/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf -tc ../../../trunk/examples/toolchains/AutomizerBpl.xml -i ../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/queue_ok_longer.line304.bpl


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


This is Ultimate 0.2.2-wip.dk.por-optimizations-5c708e3-m
[2022-10-04 00:53:07,837 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2022-10-04 00:53:07,839 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2022-10-04 00:53:07,873 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-10-04 00:53:07,874 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-10-04 00:53:07,876 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-10-04 00:53:07,878 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-10-04 00:53:07,880 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2022-10-04 00:53:07,882 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-10-04 00:53:07,885 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-10-04 00:53:07,886 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2022-10-04 00:53:07,887 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-10-04 00:53:07,887 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-10-04 00:53:07,890 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-10-04 00:53:07,891 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-10-04 00:53:07,893 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-10-04 00:53:07,894 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-10-04 00:53:07,894 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-10-04 00:53:07,896 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-10-04 00:53:07,900 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2022-10-04 00:53:07,901 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-10-04 00:53:07,902 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-10-04 00:53:07,903 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2022-10-04 00:53:07,904 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-10-04 00:53:07,909 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-10-04 00:53:07,909 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-10-04 00:53:07,910 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-10-04 00:53:07,911 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-10-04 00:53:07,911 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-10-04 00:53:07,912 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-10-04 00:53:07,912 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-10-04 00:53:07,912 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-10-04 00:53:07,914 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-10-04 00:53:07,914 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2022-10-04 00:53:07,915 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-10-04 00:53:07,915 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2022-10-04 00:53:07,916 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-10-04 00:53:07,916 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-10-04 00:53:07,916 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2022-10-04 00:53:07,916 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2022-10-04 00:53:07,917 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2022-10-04 00:53:07,918 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep-VarAbsGlobalSyntactic.epf
[2022-10-04 00:53:07,940 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-10-04 00:53:07,941 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-10-04 00:53:07,941 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-10-04 00:53:07,941 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-10-04 00:53:07,942 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-10-04 00:53:07,942 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-10-04 00:53:07,942 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-10-04 00:53:07,942 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2022-10-04 00:53:07,942 INFO  L138        SettingsManager]:  * Use SBE=true
[2022-10-04 00:53:07,943 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-10-04 00:53:07,943 INFO  L138        SettingsManager]:  * sizeof long=4
[2022-10-04 00:53:07,943 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-10-04 00:53:07,943 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2022-10-04 00:53:07,943 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-10-04 00:53:07,943 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-10-04 00:53:07,944 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-10-04 00:53:07,944 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-10-04 00:53:07,944 INFO  L138        SettingsManager]:  * sizeof long double=12
[2022-10-04 00:53:07,944 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-10-04 00:53:07,944 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2022-10-04 00:53:07,944 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-10-04 00:53:07,944 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-10-04 00:53:07,944 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-10-04 00:53:07,945 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2022-10-04 00:53:07,945 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-10-04 00:53:07,945 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-10-04 00:53:07,946 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-10-04 00:53:07,946 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-10-04 00:53:07,946 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-10-04 00:53:07,946 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2022-10-04 00:53:07,946 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-10-04 00:53:07,946 INFO  L138        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2022-10-04 00:53:07,946 INFO  L138        SettingsManager]:  * Abstraction used for commutativity in POR=VARIABLES_GLOBAL
[2022-10-04 00:53:07,946 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2022-10-04 00:53:07,946 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-10-04 00:53:07,946 INFO  L138        SettingsManager]:  * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION
[2022-10-04 00:53:07,946 INFO  L138        SettingsManager]:  * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES
[2022-10-04 00:53:07,947 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2022-10-04 00:53:07,947 INFO  L138        SettingsManager]:  * Independence relation used for POR in concurrent analysis=SYNTACTIC
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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2022-10-04 00:53:08,132 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-10-04 00:53:08,148 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-10-04 00:53:08,149 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-10-04 00:53:08,150 INFO  L271        PluginConnector]: Initializing Boogie PL CUP Parser...
[2022-10-04 00:53:08,153 INFO  L275        PluginConnector]: Boogie PL CUP Parser initialized
[2022-10-04 00:53:08,154 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/queue_ok_longer.line304.bpl
[2022-10-04 00:53:08,155 INFO  L110           BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/boogie-benchmarks-from-svcomp-memsafety-concurrent/queue_ok_longer.line304.bpl'
[2022-10-04 00:53:08,204 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-10-04 00:53:08,206 INFO  L131        ToolchainWalker]: Walking toolchain with 3 elements.
