 INFO  L130     BoogieDeclarations]: Found specification of procedure t2
[2023-09-06 22:35:44,587 INFO  L138     BoogieDeclarations]: Found implementation of procedure t2
[2023-09-06 22:35:44,587 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2023-09-06 22:35:44,588 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2023-09-06 22:35:44,588 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-09-06 22:35:44,588 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-09-06 22:35:44,588 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-09-06 22:35:44,588 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2023-09-06 22:35:44,589 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2023-09-06 22:35:44,589 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-09-06 22:35:44,589 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-09-06 22:35:44,590 WARN  L210             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement
[2023-09-06 22:35:44,695 INFO  L236             CfgBuilder]: Building ICFG
[2023-09-06 22:35:44,696 INFO  L262             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-09-06 22:35:44,811 INFO  L277             CfgBuilder]: Performing block encoding
[2023-09-06 22:35:44,816 INFO  L297             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-09-06 22:35:44,816 INFO  L302             CfgBuilder]: Removed 3 assume(true) statements.
[2023-09-06 22:35:44,818 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 10:35:44 BoogieIcfgContainer
[2023-09-06 22:35:44,818 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-09-06 22:35:44,819 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-09-06 22:35:44,820 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-09-06 22:35:44,822 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-09-06 22:35:44,822 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.09 10:35:44" (1/3) ...
[2023-09-06 22:35:44,822 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c0cea0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.09 10:35:44, skipping insertion in model container
[2023-09-06 22:35:44,822 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 10:35:44" (2/3) ...
[2023-09-06 22:35:44,823 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c0cea0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.09 10:35:44, skipping insertion in model container
[2023-09-06 22:35:44,823 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 10:35:44" (3/3) ...
[2023-09-06 22:35:44,824 INFO  L112   eAbstractionObserver]: Analyzing ICFG fib_unsafe-5.i
[2023-09-06 22:35:44,832 WARN  L145   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2023-09-06 22:35:44,863 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-09-06 22:35:44,864 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-09-06 22:35:44,864 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2023-09-06 22:35:44,901 INFO  L144    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2023-09-06 22:35:44,934 INFO  L103   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-09-06 22:35:44,934 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2023-09-06 22:35:44,935 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-09-06 22:35:44,937 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2023-09-06 22:35:44,938 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2023-09-06 22:35:44,975 INFO  L166   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2023-09-06 22:35:44,982 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ========
[2023-09-06 22:35:44,987 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;@86ff3e5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-09-06 22:35:44,987 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
[2023-09-06 22:35:45,745 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-09-06 22:35:45,750 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-09-06 22:35:45,750 INFO  L85        PathProgramCache]: Analyzing trace with hash 1875915451, now seen corresponding path program 1 times
[2023-09-06 22:35:45,756 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-09-06 22:35:45,757 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628700197]
[2023-09-06 22:35:45,757 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-09-06 22:35:45,757 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-09-06 22:35:45,863 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-09-06 22:35:46,071 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-09-06 22:35:46,071 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-09-06 22:35:46,072 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628700197]
[2023-09-06 22:35:46,072 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628700197] provided 0 perfect and 1 imperfect interpolant sequences
[2023-09-06 22:35:46,072 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [75361967]
[2023-09-06 22:35:46,072 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-09-06 22:35:46,072 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-09-06 22:35:46,073 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-09-06 22:35:46,130 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-09-06 22:35:46,131 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2023-09-06 22:35:46,234 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-09-06 22:35:46,236 INFO  L262         TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 4 conjunts are in the unsatisfiable core
[2023-09-06 22:35:46,239 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-09-06 22:35:46,297 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-09-06 22:35:46,297 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-09-06 22:35:46,375 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-09-06 22:35:46,376 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [75361967] provided 0 perfect and 2 imperfect interpolant sequences
[2023-09-06 22:35:46,376 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-09-06 22:35:46,376 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10
[2023-09-06 22:35:46,377 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412803366]
[2023-09-06 22:35:46,378 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-09-06 22:35:46,383 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2023-09-06 22:35:46,383 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-09-06 22:35:46,402 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2023-09-06 22:35:46,403 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90
[2023-09-06 22:35:46,403 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-06 22:35:46,405 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-09-06 22:35:46,406 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 10 states, 10 states have (on average 7.4) internal successors, (74), 10 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-09-06 22:35:46,406 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
[2023-09-06 22:35:46,478 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2023-09-06 22:35:46,486 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2023-09-06 22:35:46,683 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0
