/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-Random7777.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/barrier-loop.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-87fd7473a0bda1db0ad7f77f2116346063730f21-87fd747 [2021-08-22 09:19:44,189 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-22 09:19:44,191 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-22 09:19:44,222 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-22 09:19:44,222 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-22 09:19:44,224 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-22 09:19:44,226 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-22 09:19:44,230 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-22 09:19:44,232 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-22 09:19:44,235 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-22 09:19:44,235 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-22 09:19:44,236 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-22 09:19:44,236 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-22 09:19:44,238 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-22 09:19:44,239 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-22 09:19:44,243 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-22 09:19:44,244 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-22 09:19:44,245 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-22 09:19:44,246 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-22 09:19:44,250 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-22 09:19:44,251 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-22 09:19:44,252 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-22 09:19:44,253 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-22 09:19:44,254 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-22 09:19:44,259 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-22 09:19:44,259 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-22 09:19:44,259 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-22 09:19:44,260 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-22 09:19:44,260 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-22 09:19:44,261 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-22 09:19:44,261 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-22 09:19:44,262 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-22 09:19:44,263 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-22 09:19:44,263 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-22 09:19:44,264 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-22 09:19:44,264 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-22 09:19:44,264 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-22 09:19:44,265 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-22 09:19:44,265 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-22 09:19:44,265 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-22 09:19:44,266 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-22 09:19:44,266 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-Random7777.epf [2021-08-22 09:19:44,293 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-22 09:19:44,293 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-22 09:19:44,294 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-22 09:19:44,294 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-22 09:19:44,296 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-22 09:19:44,296 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-22 09:19:44,296 INFO L138 SettingsManager]: * Use SBE=true [2021-08-22 09:19:44,297 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-22 09:19:44,297 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-22 09:19:44,297 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-22 09:19:44,297 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-22 09:19:44,298 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-22 09:19:44,298 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-22 09:19:44,298 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-22 09:19:44,298 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-22 09:19:44,298 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-22 09:19:44,298 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-22 09:19:44,298 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-22 09:19:44,298 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-22 09:19:44,298 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-22 09:19:44,298 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-22 09:19:44,298 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-22 09:19:44,298 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-22 09:19:44,299 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-22 09:19:44,299 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-22 09:19:44,299 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-22 09:19:44,299 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-22 09:19:44,299 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-22 09:19:44,299 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-08-22 09:19:44,299 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-22 09:19:44,299 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-22 09:19:44,299 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-22 09:19:44,299 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-22 09:19:44,300 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-08-22 09:19:44,300 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-22 09:19:44,300 INFO L138 SettingsManager]: * Random seed used by POR DFS order=7777 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-22 09:19:44,614 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-22 09:19:44,642 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-22 09:19:44,644 