[2022-10-04 00:53:08,207 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-10-04 00:53:08,207 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-10-04 00:53:08,207 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-10-04 00:53:08,217 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "queue_ok_longer.line304.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:53:08" (1/1) ...
[2022-10-04 00:53:08,218 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "queue_ok_longer.line304.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:53:08" (1/1) ...
[2022-10-04 00:53:08,245 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "queue_ok_longer.line304.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:53:08" (1/1) ...
[2022-10-04 00:53:08,245 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "queue_ok_longer.line304.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:53:08" (1/1) ...
[2022-10-04 00:53:08,276 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "queue_ok_longer.line304.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:53:08" (1/1) ...
[2022-10-04 00:53:08,281 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "queue_ok_longer.line304.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:53:08" (1/1) ...
[2022-10-04 00:53:08,284 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "queue_ok_longer.line304.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:53:08" (1/1) ...
[2022-10-04 00:53:08,289 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-10-04 00:53:08,293 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-10-04 00:53:08,293 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-10-04 00:53:08,293 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-10-04 00:53:08,294 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "queue_ok_longer.line304.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:53:08" (1/1) ...
[2022-10-04 00:53:08,303 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-10-04 00:53:08,308 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-10-04 00:53:08,319 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)
[2022-10-04 00:53:08,325 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
[2022-10-04 00:53:08,361 INFO  L130     BoogieDeclarations]: Found specification of procedure t1
[2022-10-04 00:53:08,361 INFO  L138     BoogieDeclarations]: Found implementation of procedure t1
[2022-10-04 00:53:08,362 INFO  L130     BoogieDeclarations]: Found specification of procedure t2
[2022-10-04 00:53:08,362 INFO  L138     BoogieDeclarations]: Found implementation of procedure t2
[2022-10-04 00:53:08,362 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-10-04 00:53:08,362 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-10-04 00:53:08,363 WARN  L208             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-10-04 00:53:08,504 INFO  L234             CfgBuilder]: Building ICFG
[2022-10-04 00:53:08,505 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-10-04 00:53:08,892 INFO  L275             CfgBuilder]: Performing block encoding
[2022-10-04 00:53:08,907 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-10-04 00:53:08,907 INFO  L299             CfgBuilder]: Removed 2 assume(true) statements.
[2022-10-04 00:53:08,909 INFO  L202        PluginConnector]: Adding new model queue_ok_longer.line304.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 12:53:08 BoogieIcfgContainer
[2022-10-04 00:53:08,909 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-10-04 00:53:08,911 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-10-04 00:53:08,911 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-10-04 00:53:08,930 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-10-04 00:53:08,931 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "queue_ok_longer.line304.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.10 12:53:08" (1/2) ...
[2022-10-04 00:53:08,931 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29f97b9d and model type queue_ok_longer.line304.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.10 12:53:08, skipping insertion in model container
[2022-10-04 00:53:08,932 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "queue_ok_longer.line304.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 12:53:08" (2/2) ...
[2022-10-04 00:53:08,937 INFO  L112   eAbstractionObserver]: Analyzing ICFG queue_ok_longer.line304.bpl
[2022-10-04 00:53:08,944 WARN  L145   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-10-04 00:53:08,951 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-10-04 00:53:08,951 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-10-04 00:53:08,951 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-10-04 00:53:09,126 INFO  L144    ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2022-10-04 00:53:09,179 INFO  L100   denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2022-10-04 00:53:09,180 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2022-10-04 00:53:09,183 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-10-04 00:53:09,185 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)
[2022-10-04 00:53:09,186 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
[2022-10-04 00:53:09,228 INFO  L158   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2022-10-04 00:53:09,247 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ========
[2022-10-04 00:53:09,252 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;@57dcfe14, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-10-04 00:53:09,252 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-10-04 00:53:09,332 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining)
[2022-10-04 00:53:09,335 INFO  L444         BasicCegarLoop]: Path program histogram: []
[2022-10-04 00:53:09,337 INFO  L307   ceAbstractionStarter]: Result for error location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (1/4)
[2022-10-04 00:53:09,344 INFO  L100   denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2022-10-04 00:53:09,344 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2022-10-04 00:53:09,346 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-10-04 00:53:09,347 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2022-10-04 00:53:09,348 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process
[2022-10-04 00:53:09,353 INFO  L158   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2022-10-04 00:53:09,353 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ========
[2022-10-04 00:53:09,354 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;@57dcfe14, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-10-04 00:53:09,354 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-10-04 00:53:09,586 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining)
[2022-10-04 00:53:09,587 INFO  L444         BasicCegarLoop]: Path program histogram: []
[2022-10-04 00:53:09,587 INFO  L307   ceAbstractionStarter]: Result for error location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was SAFE (2/4)
[2022-10-04 00:53:09,592 INFO  L100   denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2022-10-04 00:53:09,592 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2022-10-04 00:53:09,592 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-10-04 00:53:09,624 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2022-10-04 00:53:09,625 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process
[2022-10-04 00:53:09,628 INFO  L158   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2022-10-04 00:53:09,629 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t1Err0ASSERT_VIOLATIONASSERT ========
[2022-10-04 00:53:09,629 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;@57dcfe14, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-10-04 00:53:09,629 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-10-04 00:53:09,630 WARN  L124    DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly.