[2023-09-06 22:35:46,683 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-09-06 22:35:46,684 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-09-06 22:35:46,684 INFO  L85        PathProgramCache]: Analyzing trace with hash -1053492738, now seen corresponding path program 2 times
[2023-09-06 22:35:46,685 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-09-06 22:35:46,685 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93962171]
[2023-09-06 22:35:46,685 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-09-06 22:35:46,686 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-09-06 22:35:46,718 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-09-06 22:35:46,914 INFO  L134       CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-09-06 22:35:46,915 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-09-06 22:35:46,915 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93962171]
[2023-09-06 22:35:46,915 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93962171] provided 0 perfect and 1 imperfect interpolant sequences
[2023-09-06 22:35:46,915 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2103894485]
[2023-09-06 22:35:46,915 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2023-09-06 22:35:46,915 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-09-06 22:35:46,915 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-09-06 22:35:46,921 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-09-06 22:35:46,923 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2023-09-06 22:35:47,002 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2023-09-06 22:35:47,002 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2023-09-06 22:35:47,003 INFO  L262         TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 10 conjunts are in the unsatisfiable core
[2023-09-06 22:35:47,006 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-09-06 22:35:47,087 INFO  L134       CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-09-06 22:35:47,087 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-09-06 22:35:47,228 INFO  L134       CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-09-06 22:35:47,229 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [2103894485] provided 0 perfect and 2 imperfect interpolant sequences
[2023-09-06 22:35:47,229 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-09-06 22:35:47,229 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 22
[2023-09-06 22:35:47,230 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244114497]
[2023-09-06 22:35:47,230 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-09-06 22:35:47,231 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 22 states
[2023-09-06 22:35:47,232 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-09-06 22:35:47,232 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants.
[2023-09-06 22:35:47,233 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=330, Unknown=0, NotChecked=0, Total=462
[2023-09-06 22:35:47,233 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-06 22:35:47,234 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-09-06 22:35:47,234 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 22 states, 22 states have (on average 5.2727272727272725) internal successors, (116), 22 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-09-06 22:35:47,234 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2023-09-06 22:35:47,234 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
[2023-09-06 22:35:47,449 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2023-09-06 22:35:47,449 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. 
[2023-09-06 22:35:47,456 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2023-09-06 22:35:47,654 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-09-06 22:35:47,654 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-09-06 22:35:47,655 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-09-06 22:35:47,655 INFO  L85        PathProgramCache]: Analyzing trace with hash 1358851614, now seen corresponding path program 3 times
[2023-09-06 22:35:47,655 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-09-06 22:35:47,655 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603863071]
[2023-09-06 22:35:47,655 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-09-06 22:35:47,656 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-09-06 22:35:47,698 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-09-06 22:35:48,067 INFO  L134       CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-09-06 22:35:48,067 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-09-06 22:35:48,067 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603863071]
[2023-09-06 22:35:48,078 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603863071] provided 0 perfect and 1 imperfect interpolant sequences
[2023-09-06 22:35:48,078 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [614472514]
[2023-09-06 22:35:48,078 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2023-09-06 22:35:48,079 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-09-06 22:35:48,079 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-09-06 22:35:48,080 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-09-06 22:35:48,082 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2023-09-06 22:35:48,166 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s)
[2023-09-06 22:35:48,167 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2023-09-06 22:35:48,168 INFO  L262         TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 22 conjunts are in the unsatisfiable core
[2023-09-06 22:35:48,178 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-09-06 22:35:48,290 INFO  L134       CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-09-06 22:35:48,290 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-09-06 22:35:48,532 INFO  L134       CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-09-06 22:35:48,533 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [614472514] provided 0 perfect and 2 imperfect interpolant sequences
[2023-09-06 22:35:48,535 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-09-06 22:35:48,535 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 27
[2023-09-06 22:35:48,536 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920677555]
[2023-09-06 22:35:48,539 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-09-06 22:35:48,539 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2023-09-06 22:35:48,539 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-09-06 22:35:48,541 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2023-09-06 22:35:48,541 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=507, Unknown=0, NotChecked=0, Total=702
[2023-09-06 22:35:48,541 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-06 22:35:48,541 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-09-06 22:35:48,541 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 5.074074074074074) internal successors, (137), 27 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-09-06 22:35:48,541 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2023-09-06 22:35:48,542 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. 
