/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/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/regression/fork_multiple_times.bpl


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


This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd
[2022-02-09 18:12:39,216 INFO  L177        SettingsManager]: Resetting all preferences to default values...
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[2022-02-09 18:12:39,308 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-02-09 18:12:39,309 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-02-09 18:12:39,311 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
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[2022-02-09 18:12:39,318 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-02-09 18:12:39,319 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2022-02-09 18:12:39,320 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
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[2022-02-09 18:12:39,338 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2022-02-09 18:12:39,339 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2022-02-09 18:12:39,340 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks.epf
[2022-02-09 18:12:39,371 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-02-09 18:12:39,371 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-02-09 18:12:39,372 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-02-09 18:12:39,372 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-02-09 18:12:39,373 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-02-09 18:12:39,373 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-02-09 18:12:39,374 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-02-09 18:12:39,374 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2022-02-09 18:12:39,374 INFO  L138        SettingsManager]:  * Use SBE=true
[2022-02-09 18:12:39,374 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-02-09 18:12:39,375 INFO  L138        SettingsManager]:  * sizeof long=4
[2022-02-09 18:12:39,375 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-02-09 18:12:39,376 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2022-02-09 18:12:39,376 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-02-09 18:12:39,376 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-02-09 18:12:39,376 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-02-09 18:12:39,376 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-02-09 18:12:39,376 INFO  L138        SettingsManager]:  * sizeof long double=12
[2022-02-09 18:12:39,377 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-02-09 18:12:39,377 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2022-02-09 18:12:39,377 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-02-09 18:12:39,377 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-02-09 18:12:39,377 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-02-09 18:12:39,378 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2022-02-09 18:12:39,379 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-02-09 18:12:39,379 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-09 18:12:39,379 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-02-09 18:12:39,379 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-02-09 18:12:39,380 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-02-09 18:12:39,380 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2022-02-09 18:12:39,380 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-02-09 18:12:39,380 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2022-02-09 18:12:39,380 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2022-02-09 18:12:39,381 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-02-09 18:12:39,381 INFO  L138        SettingsManager]:  * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS
[2022-02-09 18:12:39,381 INFO  L138        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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2022-02-09 18:12:39,642 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-02-09 18:12:39,677 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-02-09 18:12:39,679 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-02-09 18:12:39,680 INFO  L271        PluginConnector]: Initializing Boogie PL CUP Parser...
[2022-02-09 18:12:39,681 INFO  L275        PluginConnector]: Boogie PL CUP Parser initialized
[2022-02-09 18:12:39,682 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/fork_multiple_times.bpl
[2022-02-09 18:12:39,683 INFO  L110           BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/regression/fork_multiple_times.bpl'
[2022-02-09 18:12:39,700 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-02-09 18:12:39,701 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2022-02-09 18:12:39,702 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-02-09 18:12:39,702 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-02-09 18:12:39,702 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2022-02-09 18:12:39,712 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 06:12:39" (1/1) ...
[2022-02-09 18:12:39,718 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 06:12:39" (1/1) ...
[2022-02-09 18:12:39,724 INFO  L137                Inliner]: procedures = 2, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0
[2022-02-09 18:12:39,725 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-02-09 18:12:39,726 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-02-09 18:12:39,727 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-02-09 18:12:39,727 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-02-09 18:12:39,733 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 06:12:39" (1/1) ...
[2022-02-09 18:12:39,733 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 06:12:39" (1/1) ...
[2022-02-09 18:12:39,734 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 06:12:39" (1/1) ...
[2022-02-09 18:12:39,734 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 06:12:39" (1/1) ...
[2022-02-09 18:12:39,736 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 06:12:39" (1/1) ...
[2022-02-09 18:12:39,736 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 06:12:39" (1/1) ...
[2022-02-09 18:12:39,737 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 06:12:39" (1/1) ...
[2022-02-09 18:12:39,738 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-02-09 18:12:39,738 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-02-09 18:12:39,739 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-02-09 18:12:39,739 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-02-09 18:12:39,740 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 06:12:39" (1/1) ...