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-22 09:19:44,645 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-08-22 09:19:44,647 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-08-22 09:19:44,655 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/barrier-loop.wvr.bpl [2021-08-22 09:19:44,655 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/parallel/barrier-loop.wvr.bpl' [2021-08-22 09:19:44,685 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-22 09:19:44,686 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-08-22 09:19:44,687 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-22 09:19:44,688 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-22 09:19:44,688 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-22 09:19:44,696 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 09:19:44" (1/1) ... [2021-08-22 09:19:44,701 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 09:19:44" (1/1) ... [2021-08-22 09:19:44,718 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-22 09:19:44,722 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-22 09:19:44,722 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-22 09:19:44,722 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-22 09:19:44,727 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 09:19:44" (1/1) ... [2021-08-22 09:19:44,727 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 09:19:44" (1/1) ... [2021-08-22 09:19:44,728 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 09:19:44" (1/1) ... [2021-08-22 09:19:44,728 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 09:19:44" (1/1) ... [2021-08-22 09:19:44,730 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 09:19:44" (1/1) ... [2021-08-22 09:19:44,732 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 09:19:44" (1/1) ... [2021-08-22 09:19:44,733 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 09:19:44" (1/1) ... [2021-08-22 09:19:44,734 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-22 09:19:44,735 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-22 09:19:44,735 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-22 09:19:44,735 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-22 09:19:44,749 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 09:19:44" (1/1) ... [2021-08-22 09:19:44,756 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-22 09:19:44,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 09:19:44,771 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) [2021-08-22 09:19:44,790 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 [2021-08-22 09:19:44,807 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-08-22 09:19:44,807 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-08-22 09:19:44,807 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-08-22 09:19:44,807 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-08-22 09:19:44,807 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-08-22 09:19:44,807 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-08-22 09:19:44,807 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-08-22 09:19:44,807 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-22 09:19:44,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-22 09:19:44,808 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-08-22 09:19:44,808 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-08-22 09:19:44,808 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-08-22 09:19:44,808 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-08-22 09:19:44,808 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-08-22 09:19:44,808 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-08-22 09:19:44,808 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread5 given in one single declaration [2021-08-22 09:19:44,808 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2021-08-22 09:19:44,810 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2021-08-22 09:19:44,810 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread6 given in one single declaration [2021-08-22 09:19:44,810 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2021-08-22 09:19:44,810 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2021-08-22 09:19:44,811 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-22 09:19:44,964 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-22 09:19:44,965 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-08-22 09:19:44,966 INFO L202 PluginConnector]: Adding new model barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:19:44 BoogieIcfgContainer [2021-08-22 09:19:44,966 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-22 09:19:44,967 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-22 09:19:44,967 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-22 09:19:44,969 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-22 09:19:44,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.08 09:19:44" (1/2) ... [2021-08-22 09:19:44,970 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1555b8a6 and model type barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 09:19:44, skipping insertion in model container [2021-08-22 09:19:44,970 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 09:19:44" (2/2) ... [2021-08-22 09:19:44,971 INFO L111 eAbstractionObserver]: Analyzing ICFG barrier-loop.wvr.bpl [2021-08-22 09:19:44,973 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-22 09:19:44,974 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-22 09:19:44,974 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-22 09:19:44,974 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-22 09:19:45,051 INFO L148 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2021-08-22 09:19:45,078 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-22 09:19:45,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 09:19:45,079 