[2023-09-06 22:35:48,542 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
[2023-09-06 22:35:48,815 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2023-09-06 22:35:48,815 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. 
[2023-09-06 22:35:48,815 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. 
[2023-09-06 22:35:48,831 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2023-09-06 22:35:49,017 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-09-06 22:35:49,017 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-09-06 22:35:49,018 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-09-06 22:35:49,018 INFO  L85        PathProgramCache]: Analyzing trace with hash -528430469, now seen corresponding path program 4 times
[2023-09-06 22:35:49,018 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-09-06 22:35:49,018 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834634283]
[2023-09-06 22:35:49,018 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-09-06 22:35:49,018 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-09-06 22:35:49,057 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-09-06 22:35:49,595 INFO  L134       CoverageAnalysis]: Checked inductivity of 559 backedges. 492 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-09-06 22:35:49,595 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-09-06 22:35:49,595 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834634283]
[2023-09-06 22:35:49,595 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834634283] provided 0 perfect and 1 imperfect interpolant sequences
[2023-09-06 22:35:49,595 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2093065210]
[2023-09-06 22:35:49,595 INFO  L93    rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2023-09-06 22:35:49,595 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-09-06 22:35:49,595 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-09-06 22:35:49,596 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-09-06 22:35:49,598 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2023-09-06 22:35:49,674 INFO  L228   tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2023-09-06 22:35:49,674 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2023-09-06 22:35:49,675 INFO  L262         TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 26 conjunts are in the unsatisfiable core
[2023-09-06 22:35:49,677 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-09-06 22:35:49,796 INFO  L134       CoverageAnalysis]: Checked inductivity of 559 backedges. 559 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-09-06 22:35:49,796 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-09-06 22:35:49,796 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [2093065210] provided 1 perfect and 0 imperfect interpolant sequences
[2023-09-06 22:35:49,796 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-09-06 22:35:49,796 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [27] total 29
[2023-09-06 22:35:49,797 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324416101]
[2023-09-06 22:35:49,797 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-09-06 22:35:49,797 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 27 states
[2023-09-06 22:35:49,797 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-09-06 22:35:49,798 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants.
[2023-09-06 22:35:49,798 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=201, Invalid=611, Unknown=0, NotChecked=0, Total=812
[2023-09-06 22:35:49,798 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-06 22:35:49,798 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-09-06 22:35:49,798 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 27 states, 27 states have (on average 5.2592592592592595) internal successors, (142), 27 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-09-06 22:35:49,798 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2023-09-06 22:35:49,798 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. 
[2023-09-06 22:35:49,798 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. 
[2023-09-06 22:35:49,798 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
[2023-09-06 22:35:50,215 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2023-09-06 22:35:50,215 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. 
[2023-09-06 22:35:50,215 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. 
[2023-09-06 22:35:50,215 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. 
[2023-09-06 22:35:50,222 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0
[2023-09-06 22:35:50,420 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-09-06 22:35:50,420 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-09-06 22:35:50,421 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-09-06 22:35:50,421 INFO  L85        PathProgramCache]: Analyzing trace with hash 446459774, now seen corresponding path program 5 times
[2023-09-06 22:35:50,421 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-09-06 22:35:50,421 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887560358]
[2023-09-06 22:35:50,421 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-09-06 22:35:50,421 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-09-06 22:35:50,471 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-09-06 22:35:52,096 INFO  L134       CoverageAnalysis]: Checked inductivity of 474 backedges. 0 proven. 474 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-09-06 22:35:52,096 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-09-06 22:35:52,096 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887560358]
[2023-09-06 22:35:52,096 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887560358] provided 0 perfect and 1 imperfect interpolant sequences
[2023-09-06 22:35:52,097 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1758897227]
[2023-09-06 22:35:52,097 INFO  L93    rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2023-09-06 22:35:52,097 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-09-06 22:35:52,097 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-09-06 22:35:52,109 INFO  L229       MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-09-06 22:35:52,111 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2023-09-06 22:35:52,196 INFO  L228   tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s)
[2023-09-06 22:35:52,196 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2023-09-06 22:35:52,197 INFO  L262         TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 45 conjunts are in the unsatisfiable core
[2023-09-06 22:35:52,200 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-09-06 22:35:54,708 INFO  L134       CoverageAnalysis]: Checked inductivity of 474 backedges. 335 proven. 139 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-09-06 22:35:54,708 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-09-06 22:35:57,690 INFO  L134       CoverageAnalysis]: Checked inductivity of 474 backedges. 0 proven. 474 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-09-06 22:35:57,690 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1758897227] provided 0 perfect and 2 imperfect interpolant sequences
[2023-09-06 22:35:57,690 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-09-06 22:35:57,690 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 45, 45] total 127
[2023-09-06 22:35:57,690 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923849220]
[2023-09-06 22:35:57,690 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-09-06 22:35:57,691 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 127 states
[2023-09-06 22:35:57,691 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-09-06 22:35:57,692 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 127 interpolants.