[2022-02-09 18:12:39,746 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-09 18:12:39,753 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 18:12:39,765 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)
[2022-02-09 18:12:39,801 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
[2022-02-09 18:12:39,815 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure foo given in one single declaration
[2022-02-09 18:12:39,815 INFO  L130     BoogieDeclarations]: Found specification of procedure foo
[2022-02-09 18:12:39,815 INFO  L138     BoogieDeclarations]: Found implementation of procedure foo
[2022-02-09 18:12:39,815 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-02-09 18:12:39,815 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-02-09 18:12:39,817 WARN  L208             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-02-09 18:12:39,859 INFO  L234             CfgBuilder]: Building ICFG
[2022-02-09 18:12:39,861 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-02-09 18:12:39,924 INFO  L275             CfgBuilder]: Performing block encoding
[2022-02-09 18:12:39,930 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-02-09 18:12:39,930 INFO  L299             CfgBuilder]: Removed 0 assume(true) statements.
[2022-02-09 18:12:39,931 INFO  L202        PluginConnector]: Adding new model fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 06:12:39 BoogieIcfgContainer
[2022-02-09 18:12:39,932 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-02-09 18:12:39,933 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-02-09 18:12:39,933 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-02-09 18:12:39,936 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-02-09 18:12:39,936 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 09.02 06:12:39" (1/2) ...
[2022-02-09 18:12:39,937 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1977aa8 and model type fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 06:12:39, skipping insertion in model container
[2022-02-09 18:12:39,937 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 06:12:39" (2/2) ...
[2022-02-09 18:12:39,939 INFO  L111   eAbstractionObserver]: Analyzing ICFG fork_multiple_times.bpl
[2022-02-09 18:12:39,943 WARN  L150   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-02-09 18:12:39,944 INFO  L205   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-02-09 18:12:39,944 INFO  L164   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-02-09 18:12:39,944 INFO  L534   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-02-09 18:12:39,964 WARN  L322   ript$VariableManager]: TermVariabe fooThread1of1ForFork1_y not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 18:12:39,965 WARN  L322   ript$VariableManager]: TermVariabe fooThread1of1ForFork1_y not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 18:12:39,965 WARN  L322   ript$VariableManager]: TermVariabe fooThread1of1ForFork0_y not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 18:12:39,965 WARN  L322   ript$VariableManager]: TermVariabe fooThread1of1ForFork0_y not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 18:12:39,966 WARN  L322   ript$VariableManager]: TermVariabe fooThread1of1ForFork2_y not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 18:12:39,966 WARN  L322   ript$VariableManager]: TermVariabe fooThread1of1ForFork2_y not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 18:12:39,969 WARN  L322   ript$VariableManager]: TermVariabe fooThread1of1ForFork0_y not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 18:12:39,972 WARN  L322   ript$VariableManager]: TermVariabe fooThread1of1ForFork1_y not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 18:12:39,973 WARN  L322   ript$VariableManager]: TermVariabe fooThread1of1ForFork2_y not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-09 18:12:39,976 INFO  L148    ThreadInstanceAdder]: Constructed 6 joinOtherThreadTransitions.
[2022-02-09 18:12:40,016 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2022-02-09 18:12:40,016 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-09 18:12:40,031 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)
[2022-02-09 18:12:40,032 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
[2022-02-09 18:12:40,061 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-02-09 18:12:40,075 INFO  L339      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, mLazyFiniteAutomaton=false, 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, mLoopAccelerationTechnique=FAST_UPR
[2022-02-09 18:12:40,076 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2022-02-09 18:12:40,088 INFO  L111   iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 29 places, 22 transitions, 77 flow
[2022-02-09 18:12:40,119 INFO  L133   iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result  has 41 states, 40 states have (on average 2.05) internal successors, (82), 40 states have internal predecessors, (82), 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)
[2022-02-09 18:12:40,181 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 82 transitions and produced 41 states.
