/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-POR-NewStatesSleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/test/easy11.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-?-bc289cb [2022-01-28 21:46:51,850 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-28 21:46:51,851 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-28 21:46:51,912 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-01-28 21:46:51,949 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-28 21:46:51,950 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-28 21:46:51,950 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-28 21:46:51,955 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-POR-NewStatesSleep-NoLbe.epf [2022-01-28 21:46:51,976 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-28 21:46:51,977 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-28 21:46:51,977 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-28 21:46:51,977 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-28 21:46:51,977 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-28 21:46:51,978 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-28 21:46:51,978 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-28 21:46:51,978 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-28 21:46:51,978 INFO L138 SettingsManager]: * Use SBE=true [2022-01-28 21:46:51,978 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-28 21:46:51,979 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-28 21:46:51,979 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-28 21:46:51,979 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-28 21:46:51,979 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-28 21:46:51,979 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-28 21:46:51,979 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-28 21:46:51,980 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-28 21:46:51,980 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-28 21:46:51,980 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-28 21:46:51,980 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-28 21:46:51,980 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-28 21:46:51,980 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-28 21:46:51,980 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-28 21:46:51,980 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-28 21:46:51,982 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-28 21:46:51,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-28 21:46:51,982 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-28 21:46:51,982 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-28 21:46:51,982 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-28 21:46:51,982 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-28 21:46:51,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-28 21:46:51,982 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-28 21:46:51,983 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-01-28 21:46:51,983 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-28 21:46:51,983 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-01-28 21:46:51,983 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-28 21:46:52,166 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-28 21:46:52,189 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-28 21:46:52,191 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-28 21:46:52,191 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-01-28 21:46:52,194 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-01-28 21:46:52,195 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/test/easy11.wvr.bpl [2022-01-28 21:46:52,195 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/test/easy11.wvr.bpl' [2022-01-28 21:46:52,215 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-28 21:46:52,216 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-01-28 21:46:52,217 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-28 21:46:52,217 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-28 21:46:52,217 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-28 21:46:52,225 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "easy11.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.01 09:46:52" (1/1) ... [2022-01-28 21:46:52,230 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "easy11.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.01 09:46:52" (1/1) ... [2022-01-28 21:46:52,235 INFO L137 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-01-28 21:46:52,236 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-28 21:46:52,237 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-28 21:46:52,237 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-28 21:46:52,237 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-28 21:46:52,242 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "easy11.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.01 09:46:52" (1/1) ... [2022-01-28 21:46:52,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "easy11.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.01 09:46:52" (1/1) ... [2022-01-28 21:46:52,242 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "easy11.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.01 09:46:52" (1/1) ... [2022-01-28 21:46:52,243 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "easy11.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.01 09:46:52" (1/1) ... [2022-01-28 21:46:52,244 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "easy11.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.01 09:46:52" (1/1) ... [2022-01-28 21:46:52,246 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "easy11.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.01 09:46:52" (1/1) ... [2022-01-28 21:46:52,246 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "easy11.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.01 09:46:52" (1/1) ... [2022-01-28 21:46:52,247 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-28 21:46:52,247 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-28 21:46:52,247 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-28 21:46:52,247 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-28 21:46:52,248 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "easy11.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.01 09:46:52" (1/1) ... [2022-01-28 21:46:52,253 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-28 21:46:52,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 21:46:52,269 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) [2022-01-28 21:46:52,283 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 [2022-01-28 21:46:52,296 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2022-01-28 21:46:52,296 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-01-28 21:46:52,296 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-01-28 21:46:52,296 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2022-01-28 21:46:52,297 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-01-28 21:46:52,297 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-01-28 21:46:52,297 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-01-28 21:46:52,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-28 21:46:52,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-28 21:46:52,297 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-28 21:46:52,327 INFO L234 CfgBuilder]: Building ICFG [2022-01-28 21:46:52,328 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-28 21:46:52,387 INFO L275 CfgBuilder]: Performing block encoding [2022-01-28 21:46:52,391 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-28 21:46:52,391 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-28 21:46:52,392 INFO L202 PluginConnector]: Adding new model easy11.