[2023-09-06 22:35:57,695 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=962, Invalid=15040, Unknown=0, NotChecked=0, Total=16002
[2023-09-06 22:35:57,695 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-09-06 22:35:57,695 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-09-06 22:35:57,695 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 127 states, 127 states have (on average 2.9606299212598426) internal successors, (376), 127 states have internal predecessors, (376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-09-06 22:35:57,695 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2023-09-06 22:35:57,695 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. 
[2023-09-06 22:35:57,695 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. 
[2023-09-06 22:35:57,695 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. 
[2023-09-06 22:35:57,695 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
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Found a loop, use abstraction hammer
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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
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Found a loop, use abstraction hammer
Received shutdown request...
[2023-09-06 22:50:19,604 WARN  L340       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end
[2023-09-06 22:50:19,604 WARN  L340       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Timeout while monitored process is still running, waiting 1000 ms for graceful end
[2023-09-06 22:50:19,604 WARN  L340       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end
[2023-09-06 22:50:20,310 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0
[2023-09-06 22:50:20,505 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-09-06 22:50:20,506 WARN  L619      AbstractCegarLoop]: Verification canceled: while executing DynamicStratifiedReduction.
[2023-09-06 22:50:20,507 INFO  L805   garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2023-09-06 22:50:20,531 INFO  L445         BasicCegarLoop]: Path program histogram: [5]
[2023-09-06 22:50:20,532 INFO  L307   ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (1/3)
[2023-09-06 22:50:20,533 INFO  L228   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2023-09-06 22:50:20,533 INFO  L178   ceAbstractionStarter]: Computing trace abstraction results
[2023-09-06 22:50:20,535 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.09 10:50:20 BasicIcfg
[2023-09-06 22:50:20,535 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-09-06 22:50:20,536 INFO  L158              Benchmark]: Toolchain (without parser) took 876414.24ms. Allocated memory was 152.0MB in the beginning and 339.7MB in the end (delta: 187.7MB). Free memory was 107.7MB in the beginning and 110.9MB in the end (delta: -3.2MB). Peak memory consumption was 287.7MB. Max. memory is 7.0GB.
[2023-09-06 22:50:20,536 INFO  L158              Benchmark]: CDTParser took 0.10ms. Allocated memory is still 152.0MB. Free memory is still 107.9MB. There was no memory consumed. Max. memory is 7.0GB.
[2023-09-06 22:50:20,536 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 319.34ms. Allocated memory is still 152.0MB. Free memory was 107.7MB in the beginning and 88.2MB in the end (delta: 19.6MB). Peak memory consumption was 19.9MB. Max. memory is 7.0GB.
[2023-09-06 22:50:20,536 INFO  L158              Benchmark]: Boogie Procedure Inliner took 46.98ms. Allocated memory is still 152.0MB. Free memory was 88.2MB in the beginning and 86.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB.
[2023-09-06 22:50:20,536 INFO  L158              Benchmark]: Boogie Preprocessor took 37.12ms. Allocated memory is still 152.0MB. Free memory was 86.1MB in the beginning and 84.7MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 7.0GB.
[2023-09-06 22:50:20,537 INFO  L158              Benchmark]: RCFGBuilder took 290.97ms. Allocated memory is still 152.0MB. Free memory was 84.7MB in the beginning and 70.7MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 7.0GB.