[2022-02-09 18:12:40,184 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining)
[2022-02-09 18:12:40,185 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining)
[2022-02-09 18:12:40,185 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining)
[2022-02-09 18:12:40,185 INFO  L764   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining)
[2022-02-09 18:12:40,195 INFO  L732         BasicCegarLoop]: Path program histogram: []
[2022-02-09 18:12:40,198 INFO  L230   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2022-02-09 18:12:40,199 INFO  L180   ceAbstractionStarter]: Computing trace abstraction results
[2022-02-09 18:12:40,201 INFO  L202        PluginConnector]: Adding new model fork_multiple_times.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.02 06:12:40 BasicIcfg
[2022-02-09 18:12:40,201 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-02-09 18:12:40,203 INFO  L158              Benchmark]: Toolchain (without parser) took 500.82ms. Allocated memory is still 191.9MB. Free memory was 149.5MB in the beginning and 162.1MB in the end (delta: -12.7MB). Peak memory consumption was 26.1MB. Max. memory is 8.0GB.
[2022-02-09 18:12:40,204 INFO  L158              Benchmark]: Boogie PL CUP Parser took 0.14ms. Allocated memory is still 191.9MB. Free memory is still 150.4MB. There was no memory consumed. Max. memory is 8.0GB.
[2022-02-09 18:12:40,205 INFO  L158              Benchmark]: Boogie Procedure Inliner took 23.61ms. Allocated memory is still 191.9MB. Free memory was 149.3MB in the beginning and 147.9MB in the end (delta: 1.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB.
[2022-02-09 18:12:40,209 INFO  L158              Benchmark]: Boogie Preprocessor took 11.27ms. Allocated memory is still 191.9MB. Free memory was 147.9MB in the beginning and 147.0MB in the end (delta: 917.8kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
[2022-02-09 18:12:40,210 INFO  L158              Benchmark]: RCFGBuilder took 193.28ms. Allocated memory is still 191.9MB. Free memory was 147.0MB in the beginning and 139.5MB in the end (delta: 7.4MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB.
[2022-02-09 18:12:40,210 INFO  L158              Benchmark]: TraceAbstraction took 268.19ms. Allocated memory is still 191.9MB. Free memory was 139.0MB in the beginning and 162.2MB in the end (delta: -23.2MB). Peak memory consumption was 14.6MB. Max. memory is 8.0GB.
[2022-02-09 18:12:40,215 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 191.9MB. Free memory is still 150.4MB. There was no memory consumed. Max. memory is 8.0GB.
 * Boogie Procedure Inliner took 23.61ms. Allocated memory is still 191.9MB. Free memory was 149.3MB in the beginning and 147.9MB in the end (delta: 1.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB.
 * Boogie Preprocessor took 11.27ms. Allocated memory is still 191.9MB. Free memory was 147.9MB in the beginning and 147.0MB in the end (delta: 917.8kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
 * RCFGBuilder took 193.28ms. Allocated memory is still 191.9MB. Free memory was 147.0MB in the beginning and 139.5MB in the end (delta: 7.4MB). Peak memory consumption was 7.3MB. Max. memory is 8.0GB.
 * TraceAbstraction took 268.19ms. Allocated memory is still 191.9MB. Free memory was 139.0MB in the beginning and 162.2MB in the end (delta: -23.2MB). Peak memory consumption was 14.6MB. Max. memory is 8.0GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: Independence relation benchmarks
    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: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.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] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.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] , SemanticConditionEliminator.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: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ 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] , SemanticIndependenceRelation.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] , SemanticIndependenceRelation.Query Time [ms]: [ 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, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0
  - StatisticsResult: ErrorAutomatonStatistics
    NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
  - PositiveResult [Line: 27]: assertion always holds
    For all program executions holds that assertion always holds at this location
  - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
    CFG has 5 procedures, 26 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available
  - AllSpecificationsHoldResult: All specifications hold
    1 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2022-02-09 18:12:40,257 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0
[2022-02-09 18:12:40,480 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...