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) [2021-08-22 09:19:45,080 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 [2021-08-22 09:19:45,098 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-22 09:19:45,102 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, mConcurrency=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 [2021-08-22 09:19:45,102 INFO L340 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2021-08-22 09:19:45,399 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err0INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr8INUSE_VIOLATION (and 7 more)] === [2021-08-22 09:19:45,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 09:19:45,403 INFO L82 PathProgramCache]: Analyzing trace with hash 2012537680, now seen corresponding path program 1 times [2021-08-22 09:19:45,409 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 09:19:45,409 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135088980] [2021-08-22 09:19:45,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 09:19:45,410 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 09:19:45,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 09:19:45,533 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-08-22 09:19:45,533 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 09:19:45,533 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135088980] [2021-08-22 09:19:45,534 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135088980] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 09:19:45,534 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 09:19:45,534 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-22 09:19:45,535 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188675350] [2021-08-22 09:19:45,539 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-22 09:19:45,539 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 09:19:45,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-22 09:19:45,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-22 09:19:45,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 09:19:45,549 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 09:19:45,550 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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) [2021-08-22 09:19:45,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 09:19:45,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 09:19:45,570 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-22 09:19:45,570 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err0INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr8INUSE_VIOLATION (and 7 more)] === [2021-08-22 09:19:45,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 09:19:45,570 INFO L82 PathProgramCache]: Analyzing trace with hash 1432473908, now seen corresponding path program 2 times [2021-08-22 09:19:45,571 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 09:19:45,571 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505520279] [2021-08-22 09:19:45,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 09:19:45,571 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 09:19:45,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 09:19:45,603 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-08-22 09:19:45,603 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 09:19:45,603 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505520279] [2021-08-22 09:19:45,603 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505520279] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 09:19:45,604 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 09:19:45,604 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-22 09:19:45,604 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664527788] [2021-08-22 09:19:45,605 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-22 09:19:45,605 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 09:19:45,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-22 09:19:45,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-22 09:19:45,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 09:19:45,606 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 09:19:45,606 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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) [2021-08-22 09:19:45,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-22 09:19:45,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 09:19:45,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 09:19:45,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-22 09:19:45,622 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-22 09:19:45,622 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [thread1Err0INUSE_VIOLATION, thread1Err7INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr8INUSE_VIOLATION (and 7 more)] === [2021-08-22 09:19:45,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 09:19:45,623 INFO L82 PathProgramCache]: Analyzing trace with hash 1105218421, now seen corresponding path program 3 times [2021-08-22 09:19:45,623 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 09:19:45,623 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069292815] [2021-08-22 09:19:45,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 09:19:45,623 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 09:19:45,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-22 09:19:45,635 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-22 09:19:45,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-22 09:19:45,660 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-22 09:19:45,660 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-08-22 09:19:45,661 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT [2021-08-22 09:19:45,662 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0INUSE_VIOLATION [2021-08-22 09:19:45,662 