[2022-10-04 00:53:09,630 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location t1Err0ASSERT_VIOLATIONASSERT (0 of 1 remaining)
[2022-10-04 00:53:09,630 INFO  L444         BasicCegarLoop]: Path program histogram: []
[2022-10-04 00:53:09,630 INFO  L307   ceAbstractionStarter]: Result for error location t1Err0ASSERT_VIOLATIONASSERT was SAFE (3/4)
[2022-10-04 00:53:09,634 INFO  L100   denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2022-10-04 00:53:09,634 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2022-10-04 00:53:09,635 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-10-04 00:53:09,636 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2022-10-04 00:53:09,642 INFO  L158   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2022-10-04 00:53:09,643 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t1Err0ASSERT_VIOLATIONASSERT ========
[2022-10-04 00:53:09,643 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;@57dcfe14, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-10-04 00:53:09,643 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2022-10-04 00:53:09,649 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Waiting until timeout for monitored process
[2022-10-04 00:53:09,724 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting t1Err0ASSERT_VIOLATIONASSERT === [t1Err0ASSERT_VIOLATIONASSERT] ===
[2022-10-04 00:53:09,728 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-04 00:53:09,729 INFO  L85        PathProgramCache]: Analyzing trace with hash 229159546, now seen corresponding path program 1 times
[2022-10-04 00:53:09,735 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-10-04 00:53:09,735 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791491010]
[2022-10-04 00:53:09,736 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-04 00:53:09,736 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-04 00:53:09,931 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-04 00:53:10,040 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-04 00:53:10,040 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-10-04 00:53:10,040 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791491010]
[2022-10-04 00:53:10,041 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791491010] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-04 00:53:10,041 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-04 00:53:10,041 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-10-04 00:53:10,053 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523412441]
[2022-10-04 00:53:10,053 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-04 00:53:10,059 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2022-10-04 00:53:10,060 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-10-04 00:53:10,079 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2022-10-04 00:53:10,081 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-10-04 00:53:10,082 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-04 00:53:10,083 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-04 00:53:10,084 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 113.0) internal successors, (226), 2 states have internal predecessors, (226), 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)
[2022-10-04 00:53:10,084 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-04 00:53:10,105 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-04 00:53:10,106 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-10-04 00:53:10,106 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting t1Err0ASSERT_VIOLATIONASSERT === [t1Err0ASSERT_VIOLATIONASSERT] ===
[2022-10-04 00:53:10,106 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-10-04 00:53:10,106 INFO  L85        PathProgramCache]: Analyzing trace with hash 262975942, now seen corresponding path program 1 times
[2022-10-04 00:53:10,107 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-10-04 00:53:10,110 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384928945]
[2022-10-04 00:53:10,110 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-10-04 00:53:10,111 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-10-04 00:53:10,201 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-10-04 00:53:10,413 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-10-04 00:53:10,413 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-10-04 00:53:10,414 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384928945]
[2022-10-04 00:53:10,414 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384928945] provided 1 perfect and 0 imperfect interpolant sequences
[2022-10-04 00:53:10,414 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-10-04 00:53:10,414 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2022-10-04 00:53:10,415 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000321112]
[2022-10-04 00:53:10,415 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-10-04 00:53:10,416 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2022-10-04 00:53:10,416 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-10-04 00:53:10,417 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2022-10-04 00:53:10,417 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90
[2022-10-04 00:53:10,418 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-04 00:53:10,418 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-10-04 00:53:10,418 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 10 states, 9 states have (on average 24.88888888888889) internal successors, (224), 10 states have internal predecessors, (224), 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)
[2022-10-04 00:53:10,419 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-04 00:53:10,419 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-10-04 00:53:21,096 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-10-04 00:53:21,096 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2022-10-04 00:53:21,097 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location t1Err0ASSERT_VIOLATIONASSERT (0 of 1 remaining)
[2022-10-04 00:53:21,097 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-10-04 00:53:21,100 INFO  L444         BasicCegarLoop]: Path program histogram: [1, 1]
[2022-10-04 00:53:21,101 INFO  L307   ceAbstractionStarter]: Result for error location t1Err0ASSERT_VIOLATIONASSERT was SAFE (4/4)
[2022-10-04 00:53:21,103 INFO  L228   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2022-10-04 00:53:21,104 INFO  L178   ceAbstractionStarter]: Computing trace abstraction results
[2022-10-04 00:53:21,119 INFO  L202        PluginConnector]: Adding new model queue_ok_longer.line304.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.10 12:53:21 BasicIcfg
[2022-10-04 00:53:21,119 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-10-04 00:53:21,119 INFO  L158              Benchmark]: Toolchain (without parser) took 12913.81ms. Allocated memory was 219.2MB in the beginning and 6.4GB in the end (delta: 6.2GB). Free memory was 167.4MB in the beginning and 5.9GB in the end (delta: -5.8GB). Peak memory consumption was 1.3GB. Max. memory is 8.0GB.