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 09:46:52 BoogieIcfgContainer [2022-01-28 21:46:52,392 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-28 21:46:52,393 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-28 21:46:52,394 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-28 21:46:52,396 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-28 21:46:52,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "easy11.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.01 09:46:52" (1/2) ... [2022-01-28 21:46:52,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cd412e7 and model type easy11.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 09:46:52, skipping insertion in model container [2022-01-28 21:46:52,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "easy11.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 09:46:52" (2/2) ... [2022-01-28 21:46:52,397 INFO L111 eAbstractionObserver]: Analyzing ICFG easy11.wvr.bpl [2022-01-28 21:46:52,400 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-28 21:46:52,400 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-28 21:46:52,401 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-28 21:46:52,401 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-28 21:46:52,413 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 21:46:52,414 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 21:46:52,414 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 21:46:52,414 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 21:46:52,414 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 21:46:52,414 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 21:46:52,414 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 21:46:52,414 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 21:46:52,415 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 21:46:52,415 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 21:46:52,415 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 21:46:52,415 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 21:46:52,415 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 21:46:52,415 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 21:46:52,416 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 21:46:52,416 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 21:46:52,416 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 21:46:52,416 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 21:46:52,416 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 21:46:52,416 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 21:46:52,416 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 21:46:52,417 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 21:46:52,417 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 21:46:52,417 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 21:46:52,419 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 21:46:52,420 WARN L322 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_x not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 21:46:52,422 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-01-28 21:46:52,465 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-01-28 21:46:52,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 21:46:52,488 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) [2022-01-28 21:46:52,541 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 [2022-01-28 21:46:52,553 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-28 21:46:52,558 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, 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 [2022-01-28 21:46:52,558 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-01-28 21:46:52,616 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 21:46:52,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 21:46:52,622 INFO L85 PathProgramCache]: Analyzing trace with hash 1961302782, now seen corresponding path program 1 times [2022-01-28 21:46:52,629 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 21:46:52,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239277631] [2022-01-28 21:46:52,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 21:46:52,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 21:46:52,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 21:46:52,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 21:46:52,903 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 21:46:52,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239277631] [2022-01-28 21:46:52,904 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239277631] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 21:46:52,904 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 21:46:52,904 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-01-28 21:46:52,905 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919377609] [2022-01-28 21:46:52,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 21:46:52,908 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-01-28 21:46:52,909 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 21:46:52,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-01-28 21:46:52,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-01-28 21:46:52,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 21:46:52,929 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 21:46:52,929 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1.6666666666666667) internal successors, (15), 8 states have internal predecessors, (15), 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) [2022-01-28 21:46:52,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 21:46:53,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-28 21:46:53,056 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-28 21:46:53,056 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 21:46:53,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 21:46:53,057 INFO L85 PathProgramCache]: Analyzing trace with hash 881666140, now seen corresponding path program 1 times [2022-01-28 21:46:53,057 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 21:46:53,057 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603526210] [2022-01-28 21:46:53,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 21:46:53,057 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 21:46:53,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 21:46:53,098 