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7INUSE_VIOLATION [2021-08-22 09:19:45,662 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8INUSE_VIOLATION [2021-08-22 09:19:45,662 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9INUSE_VIOLATION [2021-08-22 09:19:45,662 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread4Err3INUSE_VIOLATION [2021-08-22 09:19:45,663 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread4Err5INUSE_VIOLATION [2021-08-22 09:19:45,663 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Thread1of1ForFork2Err1INUSE_VIOLATION [2021-08-22 09:19:45,663 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread1Thread1of1ForFork2Err2INUSE_VIOLATION [2021-08-22 09:19:45,663 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread4Thread1of1ForFork3Err4INUSE_VIOLATION [2021-08-22 09:19:45,663 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location thread4Thread1of1ForFork3Err6INUSE_VIOLATION [2021-08-22 09:19:45,663 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-22 09:19:45,669 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-22 09:19:45,670 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-22 09:19:45,690 INFO L202 PluginConnector]: Adding new model barrier-loop.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 09:19:45 BasicIcfg [2021-08-22 09:19:45,690 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-22 09:19:45,691 INFO L168 Benchmark]: Toolchain (without parser) took 1004.37 ms. Allocated memory is still 202.4 MB. Free memory was 181.8 MB in the beginning and 118.3 MB in the end (delta: 63.5 MB). Peak memory consumption was 64.1 MB. Max. memory is 8.0 GB. [2021-08-22 09:19:45,691 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 202.4 MB. Free memory is still 183.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-22 09:19:45,692 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.03 ms. Allocated memory is still 202.4 MB. Free memory was 181.7 MB in the beginning and 180.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-22 09:19:45,692 INFO L168 Benchmark]: Boogie Preprocessor took 12.00 ms. Allocated memory is still 202.4 MB. Free memory was 180.2 MB in the beginning and 179.2 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-22 09:19:45,692 INFO L168 Benchmark]: RCFGBuilder took 231.55 ms. Allocated memory is still 202.4 MB. Free memory was 179.1 MB in the beginning and 163.2 MB in the end (delta: 15.8 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. [2021-08-22 09:19:45,693 INFO L168 Benchmark]: TraceAbstraction took 722.75 ms. Allocated memory is still 202.4 MB. Free memory was 162.8 MB in the beginning and 118.3 MB in the end (delta: 44.5 MB). Peak memory consumption was 45.3 MB. Max. memory is 8.0 GB. [2021-08-22 09:19:45,694 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 0.11 ms. Allocated memory is still 202.4 MB. Free memory is still 183.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 31.03 ms. Allocated memory is still 202.4 MB. Free memory was 181.7 MB in the beginning and 180.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 12.00 ms. Allocated memory is still 202.4 MB. Free memory was 180.2 MB in the beginning and 179.2 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 231.55 ms. Allocated memory is still 202.4 MB. Free memory was 179.1 MB in the beginning and 163.2 MB in the end (delta: 15.8 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 722.75 ms. Allocated memory is still 202.4 MB. Free memory was 162.8 MB in the beginning and 118.3 MB in the end (delta: 44.5 MB). Peak memory consumption was 45.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 6100, positive: 5284, positive conditional: 5284, positive unconditional: 0, negative: 816, negative conditional: 816, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5481, positive: 5284, positive conditional: 5284, positive unconditional: 0, negative: 197, negative conditional: 197, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5481, positive: 5284, positive conditional: 5284, positive unconditional: 0, negative: 197, negative conditional: 197, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5500, positive: 5284, positive conditional: 251, positive unconditional: 5033, negative: 216, negative conditional: 19, negative unconditional: 197, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5500, positive: 5284, positive conditional: 36, positive unconditional: 5248, negative: 216, negative conditional: 3, negative unconditional: 213, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5500, positive: 5284, positive conditional: 36, positive unconditional: 5248, negative: 216, negative conditional: 3, negative unconditional: 213, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 388, positive: 369, positive conditional: 1, positive unconditional: 368, negative: 19, negative conditional: 2, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 388, positive: 360, positive conditional: 0, positive unconditional: 360, negative: 28, negative conditional: 0, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 28, positive: 9, positive conditional: 1, positive unconditional: 8, negative: 19, negative conditional: 2, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 60, positive: 9, positive conditional: 1, positive unconditional: 8, negative: 51, negative conditional: 2, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5500, positive: 4915, positive conditional: 35, positive unconditional: 4880, negative: 197, negative conditional: 1, negative unconditional: 196, unknown: 388, unknown conditional: 3, unknown unconditional: 385] , Statistics on independence cache: Total cache size (in pairs): 388, Positive cache size: 369, Positive conditional cache size: 1, Positive unconditional cache size: 368, Negative cache size: 19, Negative conditional cache size: 2, Negative unconditional