[2022-10-04 00:53:21,120 INFO  L158              Benchmark]: Boogie PL CUP Parser took 0.14ms. Allocated memory is still 219.2MB. Free memory is still 170.9MB. There was no memory consumed. Max. memory is 8.0GB.
[2022-10-04 00:53:21,120 INFO  L158              Benchmark]: Boogie Preprocessor took 82.56ms. Allocated memory is still 219.2MB. Free memory was 167.4MB in the beginning and 164.0MB in the end (delta: 3.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB.
[2022-10-04 00:53:21,120 INFO  L158              Benchmark]: RCFGBuilder took 616.25ms. Allocated memory is still 219.2MB. Free memory was 163.9MB in the beginning and 161.9MB in the end (delta: 2.0MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB.
[2022-10-04 00:53:21,120 INFO  L158              Benchmark]: TraceAbstraction took 12208.24ms. Allocated memory was 219.2MB in the beginning and 6.4GB in the end (delta: 6.2GB). Free memory was 161.1MB in the beginning and 5.9GB in the end (delta: -5.8GB). Peak memory consumption was 1.3GB. Max. memory is 8.0GB.
[2022-10-04 00:53:21,121 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * Boogie PL CUP Parser took 0.14ms. Allocated memory is still 219.2MB. Free memory is still 170.9MB. There was no memory consumed. Max. memory is 8.0GB.
 * Boogie Preprocessor took 82.56ms. Allocated memory is still 219.2MB. Free memory was 167.4MB in the beginning and 164.0MB in the end (delta: 3.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB.
 * RCFGBuilder took 616.25ms. Allocated memory is still 219.2MB. Free memory was 163.9MB in the beginning and 161.9MB in the end (delta: 2.0MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB.
 * TraceAbstraction took 12208.24ms. Allocated memory was 219.2MB in the beginning and 6.4GB in the end (delta: 6.2GB). Free memory was 161.1MB in the beginning and 5.9GB in the end (delta: -5.8GB). Peak memory consumption was 1.3GB. Max. memory is 8.0GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: Independence relation #1 benchmarks
    IndependenceRelationWithAbstraction.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 2, Statistics for Abstraction: 
  - StatisticsResult: Independence relation #1 benchmarks
    IndependenceRelationWithAbstraction.Independence Queries: [ total: 1768, positive: 1674, positive conditional: 1674, positive unconditional: 0, negative: 94, negative conditional: 94, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1768, positive: 1674, positive conditional: 1674, positive unconditional: 0, negative: 94, negative conditional: 94, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1688, positive: 1674, positive conditional: 0, positive unconditional: 1674, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1651, positive: 1637, positive conditional: 0, positive unconditional: 1637, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1688, positive: 37, positive conditional: 0, positive unconditional: 37, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1651, unknown conditional: 0, unknown unconditional: 1651] , Statistics on independence cache: Total cache size (in pairs): 1651, Positive cache size: 1637, Positive conditional cache size: 0, Positive unconditional cache size: 1637, Negative cache size: 14, Negative conditional cache size: 0, Negative unconditional cache size: 14, Independence queries for same thread: 80, Statistics for Abstraction: 
  - StatisticsResult: Independence relation #1 benchmarks
    IndependenceRelationWithAbstraction.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 0, Statistics for Abstraction: 
  - StatisticsResult: Independence relation #1 benchmarks
    IndependenceRelationWithAbstraction.Independence Queries: [ total: 52, positive: 47, positive conditional: 47, positive unconditional: 0, negative: 5, negative conditional: 5, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 554491, positive: 540570, positive conditional: 540570, positive unconditional: 0, negative: 13921, negative conditional: 13921, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 542297, positive: 540570, positive conditional: 0, positive unconditional: 540570, negative: 1727, negative conditional: 0, negative unconditional: 1727, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 24727, positive: 24618, positive conditional: 0, positive unconditional: 24618, negative: 109, negative conditional: 0, negative unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 542297, positive: 515952, positive conditional: 0, positive unconditional: 515952, negative: 1618, negative conditional: 0, negative unconditional: 1618, unknown: 24727, unknown conditional: 0, unknown unconditional: 24727] , Statistics on independence cache: Total cache size (in pairs): 47, Positive cache size: 47, Positive conditional cache size: 0, Positive unconditional cache size: 47, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 5, Statistics for Abstraction: 