[2023-09-06 22:50:20,537 INFO  L158              Benchmark]: TraceAbstraction took 875715.81ms. Allocated memory was 152.0MB in the beginning and 339.7MB in the end (delta: 187.7MB). Free memory was 70.0MB in the beginning and 110.9MB in the end (delta: -40.9MB). Peak memory consumption was 250.0MB. Max. memory is 7.0GB.
[2023-09-06 22:50:20,538 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 152.0MB. Free memory is still 107.9MB. There was no memory consumed. Max. memory is 7.0GB.
 * CACSL2BoogieTranslator took 319.34ms. Allocated memory is still 152.0MB. Free memory was 107.7MB in the beginning and 88.2MB in the end (delta: 19.6MB). Peak memory consumption was 19.9MB. Max. memory is 7.0GB.
 * Boogie Procedure Inliner took 46.98ms. Allocated memory is still 152.0MB. Free memory was 88.2MB in the beginning and 86.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB.
 * Boogie Preprocessor took 37.12ms. Allocated memory is still 152.0MB. Free memory was 86.1MB in the beginning and 84.7MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 7.0GB.
 * RCFGBuilder took 290.97ms. Allocated memory is still 152.0MB. Free memory was 84.7MB in the beginning and 70.7MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 7.0GB.
 * TraceAbstraction took 875715.81ms. Allocated memory was 152.0MB in the beginning and 339.7MB in the end (delta: 187.7MB). Free memory was 70.0MB in the beginning and 110.9MB in the end (delta: -40.9MB). Peak memory consumption was 250.0MB. Max. memory is 7.0GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
  - GenericResultAtLocation [Line: 229]: Unsoundness Warning
    unspecified type, defaulting to int C: short [229]
  - GenericResultAtLocation [Line: 230]: Unsoundness Warning
    unspecified type, defaulting to int C: short [230]
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: Independence relation #1 benchmarks
    ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 30992, independent: 29119, independent conditional: 29119, independent unconditional: 0, dependent: 1873, dependent conditional: 1873, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 29196, independent: 29119, independent conditional: 29119, independent unconditional: 0, dependent: 77, dependent conditional: 77, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 29196, independent: 29119, independent conditional: 29119, independent unconditional: 0, dependent: 77, dependent conditional: 77, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 29551, independent: 29119, independent conditional: 0, independent unconditional: 29119, dependent: 432, dependent conditional: 355, dependent unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 29551, independent: 29119, independent conditional: 0, independent unconditional: 29119, dependent: 432, dependent conditional: 0, dependent unconditional: 432, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 29551, independent: 29119, independent conditional: 0, independent unconditional: 29119, dependent: 432, dependent conditional: 0, dependent unconditional: 432, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 29196, independent: 29119, independent conditional: 0, independent unconditional: 29119, dependent: 77, dependent conditional: 0, dependent unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 29196, independent: 29119, independent conditional: 0, independent unconditional: 29119, dependent: 77, dependent conditional: 0, dependent unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 77, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 77, dependent conditional: 0, dependent unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 77, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 77, dependent conditional: 0, dependent unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 77, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 77, dependent conditional: 0, dependent unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 87, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 87, dependent conditional: 0, dependent unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 29551, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 355, dependent conditional: 0, dependent unconditional: 355, unknown: 29196, unknown conditional: 0, unknown unconditional: 29196] , Statistics on independence cache: Total cache size (in pairs): 29196, Positive cache size: 29119, Positive conditional cache size: 0, Positive unconditional cache size: 29119, Negative cache size: 77, Negative conditional cache size: 0, Negative unconditional cache size: 77, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 355, Maximal queried relation: 5, Independence queries for same thread: 1796
  - StatisticsResult: Proof manager benchmarks
    IrresponsibleProofs: 12, RedundantProofs: 3, ProvenStates: 1678
  - TimeoutResultAtElement [Line: 681]: Timeout (TraceAbstraction)
    Unable to prove that 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, 109 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 875.6s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 864.3s, 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, 9.3s InterpolantComputationTime, 1070 NumberOfCodeBlocks, 1070 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 1449 ConstructedInterpolants, 0 QuantifiedInterpolants, 7348 SizeOfPredicates, 96 NumberOfNonLiveVariables, 1185 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