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 21:46:53,099 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 21:46:53,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603526210] [2022-01-28 21:46:53,099 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603526210] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 21:46:53,099 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [918416040] [2022-01-28 21:46:53,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 21:46:53,099 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 21:46:53,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 21:46:53,112 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) [2022-01-28 21:46:53,131 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-01-28 21:46:53,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 21:46:53,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjunts are in the unsatisfiable core [2022-01-28 21:46:53,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 21:46:53,253 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 21:46:53,254 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-28 21:46:53,305 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 21:46:53,305 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [918416040] provided 1 perfect and 1 imperfect interpolant sequences [2022-01-28 21:46:53,305 INFO L186 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-01-28 21:46:53,305 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 6 [2022-01-28 21:46:53,306 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672713157] [2022-01-28 21:46:53,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 21:46:53,306 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-28 21:46:53,307 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 21:46:53,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-28 21:46:53,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-01-28 21:46:53,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 21:46:53,307 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 21:46:53,307 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 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) [2022-01-28 21:46:53,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-01-28 21:46:53,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 21:46:53,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-28 21:46:53,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-01-28 21:46:53,353 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-01-28 21:46:53,551 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-01-28 21:46:53,552 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 21:46:53,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 21:46:53,552 INFO L85 PathProgramCache]: Analyzing trace with hash -1601740486, now seen corresponding path program 1 times [2022-01-28 21:46:53,552 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 21:46:53,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659163635] [2022-01-28 21:46:53,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 21:46:53,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 21:46:53,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 21:46:53,707 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 21:46:53,707 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 21:46:53,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659163635] [2022-01-28 21:46:53,707 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659163635] provided 0 perfect and 1 imperfect interpolant sequences [2022-01-28 21:46:53,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [420422520] [2022-01-28 21:46:53,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 21:46:53,708 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 21:46:53,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 21:46:53,709 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) [2022-01-28 21:46:53,710 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-01-28 21:46:53,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 21:46:53,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 14 conjunts are in the unsatisfiable core [2022-01-28 21:46:53,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-01-28 21:46:54,012 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 21:46:54,012 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-01-28 21:46:54,368 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 21:46:54,368 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [420422520] provided 0 perfect and 2 imperfect interpolant sequences [2022-01-28 21:46:54,369 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-01-28 21:46:54,369 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 26 [2022-01-28 21:46:54,369 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605666395] [2022-01-28 21:46:54,369 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-01-28 21:46:54,369 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-01-28 21:46:54,369 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 21:46:54,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-01-28 21:46:54,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=595, Unknown=0, NotChecked=0, Total=702 [2022-01-28 21:46:54,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 21:46:54,371 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 21:46:54,371 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 1.4814814814814814) internal successors, (40), 26 states have internal predecessors, (40), 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) [2022-01-28 21:46:54,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-01-28 21:46:54,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-01-28 21:46:54,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 21:46:55,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-01-28 21:46:55,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-01-28 21:46:55,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2022-01-28 21:46:55,458 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-01-28 21:46:55,655 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-01-28 21:46:55,655 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2022-01-28 21:46:55,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 21:46:55,656 INFO L85 PathProgramCache]: Analyzing trace with hash 841954140, now seen corresponding path program 1 times [2022-01-28 21:46:55,656 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 21:46:55,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996788642] [2022-01-28 21:46:55,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 21:46:55,656 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 21:46:55,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 21:46:55,686 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 21:46:55,686 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 21:46:55,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996788642] [2022-01-28 21:46:55,687 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996788642] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 