  - StatisticsResult: Independence relation #2 benchmarks
    IndependenceRelationWithAbstraction.Independence Queries: [ total: 50, positive: 47, positive conditional: 47, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 554491, positive: 540570, positive conditional: 540570, positive unconditional: 0, negative: 13921, negative conditional: 13921, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 542297, positive: 540570, positive conditional: 0, positive unconditional: 540570, negative: 1727, negative conditional: 0, negative unconditional: 1727, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 24727, positive: 24618, positive conditional: 0, positive unconditional: 24618, negative: 109, negative conditional: 0, negative unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 542297, positive: 515952, positive conditional: 0, positive unconditional: 515952, negative: 1618, negative conditional: 0, negative unconditional: 1618, unknown: 24727, unknown conditional: 0, unknown unconditional: 24727] , Statistics on independence cache: Total cache size (in pairs): 47, Positive cache size: 47, Positive conditional cache size: 0, Positive unconditional cache size: 47, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Independence queries for same thread: 8, Statistics for Abstraction: 
  - StatisticsResult: Independence relation #3 benchmarks
    IndependenceRelationWithAbstraction.Independence Queries: [ total: 554389, positive: 540476, positive conditional: 540476, positive unconditional: 0, negative: 13913, negative conditional: 13913, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 554491, positive: 540570, positive conditional: 540570, positive unconditional: 0, negative: 13921, negative conditional: 13921, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 542297, positive: 540570, positive conditional: 0, positive unconditional: 540570, negative: 1727, negative conditional: 0, negative unconditional: 1727, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 24727, positive: 24618, positive conditional: 0, positive unconditional: 24618, negative: 109, negative conditional: 0, negative unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 542297, positive: 515952, positive conditional: 0, positive unconditional: 515952, negative: 1618, negative conditional: 0, negative unconditional: 1618, unknown: 24727, unknown conditional: 0, unknown unconditional: 24727] , Statistics on independence cache: Total cache size (in pairs): 24727, Positive cache size: 24618, Positive conditional cache size: 0, Positive unconditional cache size: 24618, Negative cache size: 109, Negative conditional cache size: 0, Negative unconditional cache size: 109, Independence queries for same thread: 12194, Statistics for Abstraction: 
  - PositiveResult [Line: 304]: assertion always holds
    For all program executions holds that assertion always holds at this location
  - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency: ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES with 1 thread instances
    CFG has 5 procedures, 810 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available
  - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency: ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES with 1 thread instances
    CFG has 5 procedures, 810 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.2s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available
  - StatisticsResult: Ultimate Automizer benchmark data for error location: t1Err0ASSERT_VIOLATIONASSERT with 1 thread instances
    CFG has 5 procedures, 810 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available
  - StatisticsResult: Ultimate Automizer benchmark data for error location: t1Err0ASSERT_VIOLATIONASSERT with 2 thread instances
    CFG has 5 procedures, 810 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 11.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 10.8s, 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: 13, 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 450 NumberOfCodeBlocks, 450 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 448 ConstructedInterpolants, 0 QuantifiedInterpolants, 912 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 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
  - AllSpecificationsHoldResult: All specifications hold
    1 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2022-10-04 00:53:21,172 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Ended with exit code 0
[2022-10-04 00:53:21,370 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Forceful destruction successful, exit code 0
[2022-10-04 00:53:21,574 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Ended with exit code 0
[2022-10-04 00:53:21,773 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0
[2022-10-04 00:53:21,975 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...