cache size: 17, Eliminated conditions: 231, Maximal queried relation: 2, Independence queries for same thread: 619 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 121]: assertion can be violated assertion can be violated We found a FailurePath: [L115] 0 assume x_0 == x_8 && y_1 == y_9; VAL [x_0=-1, x_8=-1, y_1=-1, y_9=-1] [L116] FORK 0 fork 1 thread1(); VAL [x_0=-1, x_8=-1, y_1=-1, y_9=-1] [L60] 1 f1_2 := false; [L61] 1 f2_3 := false; VAL [f1_2=false, f2_3=false, x_0=-1, x_8=-1, y_1=-1, y_9=-1] [L117] FORK 0 fork 4, 4, 4, 4 thread4(); VAL [f1_2=false, f2_3=false, x_0=-1, x_8=-1, y_1=-1, y_9=-1] [L103] 2 f1_10 := false; [L104] 2 f2_11 := false; VAL [f1_10=false, f1_2=false, f2_11=false, f2_3=false, x_0=-1, x_8=-1, y_1=-1, y_9=-1] [L106] FORK 2 fork 5, 5, 5, 5, 5 thread5(); VAL [f1_10=false, f1_2=false, f2_11=false, f2_3=false, x_0=-1, x_8=-1, y_1=-1, y_9=-1] [L107] FORK 2 fork 6, 6, 6, 6, 6, 6 thread6(); VAL [f1_10=false, f1_2=false, f2_11=false, f2_3=false, x_0=-1, x_8=-1, y_1=-1, y_9=-1] [L108] JOIN 3 join 5, 5, 5, 5, 5; VAL [f1_10=false, f1_2=false, f2_11=false, f2_3=false, x_0=-1, x_8=-1, y_1=-1, y_9=-1] [L109] JOIN 4 join 6, 6, 6, 6, 6, 6; VAL [f1_10=false, f1_2=false, f2_11=false, f2_3=false, x_0=-1, x_8=-1, y_1=-1, y_9=-1] [L63] FORK 1 fork 2, 2 thread2(); VAL [f1_10=false, f1_2=false, f2_11=false, f2_3=false, x_0=-1, x_8=-1, y_1=-1, y_9=-1] [L64] FORK 1 fork 3, 3, 3 thread3(); VAL [f1_10=false, f1_2=false, f2_11=false, f2_3=false, x_0=-1, x_8=-1, y_1=-1, y_9=-1] [L30] 5 temp_4 := x_0; VAL [f1_10=false, f1_2=false, f2_11=false, f2_3=false, temp_4=-1, x_0=-1, x_8=-1, y_1=-1, y_9=-1] [L45] 6 temp_6 := y_1; VAL [f1_10=false, f1_2=false, f2_11=false, f2_3=false, temp_4=-1, temp_6=-1, x_0=-1, x_8=-1, y_1=-1, y_9=-1] [L46] 6 y_1 := temp_6 + 1; VAL [f1_10=false, f1_2=false, f2_11=false, f2_3=false, temp_4=-1, temp_6=-1, x_0=-1, x_8=-1, y_1=0, y_9=-1] [L47] 6 f2_3 := true; VAL [f1_10=false, f1_2=false, f2_11=false, f2_3=true, temp_4=-1, temp_6=-1, x_0=-1, x_8=-1, y_1=0, y_9=-1] [L31] 5 x_0 := temp_4 + 1; VAL [f1_10=false, f1_2=false, f2_11=false, f2_3=true, temp_4=-1, temp_6=-1, x_0=0, x_8=-1, y_1=0, y_9=-1] [L32] 5 f1_2 := true; VAL [f1_10=false, f1_2=true, f2_11=false, f2_3=true, temp_4=-1, temp_6=-1, x_0=0, x_8=-1, y_1=0, y_9=-1] [L48] 6 assume f1_2; VAL [f1_10=false, f1_2=true, f2_11=false, f2_3=true, temp_4=-1, temp_6=-1, x_0=0, x_8=-1, y_1=0, y_9=-1] [L33] 5 assume f2_3; VAL [f1_10=false, f1_2=true, f2_11=false, f2_3=true, temp_4=-1, temp_6=-1, x_0=0, x_8=-1, y_1=0, y_9=-1] [L34] 5 temp_5 := y_1; VAL [f1_10=false, f1_2=true, f2_11=false, f2_3=true, temp_4=-1, temp_5=0, temp_6=-1, x_0=0, x_8=-1, y_1=0, y_9=-1] [L35] 5 y_1 := temp_5 + 1; VAL [f1_10=false, f1_2=true, f2_11=false, f2_3=true, temp_4=-1, temp_5=0, temp_6=-1, x_0=0, x_8=-1, y_1=1, y_9=-1] [L36] 5 f1_2 := false; VAL [f1_10=false, f1_2=false, f2_11=false, f2_3=true, temp_4=-1, temp_5=0, temp_6=-1, x_0=0, x_8=-1, y_1=1, y_9=-1] [L49] 6 temp_7 := x_0; VAL [f1_10=false, f1_2=false, f2_11=false, f2_3=true, temp_4=-1, temp_5=0, temp_6=-1, temp_7=0, x_0=0, x_8=-1, y_1=1, y_9=-1] [L50] 6 x_0 := temp_7 + 1; VAL [f1_10=false, f1_2=false, f2_11=false, f2_3=true, temp_4=-1, temp_5=0, temp_6=-1, temp_7=0, x_0=1, x_8=-1, y_1=1, y_9=-1] [L51] 6 f2_3 := false; VAL [f1_10=false, f1_2=false, f2_11=false, f2_3=false, temp_4=-1, temp_5=0, temp_6=-1, temp_7=0, x_0=1, x_8=-1, y_1=1, y_9=-1] [L52] 6 assume !f1_2; VAL [f1_10=false, f1_2=false, f2_11=false, f2_3=false, temp_4=-1, temp_5=0, temp_6=-1, temp_7=0, x_0=1, x_8=-1, y_1=1, y_9=-1] [L37] 5 assume !f2_3; VAL [f1_10=false, f1_2=false, f2_11=false, f2_3=false, temp_4=-1, temp_5=0, temp_6=-1, temp_7=0, x_0=1, x_8=-1, y_1=1, y_9=-1] [L65] JOIN 5 join 2, 2; VAL [f1_10=false, f1_2=false, f2_11=false, f2_3=false, temp_4=-1, temp_5=0, temp_6=-1, temp_7=0, x_0=1, x_8=-1, y_1=1, y_9=-1] [L66] JOIN 6 join 3, 3, 3; VAL [f1_10=false, f1_2=false, f2_11=false, f2_3=false, temp_4=-1, temp_5=0, temp_6=-1, temp_7=0, x_0=1, x_8=-1, y_1=1, y_9=-1] [L118] JOIN 1 join 1; VAL [f1_10=false, f1_2=false, f2_11=false, f2_3=false, temp_4=-1, temp_5=0, temp_6=-1, temp_7=0, x_0=1, x_8=-1, y_1=1, y_9=-1] [L119] JOIN 2 join 4, 4, 4, 4; VAL [f1_10=false, f1_2=false, f2_11=false, f2_3=false, temp_4=-1, temp_5=0, temp_6=-1, temp_7=0, x_0=1, x_8=-1, y_1=1, y_9=-1] [L120] 0 assume !(x_0 == x_8 && y_1 == y_9); VAL [f1_10=false, f1_2=false, f2_11=false, f2_3=false, temp_4=-1, temp_5=0, temp_6=-1, temp_7=0, x_0=1, x_8=-1, y_1=1, y_9=-1] [L121] 0 assert false; VAL [f1_10=false, f1_2=false, f2_11=false, f2_3=false, temp_4=-1, temp_5=0, temp_6=-1, temp_7=0, x_0=1, x_8=-1, y_1=1, y_9=-1] - UnprovableResult [Line: 63]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 116]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 106]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 102]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 59]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 63]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 102]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 106]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 13 procedures, 120 locations, 11 error locations. Started 1 CEGAR loops. OverallTime: 591.6ms, OverallIterations: 3, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 15.2ms, PartialOrderReductionTime: 315.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 7.1ms SsaConstructionTime, 34.9ms SatisfiabilityAnalysisTime, 84.1ms InterpolantComputationTime, 149 NumberOfCodeBlocks, 149 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 108 ConstructedInterpolants, 0 QuantifiedInterpolants, 123 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 48/48 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-08-22 09:19:45,723 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 [2021-08-22 09:19:45,930 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...