21:46:55,687 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 21:46:55,687 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-01-28 21:46:55,687 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706278125] [2022-01-28 21:46:55,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 21:46:55,687 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-01-28 21:46:55,687 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 21:46:55,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-01-28 21:46:55,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-01-28 21:46:55,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 21:46:55,688 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 21:46:55,688 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 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) [2022-01-28 21:46:55,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-01-28 21:46:55,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-01-28 21:46:55,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2022-01-28 21:46:55,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 21:46:55,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-01-28 21:46:55,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-28 21:46:55,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-01-28 21:46:55,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-01-28 21:46:55,771 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (2 of 3 remaining) [2022-01-28 21:46:55,771 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2022-01-28 21:46:55,771 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2022-01-28 21:46:55,771 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-28 21:46:55,776 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-01-28 21:46:55,777 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-28 21:46:55,777 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-28 21:46:55,779 INFO L202 PluginConnector]: Adding new model easy11.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.01 09:46:55 BasicIcfg [2022-01-28 21:46:55,779 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-28 21:46:55,780 INFO L158 Benchmark]: Toolchain (without parser) took 3563.07ms. Allocated memory was 190.8MB in the beginning and 237.0MB in the end (delta: 46.1MB). Free memory was 154.8MB in the beginning and 165.5MB in the end (delta: -10.7MB). Peak memory consumption was 37.0MB. Max. memory is 8.0GB. [2022-01-28 21:46:55,780 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 190.8MB. Free memory was 155.9MB in the beginning and 155.8MB in the end (delta: 143.3kB). There was no memory consumed. Max. memory is 8.0GB. [2022-01-28 21:46:55,780 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.67ms. Allocated memory is still 190.8MB. Free memory was 154.7MB in the beginning and 153.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-28 21:46:55,780 INFO L158 Benchmark]: Boogie Preprocessor took 9.97ms. Allocated memory is still 190.8MB. Free memory was 153.2MB in the beginning and 152.3MB in the end (delta: 942.7kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-28 21:46:55,781 INFO L158 Benchmark]: RCFGBuilder took 145.28ms. Allocated memory is still 190.8MB. Free memory was 152.3MB in the beginning and 143.6MB in the end (delta: 8.6MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-01-28 21:46:55,781 INFO L158 Benchmark]: TraceAbstraction took 3385.58ms. Allocated memory was 190.8MB in the beginning and 237.0MB in the end (delta: 46.1MB). Free memory was 143.2MB in the beginning and 165.5MB in the end (delta: -22.3MB). Peak memory consumption was 24.4MB. Max. memory is 8.0GB. [2022-01-28 21:46:55,782 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 0.11ms. Allocated memory is still 190.8MB. Free memory was 155.9MB in the beginning and 155.8MB in the end (delta: 143.3kB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 18.67ms. Allocated memory is still 190.8MB. Free memory was 154.7MB in the beginning and 153.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 9.97ms. Allocated memory is still 190.8MB. Free memory was 153.2MB in the beginning and 152.3MB in the end (delta: 942.7kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 145.28ms. Allocated memory is still 190.8MB. Free memory was 152.3MB in the beginning and 143.6MB in the end (delta: 8.6MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * TraceAbstraction took 3385.58ms. Allocated memory was 190.8MB in the beginning and 237.0MB in the end (delta: 46.1MB). Free memory was 143.2MB in the beginning and 165.5MB in the end (delta: -22.3MB). Peak memory consumption was 24.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 254, positive: 212, positive conditional: 212, positive unconditional: 0, negative: 42, negative conditional: 42, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 212, positive: 212, positive conditional: 212, 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: 212, positive: 212, positive conditional: 212, 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: 212, positive: 212, positive conditional: 187, positive unconditional: 25, 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: 212, positive: 212, positive conditional: 159, positive unconditional: 53, 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: 212, positive: 212, positive conditional: 159, positive unconditional: 53, 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: 118, positive: 118, positive conditional: 93, positive unconditional: 25, 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: 118, positive: 114, positive conditional: 0, positive unconditional: 114, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 18, positive: 18, positive conditional: 18, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 212, positive: 94, positive conditional: 66, positive unconditional: 28, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 118, unknown conditional: 93, unknown unconditional: 25] , Statistics on independence cache: Total cache size (in pairs): 118, Positive cache size: 118, Positive conditional cache size: 93, Positive unconditional cache size: 25, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 28, Maximal queried relation: 0, Independence queries for same thread: 42 - 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: 43]: 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, 36 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 3.3s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 1.3s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 61, 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, 1.2s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 132 ConstructedInterpolants, 0 QuantifiedInterpolants, 794 SizeOfPredicates, 12 NumberOfNonLiveVariables, 71 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 8 InterpolantComputations, 3 PerfectInterpolantSequences, 2/10 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! [2022-01-28 21:46:55,808 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 [2022-01-28 21:46:56,012 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...